Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2008-2010 Intel Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 21 | * IN THE SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Eric Anholt <eric@anholt.net> |
| 25 | * Zou Nan hai <nanhai.zou@intel.com> |
| 26 | * Xiang Hai hao<haihao.xiang@intel.com> |
| 27 | * |
| 28 | */ |
| 29 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 30 | #include <drm/drmP.h> |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 31 | #include "i915_drv.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 32 | #include <drm/i915_drm.h> |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 33 | #include "i915_trace.h" |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 34 | #include "intel_drv.h" |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 35 | |
Oscar Mateo | 48d8238 | 2014-07-24 17:04:23 +0100 | [diff] [blame] | 36 | bool |
| 37 | intel_ring_initialized(struct intel_engine_cs *ring) |
| 38 | { |
| 39 | struct drm_device *dev = ring->dev; |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 40 | |
Oscar Mateo | 48d8238 | 2014-07-24 17:04:23 +0100 | [diff] [blame] | 41 | if (!dev) |
| 42 | return false; |
| 43 | |
| 44 | if (i915.enable_execlists) { |
| 45 | struct intel_context *dctx = ring->default_context; |
| 46 | struct intel_ringbuffer *ringbuf = dctx->engine[ring->id].ringbuf; |
| 47 | |
| 48 | return ringbuf->obj; |
| 49 | } else |
| 50 | return ring->buffer && ring->buffer->obj; |
| 51 | } |
| 52 | |
Oscar Mateo | 82e104c | 2014-07-24 17:04:26 +0100 | [diff] [blame] | 53 | int __intel_ring_space(int head, int tail, int size) |
Chris Wilson | 1cf0ba1 | 2014-05-05 09:07:33 +0100 | [diff] [blame] | 54 | { |
Dave Gordon | 4f54741 | 2014-11-27 11:22:48 +0000 | [diff] [blame] | 55 | int space = head - tail; |
| 56 | if (space <= 0) |
Chris Wilson | 1cf0ba1 | 2014-05-05 09:07:33 +0100 | [diff] [blame] | 57 | space += size; |
Dave Gordon | 4f54741 | 2014-11-27 11:22:48 +0000 | [diff] [blame] | 58 | return space - I915_RING_FREE_SPACE; |
Chris Wilson | 1cf0ba1 | 2014-05-05 09:07:33 +0100 | [diff] [blame] | 59 | } |
| 60 | |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 61 | void intel_ring_update_space(struct intel_ringbuffer *ringbuf) |
| 62 | { |
| 63 | if (ringbuf->last_retired_head != -1) { |
| 64 | ringbuf->head = ringbuf->last_retired_head; |
| 65 | ringbuf->last_retired_head = -1; |
| 66 | } |
| 67 | |
| 68 | ringbuf->space = __intel_ring_space(ringbuf->head & HEAD_ADDR, |
| 69 | ringbuf->tail, ringbuf->size); |
| 70 | } |
| 71 | |
Oscar Mateo | 82e104c | 2014-07-24 17:04:26 +0100 | [diff] [blame] | 72 | int intel_ring_space(struct intel_ringbuffer *ringbuf) |
Chris Wilson | c7dca47 | 2011-01-20 17:00:10 +0000 | [diff] [blame] | 73 | { |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 74 | intel_ring_update_space(ringbuf); |
| 75 | return ringbuf->space; |
Chris Wilson | c7dca47 | 2011-01-20 17:00:10 +0000 | [diff] [blame] | 76 | } |
| 77 | |
Oscar Mateo | 82e104c | 2014-07-24 17:04:26 +0100 | [diff] [blame] | 78 | bool intel_ring_stopped(struct intel_engine_cs *ring) |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 79 | { |
| 80 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Mika Kuoppala | 88b4aa8 | 2014-03-28 18:18:18 +0200 | [diff] [blame] | 81 | return dev_priv->gpu_error.stop_rings & intel_ring_flag(ring); |
| 82 | } |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 83 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 84 | void __intel_ring_advance(struct intel_engine_cs *ring) |
Mika Kuoppala | 88b4aa8 | 2014-03-28 18:18:18 +0200 | [diff] [blame] | 85 | { |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 86 | struct intel_ringbuffer *ringbuf = ring->buffer; |
| 87 | ringbuf->tail &= ringbuf->size - 1; |
Mika Kuoppala | 88b4aa8 | 2014-03-28 18:18:18 +0200 | [diff] [blame] | 88 | if (intel_ring_stopped(ring)) |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 89 | return; |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 90 | ring->write_tail(ring, ringbuf->tail); |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 91 | } |
| 92 | |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 93 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 94 | gen2_render_ring_flush(struct intel_engine_cs *ring, |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 95 | u32 invalidate_domains, |
| 96 | u32 flush_domains) |
| 97 | { |
| 98 | u32 cmd; |
| 99 | int ret; |
| 100 | |
| 101 | cmd = MI_FLUSH; |
Daniel Vetter | 31b14c9 | 2012-04-19 16:45:22 +0200 | [diff] [blame] | 102 | if (((invalidate_domains|flush_domains) & I915_GEM_DOMAIN_RENDER) == 0) |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 103 | cmd |= MI_NO_WRITE_FLUSH; |
| 104 | |
| 105 | if (invalidate_domains & I915_GEM_DOMAIN_SAMPLER) |
| 106 | cmd |= MI_READ_FLUSH; |
| 107 | |
| 108 | ret = intel_ring_begin(ring, 2); |
| 109 | if (ret) |
| 110 | return ret; |
| 111 | |
| 112 | intel_ring_emit(ring, cmd); |
| 113 | intel_ring_emit(ring, MI_NOOP); |
| 114 | intel_ring_advance(ring); |
| 115 | |
| 116 | return 0; |
| 117 | } |
| 118 | |
| 119 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 120 | gen4_render_ring_flush(struct intel_engine_cs *ring, |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 121 | u32 invalidate_domains, |
| 122 | u32 flush_domains) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 123 | { |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 124 | struct drm_device *dev = ring->dev; |
Chris Wilson | 6f392d548 | 2010-08-07 11:01:22 +0100 | [diff] [blame] | 125 | u32 cmd; |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 126 | int ret; |
Chris Wilson | 6f392d548 | 2010-08-07 11:01:22 +0100 | [diff] [blame] | 127 | |
Chris Wilson | 36d527d | 2011-03-19 22:26:49 +0000 | [diff] [blame] | 128 | /* |
| 129 | * read/write caches: |
| 130 | * |
| 131 | * I915_GEM_DOMAIN_RENDER is always invalidated, but is |
| 132 | * only flushed if MI_NO_WRITE_FLUSH is unset. On 965, it is |
| 133 | * also flushed at 2d versus 3d pipeline switches. |
| 134 | * |
| 135 | * read-only caches: |
| 136 | * |
| 137 | * I915_GEM_DOMAIN_SAMPLER is flushed on pre-965 if |
| 138 | * MI_READ_FLUSH is set, and is always flushed on 965. |
| 139 | * |
| 140 | * I915_GEM_DOMAIN_COMMAND may not exist? |
| 141 | * |
| 142 | * I915_GEM_DOMAIN_INSTRUCTION, which exists on 965, is |
| 143 | * invalidated when MI_EXE_FLUSH is set. |
| 144 | * |
| 145 | * I915_GEM_DOMAIN_VERTEX, which exists on 965, is |
| 146 | * invalidated with every MI_FLUSH. |
| 147 | * |
| 148 | * TLBs: |
| 149 | * |
| 150 | * On 965, TLBs associated with I915_GEM_DOMAIN_COMMAND |
| 151 | * and I915_GEM_DOMAIN_CPU in are invalidated at PTE write and |
| 152 | * I915_GEM_DOMAIN_RENDER and I915_GEM_DOMAIN_SAMPLER |
| 153 | * are flushed at any MI_FLUSH. |
| 154 | */ |
| 155 | |
| 156 | cmd = MI_FLUSH | MI_NO_WRITE_FLUSH; |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 157 | if ((invalidate_domains|flush_domains) & I915_GEM_DOMAIN_RENDER) |
Chris Wilson | 36d527d | 2011-03-19 22:26:49 +0000 | [diff] [blame] | 158 | cmd &= ~MI_NO_WRITE_FLUSH; |
Chris Wilson | 36d527d | 2011-03-19 22:26:49 +0000 | [diff] [blame] | 159 | if (invalidate_domains & I915_GEM_DOMAIN_INSTRUCTION) |
| 160 | cmd |= MI_EXE_FLUSH; |
| 161 | |
| 162 | if (invalidate_domains & I915_GEM_DOMAIN_COMMAND && |
| 163 | (IS_G4X(dev) || IS_GEN5(dev))) |
| 164 | cmd |= MI_INVALIDATE_ISP; |
| 165 | |
| 166 | ret = intel_ring_begin(ring, 2); |
| 167 | if (ret) |
| 168 | return ret; |
| 169 | |
| 170 | intel_ring_emit(ring, cmd); |
| 171 | intel_ring_emit(ring, MI_NOOP); |
| 172 | intel_ring_advance(ring); |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 173 | |
| 174 | return 0; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 175 | } |
| 176 | |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 177 | /** |
| 178 | * Emits a PIPE_CONTROL with a non-zero post-sync operation, for |
| 179 | * implementing two workarounds on gen6. From section 1.4.7.1 |
| 180 | * "PIPE_CONTROL" of the Sandy Bridge PRM volume 2 part 1: |
| 181 | * |
| 182 | * [DevSNB-C+{W/A}] Before any depth stall flush (including those |
| 183 | * produced by non-pipelined state commands), software needs to first |
| 184 | * send a PIPE_CONTROL with no bits set except Post-Sync Operation != |
| 185 | * 0. |
| 186 | * |
| 187 | * [Dev-SNB{W/A}]: Before a PIPE_CONTROL with Write Cache Flush Enable |
| 188 | * =1, a PIPE_CONTROL with any non-zero post-sync-op is required. |
| 189 | * |
| 190 | * And the workaround for these two requires this workaround first: |
| 191 | * |
| 192 | * [Dev-SNB{W/A}]: Pipe-control with CS-stall bit set must be sent |
| 193 | * BEFORE the pipe-control with a post-sync op and no write-cache |
| 194 | * flushes. |
| 195 | * |
| 196 | * And this last workaround is tricky because of the requirements on |
| 197 | * that bit. From section 1.4.7.2.3 "Stall" of the Sandy Bridge PRM |
| 198 | * volume 2 part 1: |
| 199 | * |
| 200 | * "1 of the following must also be set: |
| 201 | * - Render Target Cache Flush Enable ([12] of DW1) |
| 202 | * - Depth Cache Flush Enable ([0] of DW1) |
| 203 | * - Stall at Pixel Scoreboard ([1] of DW1) |
| 204 | * - Depth Stall ([13] of DW1) |
| 205 | * - Post-Sync Operation ([13] of DW1) |
| 206 | * - Notify Enable ([8] of DW1)" |
| 207 | * |
| 208 | * The cache flushes require the workaround flush that triggered this |
| 209 | * one, so we can't use it. Depth stall would trigger the same. |
| 210 | * Post-sync nonzero is what triggered this second workaround, so we |
| 211 | * can't use that one either. Notify enable is IRQs, which aren't |
| 212 | * really our business. That leaves only stall at scoreboard. |
| 213 | */ |
| 214 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 215 | intel_emit_post_sync_nonzero_flush(struct intel_engine_cs *ring) |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 216 | { |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 217 | u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES; |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 218 | int ret; |
| 219 | |
| 220 | |
| 221 | ret = intel_ring_begin(ring, 6); |
| 222 | if (ret) |
| 223 | return ret; |
| 224 | |
| 225 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5)); |
| 226 | intel_ring_emit(ring, PIPE_CONTROL_CS_STALL | |
| 227 | PIPE_CONTROL_STALL_AT_SCOREBOARD); |
| 228 | intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */ |
| 229 | intel_ring_emit(ring, 0); /* low dword */ |
| 230 | intel_ring_emit(ring, 0); /* high dword */ |
| 231 | intel_ring_emit(ring, MI_NOOP); |
| 232 | intel_ring_advance(ring); |
| 233 | |
| 234 | ret = intel_ring_begin(ring, 6); |
| 235 | if (ret) |
| 236 | return ret; |
| 237 | |
| 238 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(5)); |
| 239 | intel_ring_emit(ring, PIPE_CONTROL_QW_WRITE); |
| 240 | intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); /* address */ |
| 241 | intel_ring_emit(ring, 0); |
| 242 | intel_ring_emit(ring, 0); |
| 243 | intel_ring_emit(ring, MI_NOOP); |
| 244 | intel_ring_advance(ring); |
| 245 | |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 250 | gen6_render_ring_flush(struct intel_engine_cs *ring, |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 251 | u32 invalidate_domains, u32 flush_domains) |
| 252 | { |
| 253 | u32 flags = 0; |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 254 | u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES; |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 255 | int ret; |
| 256 | |
Paulo Zanoni | b311150 | 2012-08-17 18:35:42 -0300 | [diff] [blame] | 257 | /* Force SNB workarounds for PIPE_CONTROL flushes */ |
| 258 | ret = intel_emit_post_sync_nonzero_flush(ring); |
| 259 | if (ret) |
| 260 | return ret; |
| 261 | |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 262 | /* Just flush everything. Experiments have shown that reducing the |
| 263 | * number of bits based on the write domains has little performance |
| 264 | * impact. |
| 265 | */ |
Chris Wilson | 7d54a90 | 2012-08-10 10:18:10 +0100 | [diff] [blame] | 266 | if (flush_domains) { |
| 267 | flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; |
| 268 | flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; |
| 269 | /* |
| 270 | * Ensure that any following seqno writes only happen |
| 271 | * when the render cache is indeed flushed. |
| 272 | */ |
Daniel Vetter | 97f209b | 2012-06-28 09:48:42 +0200 | [diff] [blame] | 273 | flags |= PIPE_CONTROL_CS_STALL; |
Chris Wilson | 7d54a90 | 2012-08-10 10:18:10 +0100 | [diff] [blame] | 274 | } |
| 275 | if (invalidate_domains) { |
| 276 | flags |= PIPE_CONTROL_TLB_INVALIDATE; |
| 277 | flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; |
| 278 | flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; |
| 279 | flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; |
| 280 | flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; |
| 281 | flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; |
| 282 | /* |
| 283 | * TLB invalidate requires a post-sync write. |
| 284 | */ |
Jesse Barnes | 3ac7831 | 2012-10-25 12:15:47 -0700 | [diff] [blame] | 285 | flags |= PIPE_CONTROL_QW_WRITE | PIPE_CONTROL_CS_STALL; |
Chris Wilson | 7d54a90 | 2012-08-10 10:18:10 +0100 | [diff] [blame] | 286 | } |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 287 | |
Chris Wilson | 6c6cf5a | 2012-07-20 18:02:28 +0100 | [diff] [blame] | 288 | ret = intel_ring_begin(ring, 4); |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 289 | if (ret) |
| 290 | return ret; |
| 291 | |
Chris Wilson | 6c6cf5a | 2012-07-20 18:02:28 +0100 | [diff] [blame] | 292 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4)); |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 293 | intel_ring_emit(ring, flags); |
| 294 | intel_ring_emit(ring, scratch_addr | PIPE_CONTROL_GLOBAL_GTT); |
Chris Wilson | 6c6cf5a | 2012-07-20 18:02:28 +0100 | [diff] [blame] | 295 | intel_ring_emit(ring, 0); |
Jesse Barnes | 8d31528 | 2011-10-16 10:23:31 +0200 | [diff] [blame] | 296 | intel_ring_advance(ring); |
| 297 | |
| 298 | return 0; |
| 299 | } |
| 300 | |
Chris Wilson | 6c6cf5a | 2012-07-20 18:02:28 +0100 | [diff] [blame] | 301 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 302 | gen7_render_ring_cs_stall_wa(struct intel_engine_cs *ring) |
Paulo Zanoni | f398763 | 2012-08-17 18:35:43 -0300 | [diff] [blame] | 303 | { |
| 304 | int ret; |
| 305 | |
| 306 | ret = intel_ring_begin(ring, 4); |
| 307 | if (ret) |
| 308 | return ret; |
| 309 | |
| 310 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4)); |
| 311 | intel_ring_emit(ring, PIPE_CONTROL_CS_STALL | |
| 312 | PIPE_CONTROL_STALL_AT_SCOREBOARD); |
| 313 | intel_ring_emit(ring, 0); |
| 314 | intel_ring_emit(ring, 0); |
| 315 | intel_ring_advance(ring); |
| 316 | |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 321 | gen7_render_ring_flush(struct intel_engine_cs *ring, |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 322 | u32 invalidate_domains, u32 flush_domains) |
| 323 | { |
| 324 | u32 flags = 0; |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 325 | u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES; |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 326 | int ret; |
| 327 | |
Paulo Zanoni | f398763 | 2012-08-17 18:35:43 -0300 | [diff] [blame] | 328 | /* |
| 329 | * Ensure that any following seqno writes only happen when the render |
| 330 | * cache is indeed flushed. |
| 331 | * |
| 332 | * Workaround: 4th PIPE_CONTROL command (except the ones with only |
| 333 | * read-cache invalidate bits set) must have the CS_STALL bit set. We |
| 334 | * don't try to be clever and just set it unconditionally. |
| 335 | */ |
| 336 | flags |= PIPE_CONTROL_CS_STALL; |
| 337 | |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 338 | /* Just flush everything. Experiments have shown that reducing the |
| 339 | * number of bits based on the write domains has little performance |
| 340 | * impact. |
| 341 | */ |
| 342 | if (flush_domains) { |
| 343 | flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; |
| 344 | flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 345 | } |
| 346 | if (invalidate_domains) { |
| 347 | flags |= PIPE_CONTROL_TLB_INVALIDATE; |
| 348 | flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; |
| 349 | flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; |
| 350 | flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; |
| 351 | flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; |
| 352 | flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; |
Chris Wilson | 148b83d | 2014-12-16 08:44:31 +0000 | [diff] [blame] | 353 | flags |= PIPE_CONTROL_MEDIA_STATE_CLEAR; |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 354 | /* |
| 355 | * TLB invalidate requires a post-sync write. |
| 356 | */ |
| 357 | flags |= PIPE_CONTROL_QW_WRITE; |
Ville Syrjälä | b9e1faa | 2013-02-14 21:53:51 +0200 | [diff] [blame] | 358 | flags |= PIPE_CONTROL_GLOBAL_GTT_IVB; |
Paulo Zanoni | f398763 | 2012-08-17 18:35:43 -0300 | [diff] [blame] | 359 | |
Chris Wilson | add284a | 2014-12-16 08:44:32 +0000 | [diff] [blame] | 360 | flags |= PIPE_CONTROL_STALL_AT_SCOREBOARD; |
| 361 | |
Paulo Zanoni | f398763 | 2012-08-17 18:35:43 -0300 | [diff] [blame] | 362 | /* Workaround: we must issue a pipe_control with CS-stall bit |
| 363 | * set before a pipe_control command that has the state cache |
| 364 | * invalidate bit set. */ |
| 365 | gen7_render_ring_cs_stall_wa(ring); |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | ret = intel_ring_begin(ring, 4); |
| 369 | if (ret) |
| 370 | return ret; |
| 371 | |
| 372 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4)); |
| 373 | intel_ring_emit(ring, flags); |
Ville Syrjälä | b9e1faa | 2013-02-14 21:53:51 +0200 | [diff] [blame] | 374 | intel_ring_emit(ring, scratch_addr); |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 375 | intel_ring_emit(ring, 0); |
| 376 | intel_ring_advance(ring); |
| 377 | |
| 378 | return 0; |
| 379 | } |
| 380 | |
Ben Widawsky | a5f3d68 | 2013-11-02 21:07:27 -0700 | [diff] [blame] | 381 | static int |
Kenneth Graunke | 884ceac | 2014-06-28 02:04:20 +0300 | [diff] [blame] | 382 | gen8_emit_pipe_control(struct intel_engine_cs *ring, |
| 383 | u32 flags, u32 scratch_addr) |
| 384 | { |
| 385 | int ret; |
| 386 | |
| 387 | ret = intel_ring_begin(ring, 6); |
| 388 | if (ret) |
| 389 | return ret; |
| 390 | |
| 391 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(6)); |
| 392 | intel_ring_emit(ring, flags); |
| 393 | intel_ring_emit(ring, scratch_addr); |
| 394 | intel_ring_emit(ring, 0); |
| 395 | intel_ring_emit(ring, 0); |
| 396 | intel_ring_emit(ring, 0); |
| 397 | intel_ring_advance(ring); |
| 398 | |
| 399 | return 0; |
| 400 | } |
| 401 | |
| 402 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 403 | gen8_render_ring_flush(struct intel_engine_cs *ring, |
Ben Widawsky | a5f3d68 | 2013-11-02 21:07:27 -0700 | [diff] [blame] | 404 | u32 invalidate_domains, u32 flush_domains) |
| 405 | { |
| 406 | u32 flags = 0; |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 407 | u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES; |
Kenneth Graunke | 02c9f7e | 2014-01-27 14:20:16 -0800 | [diff] [blame] | 408 | int ret; |
Ben Widawsky | a5f3d68 | 2013-11-02 21:07:27 -0700 | [diff] [blame] | 409 | |
| 410 | flags |= PIPE_CONTROL_CS_STALL; |
| 411 | |
| 412 | if (flush_domains) { |
| 413 | flags |= PIPE_CONTROL_RENDER_TARGET_CACHE_FLUSH; |
| 414 | flags |= PIPE_CONTROL_DEPTH_CACHE_FLUSH; |
| 415 | } |
| 416 | if (invalidate_domains) { |
| 417 | flags |= PIPE_CONTROL_TLB_INVALIDATE; |
| 418 | flags |= PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE; |
| 419 | flags |= PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE; |
| 420 | flags |= PIPE_CONTROL_VF_CACHE_INVALIDATE; |
| 421 | flags |= PIPE_CONTROL_CONST_CACHE_INVALIDATE; |
| 422 | flags |= PIPE_CONTROL_STATE_CACHE_INVALIDATE; |
| 423 | flags |= PIPE_CONTROL_QW_WRITE; |
| 424 | flags |= PIPE_CONTROL_GLOBAL_GTT_IVB; |
Kenneth Graunke | 02c9f7e | 2014-01-27 14:20:16 -0800 | [diff] [blame] | 425 | |
| 426 | /* WaCsStallBeforeStateCacheInvalidate:bdw,chv */ |
| 427 | ret = gen8_emit_pipe_control(ring, |
| 428 | PIPE_CONTROL_CS_STALL | |
| 429 | PIPE_CONTROL_STALL_AT_SCOREBOARD, |
| 430 | 0); |
| 431 | if (ret) |
| 432 | return ret; |
Ben Widawsky | a5f3d68 | 2013-11-02 21:07:27 -0700 | [diff] [blame] | 433 | } |
| 434 | |
kbuild test robot | 6e0b3f8 | 2015-03-05 22:03:08 +0800 | [diff] [blame] | 435 | return gen8_emit_pipe_control(ring, flags, scratch_addr); |
Ben Widawsky | a5f3d68 | 2013-11-02 21:07:27 -0700 | [diff] [blame] | 436 | } |
| 437 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 438 | static void ring_write_tail(struct intel_engine_cs *ring, |
Chris Wilson | 297b0c5 | 2010-10-22 17:02:41 +0100 | [diff] [blame] | 439 | u32 value) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 440 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 441 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Chris Wilson | 297b0c5 | 2010-10-22 17:02:41 +0100 | [diff] [blame] | 442 | I915_WRITE_TAIL(ring, value); |
Xiang, Haihao | d46eefa | 2010-09-16 10:43:12 +0800 | [diff] [blame] | 443 | } |
