Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1 | /* r300_cmdbuf.c -- Command buffer emission for R300 -*- linux-c -*- |
| 2 | * |
| 3 | * Copyright (C) The Weather Channel, Inc. 2002. |
| 4 | * Copyright (C) 2004 Nicolai Haehnle. |
| 5 | * All Rights Reserved. |
| 6 | * |
| 7 | * The Weather Channel (TM) funded Tungsten Graphics to develop the |
| 8 | * initial release of the Radeon 8500 driver under the XFree86 license. |
| 9 | * This notice must be preserved. |
| 10 | * |
| 11 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 12 | * copy of this software and associated documentation files (the "Software"), |
| 13 | * to deal in the Software without restriction, including without limitation |
| 14 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 15 | * and/or sell copies of the Software, and to permit persons to whom the |
| 16 | * Software is furnished to do so, subject to the following conditions: |
| 17 | * |
| 18 | * The above copyright notice and this permission notice (including the next |
| 19 | * paragraph) shall be included in all copies or substantial portions of the |
| 20 | * Software. |
| 21 | * |
| 22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 23 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 25 | * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 26 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 27 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 28 | * DEALINGS IN THE SOFTWARE. |
| 29 | * |
| 30 | * Authors: |
| 31 | * Nicolai Haehnle <prefect_@gmx.net> |
| 32 | */ |
| 33 | |
| 34 | #include "drmP.h" |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 35 | #include "drm_buffer.h" |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 36 | #include "radeon_drm.h" |
| 37 | #include "radeon_drv.h" |
| 38 | #include "r300_reg.h" |
| 39 | |
David Miller | 958a6f8 | 2009-02-18 01:35:23 -0800 | [diff] [blame] | 40 | #include <asm/unaligned.h> |
| 41 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 42 | #define R300_SIMULTANEOUS_CLIPRECTS 4 |
| 43 | |
| 44 | /* Values for R300_RE_CLIPRECT_CNTL depending on the number of cliprects |
| 45 | */ |
| 46 | static const int r300_cliprect_cntl[4] = { |
| 47 | 0xAAAA, |
| 48 | 0xEEEE, |
| 49 | 0xFEFE, |
| 50 | 0xFFFE |
| 51 | }; |
| 52 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 53 | /** |
| 54 | * Emit up to R300_SIMULTANEOUS_CLIPRECTS cliprects from the given command |
| 55 | * buffer, starting with index n. |
| 56 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 57 | static int r300_emit_cliprects(drm_radeon_private_t *dev_priv, |
| 58 | drm_radeon_kcmd_buffer_t *cmdbuf, int n) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 59 | { |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 60 | struct drm_clip_rect box; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 61 | int nr; |
| 62 | int i; |
| 63 | RING_LOCALS; |
| 64 | |
| 65 | nr = cmdbuf->nbox - n; |
| 66 | if (nr > R300_SIMULTANEOUS_CLIPRECTS) |
| 67 | nr = R300_SIMULTANEOUS_CLIPRECTS; |
| 68 | |
| 69 | DRM_DEBUG("%i cliprects\n", nr); |
| 70 | |
| 71 | if (nr) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 72 | BEGIN_RING(6 + nr * 2); |
| 73 | OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1)); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 74 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 75 | for (i = 0; i < nr; ++i) { |
| 76 | if (DRM_COPY_FROM_USER_UNCHECKED |
| 77 | (&box, &cmdbuf->boxes[n + i], sizeof(box))) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 78 | DRM_ERROR("copy cliprect faulted\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 79 | return -EFAULT; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 80 | } |
| 81 | |
Nicolai Haehnle | 649ffc0 | 2008-08-13 09:50:12 +1000 | [diff] [blame] | 82 | box.x2--; /* Hardware expects inclusive bottom-right corner */ |
| 83 | box.y2--; |
| 84 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 85 | if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) { |
| 86 | box.x1 = (box.x1) & |
| 87 | R300_CLIPRECT_MASK; |
| 88 | box.y1 = (box.y1) & |
| 89 | R300_CLIPRECT_MASK; |
| 90 | box.x2 = (box.x2) & |
| 91 | R300_CLIPRECT_MASK; |
| 92 | box.y2 = (box.y2) & |
| 93 | R300_CLIPRECT_MASK; |
| 94 | } else { |
| 95 | box.x1 = (box.x1 + R300_CLIPRECT_OFFSET) & |
| 96 | R300_CLIPRECT_MASK; |
| 97 | box.y1 = (box.y1 + R300_CLIPRECT_OFFSET) & |
| 98 | R300_CLIPRECT_MASK; |
| 99 | box.x2 = (box.x2 + R300_CLIPRECT_OFFSET) & |
| 100 | R300_CLIPRECT_MASK; |
| 101 | box.y2 = (box.y2 + R300_CLIPRECT_OFFSET) & |
| 102 | R300_CLIPRECT_MASK; |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 103 | } |