| 444 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 445 | u64 intel_ring_get_active_head(struct intel_engine_cs *ring) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 446 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 447 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Chris Wilson | 5087744 | 2014-03-21 12:41:53 +0000 | [diff] [blame] | 448 | u64 acthd; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 449 | |
Chris Wilson | 5087744 | 2014-03-21 12:41:53 +0000 | [diff] [blame] | 450 | if (INTEL_INFO(ring->dev)->gen >= 8) |
| 451 | acthd = I915_READ64_2x32(RING_ACTHD(ring->mmio_base), |
| 452 | RING_ACTHD_UDW(ring->mmio_base)); |
| 453 | else if (INTEL_INFO(ring->dev)->gen >= 4) |
| 454 | acthd = I915_READ(RING_ACTHD(ring->mmio_base)); |
| 455 | else |
| 456 | acthd = I915_READ(ACTHD); |
| 457 | |
| 458 | return acthd; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 459 | } |
| 460 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 461 | static void ring_setup_phys_status_page(struct intel_engine_cs *ring) |
Daniel Vetter | 035dc1e | 2013-07-03 12:56:54 +0200 | [diff] [blame] | 462 | { |
| 463 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
| 464 | u32 addr; |
| 465 | |
| 466 | addr = dev_priv->status_page_dmah->busaddr; |
| 467 | if (INTEL_INFO(ring->dev)->gen >= 4) |
| 468 | addr |= (dev_priv->status_page_dmah->busaddr >> 28) & 0xf0; |
| 469 | I915_WRITE(HWS_PGA, addr); |
| 470 | } |
| 471 | |
Damien Lespiau | af75f26 | 2015-02-10 19:32:17 +0000 | [diff] [blame] | 472 | static void intel_ring_setup_status_page(struct intel_engine_cs *ring) |
| 473 | { |
| 474 | struct drm_device *dev = ring->dev; |
| 475 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
| 476 | u32 mmio = 0; |
| 477 | |
| 478 | /* The ring status page addresses are no longer next to the rest of |
| 479 | * the ring registers as of gen7. |
| 480 | */ |
| 481 | if (IS_GEN7(dev)) { |
| 482 | switch (ring->id) { |
| 483 | case RCS: |
| 484 | mmio = RENDER_HWS_PGA_GEN7; |
| 485 | break; |
| 486 | case BCS: |
| 487 | mmio = BLT_HWS_PGA_GEN7; |
| 488 | break; |
| 489 | /* |
| 490 | * VCS2 actually doesn't exist on Gen7. Only shut up |
| 491 | * gcc switch check warning |
| 492 | */ |
| 493 | case VCS2: |
| 494 | case VCS: |
| 495 | mmio = BSD_HWS_PGA_GEN7; |
| 496 | break; |
| 497 | case VECS: |
| 498 | mmio = VEBOX_HWS_PGA_GEN7; |
| 499 | break; |
| 500 | } |
| 501 | } else if (IS_GEN6(ring->dev)) { |
| 502 | mmio = RING_HWS_PGA_GEN6(ring->mmio_base); |
| 503 | } else { |
| 504 | /* XXX: gen8 returns to sanity */ |
| 505 | mmio = RING_HWS_PGA(ring->mmio_base); |
| 506 | } |
| 507 | |
| 508 | I915_WRITE(mmio, (u32)ring->status_page.gfx_addr); |
| 509 | POSTING_READ(mmio); |
| 510 | |
| 511 | /* |
| 512 | * Flush the TLB for this page |
| 513 | * |
| 514 | * FIXME: These two bits have disappeared on gen8, so a question |
| 515 | * arises: do we still need this and if so how should we go about |
| 516 | * invalidating the TLB? |
| 517 | */ |
| 518 | if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) { |
| 519 | u32 reg = RING_INSTPM(ring->mmio_base); |
| 520 | |
| 521 | /* ring should be idle before issuing a sync flush*/ |
| 522 | WARN_ON((I915_READ_MODE(ring) & MODE_IDLE) == 0); |
| 523 | |
| 524 | I915_WRITE(reg, |
| 525 | _MASKED_BIT_ENABLE(INSTPM_TLB_INVALIDATE | |
| 526 | INSTPM_SYNC_FLUSH)); |
| 527 | if (wait_for((I915_READ(reg) & INSTPM_SYNC_FLUSH) == 0, |
| 528 | 1000)) |
| 529 | DRM_ERROR("%s: wait for SyncFlush to complete for TLB invalidation timed out\n", |
| 530 | ring->name); |
| 531 | } |
| 532 | } |
| 533 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 534 | static bool stop_ring(struct intel_engine_cs *ring) |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 535 | { |
| 536 | struct drm_i915_private *dev_priv = to_i915(ring->dev); |
| 537 | |
| 538 | if (!IS_GEN2(ring->dev)) { |
| 539 | I915_WRITE_MODE(ring, _MASKED_BIT_ENABLE(STOP_RING)); |
Daniel Vetter | 403bdd1 | 2014-08-07 16:05:39 +0200 | [diff] [blame] | 540 | if (wait_for((I915_READ_MODE(ring) & MODE_IDLE) != 0, 1000)) { |
| 541 | DRM_ERROR("%s : timed out trying to stop ring\n", ring->name); |
Chris Wilson | 9bec9b1 | 2014-08-11 09:21:35 +0100 | [diff] [blame] | 542 | /* Sometimes we observe that the idle flag is not |
| 543 | * set even though the ring is empty. So double |
| 544 | * check before giving up. |
| 545 | */ |
| 546 | if (I915_READ_HEAD(ring) != I915_READ_TAIL(ring)) |
| 547 | return false; |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 548 | } |
| 549 | } |
| 550 | |
| 551 | I915_WRITE_CTL(ring, 0); |
| 552 | I915_WRITE_HEAD(ring, 0); |
| 553 | ring->write_tail(ring, 0); |
| 554 | |
| 555 | if (!IS_GEN2(ring->dev)) { |
| 556 | (void)I915_READ_CTL(ring); |
| 557 | I915_WRITE_MODE(ring, _MASKED_BIT_DISABLE(STOP_RING)); |
| 558 | } |
| 559 | |
| 560 | return (I915_READ_HEAD(ring) & HEAD_ADDR) == 0; |
| 561 | } |
| 562 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 563 | static int init_ring_common(struct intel_engine_cs *ring) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 564 | { |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 565 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 566 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 567 | struct intel_ringbuffer *ringbuf = ring->buffer; |
| 568 | struct drm_i915_gem_object *obj = ringbuf->obj; |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 569 | int ret = 0; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 570 | |
Mika Kuoppala | 59bad94 | 2015-01-16 11:34:40 +0200 | [diff] [blame] | 571 | intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL); |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 572 | |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 573 | if (!stop_ring(ring)) { |
| 574 | /* G45 ring initialization often fails to reset head to zero */ |
Chris Wilson | 6fd0d56 | 2010-12-05 20:42:33 +0000 | [diff] [blame] | 575 | DRM_DEBUG_KMS("%s head not reset to zero " |
| 576 | "ctl %08x head %08x tail %08x start %08x\n", |
| 577 | ring->name, |
| 578 | I915_READ_CTL(ring), |
| 579 | I915_READ_HEAD(ring), |
| 580 | I915_READ_TAIL(ring), |
| 581 | I915_READ_START(ring)); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 582 | |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 583 | if (!stop_ring(ring)) { |
Chris Wilson | 6fd0d56 | 2010-12-05 20:42:33 +0000 | [diff] [blame] | 584 | DRM_ERROR("failed to set %s head to zero " |
| 585 | "ctl %08x head %08x tail %08x start %08x\n", |
| 586 | ring->name, |
| 587 | I915_READ_CTL(ring), |
| 588 | I915_READ_HEAD(ring), |
| 589 | I915_READ_TAIL(ring), |
| 590 | I915_READ_START(ring)); |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 591 | ret = -EIO; |
| 592 | goto out; |
Chris Wilson | 6fd0d56 | 2010-12-05 20:42:33 +0000 | [diff] [blame] | 593 | } |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 594 | } |
| 595 | |
Chris Wilson | 9991ae7 | 2014-04-02 16:36:07 +0100 | [diff] [blame] | 596 | if (I915_NEED_GFX_HWS(dev)) |
| 597 | intel_ring_setup_status_page(ring); |
| 598 | else |
| 599 | ring_setup_phys_status_page(ring); |
| 600 | |
Jiri Kosina | ece4a17 | 2014-08-07 16:29:53 +0200 | [diff] [blame] | 601 | /* Enforce ordering by reading HEAD register back */ |
| 602 | I915_READ_HEAD(ring); |
| 603 | |
Daniel Vetter | 0d8957c | 2012-08-07 09:54:14 +0200 | [diff] [blame] | 604 | /* Initialize the ring. This must happen _after_ we've cleared the ring |
| 605 | * registers with the above sequence (the readback of the HEAD registers |
| 606 | * also enforces ordering), otherwise the hw might lose the new ring |
| 607 | * register values. */ |
Ben Widawsky | f343c5f | 2013-07-05 14:41:04 -0700 | [diff] [blame] | 608 | I915_WRITE_START(ring, i915_gem_obj_ggtt_offset(obj)); |
Chris Wilson | 9546889 | 2014-08-07 15:39:54 +0100 | [diff] [blame] | 609 | |
| 610 | /* WaClearRingBufHeadRegAtInit:ctg,elk */ |
| 611 | if (I915_READ_HEAD(ring)) |
| 612 | DRM_DEBUG("%s initialization failed [head=%08x], fudging\n", |
| 613 | ring->name, I915_READ_HEAD(ring)); |
| 614 | I915_WRITE_HEAD(ring, 0); |
| 615 | (void)I915_READ_HEAD(ring); |
| 616 | |
Daniel Vetter | 7f2ab69 | 2010-08-02 17:06:59 +0200 | [diff] [blame] | 617 | I915_WRITE_CTL(ring, |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 618 | ((ringbuf->size - PAGE_SIZE) & RING_NR_PAGES) |
Chris Wilson | 5d031e5 | 2012-02-08 13:34:13 +0000 | [diff] [blame] | 619 | | RING_VALID); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 620 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 621 | /* If the head is still not zero, the ring is dead */ |
Sean Paul | f01db98 | 2012-03-16 12:43:22 -0400 | [diff] [blame] | 622 | if (wait_for((I915_READ_CTL(ring) & RING_VALID) != 0 && |
Ben Widawsky | f343c5f | 2013-07-05 14:41:04 -0700 | [diff] [blame] | 623 | I915_READ_START(ring) == i915_gem_obj_ggtt_offset(obj) && |
Sean Paul | f01db98 | 2012-03-16 12:43:22 -0400 | [diff] [blame] | 624 | (I915_READ_HEAD(ring) & HEAD_ADDR) == 0, 50)) { |
Chris Wilson | e74cfed | 2010-11-09 10:16:56 +0000 | [diff] [blame] | 625 | DRM_ERROR("%s initialization failed " |
Chris Wilson | 48e48a0 | 2014-04-09 09:19:44 +0100 | [diff] [blame] | 626 | "ctl %08x (valid? %d) head %08x tail %08x start %08x [expected %08lx]\n", |
| 627 | ring->name, |
| 628 | I915_READ_CTL(ring), I915_READ_CTL(ring) & RING_VALID, |
| 629 | I915_READ_HEAD(ring), I915_READ_TAIL(ring), |
| 630 | I915_READ_START(ring), (unsigned long)i915_gem_obj_ggtt_offset(obj)); |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 631 | ret = -EIO; |
| 632 | goto out; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 633 | } |
| 634 | |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 635 | ringbuf->last_retired_head = -1; |
Chris Wilson | 5c6c600 | 2014-09-06 10:28:27 +0100 | [diff] [blame] | 636 | ringbuf->head = I915_READ_HEAD(ring); |
| 637 | ringbuf->tail = I915_READ_TAIL(ring) & TAIL_ADDR; |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 638 | intel_ring_update_space(ringbuf); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 639 | |
Chris Wilson | 50f018d | 2013-06-10 11:20:19 +0100 | [diff] [blame] | 640 | memset(&ring->hangcheck, 0, sizeof(ring->hangcheck)); |
| 641 | |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 642 | out: |
Mika Kuoppala | 59bad94 | 2015-01-16 11:34:40 +0200 | [diff] [blame] | 643 | intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL); |
Daniel Vetter | b7884eb | 2012-06-04 11:18:15 +0200 | [diff] [blame] | 644 | |
| 645 | return ret; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 646 | } |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 647 | |
Oscar Mateo | 9b1136d | 2014-07-24 17:04:24 +0100 | [diff] [blame] | 648 | void |
| 649 | intel_fini_pipe_control(struct intel_engine_cs *ring) |
| 650 | { |
| 651 | struct drm_device *dev = ring->dev; |
| 652 | |
| 653 | if (ring->scratch.obj == NULL) |
| 654 | return; |
| 655 | |
| 656 | if (INTEL_INFO(dev)->gen >= 5) { |
| 657 | kunmap(sg_page(ring->scratch.obj->pages->sgl)); |
| 658 | i915_gem_object_ggtt_unpin(ring->scratch.obj); |
| 659 | } |
| 660 | |
| 661 | drm_gem_object_unreference(&ring->scratch.obj->base); |
| 662 | ring->scratch.obj = NULL; |
| 663 | } |
| 664 | |
| 665 | int |
| 666 | intel_init_pipe_control(struct intel_engine_cs *ring) |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 667 | { |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 668 | int ret; |
| 669 | |
Daniel Vetter | bfc882b | 2014-11-20 00:33:08 +0100 | [diff] [blame] | 670 | WARN_ON(ring->scratch.obj); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 671 | |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 672 | ring->scratch.obj = i915_gem_alloc_object(ring->dev, 4096); |
| 673 | if (ring->scratch.obj == NULL) { |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 674 | DRM_ERROR("Failed to allocate seqno page\n"); |
| 675 | ret = -ENOMEM; |
| 676 | goto err; |
| 677 | } |
Chris Wilson | e4ffd17 | 2011-04-04 09:44:39 +0100 | [diff] [blame] | 678 | |
Daniel Vetter | a9cc726 | 2014-02-14 14:01:13 +0100 | [diff] [blame] | 679 | ret = i915_gem_object_set_cache_level(ring->scratch.obj, I915_CACHE_LLC); |
| 680 | if (ret) |
| 681 | goto err_unref; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 682 | |
Daniel Vetter | 1ec9e26 | 2014-02-14 14:01:11 +0100 | [diff] [blame] | 683 | ret = i915_gem_obj_ggtt_pin(ring->scratch.obj, 4096, 0); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 684 | if (ret) |
| 685 | goto err_unref; |
| 686 | |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 687 | ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(ring->scratch.obj); |
| 688 | ring->scratch.cpu_page = kmap(sg_page(ring->scratch.obj->pages->sgl)); |
| 689 | if (ring->scratch.cpu_page == NULL) { |
Wei Yongjun | 56b085a | 2013-05-28 17:51:44 +0800 | [diff] [blame] | 690 | ret = -ENOMEM; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 691 | goto err_unpin; |
Wei Yongjun | 56b085a | 2013-05-28 17:51:44 +0800 | [diff] [blame] | 692 | } |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 693 | |
Ville Syrjälä | 2b1086c | 2013-02-12 22:01:38 +0200 | [diff] [blame] | 694 | DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08x\n", |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 695 | ring->name, ring->scratch.gtt_offset); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 696 | return 0; |
| 697 | |
| 698 | err_unpin: |
Ben Widawsky | d7f46fc | 2013-12-06 14:10:55 -0800 | [diff] [blame] | 699 | i915_gem_object_ggtt_unpin(ring->scratch.obj); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 700 | err_unref: |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 701 | drm_gem_object_unreference(&ring->scratch.obj->base); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 702 | err: |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 703 | return ret; |
| 704 | } |
| 705 | |
Michel Thierry | 771b9a5 | 2014-11-11 16:47:33 +0000 | [diff] [blame] | 706 | static int intel_ring_workarounds_emit(struct intel_engine_cs *ring, |
| 707 | struct intel_context *ctx) |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 708 | { |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 709 | int ret, i; |
Arun Siluvery | 888b599 | 2014-08-26 14:44:51 +0100 | [diff] [blame] | 710 | struct drm_device *dev = ring->dev; |
| 711 | struct drm_i915_private *dev_priv = dev->dev_private; |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 712 | struct i915_workarounds *w = &dev_priv->workarounds; |
Arun Siluvery | 888b599 | 2014-08-26 14:44:51 +0100 | [diff] [blame] | 713 | |
Michel Thierry | e6c1abb | 2014-11-26 14:21:02 +0000 | [diff] [blame] | 714 | if (WARN_ON_ONCE(w->count == 0)) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 715 | return 0; |
Arun Siluvery | 888b599 | 2014-08-26 14:44:51 +0100 | [diff] [blame] | 716 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 717 | ring->gpu_caches_dirty = true; |
| 718 | ret = intel_ring_flush_all_caches(ring); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 719 | if (ret) |
| 720 | return ret; |
| 721 | |
Arun Siluvery | 22a916a | 2014-10-22 18:59:52 +0100 | [diff] [blame] | 722 | ret = intel_ring_begin(ring, (w->count * 2 + 2)); |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 723 | if (ret) |
| 724 | return ret; |
| 725 | |
Arun Siluvery | 22a916a | 2014-10-22 18:59:52 +0100 | [diff] [blame] | 726 | intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(w->count)); |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 727 | for (i = 0; i < w->count; i++) { |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 728 | intel_ring_emit(ring, w->reg[i].addr); |
| 729 | intel_ring_emit(ring, w->reg[i].value); |
| 730 | } |
Arun Siluvery | 22a916a | 2014-10-22 18:59:52 +0100 | [diff] [blame] | 731 | intel_ring_emit(ring, MI_NOOP); |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 732 | |
| 733 | intel_ring_advance(ring); |
| 734 | |
| 735 | ring->gpu_caches_dirty = true; |
| 736 | ret = intel_ring_flush_all_caches(ring); |
| 737 | if (ret) |
| 738 | return ret; |
| 739 | |
| 740 | DRM_DEBUG_DRIVER("Number of Workarounds emitted: %d\n", w->count); |
| 741 | |
| 742 | return 0; |
| 743 | } |
| 744 | |
John Harrison | 8753181 | 2015-05-29 17:43:44 +0100 | [diff] [blame^] | 745 | static int intel_rcs_ctx_init(struct drm_i915_gem_request *req) |
Daniel Vetter | 8f0e2b9 | 2014-12-02 16:19:07 +0100 | [diff] [blame] | 746 | { |
| 747 | int ret; |
| 748 | |
John Harrison | 8753181 | 2015-05-29 17:43:44 +0100 | [diff] [blame^] | 749 | ret = intel_ring_workarounds_emit(req->ring, req->ctx); |
Daniel Vetter | 8f0e2b9 | 2014-12-02 16:19:07 +0100 | [diff] [blame] | 750 | if (ret != 0) |
| 751 | return ret; |
| 752 | |
John Harrison | 8753181 | 2015-05-29 17:43:44 +0100 | [diff] [blame^] | 753 | ret = i915_gem_render_state_init(req->ring); |
Daniel Vetter | 8f0e2b9 | 2014-12-02 16:19:07 +0100 | [diff] [blame] | 754 | if (ret) |
| 755 | DRM_ERROR("init render state: %d\n", ret); |
| 756 | |
| 757 | return ret; |
| 758 | } |
| 759 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 760 | static int wa_add(struct drm_i915_private *dev_priv, |
Damien Lespiau | cf4b0de | 2014-12-08 17:35:37 +0000 | [diff] [blame] | 761 | const u32 addr, const u32 mask, const u32 val) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 762 | { |
| 763 | const u32 idx = dev_priv->workarounds.count; |
| 764 | |
| 765 | if (WARN_ON(idx >= I915_MAX_WA_REGS)) |
| 766 | return -ENOSPC; |
| 767 | |
| 768 | dev_priv->workarounds.reg[idx].addr = addr; |
| 769 | dev_priv->workarounds.reg[idx].value = val; |
| 770 | dev_priv->workarounds.reg[idx].mask = mask; |
| 771 | |
| 772 | dev_priv->workarounds.count++; |
| 773 | |
| 774 | return 0; |
| 775 | } |
| 776 | |
Damien Lespiau | cf4b0de | 2014-12-08 17:35:37 +0000 | [diff] [blame] | 777 | #define WA_REG(addr, mask, val) { \ |
| 778 | const int r = wa_add(dev_priv, (addr), (mask), (val)); \ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 779 | if (r) \ |
| 780 | return r; \ |
| 781 | } |
| 782 | |
| 783 | #define WA_SET_BIT_MASKED(addr, mask) \ |
Damien Lespiau | 2645934 | 2014-12-08 17:35:38 +0000 | [diff] [blame] | 784 | WA_REG(addr, (mask), _MASKED_BIT_ENABLE(mask)) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 785 | |
| 786 | #define WA_CLR_BIT_MASKED(addr, mask) \ |
Damien Lespiau | 2645934 | 2014-12-08 17:35:38 +0000 | [diff] [blame] | 787 | WA_REG(addr, (mask), _MASKED_BIT_DISABLE(mask)) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 788 | |
Damien Lespiau | 9853325 | 2014-12-08 17:33:51 +0000 | [diff] [blame] | 789 | #define WA_SET_FIELD_MASKED(addr, mask, value) \ |
Damien Lespiau | cf4b0de | 2014-12-08 17:35:37 +0000 | [diff] [blame] | 790 | WA_REG(addr, mask, _MASKED_FIELD(mask, value)) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 791 | |
Damien Lespiau | cf4b0de | 2014-12-08 17:35:37 +0000 | [diff] [blame] | 792 | #define WA_SET_BIT(addr, mask) WA_REG(addr, mask, I915_READ(addr) | (mask)) |
| 793 | #define WA_CLR_BIT(addr, mask) WA_REG(addr, mask, I915_READ(addr) & ~(mask)) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 794 | |
Damien Lespiau | cf4b0de | 2014-12-08 17:35:37 +0000 | [diff] [blame] | 795 | #define WA_WRITE(addr, val) WA_REG(addr, 0xffffffff, val) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 796 | |
| 797 | static int bdw_init_workarounds(struct intel_engine_cs *ring) |
| 798 | { |
| 799 | struct drm_device *dev = ring->dev; |
| 800 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 801 | |
Ville Syrjälä | 9cc8302 | 2015-06-02 15:37:36 +0300 | [diff] [blame] | 802 | WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); |
| 803 | |
Ville Syrjälä | 2441f87 | 2015-06-02 15:37:37 +0300 | [diff] [blame] | 804 | /* WaDisableAsyncFlipPerfMode:bdw */ |
| 805 | WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE); |
| 806 | |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 807 | /* WaDisablePartialInstShootdown:bdw */ |
Rodrigo Vivi | 101b376 | 2014-10-09 07:11:47 -0700 | [diff] [blame] | 808 | /* WaDisableThreadStallDopClockGating:bdw (pre-production) */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 809 | WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, |
| 810 | PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE | |
| 811 | STALL_DOP_GATING_DISABLE); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 812 | |
Rodrigo Vivi | 101b376 | 2014-10-09 07:11:47 -0700 | [diff] [blame] | 813 | /* WaDisableDopClockGating:bdw */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 814 | WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, |
| 815 | DOP_CLOCK_GATING_DISABLE); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 816 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 817 | WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, |
| 818 | GEN8_SAMPLER_POWER_BYPASS_DIS); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 819 | |
| 820 | /* Use Force Non-Coherent whenever executing a 3D context. This is a |
| 821 | * workaround for for a possible hang in the unlikely event a TLB |
| 822 | * invalidation occurs during a PSD flush. |
| 823 | */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 824 | WA_SET_BIT_MASKED(HDC_CHICKEN0, |
Damien Lespiau | 35cb6f3 | 2015-02-10 10:31:00 +0000 | [diff] [blame] | 825 | /* WaForceEnableNonCoherent:bdw */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 826 | HDC_FORCE_NON_COHERENT | |
Damien Lespiau | 35cb6f3 | 2015-02-10 10:31:00 +0000 | [diff] [blame] | 827 | /* WaForceContextSaveRestoreNonCoherent:bdw */ |
| 828 | HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT | |
| 829 | /* WaHdcDisableFetchWhenMasked:bdw */ |
Michel Thierry | f3f3236 | 2014-12-04 15:07:52 +0000 | [diff] [blame] | 830 | HDC_DONOT_FETCH_MEM_WHEN_MASKED | |
Damien Lespiau | 35cb6f3 | 2015-02-10 10:31:00 +0000 | [diff] [blame] | 831 | /* WaDisableFenceDestinationToSLM:bdw (pre-prod) */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 832 | (IS_BDW_GT3(dev) ? HDC_FENCE_DEST_SLM_DISABLE : 0)); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 833 | |
Kenneth Graunke | 2701fc4 | 2015-01-13 12:46:52 -0800 | [diff] [blame] | 834 | /* From the Haswell PRM, Command Reference: Registers, CACHE_MODE_0: |
| 835 | * "The Hierarchical Z RAW Stall Optimization allows non-overlapping |
| 836 | * polygons in the same 8x4 pixel/sample area to be processed without |
| 837 | * stalling waiting for the earlier ones to write to Hierarchical Z |
| 838 | * buffer." |
| 839 | * |
| 840 | * This optimization is off by default for Broadwell; turn it on. |
| 841 | */ |
| 842 | WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE); |
| 843 | |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 844 | /* Wa4x4STCOptimizationDisable:bdw */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 845 | WA_SET_BIT_MASKED(CACHE_MODE_1, |
| 846 | GEN8_4x4_STC_OPTIMIZATION_DISABLE); |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 847 | |
| 848 | /* |
| 849 | * BSpec recommends 8x4 when MSAA is used, |
| 850 | * however in practice 16x4 seems fastest. |
| 851 | * |
| 852 | * Note that PS/WM thread counts depend on the WIZ hashing |
| 853 | * disable bit, which we don't touch here, but it's good |
| 854 | * to keep in mind (see 3DSTATE_PS and 3DSTATE_WM). |
| 855 | */ |
Damien Lespiau | 9853325 | 2014-12-08 17:33:51 +0000 | [diff] [blame] | 856 | WA_SET_FIELD_MASKED(GEN7_GT_MODE, |
| 857 | GEN6_WIZ_HASHING_MASK, |
| 858 | GEN6_WIZ_HASHING_16x4); |
Arun Siluvery | 888b599 | 2014-08-26 14:44:51 +0100 | [diff] [blame] | 859 | |
Arun Siluvery | 86d7f23 | 2014-08-26 14:44:50 +0100 | [diff] [blame] | 860 | return 0; |
| 861 | } |
| 862 | |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 863 | static int chv_init_workarounds(struct intel_engine_cs *ring) |
| 864 | { |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 865 | struct drm_device *dev = ring->dev; |
| 866 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 867 | |
Ville Syrjälä | 9cc8302 | 2015-06-02 15:37:36 +0300 | [diff] [blame] | 868 | WA_SET_BIT_MASKED(INSTPM, INSTPM_FORCE_ORDERING); |
| 869 | |
Ville Syrjälä | 2441f87 | 2015-06-02 15:37:37 +0300 | [diff] [blame] | 870 | /* WaDisableAsyncFlipPerfMode:chv */ |
| 871 | WA_SET_BIT_MASKED(MI_MODE, ASYNC_FLIP_PERF_DISABLE); |
| 872 | |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 873 | /* WaDisablePartialInstShootdown:chv */ |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 874 | /* WaDisableThreadStallDopClockGating:chv */ |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 875 | WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, |
Arun Siluvery | 605f143 | 2014-10-28 18:33:13 +0000 | [diff] [blame] | 876 | PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE | |
| 877 | STALL_DOP_GATING_DISABLE); |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 878 | |
Arun Siluvery | 95289009 | 2014-10-28 18:33:14 +0000 | [diff] [blame] | 879 | /* Use Force Non-Coherent whenever executing a 3D context. This is a |
| 880 | * workaround for a possible hang in the unlikely event a TLB |
| 881 | * invalidation occurs during a PSD flush. |
| 882 | */ |
| 883 | /* WaForceEnableNonCoherent:chv */ |
| 884 | /* WaHdcDisableFetchWhenMasked:chv */ |
| 885 | WA_SET_BIT_MASKED(HDC_CHICKEN0, |
| 886 | HDC_FORCE_NON_COHERENT | |
| 887 | HDC_DONOT_FETCH_MEM_WHEN_MASKED); |
| 888 | |
Kenneth Graunke | 973a5b0 | 2015-01-13 12:46:53 -0800 | [diff] [blame] | 889 | /* According to the CACHE_MODE_0 default value documentation, some |
| 890 | * CHV platforms disable this optimization by default. Turn it on. |
| 891 | */ |
| 892 | WA_CLR_BIT_MASKED(CACHE_MODE_0_GEN7, HIZ_RAW_STALL_OPT_DISABLE); |
| 893 | |
Ville Syrjälä | 14bc16e | 2015-01-21 19:37:58 +0200 | [diff] [blame] | 894 | /* Wa4x4STCOptimizationDisable:chv */ |
| 895 | WA_SET_BIT_MASKED(CACHE_MODE_1, |
| 896 | GEN8_4x4_STC_OPTIMIZATION_DISABLE); |
| 897 | |
Kenneth Graunke | d60de81 | 2015-01-10 18:02:22 -0800 | [diff] [blame] | 898 | /* Improve HiZ throughput on CHV. */ |
| 899 | WA_SET_BIT_MASKED(HIZ_CHICKEN, CHV_HZ_8X8_MODE_IN_1X); |
| 900 | |
Ville Syrjälä | e7fc243 | 2015-01-21 19:38:00 +0200 | [diff] [blame] | 901 | /* |
| 902 | * BSpec recommends 8x4 when MSAA is used, |
| 903 | * however in practice 16x4 seems fastest. |
| 904 | * |
| 905 | * Note that PS/WM thread counts depend on the WIZ hashing |
| 906 | * disable bit, which we don't touch here, but it's good |
| 907 | * to keep in mind (see 3DSTATE_PS and 3DSTATE_WM). |
| 908 | */ |
| 909 | WA_SET_FIELD_MASKED(GEN7_GT_MODE, |
| 910 | GEN6_WIZ_HASHING_MASK, |
| 911 | GEN6_WIZ_HASHING_16x4); |
| 912 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 913 | return 0; |
| 914 | } |
| 915 | |
Hoath, Nicholas | 3b10653 | 2015-02-05 10:47:16 +0000 | [diff] [blame] | 916 | static int gen9_init_workarounds(struct intel_engine_cs *ring) |
| 917 | { |
Hoath, Nicholas | ab0dfaf | 2015-02-05 10:47:18 +0000 | [diff] [blame] | 918 | struct drm_device *dev = ring->dev; |
| 919 | struct drm_i915_private *dev_priv = dev->dev_private; |
Imre Deak | 8ea6f89 | 2015-05-19 17:05:42 +0300 | [diff] [blame] | 920 | uint32_t tmp; |
Hoath, Nicholas | ab0dfaf | 2015-02-05 10:47:18 +0000 | [diff] [blame] | 921 | |
Nick Hoath | b0e6f6d | 2015-05-07 14:15:29 +0100 | [diff] [blame] | 922 | /* WaDisablePartialInstShootdown:skl,bxt */ |
Hoath, Nicholas | ab0dfaf | 2015-02-05 10:47:18 +0000 | [diff] [blame] | 923 | WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, |
| 924 | PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE); |
| 925 | |
Nick Hoath | a119a6e | 2015-05-07 14:15:30 +0100 | [diff] [blame] | 926 | /* Syncing dependencies between camera and graphics:skl,bxt */ |
Nick Hoath | 8424171 | 2015-02-05 10:47:20 +0000 | [diff] [blame] | 927 | WA_SET_BIT_MASKED(HALF_SLICE_CHICKEN3, |
| 928 | GEN9_DISABLE_OCL_OOB_SUPPRESS_LOGIC); |
| 929 | |
Nick Hoath | d2a31db | 2015-05-07 14:15:31 +0100 | [diff] [blame] | 930 | if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) == SKL_REVID_A0 || |
| 931 | INTEL_REVID(dev) == SKL_REVID_B0)) || |
| 932 | (IS_BROXTON(dev) && INTEL_REVID(dev) < BXT_REVID_B0)) { |
| 933 | /* WaDisableDgMirrorFixInHalfSliceChicken5:skl,bxt */ |
Damien Lespiau | a86eb58 | 2015-02-11 18:21:44 +0000 | [diff] [blame] | 934 | WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5, |
| 935 | GEN9_DG_MIRROR_FIX_ENABLE); |
Nick Hoath | 1de4582 | 2015-02-05 10:47:19 +0000 | [diff] [blame] | 936 | } |
| 937 | |
Nick Hoath | a13d215 | 2015-05-07 14:15:32 +0100 | [diff] [blame] | 938 | if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) || |
| 939 | (IS_BROXTON(dev) && INTEL_REVID(dev) < BXT_REVID_B0)) { |
| 940 | /* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */ |
Damien Lespiau | 183c6da | 2015-02-09 19:33:11 +0000 | [diff] [blame] | 941 | WA_SET_BIT_MASKED(GEN7_COMMON_SLICE_CHICKEN1, |
| 942 | GEN9_RHWO_OPTIMIZATION_DISABLE); |
| 943 | WA_SET_BIT_MASKED(GEN9_SLICE_COMMON_ECO_CHICKEN0, |
| 944 | DISABLE_PIXEL_MASK_CAMMING); |
| 945 | } |
| 946 | |
Nick Hoath | 27a1b68 | 2015-05-07 14:15:33 +0100 | [diff] [blame] | 947 | if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) >= SKL_REVID_C0) || |
| 948 | IS_BROXTON(dev)) { |
| 949 | /* WaEnableYV12BugFixInHalfSliceChicken7:skl,bxt */ |
Nick Hoath | cac23df | 2015-02-05 10:47:22 +0000 | [diff] [blame] | 950 | WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7, |
| 951 | GEN9_ENABLE_YV12_BUGFIX); |
| 952 | } |
| 953 | |
Nick Hoath | 5068368 | 2015-05-07 14:15:35 +0100 | [diff] [blame] | 954 | /* Wa4x4STCOptimizationDisable:skl,bxt */ |
Hoath, Nicholas | 1840481 | 2015-02-05 10:47:23 +0000 | [diff] [blame] | 955 | WA_SET_BIT_MASKED(CACHE_MODE_1, GEN8_4x4_STC_OPTIMIZATION_DISABLE); |
| 956 | |
Nick Hoath | 27160c9 | 2015-05-07 14:15:36 +0100 | [diff] [blame] | 957 | /* WaDisablePartialResolveInVc:skl,bxt */ |
Damien Lespiau | 9370cd9 | 2015-02-09 19:33:17 +0000 | [diff] [blame] | 958 | WA_SET_BIT_MASKED(CACHE_MODE_1, GEN9_PARTIAL_RESOLVE_IN_VC_DISABLE); |
| 959 | |
Nick Hoath | 16be17a | 2015-05-07 14:15:37 +0100 | [diff] [blame] | 960 | /* WaCcsTlbPrefetchDisable:skl,bxt */ |
Damien Lespiau | e2db707 | 2015-02-09 19:33:21 +0000 | [diff] [blame] | 961 | WA_CLR_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN5, |
| 962 | GEN9_CCS_TLB_PREFETCH_ENABLE); |
| 963 | |
Imre Deak | 5a2ae95 | 2015-05-19 15:04:59 +0300 | [diff] [blame] | 964 | /* WaDisableMaskBasedCammingInRCC:skl,bxt */ |
| 965 | if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) == SKL_REVID_C0) || |
| 966 | (IS_BROXTON(dev) && INTEL_REVID(dev) < BXT_REVID_B0)) |
Ben Widawsky | 38a39a7 | 2015-03-11 10:54:53 +0200 | [diff] [blame] | 967 | WA_SET_BIT_MASKED(SLICE_ECO_CHICKEN0, |
| 968 | PIXEL_MASK_CAMMING_DISABLE); |
| 969 | |
Imre Deak | 8ea6f89 | 2015-05-19 17:05:42 +0300 | [diff] [blame] | 970 | /* WaForceContextSaveRestoreNonCoherent:skl,bxt */ |
| 971 | tmp = HDC_FORCE_CONTEXT_SAVE_RESTORE_NON_COHERENT; |
| 972 | if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) == SKL_REVID_F0) || |
| 973 | (IS_BROXTON(dev) && INTEL_REVID(dev) >= BXT_REVID_B0)) |
| 974 | tmp |= HDC_FORCE_CSR_NON_COHERENT_OVR_DISABLE; |
| 975 | WA_SET_BIT_MASKED(HDC_CHICKEN0, tmp); |
| 976 | |
Hoath, Nicholas | 3b10653 | 2015-02-05 10:47:16 +0000 | [diff] [blame] | 977 | return 0; |
| 978 | } |
| 979 | |
Damien Lespiau | b766879 | 2015-02-14 18:30:29 +0000 | [diff] [blame] | 980 | static int skl_tune_iz_hashing(struct intel_engine_cs *ring) |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 981 | { |
Damien Lespiau | b766879 | 2015-02-14 18:30:29 +0000 | [diff] [blame] | 982 | struct drm_device *dev = ring->dev; |
| 983 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 984 | u8 vals[3] = { 0, 0, 0 }; |
| 985 | unsigned int i; |
| 986 | |
| 987 | for (i = 0; i < 3; i++) { |
| 988 | u8 ss; |
| 989 | |
| 990 | /* |
| 991 | * Only consider slices where one, and only one, subslice has 7 |
| 992 | * EUs |
| 993 | */ |
| 994 | if (hweight8(dev_priv->info.subslice_7eu[i]) != 1) |
| 995 | continue; |
| 996 | |
| 997 | /* |
| 998 | * subslice_7eu[i] != 0 (because of the check above) and |
| 999 | * ss_max == 4 (maximum number of subslices possible per slice) |
| 1000 | * |
| 1001 | * -> 0 <= ss <= 3; |
| 1002 | */ |
| 1003 | ss = ffs(dev_priv->info.subslice_7eu[i]) - 1; |
| 1004 | vals[i] = 3 - ss; |
| 1005 | } |
| 1006 | |
| 1007 | if (vals[0] == 0 && vals[1] == 0 && vals[2] == 0) |
| 1008 | return 0; |
| 1009 | |
| 1010 | /* Tune IZ hashing. See intel_device_info_runtime_init() */ |
| 1011 | WA_SET_FIELD_MASKED(GEN7_GT_MODE, |
| 1012 | GEN9_IZ_HASHING_MASK(2) | |
| 1013 | GEN9_IZ_HASHING_MASK(1) | |
| 1014 | GEN9_IZ_HASHING_MASK(0), |
| 1015 | GEN9_IZ_HASHING(2, vals[2]) | |
| 1016 | GEN9_IZ_HASHING(1, vals[1]) | |
| 1017 | GEN9_IZ_HASHING(0, vals[0])); |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 1018 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 1019 | return 0; |
| 1020 | } |
| 1021 | |
Damien Lespiau | b766879 | 2015-02-14 18:30:29 +0000 | [diff] [blame] | 1022 | |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 1023 | static int skl_init_workarounds(struct intel_engine_cs *ring) |
| 1024 | { |
Damien Lespiau | d0bbbc4 | 2015-02-09 19:33:16 +0000 | [diff] [blame] | 1025 | struct drm_device *dev = ring->dev; |
| 1026 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1027 | |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 1028 | gen9_init_workarounds(ring); |
| 1029 | |
Damien Lespiau | d0bbbc4 | 2015-02-09 19:33:16 +0000 | [diff] [blame] | 1030 | /* WaDisablePowerCompilerClockGating:skl */ |
| 1031 | if (INTEL_REVID(dev) == SKL_REVID_B0) |
| 1032 | WA_SET_BIT_MASKED(HIZ_CHICKEN, |
| 1033 | BDW_HIZ_POWER_COMPILER_CLOCK_GATING_DISABLE); |
| 1034 | |
Nick Hoath | b62adbd | 2015-05-07 14:15:34 +0100 | [diff] [blame] | 1035 | if (INTEL_REVID(dev) <= SKL_REVID_D0) { |
| 1036 | /* |
| 1037 | *Use Force Non-Coherent whenever executing a 3D context. This |
| 1038 | * is a workaround for a possible hang in the unlikely event |
| 1039 | * a TLB invalidation occurs during a PSD flush. |
| 1040 | */ |
| 1041 | /* WaForceEnableNonCoherent:skl */ |
| 1042 | WA_SET_BIT_MASKED(HDC_CHICKEN0, |
| 1043 | HDC_FORCE_NON_COHERENT); |
| 1044 | } |
| 1045 | |
Ville Syrjälä | 5b6fd12 | 2015-06-02 15:37:35 +0300 | [diff] [blame] | 1046 | if (INTEL_REVID(dev) == SKL_REVID_C0 || |
| 1047 | INTEL_REVID(dev) == SKL_REVID_D0) |
| 1048 | /* WaBarrierPerformanceFixDisable:skl */ |
| 1049 | WA_SET_BIT_MASKED(HDC_CHICKEN0, |
| 1050 | HDC_FENCE_DEST_SLM_DISABLE | |
| 1051 | HDC_BARRIER_PERFORMANCE_DISABLE); |
| 1052 | |
Damien Lespiau | b766879 | 2015-02-14 18:30:29 +0000 | [diff] [blame] | 1053 | return skl_tune_iz_hashing(ring); |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 1054 | } |
| 1055 | |
Nick Hoath | cae0437 | 2015-03-17 11:39:38 +0200 | [diff] [blame] | 1056 | static int bxt_init_workarounds(struct intel_engine_cs *ring) |
| 1057 | { |
Nick Hoath | dfb601e | 2015-04-10 13:12:24 +0100 | [diff] [blame] | 1058 | struct drm_device *dev = ring->dev; |
| 1059 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1060 | |
Nick Hoath | cae0437 | 2015-03-17 11:39:38 +0200 | [diff] [blame] | 1061 | gen9_init_workarounds(ring); |
| 1062 | |
Nick Hoath | dfb601e | 2015-04-10 13:12:24 +0100 | [diff] [blame] | 1063 | /* WaDisableThreadStallDopClockGating:bxt */ |
| 1064 | WA_SET_BIT_MASKED(GEN8_ROW_CHICKEN, |
| 1065 | STALL_DOP_GATING_DISABLE); |
| 1066 | |
Nick Hoath | 983b4b9 | 2015-04-10 13:12:25 +0100 | [diff] [blame] | 1067 | /* WaDisableSbeCacheDispatchPortSharing:bxt */ |
| 1068 | if (INTEL_REVID(dev) <= BXT_REVID_B0) { |
| 1069 | WA_SET_BIT_MASKED( |
| 1070 | GEN7_HALF_SLICE_CHICKEN1, |
| 1071 | GEN7_SBE_SS_CACHE_DISPATCH_PORT_SHARING_DISABLE); |
| 1072 | } |
| 1073 | |
Nick Hoath | cae0437 | 2015-03-17 11:39:38 +0200 | [diff] [blame] | 1074 | return 0; |
| 1075 | } |
| 1076 | |
Michel Thierry | 771b9a5 | 2014-11-11 16:47:33 +0000 | [diff] [blame] | 1077 | int init_workarounds_ring(struct intel_engine_cs *ring) |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 1078 | { |
| 1079 | struct drm_device *dev = ring->dev; |
| 1080 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1081 | |
| 1082 | WARN_ON(ring->id != RCS); |
| 1083 | |
| 1084 | dev_priv->workarounds.count = 0; |
| 1085 | |
| 1086 | if (IS_BROADWELL(dev)) |
| 1087 | return bdw_init_workarounds(ring); |
| 1088 | |
| 1089 | if (IS_CHERRYVIEW(dev)) |
| 1090 | return chv_init_workarounds(ring); |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 1091 | |
Damien Lespiau | 8d20549 | 2015-02-09 19:33:15 +0000 | [diff] [blame] | 1092 | if (IS_SKYLAKE(dev)) |
| 1093 | return skl_init_workarounds(ring); |
Nick Hoath | cae0437 | 2015-03-17 11:39:38 +0200 | [diff] [blame] | 1094 | |
| 1095 | if (IS_BROXTON(dev)) |
| 1096 | return bxt_init_workarounds(ring); |
Hoath, Nicholas | 3b10653 | 2015-02-05 10:47:16 +0000 | [diff] [blame] | 1097 | |
Ville Syrjälä | 00e1e62 | 2014-08-27 17:33:12 +0300 | [diff] [blame] | 1098 | return 0; |
| 1099 | } |
| 1100 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1101 | static int init_render_ring(struct intel_engine_cs *ring) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1102 | { |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1103 | struct drm_device *dev = ring->dev; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1104 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1105 | int ret = init_ring_common(ring); |
Konrad Zapalowicz | 9c33baa | 2014-06-19 19:07:15 +0200 | [diff] [blame] | 1106 | if (ret) |
| 1107 | return ret; |
Zhenyu Wang | a69ffdb | 2010-08-30 16:12:42 +0800 | [diff] [blame] | 1108 | |
Akash Goel | 61a563a | 2014-03-25 18:01:50 +0530 | [diff] [blame] | 1109 | /* WaTimedSingleVertexDispatch:cl,bw,ctg,elk,ilk,snb */ |
| 1110 | if (INTEL_INFO(dev)->gen >= 4 && INTEL_INFO(dev)->gen < 7) |
Daniel Vetter | 6b26c86 | 2012-04-24 14:04:12 +0200 | [diff] [blame] | 1111 | I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(VS_TIMER_DISPATCH)); |
Chris Wilson | 1c8c38c | 2013-01-20 16:11:20 +0000 | [diff] [blame] | 1112 | |
| 1113 | /* We need to disable the AsyncFlip performance optimisations in order |
| 1114 | * to use MI_WAIT_FOR_EVENT within the CS. It should already be |
| 1115 | * programmed to '1' on all products. |
Damien Lespiau | 8693a82 | 2013-05-03 18:48:11 +0100 | [diff] [blame] | 1116 | * |
Ville Syrjälä | 2441f87 | 2015-06-02 15:37:37 +0300 | [diff] [blame] | 1117 | * WaDisableAsyncFlipPerfMode:snb,ivb,hsw,vlv |
Chris Wilson | 1c8c38c | 2013-01-20 16:11:20 +0000 | [diff] [blame] | 1118 | */ |
Ville Syrjälä | 2441f87 | 2015-06-02 15:37:37 +0300 | [diff] [blame] | 1119 | if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) |
Chris Wilson | 1c8c38c | 2013-01-20 16:11:20 +0000 | [diff] [blame] | 1120 | I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE)); |
| 1121 | |
Chris Wilson | f05bb0c | 2013-01-20 16:33:32 +0000 | [diff] [blame] | 1122 | /* Required for the hardware to program scanline values for waiting */ |
Akash Goel | 01fa030 | 2014-03-24 23:00:04 +0530 | [diff] [blame] | 1123 | /* WaEnableFlushTlbInvalidationMode:snb */ |
Chris Wilson | f05bb0c | 2013-01-20 16:33:32 +0000 | [diff] [blame] | 1124 | if (INTEL_INFO(dev)->gen == 6) |
| 1125 | I915_WRITE(GFX_MODE, |
Chris Wilson | aa83e30 | 2014-03-21 17:18:54 +0000 | [diff] [blame] | 1126 | _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT)); |
Chris Wilson | f05bb0c | 2013-01-20 16:33:32 +0000 | [diff] [blame] | 1127 | |
Akash Goel | 01fa030 | 2014-03-24 23:00:04 +0530 | [diff] [blame] | 1128 | /* WaBCSVCSTlbInvalidationMode:ivb,vlv,hsw */ |
Chris Wilson | 1c8c38c | 2013-01-20 16:11:20 +0000 | [diff] [blame] | 1129 | if (IS_GEN7(dev)) |
| 1130 | I915_WRITE(GFX_MODE_GEN7, |
Akash Goel | 01fa030 | 2014-03-24 23:00:04 +0530 | [diff] [blame] | 1131 | _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_EXPLICIT) | |
Chris Wilson | 1c8c38c | 2013-01-20 16:11:20 +0000 | [diff] [blame] | 1132 | _MASKED_BIT_ENABLE(GFX_REPLAY_MODE)); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1133 | |
Daniel Vetter | 5e13a0c | 2012-05-08 13:39:59 +0200 | [diff] [blame] | 1134 | if (IS_GEN6(dev)) { |
Kenneth Graunke | 3a69ddd | 2012-04-27 12:44:41 -0700 | [diff] [blame] | 1135 | /* From the Sandybridge PRM, volume 1 part 3, page 24: |
| 1136 | * "If this bit is set, STCunit will have LRA as replacement |
| 1137 | * policy. [...] This bit must be reset. LRA replacement |
| 1138 | * policy is not supported." |
| 1139 | */ |
| 1140 | I915_WRITE(CACHE_MODE_0, |
Daniel Vetter | 5e13a0c | 2012-05-08 13:39:59 +0200 | [diff] [blame] | 1141 | _MASKED_BIT_DISABLE(CM0_STC_EVICT_DISABLE_LRA_SNB)); |
Ben Widawsky | 84f9f93 | 2011-12-12 19:21:58 -0800 | [diff] [blame] | 1142 | } |
| 1143 | |
Ville Syrjälä | 9cc8302 | 2015-06-02 15:37:36 +0300 | [diff] [blame] | 1144 | if (INTEL_INFO(dev)->gen >= 6 && INTEL_INFO(dev)->gen < 8) |
Daniel Vetter | 6b26c86 | 2012-04-24 14:04:12 +0200 | [diff] [blame] | 1145 | I915_WRITE(INSTPM, _MASKED_BIT_ENABLE(INSTPM_FORCE_ORDERING)); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1146 | |
Ben Widawsky | 040d2ba | 2013-09-19 11:01:40 -0700 | [diff] [blame] | 1147 | if (HAS_L3_DPF(dev)) |
Ben Widawsky | 35a85ac | 2013-09-19 11:13:41 -0700 | [diff] [blame] | 1148 | I915_WRITE_IMR(ring, ~GT_PARITY_ERROR(dev)); |
Ben Widawsky | 15b9f80 | 2012-05-25 16:56:23 -0700 | [diff] [blame] | 1149 | |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 1150 | return init_workarounds_ring(ring); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1151 | } |
| 1152 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1153 | static void render_ring_cleanup(struct intel_engine_cs *ring) |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1154 | { |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1155 | struct drm_device *dev = ring->dev; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1156 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1157 | |
| 1158 | if (dev_priv->semaphore_obj) { |
| 1159 | i915_gem_object_ggtt_unpin(dev_priv->semaphore_obj); |
| 1160 | drm_gem_object_unreference(&dev_priv->semaphore_obj->base); |
| 1161 | dev_priv->semaphore_obj = NULL; |
| 1162 | } |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1163 | |
Oscar Mateo | 9b1136d | 2014-07-24 17:04:24 +0100 | [diff] [blame] | 1164 | intel_fini_pipe_control(ring); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1165 | } |
| 1166 | |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1167 | static int gen8_rcs_signal(struct intel_engine_cs *signaller, |
| 1168 | unsigned int num_dwords) |
| 1169 | { |
| 1170 | #define MBOX_UPDATE_DWORDS 8 |
| 1171 | struct drm_device *dev = signaller->dev; |
| 1172 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1173 | struct intel_engine_cs *waiter; |
| 1174 | int i, ret, num_rings; |
| 1175 | |
| 1176 | num_rings = hweight32(INTEL_INFO(dev)->ring_mask); |
| 1177 | num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS; |
| 1178 | #undef MBOX_UPDATE_DWORDS |
| 1179 | |
| 1180 | ret = intel_ring_begin(signaller, num_dwords); |
| 1181 | if (ret) |
| 1182 | return ret; |
| 1183 | |
| 1184 | for_each_ring(waiter, dev_priv, i) { |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1185 | u32 seqno; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1186 | u64 gtt_offset = signaller->semaphore.signal_ggtt[i]; |
| 1187 | if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID) |
| 1188 | continue; |
| 1189 | |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1190 | seqno = i915_gem_request_get_seqno( |
| 1191 | signaller->outstanding_lazy_request); |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1192 | intel_ring_emit(signaller, GFX_OP_PIPE_CONTROL(6)); |
| 1193 | intel_ring_emit(signaller, PIPE_CONTROL_GLOBAL_GTT_IVB | |
| 1194 | PIPE_CONTROL_QW_WRITE | |
| 1195 | PIPE_CONTROL_FLUSH_ENABLE); |
| 1196 | intel_ring_emit(signaller, lower_32_bits(gtt_offset)); |
| 1197 | intel_ring_emit(signaller, upper_32_bits(gtt_offset)); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1198 | intel_ring_emit(signaller, seqno); |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1199 | intel_ring_emit(signaller, 0); |
| 1200 | intel_ring_emit(signaller, MI_SEMAPHORE_SIGNAL | |
| 1201 | MI_SEMAPHORE_TARGET(waiter->id)); |
| 1202 | intel_ring_emit(signaller, 0); |
| 1203 | } |
| 1204 | |
| 1205 | return 0; |
| 1206 | } |
| 1207 | |
| 1208 | static int gen8_xcs_signal(struct intel_engine_cs *signaller, |
| 1209 | unsigned int num_dwords) |
| 1210 | { |
| 1211 | #define MBOX_UPDATE_DWORDS 6 |
| 1212 | struct drm_device *dev = signaller->dev; |
| 1213 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1214 | struct intel_engine_cs *waiter; |
| 1215 | int i, ret, num_rings; |
| 1216 | |
| 1217 | num_rings = hweight32(INTEL_INFO(dev)->ring_mask); |
| 1218 | num_dwords += (num_rings-1) * MBOX_UPDATE_DWORDS; |
| 1219 | #undef MBOX_UPDATE_DWORDS |
| 1220 | |
| 1221 | ret = intel_ring_begin(signaller, num_dwords); |
| 1222 | if (ret) |
| 1223 | return ret; |
| 1224 | |
| 1225 | for_each_ring(waiter, dev_priv, i) { |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1226 | u32 seqno; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1227 | u64 gtt_offset = signaller->semaphore.signal_ggtt[i]; |
| 1228 | if (gtt_offset == MI_SEMAPHORE_SYNC_INVALID) |
| 1229 | continue; |
| 1230 | |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1231 | seqno = i915_gem_request_get_seqno( |
| 1232 | signaller->outstanding_lazy_request); |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1233 | intel_ring_emit(signaller, (MI_FLUSH_DW + 1) | |
| 1234 | MI_FLUSH_DW_OP_STOREDW); |
| 1235 | intel_ring_emit(signaller, lower_32_bits(gtt_offset) | |
| 1236 | MI_FLUSH_DW_USE_GTT); |
| 1237 | intel_ring_emit(signaller, upper_32_bits(gtt_offset)); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1238 | intel_ring_emit(signaller, seqno); |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 1239 | intel_ring_emit(signaller, MI_SEMAPHORE_SIGNAL | |
| 1240 | MI_SEMAPHORE_TARGET(waiter->id)); |
| 1241 | intel_ring_emit(signaller, 0); |
| 1242 | } |
| 1243 | |
| 1244 | return 0; |
| 1245 | } |
| 1246 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1247 | static int gen6_signal(struct intel_engine_cs *signaller, |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1248 | unsigned int num_dwords) |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1249 | { |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1250 | struct drm_device *dev = signaller->dev; |
| 1251 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1252 | struct intel_engine_cs *useless; |
Ben Widawsky | a1444b7 | 2014-06-30 09:53:35 -0700 | [diff] [blame] | 1253 | int i, ret, num_rings; |
Ben Widawsky | 78325f2 | 2014-04-29 14:52:29 -0700 | [diff] [blame] | 1254 | |
Ben Widawsky | a1444b7 | 2014-06-30 09:53:35 -0700 | [diff] [blame] | 1255 | #define MBOX_UPDATE_DWORDS 3 |
| 1256 | num_rings = hweight32(INTEL_INFO(dev)->ring_mask); |
| 1257 | num_dwords += round_up((num_rings-1) * MBOX_UPDATE_DWORDS, 2); |
| 1258 | #undef MBOX_UPDATE_DWORDS |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1259 | |
| 1260 | ret = intel_ring_begin(signaller, num_dwords); |
| 1261 | if (ret) |
| 1262 | return ret; |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1263 | |
Ben Widawsky | 78325f2 | 2014-04-29 14:52:29 -0700 | [diff] [blame] | 1264 | for_each_ring(useless, dev_priv, i) { |
| 1265 | u32 mbox_reg = signaller->semaphore.mbox.signal[i]; |
| 1266 | if (mbox_reg != GEN6_NOSYNC) { |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1267 | u32 seqno = i915_gem_request_get_seqno( |
| 1268 | signaller->outstanding_lazy_request); |
Ben Widawsky | 78325f2 | 2014-04-29 14:52:29 -0700 | [diff] [blame] | 1269 | intel_ring_emit(signaller, MI_LOAD_REGISTER_IMM(1)); |
| 1270 | intel_ring_emit(signaller, mbox_reg); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1271 | intel_ring_emit(signaller, seqno); |
Ben Widawsky | 78325f2 | 2014-04-29 14:52:29 -0700 | [diff] [blame] | 1272 | } |
| 1273 | } |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1274 | |
Ben Widawsky | a1444b7 | 2014-06-30 09:53:35 -0700 | [diff] [blame] | 1275 | /* If num_dwords was rounded, make sure the tail pointer is correct */ |
| 1276 | if (num_rings % 2 == 0) |
| 1277 | intel_ring_emit(signaller, MI_NOOP); |
| 1278 | |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1279 | return 0; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1280 | } |
| 1281 | |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1282 | /** |
| 1283 | * gen6_add_request - Update the semaphore mailbox registers |
| 1284 | * |
| 1285 | * @ring - ring that is adding a request |
| 1286 | * @seqno - return seqno stuck into the ring |
| 1287 | * |
| 1288 | * Update the mailbox registers in the *other* rings with the current seqno. |
| 1289 | * This acts like a signal in the canonical semaphore. |
| 1290 | */ |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1291 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1292 | gen6_add_request(struct intel_engine_cs *ring) |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1293 | { |
Ben Widawsky | 024a43e | 2014-04-29 14:52:30 -0700 | [diff] [blame] | 1294 | int ret; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1295 | |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 1296 | if (ring->semaphore.signal) |
| 1297 | ret = ring->semaphore.signal(ring, 4); |
| 1298 | else |
| 1299 | ret = intel_ring_begin(ring, 4); |
| 1300 | |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1301 | if (ret) |
| 1302 | return ret; |
| 1303 | |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1304 | intel_ring_emit(ring, MI_STORE_DWORD_INDEX); |
| 1305 | intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1306 | intel_ring_emit(ring, |
| 1307 | i915_gem_request_get_seqno(ring->outstanding_lazy_request)); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1308 | intel_ring_emit(ring, MI_USER_INTERRUPT); |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 1309 | __intel_ring_advance(ring); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1310 | |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1311 | return 0; |
| 1312 | } |
| 1313 | |
Mika Kuoppala | f72b343 | 2012-12-10 15:41:48 +0200 | [diff] [blame] | 1314 | static inline bool i915_gem_has_seqno_wrapped(struct drm_device *dev, |
| 1315 | u32 seqno) |
| 1316 | { |
| 1317 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1318 | return dev_priv->last_seqno < seqno; |
| 1319 | } |
| 1320 | |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1321 | /** |
| 1322 | * intel_ring_sync - sync the waiter to the signaller on seqno |
| 1323 | * |
| 1324 | * @waiter - ring that is waiting |
| 1325 | * @signaller - ring which has, or will signal |
| 1326 | * @seqno - seqno which the waiter will block on |
| 1327 | */ |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 1328 | |
| 1329 | static int |
| 1330 | gen8_ring_sync(struct intel_engine_cs *waiter, |
| 1331 | struct intel_engine_cs *signaller, |
| 1332 | u32 seqno) |
| 1333 | { |
| 1334 | struct drm_i915_private *dev_priv = waiter->dev->dev_private; |
| 1335 | int ret; |
| 1336 | |
| 1337 | ret = intel_ring_begin(waiter, 4); |
| 1338 | if (ret) |
| 1339 | return ret; |
| 1340 | |
| 1341 | intel_ring_emit(waiter, MI_SEMAPHORE_WAIT | |
| 1342 | MI_SEMAPHORE_GLOBAL_GTT | |
Ben Widawsky | bae4fcd | 2014-06-30 09:53:43 -0700 | [diff] [blame] | 1343 | MI_SEMAPHORE_POLL | |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 1344 | MI_SEMAPHORE_SAD_GTE_SDD); |
| 1345 | intel_ring_emit(waiter, seqno); |
| 1346 | intel_ring_emit(waiter, |
| 1347 | lower_32_bits(GEN8_WAIT_OFFSET(waiter, signaller->id))); |
| 1348 | intel_ring_emit(waiter, |
| 1349 | upper_32_bits(GEN8_WAIT_OFFSET(waiter, signaller->id))); |
| 1350 | intel_ring_advance(waiter); |
| 1351 | return 0; |
| 1352 | } |
| 1353 | |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1354 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1355 | gen6_ring_sync(struct intel_engine_cs *waiter, |
| 1356 | struct intel_engine_cs *signaller, |
Daniel Vetter | 686cb5f | 2012-04-11 22:12:52 +0200 | [diff] [blame] | 1357 | u32 seqno) |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1358 | { |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1359 | u32 dw1 = MI_SEMAPHORE_MBOX | |
| 1360 | MI_SEMAPHORE_COMPARE | |
| 1361 | MI_SEMAPHORE_REGISTER; |
Ben Widawsky | ebc348b | 2014-04-29 14:52:28 -0700 | [diff] [blame] | 1362 | u32 wait_mbox = signaller->semaphore.mbox.wait[waiter->id]; |
| 1363 | int ret; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1364 | |
Ben Widawsky | 1500f7e | 2012-04-11 11:18:21 -0700 | [diff] [blame] | 1365 | /* Throughout all of the GEM code, seqno passed implies our current |
| 1366 | * seqno is >= the last seqno executed. However for hardware the |
| 1367 | * comparison is strictly greater than. |
| 1368 | */ |
| 1369 | seqno -= 1; |
| 1370 | |
Ben Widawsky | ebc348b | 2014-04-29 14:52:28 -0700 | [diff] [blame] | 1371 | WARN_ON(wait_mbox == MI_SEMAPHORE_SYNC_INVALID); |
Daniel Vetter | 686cb5f | 2012-04-11 22:12:52 +0200 | [diff] [blame] | 1372 | |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1373 | ret = intel_ring_begin(waiter, 4); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1374 | if (ret) |
| 1375 | return ret; |
| 1376 | |
Mika Kuoppala | f72b343 | 2012-12-10 15:41:48 +0200 | [diff] [blame] | 1377 | /* If seqno wrap happened, omit the wait with no-ops */ |
| 1378 | if (likely(!i915_gem_has_seqno_wrapped(waiter->dev, seqno))) { |
Ben Widawsky | ebc348b | 2014-04-29 14:52:28 -0700 | [diff] [blame] | 1379 | intel_ring_emit(waiter, dw1 | wait_mbox); |
Mika Kuoppala | f72b343 | 2012-12-10 15:41:48 +0200 | [diff] [blame] | 1380 | intel_ring_emit(waiter, seqno); |
| 1381 | intel_ring_emit(waiter, 0); |
| 1382 | intel_ring_emit(waiter, MI_NOOP); |
| 1383 | } else { |
| 1384 | intel_ring_emit(waiter, MI_NOOP); |
| 1385 | intel_ring_emit(waiter, MI_NOOP); |
| 1386 | intel_ring_emit(waiter, MI_NOOP); |
| 1387 | intel_ring_emit(waiter, MI_NOOP); |
| 1388 | } |
Ben Widawsky | c8c99b0 | 2011-09-14 20:32:47 -0700 | [diff] [blame] | 1389 | intel_ring_advance(waiter); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1390 | |
| 1391 | return 0; |
| 1392 | } |
| 1393 | |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1394 | #define PIPE_CONTROL_FLUSH(ring__, addr__) \ |
| 1395 | do { \ |
Kenneth Graunke | fcbc34e | 2011-10-11 23:41:08 +0200 | [diff] [blame] | 1396 | intel_ring_emit(ring__, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE | \ |
| 1397 | PIPE_CONTROL_DEPTH_STALL); \ |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1398 | intel_ring_emit(ring__, (addr__) | PIPE_CONTROL_GLOBAL_GTT); \ |
| 1399 | intel_ring_emit(ring__, 0); \ |
| 1400 | intel_ring_emit(ring__, 0); \ |
| 1401 | } while (0) |
| 1402 | |
| 1403 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1404 | pc_render_add_request(struct intel_engine_cs *ring) |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1405 | { |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1406 | u32 scratch_addr = ring->scratch.gtt_offset + 2 * CACHELINE_BYTES; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1407 | int ret; |
| 1408 | |
| 1409 | /* For Ironlake, MI_USER_INTERRUPT was deprecated and apparently |
| 1410 | * incoherent with writes to memory, i.e. completely fubar, |
| 1411 | * so we need to use PIPE_NOTIFY instead. |
| 1412 | * |
| 1413 | * However, we also need to workaround the qword write |
| 1414 | * incoherence by flushing the 6 PIPE_NOTIFY buffers out to |
| 1415 | * memory before requesting an interrupt. |
| 1416 | */ |
| 1417 | ret = intel_ring_begin(ring, 32); |
| 1418 | if (ret) |
| 1419 | return ret; |
| 1420 | |
Kenneth Graunke | fcbc34e | 2011-10-11 23:41:08 +0200 | [diff] [blame] | 1421 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE | |
Kenneth Graunke | 9d971b3 | 2011-10-11 23:41:09 +0200 | [diff] [blame] | 1422 | PIPE_CONTROL_WRITE_FLUSH | |
| 1423 | PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE); |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 1424 | intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1425 | intel_ring_emit(ring, |
| 1426 | i915_gem_request_get_seqno(ring->outstanding_lazy_request)); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1427 | intel_ring_emit(ring, 0); |
| 1428 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1429 | scratch_addr += 2 * CACHELINE_BYTES; /* write to separate cachelines */ |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1430 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1431 | scratch_addr += 2 * CACHELINE_BYTES; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1432 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1433 | scratch_addr += 2 * CACHELINE_BYTES; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1434 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1435 | scratch_addr += 2 * CACHELINE_BYTES; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1436 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 1437 | scratch_addr += 2 * CACHELINE_BYTES; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1438 | PIPE_CONTROL_FLUSH(ring, scratch_addr); |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 1439 | |
Kenneth Graunke | fcbc34e | 2011-10-11 23:41:08 +0200 | [diff] [blame] | 1440 | intel_ring_emit(ring, GFX_OP_PIPE_CONTROL(4) | PIPE_CONTROL_QW_WRITE | |
Kenneth Graunke | 9d971b3 | 2011-10-11 23:41:09 +0200 | [diff] [blame] | 1441 | PIPE_CONTROL_WRITE_FLUSH | |
| 1442 | PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE | |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1443 | PIPE_CONTROL_NOTIFY); |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 1444 | intel_ring_emit(ring, ring->scratch.gtt_offset | PIPE_CONTROL_GLOBAL_GTT); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1445 | intel_ring_emit(ring, |
| 1446 | i915_gem_request_get_seqno(ring->outstanding_lazy_request)); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1447 | intel_ring_emit(ring, 0); |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 1448 | __intel_ring_advance(ring); |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1449 | |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1450 | return 0; |
| 1451 | } |
| 1452 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1453 | static u32 |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1454 | gen6_ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency) |
Daniel Vetter | 4cd53c0 | 2012-12-14 16:01:25 +0100 | [diff] [blame] | 1455 | { |
Daniel Vetter | 4cd53c0 | 2012-12-14 16:01:25 +0100 | [diff] [blame] | 1456 | /* Workaround to force correct ordering between irq and seqno writes on |
| 1457 | * ivb (and maybe also on snb) by reading from a CS register (like |
| 1458 | * ACTHD) before reading the status page. */ |
Chris Wilson | 5087744 | 2014-03-21 12:41:53 +0000 | [diff] [blame] | 1459 | if (!lazy_coherency) { |
| 1460 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
| 1461 | POSTING_READ(RING_ACTHD(ring->mmio_base)); |
| 1462 | } |
| 1463 | |
Daniel Vetter | 4cd53c0 | 2012-12-14 16:01:25 +0100 | [diff] [blame] | 1464 | return intel_read_status_page(ring, I915_GEM_HWS_INDEX); |
| 1465 | } |
| 1466 | |
| 1467 | static u32 |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1468 | ring_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1469 | { |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1470 | return intel_read_status_page(ring, I915_GEM_HWS_INDEX); |
| 1471 | } |
| 1472 | |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 1473 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1474 | ring_set_seqno(struct intel_engine_cs *ring, u32 seqno) |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 1475 | { |
| 1476 | intel_write_status_page(ring, I915_GEM_HWS_INDEX, seqno); |
| 1477 | } |
| 1478 | |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1479 | static u32 |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1480 | pc_render_get_seqno(struct intel_engine_cs *ring, bool lazy_coherency) |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1481 | { |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 1482 | return ring->scratch.cpu_page[0]; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 1483 | } |
| 1484 | |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 1485 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1486 | pc_render_set_seqno(struct intel_engine_cs *ring, u32 seqno) |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 1487 | { |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 1488 | ring->scratch.cpu_page[0] = seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 1489 | } |
| 1490 | |
Chris Wilson | b13c2b9 | 2010-12-13 16:54:50 +0000 | [diff] [blame] | 1491 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1492 | gen5_ring_get_irq(struct intel_engine_cs *ring) |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1493 | { |
| 1494 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1495 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1496 | unsigned long flags; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1497 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1498 | if (WARN_ON(!intel_irqs_enabled(dev_priv))) |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1499 | return false; |
| 1500 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1501 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Paulo Zanoni | 43eaea1 | 2013-08-06 18:57:12 -0300 | [diff] [blame] | 1502 | if (ring->irq_refcount++ == 0) |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1503 | gen5_enable_gt_irq(dev_priv, ring->irq_enable_mask); |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1504 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1505 | |
| 1506 | return true; |
| 1507 | } |
| 1508 | |
| 1509 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1510 | gen5_ring_put_irq(struct intel_engine_cs *ring) |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1511 | { |
| 1512 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1513 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1514 | unsigned long flags; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1515 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1516 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Paulo Zanoni | 43eaea1 | 2013-08-06 18:57:12 -0300 | [diff] [blame] | 1517 | if (--ring->irq_refcount == 0) |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1518 | gen5_disable_gt_irq(dev_priv, ring->irq_enable_mask); |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1519 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 1520 | } |
| 1521 | |
| 1522 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1523 | i9xx_ring_get_irq(struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1524 | { |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1525 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1526 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1527 | unsigned long flags; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1528 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1529 | if (!intel_irqs_enabled(dev_priv)) |
Chris Wilson | b13c2b9 | 2010-12-13 16:54:50 +0000 | [diff] [blame] | 1530 | return false; |
| 1531 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1532 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1533 | if (ring->irq_refcount++ == 0) { |
Daniel Vetter | f637fde | 2012-04-11 22:12:59 +0200 | [diff] [blame] | 1534 | dev_priv->irq_mask &= ~ring->irq_enable_mask; |
| 1535 | I915_WRITE(IMR, dev_priv->irq_mask); |
| 1536 | POSTING_READ(IMR); |
| 1537 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1538 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Chris Wilson | b13c2b9 | 2010-12-13 16:54:50 +0000 | [diff] [blame] | 1539 | |
| 1540 | return true; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1541 | } |
| 1542 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1543 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1544 | i9xx_ring_put_irq(struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1545 | { |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1546 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1547 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1548 | unsigned long flags; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1549 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1550 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1551 | if (--ring->irq_refcount == 0) { |
Daniel Vetter | f637fde | 2012-04-11 22:12:59 +0200 | [diff] [blame] | 1552 | dev_priv->irq_mask |= ring->irq_enable_mask; |
| 1553 | I915_WRITE(IMR, dev_priv->irq_mask); |
| 1554 | POSTING_READ(IMR); |
| 1555 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1556 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1557 | } |
| 1558 | |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1559 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1560 | i8xx_ring_get_irq(struct intel_engine_cs *ring) |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1561 | { |
| 1562 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1563 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1564 | unsigned long flags; |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1565 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1566 | if (!intel_irqs_enabled(dev_priv)) |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1567 | return false; |
| 1568 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1569 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1570 | if (ring->irq_refcount++ == 0) { |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1571 | dev_priv->irq_mask &= ~ring->irq_enable_mask; |
| 1572 | I915_WRITE16(IMR, dev_priv->irq_mask); |
| 1573 | POSTING_READ16(IMR); |
| 1574 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1575 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1576 | |
| 1577 | return true; |
| 1578 | } |
| 1579 | |
| 1580 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1581 | i8xx_ring_put_irq(struct intel_engine_cs *ring) |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1582 | { |
| 1583 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1584 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1585 | unsigned long flags; |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1586 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1587 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1588 | if (--ring->irq_refcount == 0) { |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1589 | dev_priv->irq_mask |= ring->irq_enable_mask; |
| 1590 | I915_WRITE16(IMR, dev_priv->irq_mask); |
| 1591 | POSTING_READ16(IMR); |
| 1592 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1593 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 1594 | } |
| 1595 | |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 1596 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1597 | bsd_ring_flush(struct intel_engine_cs *ring, |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1598 | u32 invalidate_domains, |
| 1599 | u32 flush_domains) |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1600 | { |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 1601 | int ret; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1602 | |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 1603 | ret = intel_ring_begin(ring, 2); |
| 1604 | if (ret) |
| 1605 | return ret; |
| 1606 | |
| 1607 | intel_ring_emit(ring, MI_FLUSH); |
| 1608 | intel_ring_emit(ring, MI_NOOP); |
| 1609 | intel_ring_advance(ring); |
| 1610 | return 0; |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1611 | } |
| 1612 | |
Chris Wilson | 3cce469 | 2010-10-27 16:11:02 +0100 | [diff] [blame] | 1613 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1614 | i9xx_add_request(struct intel_engine_cs *ring) |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1615 | { |
Chris Wilson | 3cce469 | 2010-10-27 16:11:02 +0100 | [diff] [blame] | 1616 | int ret; |
| 1617 | |
| 1618 | ret = intel_ring_begin(ring, 4); |
| 1619 | if (ret) |
| 1620 | return ret; |
Chris Wilson | 6f392d548 | 2010-08-07 11:01:22 +0100 | [diff] [blame] | 1621 | |
Chris Wilson | 3cce469 | 2010-10-27 16:11:02 +0100 | [diff] [blame] | 1622 | intel_ring_emit(ring, MI_STORE_DWORD_INDEX); |
| 1623 | intel_ring_emit(ring, I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 1624 | intel_ring_emit(ring, |
| 1625 | i915_gem_request_get_seqno(ring->outstanding_lazy_request)); |
Chris Wilson | 3cce469 | 2010-10-27 16:11:02 +0100 | [diff] [blame] | 1626 | intel_ring_emit(ring, MI_USER_INTERRUPT); |
Chris Wilson | 0924673 | 2013-08-10 22:16:32 +0100 | [diff] [blame] | 1627 | __intel_ring_advance(ring); |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1628 | |
Chris Wilson | 3cce469 | 2010-10-27 16:11:02 +0100 | [diff] [blame] | 1629 | return 0; |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1630 | } |
| 1631 | |
Chris Wilson | b13c2b9 | 2010-12-13 16:54:50 +0000 | [diff] [blame] | 1632 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1633 | gen6_ring_get_irq(struct intel_engine_cs *ring) |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1634 | { |
| 1635 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1636 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1637 | unsigned long flags; |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1638 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1639 | if (WARN_ON(!intel_irqs_enabled(dev_priv))) |
| 1640 | return false; |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1641 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1642 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1643 | if (ring->irq_refcount++ == 0) { |
Ben Widawsky | 040d2ba | 2013-09-19 11:01:40 -0700 | [diff] [blame] | 1644 | if (HAS_L3_DPF(dev) && ring->id == RCS) |
Ben Widawsky | cc609d5 | 2013-05-28 19:22:29 -0700 | [diff] [blame] | 1645 | I915_WRITE_IMR(ring, |
| 1646 | ~(ring->irq_enable_mask | |
Ben Widawsky | 35a85ac | 2013-09-19 11:13:41 -0700 | [diff] [blame] | 1647 | GT_PARITY_ERROR(dev))); |
Ben Widawsky | 15b9f80 | 2012-05-25 16:56:23 -0700 | [diff] [blame] | 1648 | else |
| 1649 | I915_WRITE_IMR(ring, ~ring->irq_enable_mask); |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1650 | gen5_enable_gt_irq(dev_priv, ring->irq_enable_mask); |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1651 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1652 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1653 | |
| 1654 | return true; |
| 1655 | } |
| 1656 | |
| 1657 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1658 | gen6_ring_put_irq(struct intel_engine_cs *ring) |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1659 | { |
| 1660 | struct drm_device *dev = ring->dev; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 1661 | struct drm_i915_private *dev_priv = dev->dev_private; |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1662 | unsigned long flags; |
Chris Wilson | 0f46832 | 2011-01-04 17:35:21 +0000 | [diff] [blame] | 1663 | |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1664 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1665 | if (--ring->irq_refcount == 0) { |
Ben Widawsky | 040d2ba | 2013-09-19 11:01:40 -0700 | [diff] [blame] | 1666 | if (HAS_L3_DPF(dev) && ring->id == RCS) |
Ben Widawsky | 35a85ac | 2013-09-19 11:13:41 -0700 | [diff] [blame] | 1667 | I915_WRITE_IMR(ring, ~GT_PARITY_ERROR(dev)); |
Ben Widawsky | 15b9f80 | 2012-05-25 16:56:23 -0700 | [diff] [blame] | 1668 | else |
| 1669 | I915_WRITE_IMR(ring, ~0); |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1670 | gen5_disable_gt_irq(dev_priv, ring->irq_enable_mask); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1671 | } |
Chris Wilson | 7338aef | 2012-04-24 21:48:47 +0100 | [diff] [blame] | 1672 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1675 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1676 | hsw_vebox_get_irq(struct intel_engine_cs *ring) |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1677 | { |
| 1678 | struct drm_device *dev = ring->dev; |
| 1679 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1680 | unsigned long flags; |
| 1681 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1682 | if (WARN_ON(!intel_irqs_enabled(dev_priv))) |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1683 | return false; |
| 1684 | |
Daniel Vetter | 59cdb63 | 2013-07-04 23:35:28 +0200 | [diff] [blame] | 1685 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1686 | if (ring->irq_refcount++ == 0) { |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1687 | I915_WRITE_IMR(ring, ~ring->irq_enable_mask); |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1688 | gen6_enable_pm_irq(dev_priv, ring->irq_enable_mask); |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1689 | } |
Daniel Vetter | 59cdb63 | 2013-07-04 23:35:28 +0200 | [diff] [blame] | 1690 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1691 | |
| 1692 | return true; |
| 1693 | } |
| 1694 | |
| 1695 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1696 | hsw_vebox_put_irq(struct intel_engine_cs *ring) |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1697 | { |
| 1698 | struct drm_device *dev = ring->dev; |
| 1699 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1700 | unsigned long flags; |
| 1701 | |
Daniel Vetter | 59cdb63 | 2013-07-04 23:35:28 +0200 | [diff] [blame] | 1702 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
Daniel Vetter | c7113cc | 2013-07-04 23:35:29 +0200 | [diff] [blame] | 1703 | if (--ring->irq_refcount == 0) { |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1704 | I915_WRITE_IMR(ring, ~0); |
Daniel Vetter | 480c803 | 2014-07-16 09:49:40 +0200 | [diff] [blame] | 1705 | gen6_disable_pm_irq(dev_priv, ring->irq_enable_mask); |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1706 | } |
Daniel Vetter | 59cdb63 | 2013-07-04 23:35:28 +0200 | [diff] [blame] | 1707 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
Ben Widawsky | a19d293 | 2013-05-28 19:22:30 -0700 | [diff] [blame] | 1708 | } |
| 1709 | |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 1710 | static bool |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1711 | gen8_ring_get_irq(struct intel_engine_cs *ring) |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 1712 | { |
| 1713 | struct drm_device *dev = ring->dev; |
| 1714 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1715 | unsigned long flags; |
| 1716 | |
Daniel Vetter | 7cd512f | 2014-09-15 11:38:57 +0200 | [diff] [blame] | 1717 | if (WARN_ON(!intel_irqs_enabled(dev_priv))) |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 1718 | return false; |
| 1719 | |
| 1720 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
| 1721 | if (ring->irq_refcount++ == 0) { |
| 1722 | if (HAS_L3_DPF(dev) && ring->id == RCS) { |
| 1723 | I915_WRITE_IMR(ring, |
| 1724 | ~(ring->irq_enable_mask | |
| 1725 | GT_RENDER_L3_PARITY_ERROR_INTERRUPT)); |
| 1726 | } else { |
| 1727 | I915_WRITE_IMR(ring, ~ring->irq_enable_mask); |
| 1728 | } |
| 1729 | POSTING_READ(RING_IMR(ring->mmio_base)); |
| 1730 | } |
| 1731 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
| 1732 | |
| 1733 | return true; |
| 1734 | } |
| 1735 | |
| 1736 | static void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1737 | gen8_ring_put_irq(struct intel_engine_cs *ring) |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 1738 | { |
| 1739 | struct drm_device *dev = ring->dev; |
| 1740 | struct drm_i915_private *dev_priv = dev->dev_private; |
| 1741 | unsigned long flags; |
| 1742 | |
| 1743 | spin_lock_irqsave(&dev_priv->irq_lock, flags); |
| 1744 | if (--ring->irq_refcount == 0) { |
| 1745 | if (HAS_L3_DPF(dev) && ring->id == RCS) { |
| 1746 | I915_WRITE_IMR(ring, |
| 1747 | ~GT_RENDER_L3_PARITY_ERROR_INTERRUPT); |
| 1748 | } else { |
| 1749 | I915_WRITE_IMR(ring, ~0); |
| 1750 | } |
| 1751 | POSTING_READ(RING_IMR(ring->mmio_base)); |
| 1752 | } |
| 1753 | spin_unlock_irqrestore(&dev_priv->irq_lock, flags); |
| 1754 | } |
| 1755 | |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1756 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1757 | i965_dispatch_execbuffer(struct intel_engine_cs *ring, |
Ben Widawsky | 9bcb144 | 2014-04-28 19:29:25 -0700 | [diff] [blame] | 1758 | u64 offset, u32 length, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1759 | unsigned dispatch_flags) |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1760 | { |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 1761 | int ret; |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1762 | |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 1763 | ret = intel_ring_begin(ring, 2); |
| 1764 | if (ret) |
| 1765 | return ret; |
| 1766 | |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1767 | intel_ring_emit(ring, |
Chris Wilson | 65f5687 | 2012-04-17 16:38:12 +0100 | [diff] [blame] | 1768 | MI_BATCH_BUFFER_START | |
| 1769 | MI_BATCH_GTT | |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1770 | (dispatch_flags & I915_DISPATCH_SECURE ? |
| 1771 | 0 : MI_BATCH_NON_SECURE_I965)); |
Chris Wilson | c4e7a41 | 2010-11-30 14:10:25 +0000 | [diff] [blame] | 1772 | intel_ring_emit(ring, offset); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 1773 | intel_ring_advance(ring); |
| 1774 | |
Zou Nan hai | d1b851f | 2010-05-21 09:08:57 +0800 | [diff] [blame] | 1775 | return 0; |
| 1776 | } |
| 1777 | |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1778 | /* Just userspace ABI convention to limit the wa batch bo to a resonable size */ |
| 1779 | #define I830_BATCH_LIMIT (256*1024) |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1780 | #define I830_TLB_ENTRIES (2) |
| 1781 | #define I830_WA_SIZE max(I830_TLB_ENTRIES*4096, I830_BATCH_LIMIT) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1782 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1783 | i830_dispatch_execbuffer(struct intel_engine_cs *ring, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1784 | u64 offset, u32 len, |
| 1785 | unsigned dispatch_flags) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1786 | { |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1787 | u32 cs_offset = ring->scratch.gtt_offset; |
Chris Wilson | c4e7a41 | 2010-11-30 14:10:25 +0000 | [diff] [blame] | 1788 | int ret; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1789 | |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1790 | ret = intel_ring_begin(ring, 6); |
| 1791 | if (ret) |
| 1792 | return ret; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1793 | |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1794 | /* Evict the invalid PTE TLBs */ |
| 1795 | intel_ring_emit(ring, COLOR_BLT_CMD | BLT_WRITE_RGBA); |
| 1796 | intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_COLOR_COPY | 4096); |
| 1797 | intel_ring_emit(ring, I830_TLB_ENTRIES << 16 | 4); /* load each page */ |
| 1798 | intel_ring_emit(ring, cs_offset); |
| 1799 | intel_ring_emit(ring, 0xdeadbeef); |
| 1800 | intel_ring_emit(ring, MI_NOOP); |
| 1801 | intel_ring_advance(ring); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1802 | |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1803 | if ((dispatch_flags & I915_DISPATCH_PINNED) == 0) { |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1804 | if (len > I830_BATCH_LIMIT) |
| 1805 | return -ENOSPC; |
| 1806 | |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1807 | ret = intel_ring_begin(ring, 6 + 2); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1808 | if (ret) |
| 1809 | return ret; |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1810 | |
| 1811 | /* Blit the batch (which has now all relocs applied) to the |
| 1812 | * stable batch scratch bo area (so that the CS never |
| 1813 | * stumbles over its tlb invalidation bug) ... |
| 1814 | */ |
| 1815 | intel_ring_emit(ring, SRC_COPY_BLT_CMD | BLT_WRITE_RGBA); |
| 1816 | intel_ring_emit(ring, BLT_DEPTH_32 | BLT_ROP_SRC_COPY | 4096); |
Chris Wilson | 611a7a4 | 2014-09-12 07:37:42 +0100 | [diff] [blame] | 1817 | intel_ring_emit(ring, DIV_ROUND_UP(len, 4096) << 16 | 4096); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1818 | intel_ring_emit(ring, cs_offset); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1819 | intel_ring_emit(ring, 4096); |
| 1820 | intel_ring_emit(ring, offset); |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1821 | |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1822 | intel_ring_emit(ring, MI_FLUSH); |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1823 | intel_ring_emit(ring, MI_NOOP); |
| 1824 | intel_ring_advance(ring); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1825 | |
| 1826 | /* ... and execute it. */ |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1827 | offset = cs_offset; |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 1828 | } |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 1829 | |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1830 | ret = intel_ring_begin(ring, 4); |
| 1831 | if (ret) |
| 1832 | return ret; |
| 1833 | |
| 1834 | intel_ring_emit(ring, MI_BATCH_BUFFER); |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1835 | intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ? |
| 1836 | 0 : MI_BATCH_NON_SECURE)); |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 1837 | intel_ring_emit(ring, offset + len - 8); |
| 1838 | intel_ring_emit(ring, MI_NOOP); |
| 1839 | intel_ring_advance(ring); |
| 1840 | |
Daniel Vetter | fb3256d | 2012-04-11 22:12:56 +0200 | [diff] [blame] | 1841 | return 0; |
| 1842 | } |
| 1843 | |
| 1844 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1845 | i915_dispatch_execbuffer(struct intel_engine_cs *ring, |
Ben Widawsky | 9bcb144 | 2014-04-28 19:29:25 -0700 | [diff] [blame] | 1846 | u64 offset, u32 len, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1847 | unsigned dispatch_flags) |
Daniel Vetter | fb3256d | 2012-04-11 22:12:56 +0200 | [diff] [blame] | 1848 | { |
| 1849 | int ret; |
| 1850 | |
| 1851 | ret = intel_ring_begin(ring, 2); |
| 1852 | if (ret) |
| 1853 | return ret; |
| 1854 | |
Chris Wilson | 65f5687 | 2012-04-17 16:38:12 +0100 | [diff] [blame] | 1855 | intel_ring_emit(ring, MI_BATCH_BUFFER_START | MI_BATCH_GTT); |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 1856 | intel_ring_emit(ring, offset | (dispatch_flags & I915_DISPATCH_SECURE ? |
| 1857 | 0 : MI_BATCH_NON_SECURE)); |
Chris Wilson | c4e7a41 | 2010-11-30 14:10:25 +0000 | [diff] [blame] | 1858 | intel_ring_advance(ring); |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1859 | |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1860 | return 0; |
| 1861 | } |
| 1862 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1863 | static void cleanup_status_page(struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1864 | { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 1865 | struct drm_i915_gem_object *obj; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1866 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1867 | obj = ring->status_page.obj; |
| 1868 | if (obj == NULL) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1869 | return; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1870 | |
Chris Wilson | 9da3da6 | 2012-06-01 15:20:22 +0100 | [diff] [blame] | 1871 | kunmap(sg_page(obj->pages->sgl)); |
Ben Widawsky | d7f46fc | 2013-12-06 14:10:55 -0800 | [diff] [blame] | 1872 | i915_gem_object_ggtt_unpin(obj); |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 1873 | drm_gem_object_unreference(&obj->base); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1874 | ring->status_page.obj = NULL; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1875 | } |
| 1876 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1877 | static int init_status_page(struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1878 | { |
Chris Wilson | 05394f3 | 2010-11-08 19:18:58 +0000 | [diff] [blame] | 1879 | struct drm_i915_gem_object *obj; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1880 | |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1881 | if ((obj = ring->status_page.obj) == NULL) { |
Chris Wilson | 1f767e0 | 2014-07-03 17:33:03 -0400 | [diff] [blame] | 1882 | unsigned flags; |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1883 | int ret; |
| 1884 | |
| 1885 | obj = i915_gem_alloc_object(ring->dev, 4096); |
| 1886 | if (obj == NULL) { |
| 1887 | DRM_ERROR("Failed to allocate status page\n"); |
| 1888 | return -ENOMEM; |
| 1889 | } |
| 1890 | |
| 1891 | ret = i915_gem_object_set_cache_level(obj, I915_CACHE_LLC); |
| 1892 | if (ret) |
| 1893 | goto err_unref; |
| 1894 | |
Chris Wilson | 1f767e0 | 2014-07-03 17:33:03 -0400 | [diff] [blame] | 1895 | flags = 0; |
| 1896 | if (!HAS_LLC(ring->dev)) |
| 1897 | /* On g33, we cannot place HWS above 256MiB, so |
| 1898 | * restrict its pinning to the low mappable arena. |
| 1899 | * Though this restriction is not documented for |
| 1900 | * gen4, gen5, or byt, they also behave similarly |
| 1901 | * and hang if the HWS is placed at the top of the |
| 1902 | * GTT. To generalise, it appears that all !llc |
| 1903 | * platforms have issues with us placing the HWS |
| 1904 | * above the mappable region (even though we never |
| 1905 | * actualy map it). |
| 1906 | */ |
| 1907 | flags |= PIN_MAPPABLE; |
| 1908 | ret = i915_gem_obj_ggtt_pin(obj, 4096, flags); |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1909 | if (ret) { |
| 1910 | err_unref: |
| 1911 | drm_gem_object_unreference(&obj->base); |
| 1912 | return ret; |
| 1913 | } |
| 1914 | |
| 1915 | ring->status_page.obj = obj; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1916 | } |
Chris Wilson | e4ffd17 | 2011-04-04 09:44:39 +0100 | [diff] [blame] | 1917 | |
Ben Widawsky | f343c5f | 2013-07-05 14:41:04 -0700 | [diff] [blame] | 1918 | ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(obj); |
Chris Wilson | 9da3da6 | 2012-06-01 15:20:22 +0100 | [diff] [blame] | 1919 | ring->status_page.page_addr = kmap(sg_page(obj->pages->sgl)); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1920 | memset(ring->status_page.page_addr, 0, PAGE_SIZE); |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1921 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 1922 | DRM_DEBUG_DRIVER("%s hws offset: 0x%08x\n", |
| 1923 | ring->name, ring->status_page.gfx_addr); |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1924 | |
| 1925 | return 0; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 1926 | } |
| 1927 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 1928 | static int init_phys_status_page(struct intel_engine_cs *ring) |
Chris Wilson | 6b8294a | 2012-11-16 11:43:20 +0000 | [diff] [blame] | 1929 | { |
| 1930 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Chris Wilson | 6b8294a | 2012-11-16 11:43:20 +0000 | [diff] [blame] | 1931 | |
| 1932 | if (!dev_priv->status_page_dmah) { |
| 1933 | dev_priv->status_page_dmah = |
| 1934 | drm_pci_alloc(ring->dev, PAGE_SIZE, PAGE_SIZE); |
| 1935 | if (!dev_priv->status_page_dmah) |
| 1936 | return -ENOMEM; |
| 1937 | } |
| 1938 | |
Chris Wilson | 6b8294a | 2012-11-16 11:43:20 +0000 | [diff] [blame] | 1939 | ring->status_page.page_addr = dev_priv->status_page_dmah->vaddr; |
| 1940 | memset(ring->status_page.page_addr, 0, PAGE_SIZE); |
| 1941 | |
| 1942 | return 0; |
| 1943 | } |
| 1944 | |
Thomas Daniel | 7ba717c | 2014-11-13 10:28:56 +0000 | [diff] [blame] | 1945 | void intel_unpin_ringbuffer_obj(struct intel_ringbuffer *ringbuf) |
| 1946 | { |
| 1947 | iounmap(ringbuf->virtual_start); |
| 1948 | ringbuf->virtual_start = NULL; |
| 1949 | i915_gem_object_ggtt_unpin(ringbuf->obj); |
| 1950 | } |
| 1951 | |
| 1952 | int intel_pin_and_map_ringbuffer_obj(struct drm_device *dev, |
| 1953 | struct intel_ringbuffer *ringbuf) |
| 1954 | { |
| 1955 | struct drm_i915_private *dev_priv = to_i915(dev); |
| 1956 | struct drm_i915_gem_object *obj = ringbuf->obj; |
| 1957 | int ret; |
| 1958 | |
| 1959 | ret = i915_gem_obj_ggtt_pin(obj, PAGE_SIZE, PIN_MAPPABLE); |
| 1960 | if (ret) |
| 1961 | return ret; |
| 1962 | |
| 1963 | ret = i915_gem_object_set_to_gtt_domain(obj, true); |
| 1964 | if (ret) { |
| 1965 | i915_gem_object_ggtt_unpin(obj); |
| 1966 | return ret; |
| 1967 | } |
| 1968 | |
| 1969 | ringbuf->virtual_start = ioremap_wc(dev_priv->gtt.mappable_base + |
| 1970 | i915_gem_obj_ggtt_offset(obj), ringbuf->size); |
| 1971 | if (ringbuf->virtual_start == NULL) { |
| 1972 | i915_gem_object_ggtt_unpin(obj); |
| 1973 | return -EINVAL; |
| 1974 | } |
| 1975 | |
| 1976 | return 0; |
| 1977 | } |
| 1978 | |
Oscar Mateo | 84c2377 | 2014-07-24 17:04:15 +0100 | [diff] [blame] | 1979 | void intel_destroy_ringbuffer_obj(struct intel_ringbuffer *ringbuf) |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1980 | { |
Oscar Mateo | 2919d29 | 2014-07-03 16:28:02 +0100 | [diff] [blame] | 1981 | drm_gem_object_unreference(&ringbuf->obj->base); |
| 1982 | ringbuf->obj = NULL; |
| 1983 | } |
| 1984 | |
Oscar Mateo | 84c2377 | 2014-07-24 17:04:15 +0100 | [diff] [blame] | 1985 | int intel_alloc_ringbuffer_obj(struct drm_device *dev, |
| 1986 | struct intel_ringbuffer *ringbuf) |
Oscar Mateo | 2919d29 | 2014-07-03 16:28:02 +0100 | [diff] [blame] | 1987 | { |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1988 | struct drm_i915_gem_object *obj; |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1989 | |
| 1990 | obj = NULL; |
| 1991 | if (!HAS_LLC(dev)) |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 1992 | obj = i915_gem_object_create_stolen(dev, ringbuf->size); |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1993 | if (obj == NULL) |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 1994 | obj = i915_gem_alloc_object(dev, ringbuf->size); |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 1995 | if (obj == NULL) |
| 1996 | return -ENOMEM; |
| 1997 | |
Akash Goel | 24f3a8c | 2014-06-17 10:59:42 +0530 | [diff] [blame] | 1998 | /* mark ring buffers as read-only from GPU side by default */ |
| 1999 | obj->gt_ro = 1; |
| 2000 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2001 | ringbuf->obj = obj; |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2002 | |
Thomas Daniel | 7ba717c | 2014-11-13 10:28:56 +0000 | [diff] [blame] | 2003 | return 0; |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2004 | } |
| 2005 | |
Ben Widawsky | c43b563 | 2012-04-16 14:07:40 -0700 | [diff] [blame] | 2006 | static int intel_init_ring_buffer(struct drm_device *dev, |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2007 | struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2008 | { |
Daniel Vetter | bfc882b | 2014-11-20 00:33:08 +0100 | [diff] [blame] | 2009 | struct intel_ringbuffer *ringbuf; |
Chris Wilson | dd785e3 | 2010-08-07 11:01:34 +0100 | [diff] [blame] | 2010 | int ret; |
| 2011 | |
Daniel Vetter | bfc882b | 2014-11-20 00:33:08 +0100 | [diff] [blame] | 2012 | WARN_ON(ring->buffer); |
| 2013 | |
| 2014 | ringbuf = kzalloc(sizeof(*ringbuf), GFP_KERNEL); |
| 2015 | if (!ringbuf) |
| 2016 | return -ENOMEM; |
| 2017 | ring->buffer = ringbuf; |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2018 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2019 | ring->dev = dev; |
Chris Wilson | 23bc598 | 2010-09-29 16:10:57 +0100 | [diff] [blame] | 2020 | INIT_LIST_HEAD(&ring->active_list); |
| 2021 | INIT_LIST_HEAD(&ring->request_list); |
Oscar Mateo | cc9130b | 2014-07-24 17:04:42 +0100 | [diff] [blame] | 2022 | INIT_LIST_HEAD(&ring->execlist_queue); |
Chris Wilson | 06fbca7 | 2015-04-07 16:20:36 +0100 | [diff] [blame] | 2023 | i915_gem_batch_pool_init(dev, &ring->batch_pool); |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2024 | ringbuf->size = 32 * PAGE_SIZE; |
Daniel Vetter | 0c7dd53 | 2014-08-11 16:17:44 +0200 | [diff] [blame] | 2025 | ringbuf->ring = ring; |
Ben Widawsky | ebc348b | 2014-04-29 14:52:28 -0700 | [diff] [blame] | 2026 | memset(ring->semaphore.sync_seqno, 0, sizeof(ring->semaphore.sync_seqno)); |
Chris Wilson | 0dc79fb | 2011-01-05 10:32:24 +0000 | [diff] [blame] | 2027 | |
Chris Wilson | b259f67 | 2011-03-29 13:19:09 +0100 | [diff] [blame] | 2028 | init_waitqueue_head(&ring->irq_queue); |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2029 | |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2030 | if (I915_NEED_GFX_HWS(dev)) { |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 2031 | ret = init_status_page(ring); |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2032 | if (ret) |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2033 | goto error; |
Chris Wilson | 6b8294a | 2012-11-16 11:43:20 +0000 | [diff] [blame] | 2034 | } else { |
| 2035 | BUG_ON(ring->id != RCS); |
Daniel Vetter | 035dc1e | 2013-07-03 12:56:54 +0200 | [diff] [blame] | 2036 | ret = init_phys_status_page(ring); |
Chris Wilson | 6b8294a | 2012-11-16 11:43:20 +0000 | [diff] [blame] | 2037 | if (ret) |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2038 | goto error; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2039 | } |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2040 | |
Daniel Vetter | bfc882b | 2014-11-20 00:33:08 +0100 | [diff] [blame] | 2041 | WARN_ON(ringbuf->obj); |
Thomas Daniel | 7ba717c | 2014-11-13 10:28:56 +0000 | [diff] [blame] | 2042 | |
Daniel Vetter | bfc882b | 2014-11-20 00:33:08 +0100 | [diff] [blame] | 2043 | ret = intel_alloc_ringbuffer_obj(dev, ringbuf); |
| 2044 | if (ret) { |
| 2045 | DRM_ERROR("Failed to allocate ringbuffer %s: %d\n", |
| 2046 | ring->name, ret); |
| 2047 | goto error; |
| 2048 | } |
| 2049 | |
| 2050 | ret = intel_pin_and_map_ringbuffer_obj(dev, ringbuf); |
| 2051 | if (ret) { |
| 2052 | DRM_ERROR("Failed to pin and map ringbuffer %s: %d\n", |
| 2053 | ring->name, ret); |
| 2054 | intel_destroy_ringbuffer_obj(ringbuf); |
| 2055 | goto error; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2056 | } |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2057 | |
Chris Wilson | 55249ba | 2010-12-22 14:04:47 +0000 | [diff] [blame] | 2058 | /* Workaround an erratum on the i830 which causes a hang if |
| 2059 | * the TAIL pointer points to within the last 2 cachelines |
| 2060 | * of the buffer. |
| 2061 | */ |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2062 | ringbuf->effective_size = ringbuf->size; |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2063 | if (IS_I830(dev) || IS_845G(dev)) |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2064 | ringbuf->effective_size -= 2 * CACHELINE_BYTES; |
Chris Wilson | 55249ba | 2010-12-22 14:04:47 +0000 | [diff] [blame] | 2065 | |
Brad Volkin | 44e895a | 2014-05-10 14:10:43 -0700 | [diff] [blame] | 2066 | ret = i915_cmd_parser_init_ring(ring); |
| 2067 | if (ret) |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2068 | goto error; |
Brad Volkin | 351e3db | 2014-02-18 10:15:46 -0800 | [diff] [blame] | 2069 | |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2070 | return 0; |
| 2071 | |
| 2072 | error: |
| 2073 | kfree(ringbuf); |
| 2074 | ring->buffer = NULL; |
| 2075 | return ret; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2076 | } |
| 2077 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2078 | void intel_cleanup_ring_buffer(struct intel_engine_cs *ring) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2079 | { |
John Harrison | 6402c33 | 2014-10-31 12:00:26 +0000 | [diff] [blame] | 2080 | struct drm_i915_private *dev_priv; |
| 2081 | struct intel_ringbuffer *ringbuf; |
Chris Wilson | 33626e6 | 2010-10-29 16:18:36 +0100 | [diff] [blame] | 2082 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2083 | if (!intel_ring_initialized(ring)) |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2084 | return; |
| 2085 | |
John Harrison | 6402c33 | 2014-10-31 12:00:26 +0000 | [diff] [blame] | 2086 | dev_priv = to_i915(ring->dev); |
| 2087 | ringbuf = ring->buffer; |
| 2088 | |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2089 | intel_stop_ring_buffer(ring); |
Ville Syrjälä | de8f0a5 | 2014-05-28 19:12:13 +0300 | [diff] [blame] | 2090 | WARN_ON(!IS_GEN2(ring->dev) && (I915_READ_MODE(ring) & MODE_IDLE) == 0); |
Chris Wilson | 33626e6 | 2010-10-29 16:18:36 +0100 | [diff] [blame] | 2091 | |
Thomas Daniel | 7ba717c | 2014-11-13 10:28:56 +0000 | [diff] [blame] | 2092 | intel_unpin_ringbuffer_obj(ringbuf); |
Oscar Mateo | 2919d29 | 2014-07-03 16:28:02 +0100 | [diff] [blame] | 2093 | intel_destroy_ringbuffer_obj(ringbuf); |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 2094 | i915_gem_request_assign(&ring->outstanding_lazy_request, NULL); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 2095 | |
Zou Nan hai | 8d19215 | 2010-11-02 16:31:01 +0800 | [diff] [blame] | 2096 | if (ring->cleanup) |
| 2097 | ring->cleanup(ring); |
| 2098 | |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 2099 | cleanup_status_page(ring); |
Brad Volkin | 44e895a | 2014-05-10 14:10:43 -0700 | [diff] [blame] | 2100 | |
| 2101 | i915_cmd_parser_fini_ring(ring); |
Chris Wilson | 06fbca7 | 2015-04-07 16:20:36 +0100 | [diff] [blame] | 2102 | i915_gem_batch_pool_fini(&ring->batch_pool); |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2103 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2104 | kfree(ringbuf); |
Oscar Mateo | 8ee1497 | 2014-05-22 14:13:34 +0100 | [diff] [blame] | 2105 | ring->buffer = NULL; |
Eric Anholt | 62fdfea | 2010-05-21 13:26:39 -0700 | [diff] [blame] | 2106 | } |
| 2107 | |
Chris Wilson | 595e1ee | 2015-04-07 16:20:51 +0100 | [diff] [blame] | 2108 | static int ring_wait_for_space(struct intel_engine_cs *ring, int n) |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2109 | { |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2110 | struct intel_ringbuffer *ringbuf = ring->buffer; |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2111 | struct drm_i915_gem_request *request; |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 2112 | unsigned space; |
| 2113 | int ret; |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2114 | |
John Harrison | 29b1b41 | 2015-06-18 13:10:09 +0100 | [diff] [blame] | 2115 | /* The whole point of reserving space is to not wait! */ |
| 2116 | WARN_ON(ringbuf->reserved_in_use); |
| 2117 | |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 2118 | if (intel_ring_space(ringbuf) >= n) |
| 2119 | return 0; |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2120 | |
| 2121 | list_for_each_entry(request, &ring->request_list, list) { |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 2122 | space = __intel_ring_space(request->postfix, ringbuf->tail, |
| 2123 | ringbuf->size); |
| 2124 | if (space >= n) |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2125 | break; |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2126 | } |
| 2127 | |
Chris Wilson | 595e1ee | 2015-04-07 16:20:51 +0100 | [diff] [blame] | 2128 | if (WARN_ON(&request->list == &ring->request_list)) |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2129 | return -ENOSPC; |
| 2130 | |
Daniel Vetter | a4b3a57 | 2014-11-26 14:17:05 +0100 | [diff] [blame] | 2131 | ret = i915_wait_request(request); |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2132 | if (ret) |
| 2133 | return ret; |
| 2134 | |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 2135 | ringbuf->space = space; |
Chris Wilson | a71d8d9 | 2012-02-15 11:25:36 +0000 | [diff] [blame] | 2136 | return 0; |
| 2137 | } |
| 2138 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2139 | static int intel_wrap_ring_buffer(struct intel_engine_cs *ring) |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2140 | { |
| 2141 | uint32_t __iomem *virt; |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2142 | struct intel_ringbuffer *ringbuf = ring->buffer; |
| 2143 | int rem = ringbuf->size - ringbuf->tail; |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2144 | |
John Harrison | 29b1b41 | 2015-06-18 13:10:09 +0100 | [diff] [blame] | 2145 | /* Can't wrap if space has already been reserved! */ |
| 2146 | WARN_ON(ringbuf->reserved_in_use); |
| 2147 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2148 | if (ringbuf->space < rem) { |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2149 | int ret = ring_wait_for_space(ring, rem); |
| 2150 | if (ret) |
| 2151 | return ret; |
| 2152 | } |
| 2153 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2154 | virt = ringbuf->virtual_start + ringbuf->tail; |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2155 | rem /= 4; |
| 2156 | while (rem--) |
| 2157 | iowrite32(MI_NOOP, virt++); |
| 2158 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2159 | ringbuf->tail = 0; |
Dave Gordon | ebd0fd4 | 2014-11-27 11:22:49 +0000 | [diff] [blame] | 2160 | intel_ring_update_space(ringbuf); |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2161 | |
| 2162 | return 0; |
| 2163 | } |
| 2164 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2165 | int intel_ring_idle(struct intel_engine_cs *ring) |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2166 | { |
Daniel Vetter | a4b3a57 | 2014-11-26 14:17:05 +0100 | [diff] [blame] | 2167 | struct drm_i915_gem_request *req; |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2168 | |
| 2169 | /* We need to add any requests required to flush the objects and ring */ |
John Harrison | bf7dc5b | 2015-05-29 17:43:24 +0100 | [diff] [blame] | 2170 | if (ring->outstanding_lazy_request) |
| 2171 | i915_add_request(ring); |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2172 | |
| 2173 | /* Wait upon the last request to be completed */ |
| 2174 | if (list_empty(&ring->request_list)) |
| 2175 | return 0; |
| 2176 | |
Daniel Vetter | a4b3a57 | 2014-11-26 14:17:05 +0100 | [diff] [blame] | 2177 | req = list_entry(ring->request_list.prev, |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 2178 | struct drm_i915_gem_request, |
| 2179 | list); |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2180 | |
Chris Wilson | b471618 | 2015-04-27 13:41:17 +0100 | [diff] [blame] | 2181 | /* Make sure we do not trigger any retires */ |
| 2182 | return __i915_wait_request(req, |
| 2183 | atomic_read(&to_i915(ring->dev)->gpu_error.reset_counter), |
| 2184 | to_i915(ring->dev)->mm.interruptible, |
| 2185 | NULL, NULL); |
Chris Wilson | 3e96050 | 2012-11-27 16:22:54 +0000 | [diff] [blame] | 2186 | } |
| 2187 | |
John Harrison | 6689cb2 | 2015-03-19 12:30:08 +0000 | [diff] [blame] | 2188 | int intel_ring_alloc_request_extras(struct drm_i915_gem_request *request) |
Chris Wilson | 9d773091 | 2012-11-27 16:22:52 +0000 | [diff] [blame] | 2189 | { |
John Harrison | 6689cb2 | 2015-03-19 12:30:08 +0000 | [diff] [blame] | 2190 | request->ringbuf = request->ring->buffer; |
John Harrison | 9eba5d4 | 2014-11-24 18:49:23 +0000 | [diff] [blame] | 2191 | return 0; |
Chris Wilson | 9d773091 | 2012-11-27 16:22:52 +0000 | [diff] [blame] | 2192 | } |
| 2193 | |
John Harrison | 29b1b41 | 2015-06-18 13:10:09 +0100 | [diff] [blame] | 2194 | void intel_ring_reserved_space_reserve(struct intel_ringbuffer *ringbuf, int size) |
| 2195 | { |
| 2196 | /* NB: Until request management is fully tidied up and the OLR is |
| 2197 | * removed, there are too many ways for get false hits on this |
| 2198 | * anti-recursion check! */ |
| 2199 | /*WARN_ON(ringbuf->reserved_size);*/ |
| 2200 | WARN_ON(ringbuf->reserved_in_use); |
| 2201 | |
| 2202 | ringbuf->reserved_size = size; |
| 2203 | |
| 2204 | /* |
| 2205 | * Really need to call _begin() here but that currently leads to |
| 2206 | * recursion problems! This will be fixed later but for now just |
| 2207 | * return and hope for the best. Note that there is only a real |
| 2208 | * problem if the create of the request never actually calls _begin() |
| 2209 | * but if they are not submitting any work then why did they create |
| 2210 | * the request in the first place? |
| 2211 | */ |
| 2212 | } |
| 2213 | |
| 2214 | void intel_ring_reserved_space_cancel(struct intel_ringbuffer *ringbuf) |
| 2215 | { |
| 2216 | WARN_ON(ringbuf->reserved_in_use); |
| 2217 | |
| 2218 | ringbuf->reserved_size = 0; |
| 2219 | ringbuf->reserved_in_use = false; |
| 2220 | } |
| 2221 | |
| 2222 | void intel_ring_reserved_space_use(struct intel_ringbuffer *ringbuf) |
| 2223 | { |
| 2224 | WARN_ON(ringbuf->reserved_in_use); |
| 2225 | |
| 2226 | ringbuf->reserved_in_use = true; |
| 2227 | ringbuf->reserved_tail = ringbuf->tail; |
| 2228 | } |
| 2229 | |
| 2230 | void intel_ring_reserved_space_end(struct intel_ringbuffer *ringbuf) |
| 2231 | { |
| 2232 | WARN_ON(!ringbuf->reserved_in_use); |
| 2233 | WARN(ringbuf->tail > ringbuf->reserved_tail + ringbuf->reserved_size, |
| 2234 | "request reserved size too small: %d vs %d!\n", |
| 2235 | ringbuf->tail - ringbuf->reserved_tail, ringbuf->reserved_size); |
| 2236 | |
| 2237 | ringbuf->reserved_size = 0; |
| 2238 | ringbuf->reserved_in_use = false; |
| 2239 | } |
| 2240 | |
| 2241 | static int __intel_ring_prepare(struct intel_engine_cs *ring, int bytes) |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2242 | { |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2243 | struct intel_ringbuffer *ringbuf = ring->buffer; |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2244 | int ret; |
| 2245 | |
John Harrison | 29b1b41 | 2015-06-18 13:10:09 +0100 | [diff] [blame] | 2246 | /* |
| 2247 | * Add on the reserved size to the request to make sure that after |
| 2248 | * the intended commands have been emitted, there is guaranteed to |
| 2249 | * still be enough free space to send them to the hardware. |
| 2250 | */ |
| 2251 | if (!ringbuf->reserved_in_use) |
| 2252 | bytes += ringbuf->reserved_size; |
| 2253 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2254 | if (unlikely(ringbuf->tail + bytes > ringbuf->effective_size)) { |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2255 | ret = intel_wrap_ring_buffer(ring); |
| 2256 | if (unlikely(ret)) |
| 2257 | return ret; |
John Harrison | 29b1b41 | 2015-06-18 13:10:09 +0100 | [diff] [blame] | 2258 | |
| 2259 | if(ringbuf->reserved_size) { |
| 2260 | uint32_t size = ringbuf->reserved_size; |
| 2261 | |
| 2262 | intel_ring_reserved_space_cancel(ringbuf); |
| 2263 | intel_ring_reserved_space_reserve(ringbuf, size); |
| 2264 | } |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2265 | } |
| 2266 | |
Oscar Mateo | 93b0a4e | 2014-05-22 14:13:36 +0100 | [diff] [blame] | 2267 | if (unlikely(ringbuf->space < bytes)) { |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2268 | ret = ring_wait_for_space(ring, bytes); |
| 2269 | if (unlikely(ret)) |
| 2270 | return ret; |
| 2271 | } |
| 2272 | |
Mika Kuoppala | cbcc80d | 2012-12-04 15:12:03 +0200 | [diff] [blame] | 2273 | return 0; |
| 2274 | } |
| 2275 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2276 | int intel_ring_begin(struct intel_engine_cs *ring, |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 2277 | int num_dwords) |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2278 | { |
John Harrison | 217e46b | 2015-05-29 17:43:29 +0100 | [diff] [blame] | 2279 | struct drm_i915_gem_request *req; |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2280 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 2281 | int ret; |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 2282 | |
Daniel Vetter | 33196de | 2012-11-14 17:14:05 +0100 | [diff] [blame] | 2283 | ret = i915_gem_check_wedge(&dev_priv->gpu_error, |
| 2284 | dev_priv->mm.interruptible); |
Daniel Vetter | de2b998 | 2012-07-04 22:52:50 +0200 | [diff] [blame] | 2285 | if (ret) |
| 2286 | return ret; |
Chris Wilson | 21dd373 | 2011-01-26 15:55:56 +0000 | [diff] [blame] | 2287 | |
Chris Wilson | 304d695 | 2014-01-02 14:32:35 +0000 | [diff] [blame] | 2288 | ret = __intel_ring_prepare(ring, num_dwords * sizeof(uint32_t)); |
| 2289 | if (ret) |
| 2290 | return ret; |
| 2291 | |
Chris Wilson | 9d773091 | 2012-11-27 16:22:52 +0000 | [diff] [blame] | 2292 | /* Preallocate the olr before touching the ring */ |
John Harrison | 217e46b | 2015-05-29 17:43:29 +0100 | [diff] [blame] | 2293 | ret = i915_gem_request_alloc(ring, ring->default_context, &req); |
Chris Wilson | 9d773091 | 2012-11-27 16:22:52 +0000 | [diff] [blame] | 2294 | if (ret) |
| 2295 | return ret; |
| 2296 | |
Oscar Mateo | ee1b1e5 | 2014-05-22 14:13:35 +0100 | [diff] [blame] | 2297 | ring->buffer->space -= num_dwords * sizeof(uint32_t); |
Chris Wilson | 304d695 | 2014-01-02 14:32:35 +0000 | [diff] [blame] | 2298 | return 0; |
Zou Nan hai | 8187a2b | 2010-05-21 09:08:55 +0800 | [diff] [blame] | 2299 | } |
| 2300 | |
Ville Syrjälä | 753b1ad | 2014-02-11 19:52:05 +0200 | [diff] [blame] | 2301 | /* Align the ring tail to a cacheline boundary */ |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2302 | int intel_ring_cacheline_align(struct intel_engine_cs *ring) |
Ville Syrjälä | 753b1ad | 2014-02-11 19:52:05 +0200 | [diff] [blame] | 2303 | { |
Oscar Mateo | ee1b1e5 | 2014-05-22 14:13:35 +0100 | [diff] [blame] | 2304 | int num_dwords = (ring->buffer->tail & (CACHELINE_BYTES - 1)) / sizeof(uint32_t); |
Ville Syrjälä | 753b1ad | 2014-02-11 19:52:05 +0200 | [diff] [blame] | 2305 | int ret; |
| 2306 | |
| 2307 | if (num_dwords == 0) |
| 2308 | return 0; |
| 2309 | |
Chris Wilson | 18393f6 | 2014-04-09 09:19:40 +0100 | [diff] [blame] | 2310 | num_dwords = CACHELINE_BYTES / sizeof(uint32_t) - num_dwords; |
Ville Syrjälä | 753b1ad | 2014-02-11 19:52:05 +0200 | [diff] [blame] | 2311 | ret = intel_ring_begin(ring, num_dwords); |
| 2312 | if (ret) |
| 2313 | return ret; |
| 2314 | |
| 2315 | while (num_dwords--) |
| 2316 | intel_ring_emit(ring, MI_NOOP); |
| 2317 | |
| 2318 | intel_ring_advance(ring); |
| 2319 | |
| 2320 | return 0; |
| 2321 | } |
| 2322 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2323 | void intel_ring_init_seqno(struct intel_engine_cs *ring, u32 seqno) |
Mika Kuoppala | 498d2ac | 2012-12-04 15:12:04 +0200 | [diff] [blame] | 2324 | { |
Oscar Mateo | 3b2cc8a | 2014-06-11 16:17:16 +0100 | [diff] [blame] | 2325 | struct drm_device *dev = ring->dev; |
| 2326 | struct drm_i915_private *dev_priv = dev->dev_private; |
Mika Kuoppala | 498d2ac | 2012-12-04 15:12:04 +0200 | [diff] [blame] | 2327 | |
John Harrison | 6259cea | 2014-11-24 18:49:29 +0000 | [diff] [blame] | 2328 | BUG_ON(ring->outstanding_lazy_request); |
Mika Kuoppala | 498d2ac | 2012-12-04 15:12:04 +0200 | [diff] [blame] | 2329 | |
Oscar Mateo | 3b2cc8a | 2014-06-11 16:17:16 +0100 | [diff] [blame] | 2330 | if (INTEL_INFO(dev)->gen == 6 || INTEL_INFO(dev)->gen == 7) { |
Mika Kuoppala | f7e98ad | 2012-12-19 11:13:06 +0200 | [diff] [blame] | 2331 | I915_WRITE(RING_SYNC_0(ring->mmio_base), 0); |
| 2332 | I915_WRITE(RING_SYNC_1(ring->mmio_base), 0); |
Oscar Mateo | 3b2cc8a | 2014-06-11 16:17:16 +0100 | [diff] [blame] | 2333 | if (HAS_VEBOX(dev)) |
Ben Widawsky | 5020150 | 2013-08-12 16:53:03 -0700 | [diff] [blame] | 2334 | I915_WRITE(RING_SYNC_2(ring->mmio_base), 0); |
Chris Wilson | 78501ea | 2010-10-27 12:18:21 +0100 | [diff] [blame] | 2335 | } |
Chris Wilson | 297b0c5 | 2010-10-22 17:02:41 +0100 | [diff] [blame] | 2336 | |
Mika Kuoppala | f7e98ad | 2012-12-19 11:13:06 +0200 | [diff] [blame] | 2337 | ring->set_seqno(ring, seqno); |
Mika Kuoppala | 92cab73 | 2013-05-24 17:16:07 +0300 | [diff] [blame] | 2338 | ring->hangcheck.seqno = seqno; |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2339 | } |
| 2340 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2341 | static void gen6_bsd_ring_write_tail(struct intel_engine_cs *ring, |
Chris Wilson | ab6f8e3 | 2010-09-19 17:53:44 +0100 | [diff] [blame] | 2342 | u32 value) |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2343 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2344 | struct drm_i915_private *dev_priv = ring->dev->dev_private; |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2345 | |
| 2346 | /* Every tail move must follow the sequence below */ |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2347 | |
Chris Wilson | 12f5581 | 2012-07-05 17:14:01 +0100 | [diff] [blame] | 2348 | /* Disable notification that the ring is IDLE. The GT |
| 2349 | * will then assume that it is busy and bring it out of rc6. |
| 2350 | */ |
| 2351 | I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL, |
| 2352 | _MASKED_BIT_ENABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); |
| 2353 | |
| 2354 | /* Clear the context id. Here be magic! */ |
| 2355 | I915_WRITE64(GEN6_BSD_RNCID, 0x0); |
| 2356 | |
| 2357 | /* Wait for the ring not to be idle, i.e. for it to wake up. */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2358 | if (wait_for((I915_READ(GEN6_BSD_SLEEP_PSMI_CONTROL) & |
Chris Wilson | 12f5581 | 2012-07-05 17:14:01 +0100 | [diff] [blame] | 2359 | GEN6_BSD_SLEEP_INDICATOR) == 0, |
| 2360 | 50)) |
| 2361 | DRM_ERROR("timed out waiting for the BSD ring to wake up\n"); |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2362 | |
Chris Wilson | 12f5581 | 2012-07-05 17:14:01 +0100 | [diff] [blame] | 2363 | /* Now that the ring is fully powered up, update the tail */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2364 | I915_WRITE_TAIL(ring, value); |
Chris Wilson | 12f5581 | 2012-07-05 17:14:01 +0100 | [diff] [blame] | 2365 | POSTING_READ(RING_TAIL(ring->mmio_base)); |
| 2366 | |
| 2367 | /* Let the ring send IDLE messages to the GT again, |
| 2368 | * and so let it sleep to conserve power when idle. |
| 2369 | */ |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2370 | I915_WRITE(GEN6_BSD_SLEEP_PSMI_CONTROL, |
Chris Wilson | 12f5581 | 2012-07-05 17:14:01 +0100 | [diff] [blame] | 2371 | _MASKED_BIT_DISABLE(GEN6_BSD_SLEEP_MSG_DISABLE)); |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2372 | } |
| 2373 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2374 | static int gen6_bsd_ring_flush(struct intel_engine_cs *ring, |
Ben Widawsky | ea25132 | 2013-05-28 19:22:21 -0700 | [diff] [blame] | 2375 | u32 invalidate, u32 flush) |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2376 | { |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2377 | uint32_t cmd; |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2378 | int ret; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 2379 | |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2380 | ret = intel_ring_begin(ring, 4); |
| 2381 | if (ret) |
| 2382 | return ret; |
| 2383 | |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2384 | cmd = MI_FLUSH_DW; |
Ben Widawsky | 075b3bb | 2013-11-02 21:07:13 -0700 | [diff] [blame] | 2385 | if (INTEL_INFO(ring->dev)->gen >= 8) |
| 2386 | cmd += 1; |
Chris Wilson | f0a1fb1 | 2015-01-22 13:42:00 +0000 | [diff] [blame] | 2387 | |
| 2388 | /* We always require a command barrier so that subsequent |
| 2389 | * commands, such as breadcrumb interrupts, are strictly ordered |
| 2390 | * wrt the contents of the write cache being flushed to memory |
| 2391 | * (and thus being coherent from the CPU). |
| 2392 | */ |
| 2393 | cmd |= MI_FLUSH_DW_STORE_INDEX | MI_FLUSH_DW_OP_STOREDW; |
| 2394 | |
Jesse Barnes | 9a28977 | 2012-10-26 09:42:42 -0700 | [diff] [blame] | 2395 | /* |
| 2396 | * Bspec vol 1c.5 - video engine command streamer: |
| 2397 | * "If ENABLED, all TLBs will be invalidated once the flush |
| 2398 | * operation is complete. This bit is only valid when the |
| 2399 | * Post-Sync Operation field is a value of 1h or 3h." |
| 2400 | */ |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2401 | if (invalidate & I915_GEM_GPU_DOMAINS) |
Chris Wilson | f0a1fb1 | 2015-01-22 13:42:00 +0000 | [diff] [blame] | 2402 | cmd |= MI_INVALIDATE_TLB | MI_INVALIDATE_BSD; |
| 2403 | |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2404 | intel_ring_emit(ring, cmd); |
Jesse Barnes | 9a28977 | 2012-10-26 09:42:42 -0700 | [diff] [blame] | 2405 | intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT); |
Ben Widawsky | 075b3bb | 2013-11-02 21:07:13 -0700 | [diff] [blame] | 2406 | if (INTEL_INFO(ring->dev)->gen >= 8) { |
| 2407 | intel_ring_emit(ring, 0); /* upper addr */ |
| 2408 | intel_ring_emit(ring, 0); /* value */ |
| 2409 | } else { |
| 2410 | intel_ring_emit(ring, 0); |
| 2411 | intel_ring_emit(ring, MI_NOOP); |
| 2412 | } |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2413 | intel_ring_advance(ring); |
| 2414 | return 0; |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2415 | } |
| 2416 | |
| 2417 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2418 | gen8_ring_dispatch_execbuffer(struct intel_engine_cs *ring, |
Ben Widawsky | 9bcb144 | 2014-04-28 19:29:25 -0700 | [diff] [blame] | 2419 | u64 offset, u32 len, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2420 | unsigned dispatch_flags) |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2421 | { |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2422 | bool ppgtt = USES_PPGTT(ring->dev) && |
| 2423 | !(dispatch_flags & I915_DISPATCH_SECURE); |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2424 | int ret; |
| 2425 | |
| 2426 | ret = intel_ring_begin(ring, 4); |
| 2427 | if (ret) |
| 2428 | return ret; |
| 2429 | |
| 2430 | /* FIXME(BDW): Address space and security selectors. */ |
Ben Widawsky | 28cf541 | 2013-11-02 21:07:26 -0700 | [diff] [blame] | 2431 | intel_ring_emit(ring, MI_BATCH_BUFFER_START_GEN8 | (ppgtt<<8)); |
Ben Widawsky | 9bcb144 | 2014-04-28 19:29:25 -0700 | [diff] [blame] | 2432 | intel_ring_emit(ring, lower_32_bits(offset)); |
| 2433 | intel_ring_emit(ring, upper_32_bits(offset)); |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2434 | intel_ring_emit(ring, MI_NOOP); |
| 2435 | intel_ring_advance(ring); |
| 2436 | |
| 2437 | return 0; |
| 2438 | } |
| 2439 | |
| 2440 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2441 | hsw_ring_dispatch_execbuffer(struct intel_engine_cs *ring, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2442 | u64 offset, u32 len, |
| 2443 | unsigned dispatch_flags) |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2444 | { |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2445 | int ret; |
Chris Wilson | ab6f8e3 | 2010-09-19 17:53:44 +0100 | [diff] [blame] | 2446 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2447 | ret = intel_ring_begin(ring, 2); |
| 2448 | if (ret) |
| 2449 | return ret; |
Chris Wilson | e1f99ce | 2010-10-27 12:45:26 +0100 | [diff] [blame] | 2450 | |
Chris Wilson | d7d4eed | 2012-10-17 12:09:54 +0100 | [diff] [blame] | 2451 | intel_ring_emit(ring, |
Chris Wilson | 7707225 | 2014-09-10 12:18:27 +0100 | [diff] [blame] | 2452 | MI_BATCH_BUFFER_START | |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2453 | (dispatch_flags & I915_DISPATCH_SECURE ? |
Chris Wilson | 7707225 | 2014-09-10 12:18:27 +0100 | [diff] [blame] | 2454 | 0 : MI_BATCH_PPGTT_HSW | MI_BATCH_NON_SECURE_HSW)); |
Chris Wilson | d7d4eed | 2012-10-17 12:09:54 +0100 | [diff] [blame] | 2455 | /* bit0-7 is the length on GEN6+ */ |
| 2456 | intel_ring_emit(ring, offset); |
| 2457 | intel_ring_advance(ring); |
| 2458 | |
| 2459 | return 0; |
| 2460 | } |
| 2461 | |
| 2462 | static int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2463 | gen6_ring_dispatch_execbuffer(struct intel_engine_cs *ring, |
Ben Widawsky | 9bcb144 | 2014-04-28 19:29:25 -0700 | [diff] [blame] | 2464 | u64 offset, u32 len, |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2465 | unsigned dispatch_flags) |
Chris Wilson | d7d4eed | 2012-10-17 12:09:54 +0100 | [diff] [blame] | 2466 | { |
| 2467 | int ret; |
| 2468 | |
| 2469 | ret = intel_ring_begin(ring, 2); |
| 2470 | if (ret) |
| 2471 | return ret; |
| 2472 | |
| 2473 | intel_ring_emit(ring, |
| 2474 | MI_BATCH_BUFFER_START | |
John Harrison | 8e004ef | 2015-02-13 11:48:10 +0000 | [diff] [blame] | 2475 | (dispatch_flags & I915_DISPATCH_SECURE ? |
| 2476 | 0 : MI_BATCH_NON_SECURE_I965)); |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2477 | /* bit0-7 is the length on GEN6+ */ |
| 2478 | intel_ring_emit(ring, offset); |
| 2479 | intel_ring_advance(ring); |
Chris Wilson | ab6f8e3 | 2010-09-19 17:53:44 +0100 | [diff] [blame] | 2480 | |
Akshay Joshi | 0206e35 | 2011-08-16 15:34:10 -0400 | [diff] [blame] | 2481 | return 0; |
Xiang, Haihao | 881f47b | 2010-09-19 14:40:43 +0100 | [diff] [blame] | 2482 | } |
| 2483 | |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2484 | /* Blitter support (SandyBridge+) */ |
| 2485 | |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2486 | static int gen6_ring_flush(struct intel_engine_cs *ring, |
Ben Widawsky | ea25132 | 2013-05-28 19:22:21 -0700 | [diff] [blame] | 2487 | u32 invalidate, u32 flush) |
Zou Nan hai | 8d19215 | 2010-11-02 16:31:01 +0800 | [diff] [blame] | 2488 | { |
Rodrigo Vivi | fd3da6c | 2013-06-06 16:58:16 -0300 | [diff] [blame] | 2489 | struct drm_device *dev = ring->dev; |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2490 | uint32_t cmd; |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2491 | int ret; |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 2492 | |
Daniel Vetter | 6a233c7 | 2011-12-14 13:57:07 +0100 | [diff] [blame] | 2493 | ret = intel_ring_begin(ring, 4); |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2494 | if (ret) |
| 2495 | return ret; |
| 2496 | |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2497 | cmd = MI_FLUSH_DW; |
Paulo Zanoni | dbef0f1 | 2015-02-13 17:23:46 -0200 | [diff] [blame] | 2498 | if (INTEL_INFO(dev)->gen >= 8) |
Ben Widawsky | 075b3bb | 2013-11-02 21:07:13 -0700 | [diff] [blame] | 2499 | cmd += 1; |
Chris Wilson | f0a1fb1 | 2015-01-22 13:42:00 +0000 | [diff] [blame] | 2500 | |
| 2501 | /* We always require a command barrier so that subsequent |
| 2502 | * commands, such as breadcrumb interrupts, are strictly ordered |
| 2503 | * wrt the contents of the write cache being flushed to memory |
| 2504 | * (and thus being coherent from the CPU). |
| 2505 | */ |
| 2506 | cmd |= MI_FLUSH_DW_STORE_INDEX | MI_FLUSH_DW_OP_STOREDW; |
| 2507 | |
Jesse Barnes | 9a28977 | 2012-10-26 09:42:42 -0700 | [diff] [blame] | 2508 | /* |
| 2509 | * Bspec vol 1c.3 - blitter engine command streamer: |
| 2510 | * "If ENABLED, all TLBs will be invalidated once the flush |
| 2511 | * operation is complete. This bit is only valid when the |
| 2512 | * Post-Sync Operation field is a value of 1h or 3h." |
| 2513 | */ |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2514 | if (invalidate & I915_GEM_DOMAIN_RENDER) |
Chris Wilson | f0a1fb1 | 2015-01-22 13:42:00 +0000 | [diff] [blame] | 2515 | cmd |= MI_INVALIDATE_TLB; |
Chris Wilson | 71a77e0 | 2011-02-02 12:13:49 +0000 | [diff] [blame] | 2516 | intel_ring_emit(ring, cmd); |
Jesse Barnes | 9a28977 | 2012-10-26 09:42:42 -0700 | [diff] [blame] | 2517 | intel_ring_emit(ring, I915_GEM_HWS_SCRATCH_ADDR | MI_FLUSH_DW_USE_GTT); |
Paulo Zanoni | dbef0f1 | 2015-02-13 17:23:46 -0200 | [diff] [blame] | 2518 | if (INTEL_INFO(dev)->gen >= 8) { |
Ben Widawsky | 075b3bb | 2013-11-02 21:07:13 -0700 | [diff] [blame] | 2519 | intel_ring_emit(ring, 0); /* upper addr */ |
| 2520 | intel_ring_emit(ring, 0); /* value */ |
| 2521 | } else { |
| 2522 | intel_ring_emit(ring, 0); |
| 2523 | intel_ring_emit(ring, MI_NOOP); |
| 2524 | } |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2525 | intel_ring_advance(ring); |
Rodrigo Vivi | fd3da6c | 2013-06-06 16:58:16 -0300 | [diff] [blame] | 2526 | |
Chris Wilson | b72f3ac | 2011-01-04 17:34:02 +0000 | [diff] [blame] | 2527 | return 0; |
Zou Nan hai | 8d19215 | 2010-11-02 16:31:01 +0800 | [diff] [blame] | 2528 | } |
| 2529 | |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2530 | int intel_init_render_ring_buffer(struct drm_device *dev) |
| 2531 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2532 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2533 | struct intel_engine_cs *ring = &dev_priv->ring[RCS]; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2534 | struct drm_i915_gem_object *obj; |
| 2535 | int ret; |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2536 | |
Daniel Vetter | 59465b5 | 2012-04-11 22:12:48 +0200 | [diff] [blame] | 2537 | ring->name = "render ring"; |
| 2538 | ring->id = RCS; |
| 2539 | ring->mmio_base = RENDER_RING_BASE; |
| 2540 | |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2541 | if (INTEL_INFO(dev)->gen >= 8) { |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2542 | if (i915_semaphore_is_enabled(dev)) { |
| 2543 | obj = i915_gem_alloc_object(dev, 4096); |
| 2544 | if (obj == NULL) { |
| 2545 | DRM_ERROR("Failed to allocate semaphore bo. Disabling semaphores\n"); |
| 2546 | i915.semaphores = 0; |
| 2547 | } else { |
| 2548 | i915_gem_object_set_cache_level(obj, I915_CACHE_LLC); |
| 2549 | ret = i915_gem_obj_ggtt_pin(obj, 0, PIN_NONBLOCK); |
| 2550 | if (ret != 0) { |
| 2551 | drm_gem_object_unreference(&obj->base); |
| 2552 | DRM_ERROR("Failed to pin semaphore bo. Disabling semaphores\n"); |
| 2553 | i915.semaphores = 0; |
| 2554 | } else |
| 2555 | dev_priv->semaphore_obj = obj; |
| 2556 | } |
| 2557 | } |
Mika Kuoppala | 7225342 | 2014-10-07 17:21:26 +0300 | [diff] [blame] | 2558 | |
Daniel Vetter | 8f0e2b9 | 2014-12-02 16:19:07 +0100 | [diff] [blame] | 2559 | ring->init_context = intel_rcs_ctx_init; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2560 | ring->add_request = gen6_add_request; |
| 2561 | ring->flush = gen8_render_ring_flush; |
| 2562 | ring->irq_get = gen8_ring_get_irq; |
| 2563 | ring->irq_put = gen8_ring_put_irq; |
| 2564 | ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT; |
| 2565 | ring->get_seqno = gen6_ring_get_seqno; |
| 2566 | ring->set_seqno = ring_set_seqno; |
| 2567 | if (i915_semaphore_is_enabled(dev)) { |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2568 | WARN_ON(!dev_priv->semaphore_obj); |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 2569 | ring->semaphore.sync_to = gen8_ring_sync; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2570 | ring->semaphore.signal = gen8_rcs_signal; |
| 2571 | GEN8_RING_SEMAPHORE_INIT; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2572 | } |
| 2573 | } else if (INTEL_INFO(dev)->gen >= 6) { |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 2574 | ring->add_request = gen6_add_request; |
Paulo Zanoni | 4772eae | 2012-08-17 18:35:41 -0300 | [diff] [blame] | 2575 | ring->flush = gen7_render_ring_flush; |
Chris Wilson | 6c6cf5a | 2012-07-20 18:02:28 +0100 | [diff] [blame] | 2576 | if (INTEL_INFO(dev)->gen == 6) |
Paulo Zanoni | b311150 | 2012-08-17 18:35:42 -0300 | [diff] [blame] | 2577 | ring->flush = gen6_render_ring_flush; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2578 | ring->irq_get = gen6_ring_get_irq; |
| 2579 | ring->irq_put = gen6_ring_put_irq; |
Ben Widawsky | cc609d5 | 2013-05-28 19:22:29 -0700 | [diff] [blame] | 2580 | ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT; |
Daniel Vetter | 4cd53c0 | 2012-12-14 16:01:25 +0100 | [diff] [blame] | 2581 | ring->get_seqno = gen6_ring_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2582 | ring->set_seqno = ring_set_seqno; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2583 | if (i915_semaphore_is_enabled(dev)) { |
| 2584 | ring->semaphore.sync_to = gen6_ring_sync; |
| 2585 | ring->semaphore.signal = gen6_signal; |
| 2586 | /* |
| 2587 | * The current semaphore is only applied on pre-gen8 |
| 2588 | * platform. And there is no VCS2 ring on the pre-gen8 |
| 2589 | * platform. So the semaphore between RCS and VCS2 is |
| 2590 | * initialized as INVALID. Gen8 will initialize the |
| 2591 | * sema between VCS2 and RCS later. |
| 2592 | */ |
| 2593 | ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_INVALID; |
| 2594 | ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_RV; |
| 2595 | ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_RB; |
| 2596 | ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_RVE; |
| 2597 | ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID; |
| 2598 | ring->semaphore.mbox.signal[RCS] = GEN6_NOSYNC; |
| 2599 | ring->semaphore.mbox.signal[VCS] = GEN6_VRSYNC; |
| 2600 | ring->semaphore.mbox.signal[BCS] = GEN6_BRSYNC; |
| 2601 | ring->semaphore.mbox.signal[VECS] = GEN6_VERSYNC; |
| 2602 | ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC; |
| 2603 | } |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 2604 | } else if (IS_GEN5(dev)) { |
| 2605 | ring->add_request = pc_render_add_request; |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 2606 | ring->flush = gen4_render_ring_flush; |
Chris Wilson | c6df541 | 2010-12-15 09:56:50 +0000 | [diff] [blame] | 2607 | ring->get_seqno = pc_render_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2608 | ring->set_seqno = pc_render_set_seqno; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 2609 | ring->irq_get = gen5_ring_get_irq; |
| 2610 | ring->irq_put = gen5_ring_put_irq; |
Ben Widawsky | cc609d5 | 2013-05-28 19:22:29 -0700 | [diff] [blame] | 2611 | ring->irq_enable_mask = GT_RENDER_USER_INTERRUPT | |
| 2612 | GT_RENDER_PIPECTL_NOTIFY_INTERRUPT; |
Daniel Vetter | 59465b5 | 2012-04-11 22:12:48 +0200 | [diff] [blame] | 2613 | } else { |
Daniel Vetter | 8620a3a | 2012-04-11 22:12:57 +0200 | [diff] [blame] | 2614 | ring->add_request = i9xx_add_request; |
Chris Wilson | 46f0f8d | 2012-04-18 11:12:11 +0100 | [diff] [blame] | 2615 | if (INTEL_INFO(dev)->gen < 4) |
| 2616 | ring->flush = gen2_render_ring_flush; |
| 2617 | else |
| 2618 | ring->flush = gen4_render_ring_flush; |
Daniel Vetter | 59465b5 | 2012-04-11 22:12:48 +0200 | [diff] [blame] | 2619 | ring->get_seqno = ring_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2620 | ring->set_seqno = ring_set_seqno; |
Chris Wilson | c2798b1 | 2012-04-22 21:13:57 +0100 | [diff] [blame] | 2621 | if (IS_GEN2(dev)) { |
| 2622 | ring->irq_get = i8xx_ring_get_irq; |
| 2623 | ring->irq_put = i8xx_ring_put_irq; |
| 2624 | } else { |
| 2625 | ring->irq_get = i9xx_ring_get_irq; |
| 2626 | ring->irq_put = i9xx_ring_put_irq; |
| 2627 | } |
Daniel Vetter | e367031 | 2012-04-11 22:12:53 +0200 | [diff] [blame] | 2628 | ring->irq_enable_mask = I915_USER_INTERRUPT; |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2629 | } |
Daniel Vetter | 59465b5 | 2012-04-11 22:12:48 +0200 | [diff] [blame] | 2630 | ring->write_tail = ring_write_tail; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2631 | |
Chris Wilson | d7d4eed | 2012-10-17 12:09:54 +0100 | [diff] [blame] | 2632 | if (IS_HASWELL(dev)) |
| 2633 | ring->dispatch_execbuffer = hsw_ring_dispatch_execbuffer; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2634 | else if (IS_GEN8(dev)) |
| 2635 | ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; |
Chris Wilson | d7d4eed | 2012-10-17 12:09:54 +0100 | [diff] [blame] | 2636 | else if (INTEL_INFO(dev)->gen >= 6) |
Daniel Vetter | fb3256d | 2012-04-11 22:12:56 +0200 | [diff] [blame] | 2637 | ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer; |
| 2638 | else if (INTEL_INFO(dev)->gen >= 4) |
| 2639 | ring->dispatch_execbuffer = i965_dispatch_execbuffer; |
| 2640 | else if (IS_I830(dev) || IS_845G(dev)) |
| 2641 | ring->dispatch_execbuffer = i830_dispatch_execbuffer; |
| 2642 | else |
| 2643 | ring->dispatch_execbuffer = i915_dispatch_execbuffer; |
Daniel Vetter | ecfe00d | 2014-11-20 00:33:04 +0100 | [diff] [blame] | 2644 | ring->init_hw = init_render_ring; |
Daniel Vetter | 59465b5 | 2012-04-11 22:12:48 +0200 | [diff] [blame] | 2645 | ring->cleanup = render_ring_cleanup; |
| 2646 | |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 2647 | /* Workaround batchbuffer to combat CS tlb bug. */ |
| 2648 | if (HAS_BROKEN_CS_TLB(dev)) { |
Chris Wilson | c4d69da | 2014-09-08 14:25:41 +0100 | [diff] [blame] | 2649 | obj = i915_gem_alloc_object(dev, I830_WA_SIZE); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 2650 | if (obj == NULL) { |
| 2651 | DRM_ERROR("Failed to allocate batch bo\n"); |
| 2652 | return -ENOMEM; |
| 2653 | } |
| 2654 | |
Daniel Vetter | be1fa12 | 2014-02-14 14:01:14 +0100 | [diff] [blame] | 2655 | ret = i915_gem_obj_ggtt_pin(obj, 0, 0); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 2656 | if (ret != 0) { |
| 2657 | drm_gem_object_unreference(&obj->base); |
| 2658 | DRM_ERROR("Failed to ping batch bo\n"); |
| 2659 | return ret; |
| 2660 | } |
| 2661 | |
Chris Wilson | 0d1aaca | 2013-08-26 20:58:11 +0100 | [diff] [blame] | 2662 | ring->scratch.obj = obj; |
| 2663 | ring->scratch.gtt_offset = i915_gem_obj_ggtt_offset(obj); |
Daniel Vetter | b45305f | 2012-12-17 16:21:27 +0100 | [diff] [blame] | 2664 | } |
| 2665 | |
Daniel Vetter | 99be1df | 2014-11-20 00:33:06 +0100 | [diff] [blame] | 2666 | ret = intel_init_ring_buffer(dev, ring); |
| 2667 | if (ret) |
| 2668 | return ret; |
| 2669 | |
| 2670 | if (INTEL_INFO(dev)->gen >= 5) { |
| 2671 | ret = intel_init_pipe_control(ring); |
| 2672 | if (ret) |
| 2673 | return ret; |
| 2674 | } |
| 2675 | |
| 2676 | return 0; |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2677 | } |
| 2678 | |
| 2679 | int intel_init_bsd_ring_buffer(struct drm_device *dev) |
| 2680 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2681 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2682 | struct intel_engine_cs *ring = &dev_priv->ring[VCS]; |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2683 | |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2684 | ring->name = "bsd ring"; |
| 2685 | ring->id = VCS; |
| 2686 | |
Daniel Vetter | 0fd2c20 | 2012-04-11 22:12:55 +0200 | [diff] [blame] | 2687 | ring->write_tail = ring_write_tail; |
Ben Widawsky | 780f18c | 2013-11-02 21:07:28 -0700 | [diff] [blame] | 2688 | if (INTEL_INFO(dev)->gen >= 6) { |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2689 | ring->mmio_base = GEN6_BSD_RING_BASE; |
Daniel Vetter | 0fd2c20 | 2012-04-11 22:12:55 +0200 | [diff] [blame] | 2690 | /* gen6 bsd needs a special wa for tail updates */ |
| 2691 | if (IS_GEN6(dev)) |
| 2692 | ring->write_tail = gen6_bsd_ring_write_tail; |
Ben Widawsky | ea25132 | 2013-05-28 19:22:21 -0700 | [diff] [blame] | 2693 | ring->flush = gen6_bsd_ring_flush; |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2694 | ring->add_request = gen6_add_request; |
| 2695 | ring->get_seqno = gen6_ring_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2696 | ring->set_seqno = ring_set_seqno; |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2697 | if (INTEL_INFO(dev)->gen >= 8) { |
| 2698 | ring->irq_enable_mask = |
| 2699 | GT_RENDER_USER_INTERRUPT << GEN8_VCS1_IRQ_SHIFT; |
| 2700 | ring->irq_get = gen8_ring_get_irq; |
| 2701 | ring->irq_put = gen8_ring_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2702 | ring->dispatch_execbuffer = |
| 2703 | gen8_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2704 | if (i915_semaphore_is_enabled(dev)) { |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 2705 | ring->semaphore.sync_to = gen8_ring_sync; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2706 | ring->semaphore.signal = gen8_xcs_signal; |
| 2707 | GEN8_RING_SEMAPHORE_INIT; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2708 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2709 | } else { |
| 2710 | ring->irq_enable_mask = GT_BSD_USER_INTERRUPT; |
| 2711 | ring->irq_get = gen6_ring_get_irq; |
| 2712 | ring->irq_put = gen6_ring_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2713 | ring->dispatch_execbuffer = |
| 2714 | gen6_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2715 | if (i915_semaphore_is_enabled(dev)) { |
| 2716 | ring->semaphore.sync_to = gen6_ring_sync; |
| 2717 | ring->semaphore.signal = gen6_signal; |
| 2718 | ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VR; |
| 2719 | ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_INVALID; |
| 2720 | ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VB; |
| 2721 | ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_VVE; |
| 2722 | ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID; |
| 2723 | ring->semaphore.mbox.signal[RCS] = GEN6_RVSYNC; |
| 2724 | ring->semaphore.mbox.signal[VCS] = GEN6_NOSYNC; |
| 2725 | ring->semaphore.mbox.signal[BCS] = GEN6_BVSYNC; |
| 2726 | ring->semaphore.mbox.signal[VECS] = GEN6_VEVSYNC; |
| 2727 | ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC; |
| 2728 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2729 | } |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2730 | } else { |
| 2731 | ring->mmio_base = BSD_RING_BASE; |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2732 | ring->flush = bsd_ring_flush; |
Daniel Vetter | 8620a3a | 2012-04-11 22:12:57 +0200 | [diff] [blame] | 2733 | ring->add_request = i9xx_add_request; |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2734 | ring->get_seqno = ring_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2735 | ring->set_seqno = ring_set_seqno; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 2736 | if (IS_GEN5(dev)) { |
Ben Widawsky | cc609d5 | 2013-05-28 19:22:29 -0700 | [diff] [blame] | 2737 | ring->irq_enable_mask = ILK_BSD_USER_INTERRUPT; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 2738 | ring->irq_get = gen5_ring_get_irq; |
| 2739 | ring->irq_put = gen5_ring_put_irq; |
| 2740 | } else { |
Daniel Vetter | e367031 | 2012-04-11 22:12:53 +0200 | [diff] [blame] | 2741 | ring->irq_enable_mask = I915_BSD_USER_INTERRUPT; |
Daniel Vetter | e48d863 | 2012-04-11 22:12:54 +0200 | [diff] [blame] | 2742 | ring->irq_get = i9xx_ring_get_irq; |
| 2743 | ring->irq_put = i9xx_ring_put_irq; |
| 2744 | } |
Daniel Vetter | fb3256d | 2012-04-11 22:12:56 +0200 | [diff] [blame] | 2745 | ring->dispatch_execbuffer = i965_dispatch_execbuffer; |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2746 | } |
Daniel Vetter | ecfe00d | 2014-11-20 00:33:04 +0100 | [diff] [blame] | 2747 | ring->init_hw = init_ring_common; |
Daniel Vetter | 58fa383 | 2012-04-11 22:12:49 +0200 | [diff] [blame] | 2748 | |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 2749 | return intel_init_ring_buffer(dev, ring); |
Xiang, Haihao | 5c1143b | 2010-09-16 10:43:11 +0800 | [diff] [blame] | 2750 | } |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2751 | |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 2752 | /** |
Damien Lespiau | 6265992 | 2015-01-29 14:13:40 +0000 | [diff] [blame] | 2753 | * Initialize the second BSD ring (eg. Broadwell GT3, Skylake GT3) |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 2754 | */ |
| 2755 | int intel_init_bsd2_ring_buffer(struct drm_device *dev) |
| 2756 | { |
| 2757 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2758 | struct intel_engine_cs *ring = &dev_priv->ring[VCS2]; |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 2759 | |
Rodrigo Vivi | f7b6423 | 2014-07-01 02:41:36 -0700 | [diff] [blame] | 2760 | ring->name = "bsd2 ring"; |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 2761 | ring->id = VCS2; |
| 2762 | |
| 2763 | ring->write_tail = ring_write_tail; |
| 2764 | ring->mmio_base = GEN8_BSD2_RING_BASE; |
| 2765 | ring->flush = gen6_bsd_ring_flush; |
| 2766 | ring->add_request = gen6_add_request; |
| 2767 | ring->get_seqno = gen6_ring_get_seqno; |
| 2768 | ring->set_seqno = ring_set_seqno; |
| 2769 | ring->irq_enable_mask = |
| 2770 | GT_RENDER_USER_INTERRUPT << GEN8_VCS2_IRQ_SHIFT; |
| 2771 | ring->irq_get = gen8_ring_get_irq; |
| 2772 | ring->irq_put = gen8_ring_put_irq; |
| 2773 | ring->dispatch_execbuffer = |
| 2774 | gen8_ring_dispatch_execbuffer; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2775 | if (i915_semaphore_is_enabled(dev)) { |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 2776 | ring->semaphore.sync_to = gen8_ring_sync; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2777 | ring->semaphore.signal = gen8_xcs_signal; |
| 2778 | GEN8_RING_SEMAPHORE_INIT; |
| 2779 | } |
Daniel Vetter | ecfe00d | 2014-11-20 00:33:04 +0100 | [diff] [blame] | 2780 | ring->init_hw = init_ring_common; |
Zhao Yakui | 845f74a | 2014-04-17 10:37:37 +0800 | [diff] [blame] | 2781 | |
| 2782 | return intel_init_ring_buffer(dev, ring); |
| 2783 | } |
| 2784 | |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2785 | int intel_init_blt_ring_buffer(struct drm_device *dev) |
| 2786 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2787 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2788 | struct intel_engine_cs *ring = &dev_priv->ring[BCS]; |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2789 | |
Daniel Vetter | 3535d9d | 2012-04-11 22:12:50 +0200 | [diff] [blame] | 2790 | ring->name = "blitter ring"; |
| 2791 | ring->id = BCS; |
| 2792 | |
| 2793 | ring->mmio_base = BLT_RING_BASE; |
| 2794 | ring->write_tail = ring_write_tail; |
Ben Widawsky | ea25132 | 2013-05-28 19:22:21 -0700 | [diff] [blame] | 2795 | ring->flush = gen6_ring_flush; |
Daniel Vetter | 3535d9d | 2012-04-11 22:12:50 +0200 | [diff] [blame] | 2796 | ring->add_request = gen6_add_request; |
| 2797 | ring->get_seqno = gen6_ring_get_seqno; |
Mika Kuoppala | b70ec5b | 2012-12-19 11:13:05 +0200 | [diff] [blame] | 2798 | ring->set_seqno = ring_set_seqno; |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2799 | if (INTEL_INFO(dev)->gen >= 8) { |
| 2800 | ring->irq_enable_mask = |
| 2801 | GT_RENDER_USER_INTERRUPT << GEN8_BCS_IRQ_SHIFT; |
| 2802 | ring->irq_get = gen8_ring_get_irq; |
| 2803 | ring->irq_put = gen8_ring_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2804 | ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2805 | if (i915_semaphore_is_enabled(dev)) { |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 2806 | ring->semaphore.sync_to = gen8_ring_sync; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2807 | ring->semaphore.signal = gen8_xcs_signal; |
| 2808 | GEN8_RING_SEMAPHORE_INIT; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2809 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2810 | } else { |
| 2811 | ring->irq_enable_mask = GT_BLT_USER_INTERRUPT; |
| 2812 | ring->irq_get = gen6_ring_get_irq; |
| 2813 | ring->irq_put = gen6_ring_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2814 | ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2815 | if (i915_semaphore_is_enabled(dev)) { |
| 2816 | ring->semaphore.signal = gen6_signal; |
| 2817 | ring->semaphore.sync_to = gen6_ring_sync; |
| 2818 | /* |
| 2819 | * The current semaphore is only applied on pre-gen8 |
| 2820 | * platform. And there is no VCS2 ring on the pre-gen8 |
| 2821 | * platform. So the semaphore between BCS and VCS2 is |
| 2822 | * initialized as INVALID. Gen8 will initialize the |
| 2823 | * sema between BCS and VCS2 later. |
| 2824 | */ |
| 2825 | ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_BR; |
| 2826 | ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_BV; |
| 2827 | ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_INVALID; |
| 2828 | ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_BVE; |
| 2829 | ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID; |
| 2830 | ring->semaphore.mbox.signal[RCS] = GEN6_RBSYNC; |
| 2831 | ring->semaphore.mbox.signal[VCS] = GEN6_VBSYNC; |
| 2832 | ring->semaphore.mbox.signal[BCS] = GEN6_NOSYNC; |
| 2833 | ring->semaphore.mbox.signal[VECS] = GEN6_VEBSYNC; |
| 2834 | ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC; |
| 2835 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2836 | } |
Daniel Vetter | ecfe00d | 2014-11-20 00:33:04 +0100 | [diff] [blame] | 2837 | ring->init_hw = init_ring_common; |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2838 | |
Chris Wilson | 1ec14ad | 2010-12-04 11:30:53 +0000 | [diff] [blame] | 2839 | return intel_init_ring_buffer(dev, ring); |
Chris Wilson | 549f736 | 2010-10-19 11:19:32 +0100 | [diff] [blame] | 2840 | } |
Chris Wilson | a7b9761 | 2012-07-20 12:41:08 +0100 | [diff] [blame] | 2841 | |
Ben Widawsky | 9a8a221 | 2013-05-28 19:22:23 -0700 | [diff] [blame] | 2842 | int intel_init_vebox_ring_buffer(struct drm_device *dev) |
| 2843 | { |
Jani Nikula | 4640c4f | 2014-03-31 14:27:19 +0300 | [diff] [blame] | 2844 | struct drm_i915_private *dev_priv = dev->dev_private; |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2845 | struct intel_engine_cs *ring = &dev_priv->ring[VECS]; |
Ben Widawsky | 9a8a221 | 2013-05-28 19:22:23 -0700 | [diff] [blame] | 2846 | |
| 2847 | ring->name = "video enhancement ring"; |
| 2848 | ring->id = VECS; |
| 2849 | |
| 2850 | ring->mmio_base = VEBOX_RING_BASE; |
| 2851 | ring->write_tail = ring_write_tail; |
| 2852 | ring->flush = gen6_ring_flush; |
| 2853 | ring->add_request = gen6_add_request; |
| 2854 | ring->get_seqno = gen6_ring_get_seqno; |
| 2855 | ring->set_seqno = ring_set_seqno; |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2856 | |
| 2857 | if (INTEL_INFO(dev)->gen >= 8) { |
| 2858 | ring->irq_enable_mask = |
Daniel Vetter | 40c499f | 2013-11-07 21:40:39 -0800 | [diff] [blame] | 2859 | GT_RENDER_USER_INTERRUPT << GEN8_VECS_IRQ_SHIFT; |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2860 | ring->irq_get = gen8_ring_get_irq; |
| 2861 | ring->irq_put = gen8_ring_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2862 | ring->dispatch_execbuffer = gen8_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2863 | if (i915_semaphore_is_enabled(dev)) { |
Ben Widawsky | 5ee426c | 2014-06-30 09:53:38 -0700 | [diff] [blame] | 2864 | ring->semaphore.sync_to = gen8_ring_sync; |
Ben Widawsky | 3e78998 | 2014-06-30 09:53:37 -0700 | [diff] [blame] | 2865 | ring->semaphore.signal = gen8_xcs_signal; |
| 2866 | GEN8_RING_SEMAPHORE_INIT; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2867 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2868 | } else { |
| 2869 | ring->irq_enable_mask = PM_VEBOX_USER_INTERRUPT; |
| 2870 | ring->irq_get = hsw_vebox_get_irq; |
| 2871 | ring->irq_put = hsw_vebox_put_irq; |
Ben Widawsky | 1c7a062 | 2013-11-02 21:07:12 -0700 | [diff] [blame] | 2872 | ring->dispatch_execbuffer = gen6_ring_dispatch_execbuffer; |
Ben Widawsky | 707d9cf | 2014-06-30 09:53:36 -0700 | [diff] [blame] | 2873 | if (i915_semaphore_is_enabled(dev)) { |
| 2874 | ring->semaphore.sync_to = gen6_ring_sync; |
| 2875 | ring->semaphore.signal = gen6_signal; |
| 2876 | ring->semaphore.mbox.wait[RCS] = MI_SEMAPHORE_SYNC_VER; |
| 2877 | ring->semaphore.mbox.wait[VCS] = MI_SEMAPHORE_SYNC_VEV; |
| 2878 | ring->semaphore.mbox.wait[BCS] = MI_SEMAPHORE_SYNC_VEB; |
| 2879 | ring->semaphore.mbox.wait[VECS] = MI_SEMAPHORE_SYNC_INVALID; |
| 2880 | ring->semaphore.mbox.wait[VCS2] = MI_SEMAPHORE_SYNC_INVALID; |
| 2881 | ring->semaphore.mbox.signal[RCS] = GEN6_RVESYNC; |
| 2882 | ring->semaphore.mbox.signal[VCS] = GEN6_VVESYNC; |
| 2883 | ring->semaphore.mbox.signal[BCS] = GEN6_BVESYNC; |
| 2884 | ring->semaphore.mbox.signal[VECS] = GEN6_NOSYNC; |
| 2885 | ring->semaphore.mbox.signal[VCS2] = GEN6_NOSYNC; |
| 2886 | } |
Ben Widawsky | abd58f0 | 2013-11-02 21:07:09 -0700 | [diff] [blame] | 2887 | } |
Daniel Vetter | ecfe00d | 2014-11-20 00:33:04 +0100 | [diff] [blame] | 2888 | ring->init_hw = init_ring_common; |
Ben Widawsky | 9a8a221 | 2013-05-28 19:22:23 -0700 | [diff] [blame] | 2889 | |
| 2890 | return intel_init_ring_buffer(dev, ring); |
| 2891 | } |
| 2892 | |
Chris Wilson | a7b9761 | 2012-07-20 12:41:08 +0100 | [diff] [blame] | 2893 | int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2894 | intel_ring_flush_all_caches(struct intel_engine_cs *ring) |
Chris Wilson | a7b9761 | 2012-07-20 12:41:08 +0100 | [diff] [blame] | 2895 | { |
| 2896 | int ret; |
| 2897 | |
| 2898 | if (!ring->gpu_caches_dirty) |
| 2899 | return 0; |
| 2900 | |
| 2901 | ret = ring->flush(ring, 0, I915_GEM_GPU_DOMAINS); |
| 2902 | if (ret) |
| 2903 | return ret; |
| 2904 | |
| 2905 | trace_i915_gem_ring_flush(ring, 0, I915_GEM_GPU_DOMAINS); |
| 2906 | |
| 2907 | ring->gpu_caches_dirty = false; |
| 2908 | return 0; |
| 2909 | } |
| 2910 | |
| 2911 | int |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2912 | intel_ring_invalidate_all_caches(struct intel_engine_cs *ring) |
Chris Wilson | a7b9761 | 2012-07-20 12:41:08 +0100 | [diff] [blame] | 2913 | { |
| 2914 | uint32_t flush_domains; |
| 2915 | int ret; |
| 2916 | |
| 2917 | flush_domains = 0; |
| 2918 | if (ring->gpu_caches_dirty) |
| 2919 | flush_domains = I915_GEM_GPU_DOMAINS; |
| 2920 | |
| 2921 | ret = ring->flush(ring, I915_GEM_GPU_DOMAINS, flush_domains); |
| 2922 | if (ret) |
| 2923 | return ret; |
| 2924 | |
| 2925 | trace_i915_gem_ring_flush(ring, I915_GEM_GPU_DOMAINS, flush_domains); |
| 2926 | |
| 2927 | ring->gpu_caches_dirty = false; |
| 2928 | return 0; |
| 2929 | } |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2930 | |
| 2931 | void |
Oscar Mateo | a4872ba | 2014-05-22 14:13:33 +0100 | [diff] [blame] | 2932 | intel_stop_ring_buffer(struct intel_engine_cs *ring) |
Chris Wilson | e3efda4 | 2014-04-09 09:19:41 +0100 | [diff] [blame] | 2933 | { |
| 2934 | int ret; |
| 2935 | |
| 2936 | if (!intel_ring_initialized(ring)) |
| 2937 | return; |
| 2938 | |
| 2939 | ret = intel_ring_idle(ring); |
| 2940 | if (ret && !i915_reset_in_progress(&to_i915(ring->dev)->gpu_error)) |
| 2941 | DRM_ERROR("failed to quiesce %s whilst cleaning up: %d\n", |
| 2942 | ring->name, ret); |
| 2943 | |
| 2944 | stop_ring(ring); |
| 2945 | } |