Nicolai Haehnle | 649ffc0 | 2008-08-13 09:50:12 +1000 | [diff] [blame] | 104 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 105 | OUT_RING((box.x1 << R300_CLIPRECT_X_SHIFT) | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 106 | (box.y1 << R300_CLIPRECT_Y_SHIFT)); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 107 | OUT_RING((box.x2 << R300_CLIPRECT_X_SHIFT) | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 108 | (box.y2 << R300_CLIPRECT_Y_SHIFT)); |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 109 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 110 | } |
| 111 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 112 | OUT_RING_REG(R300_RE_CLIPRECT_CNTL, r300_cliprect_cntl[nr - 1]); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 113 | |
| 114 | /* TODO/SECURITY: Force scissors to a safe value, otherwise the |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 115 | * client might be able to trample over memory. |
| 116 | * The impact should be very limited, but I'd rather be safe than |
| 117 | * sorry. |
| 118 | */ |
| 119 | OUT_RING(CP_PACKET0(R300_RE_SCISSORS_TL, 1)); |
| 120 | OUT_RING(0); |
| 121 | OUT_RING(R300_SCISSORS_X_MASK | R300_SCISSORS_Y_MASK); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 122 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 123 | } else { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 124 | /* Why we allow zero cliprect rendering: |
| 125 | * There are some commands in a command buffer that must be submitted |
| 126 | * even when there are no cliprects, e.g. DMA buffer discard |
| 127 | * or state setting (though state setting could be avoided by |
| 128 | * simulating a loss of context). |
| 129 | * |
| 130 | * Now since the cmdbuf interface is so chaotic right now (and is |
| 131 | * bound to remain that way for a bit until things settle down), |
| 132 | * it is basically impossible to filter out the commands that are |
| 133 | * necessary and those that aren't. |
| 134 | * |
| 135 | * So I choose the safe way and don't do any filtering at all; |
| 136 | * instead, I simply set up the engine so that all rendering |
| 137 | * can't produce any fragments. |
| 138 | */ |
| 139 | BEGIN_RING(2); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 140 | OUT_RING_REG(R300_RE_CLIPRECT_CNTL, 0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 141 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 142 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 143 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 144 | /* flus cache and wait idle clean after cliprect change */ |
| 145 | BEGIN_RING(2); |
| 146 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 147 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 148 | ADVANCE_RING(); |
| 149 | BEGIN_RING(2); |
| 150 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 151 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 152 | ADVANCE_RING(); |
| 153 | /* set flush flag */ |
| 154 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 155 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 156 | return 0; |
| 157 | } |
| 158 | |
Dave Airlie | b3a8363 | 2005-09-30 18:37:36 +1000 | [diff] [blame] | 159 | static u8 r300_reg_flags[0x10000 >> 2]; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 160 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 161 | void r300_init_reg_flags(struct drm_device *dev) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 162 | { |
| 163 | int i; |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 164 | drm_radeon_private_t *dev_priv = dev->dev_private; |
| 165 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 166 | memset(r300_reg_flags, 0, 0x10000 >> 2); |
| 167 | #define ADD_RANGE_MARK(reg, count,mark) \ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 168 | for(i=((reg)>>2);i<((reg)>>2)+(count);i++)\ |
| 169 | r300_reg_flags[i]|=(mark); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 170 | |
| 171 | #define MARK_SAFE 1 |
| 172 | #define MARK_CHECK_OFFSET 2 |
| 173 | |
| 174 | #define ADD_RANGE(reg, count) ADD_RANGE_MARK(reg, count, MARK_SAFE) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 175 | |
| 176 | /* these match cmducs() command in r300_driver/r300/r300_cmdbuf.c */ |
| 177 | ADD_RANGE(R300_SE_VPORT_XSCALE, 6); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 178 | ADD_RANGE(R300_VAP_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 179 | ADD_RANGE(R300_SE_VTE_CNTL, 2); |
| 180 | ADD_RANGE(0x2134, 2); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 181 | ADD_RANGE(R300_VAP_CNTL_STATUS, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 182 | ADD_RANGE(R300_VAP_INPUT_CNTL_0, 2); |
| 183 | ADD_RANGE(0x21DC, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 184 | ADD_RANGE(R300_VAP_UNKNOWN_221C, 1); |
| 185 | ADD_RANGE(R300_VAP_CLIP_X_0, 4); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 186 | ADD_RANGE(R300_VAP_PVS_STATE_FLUSH_REG, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 187 | ADD_RANGE(R300_VAP_UNKNOWN_2288, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 188 | ADD_RANGE(R300_VAP_OUTPUT_VTX_FMT_0, 2); |
| 189 | ADD_RANGE(R300_VAP_PVS_CNTL_1, 3); |
| 190 | ADD_RANGE(R300_GB_ENABLE, 1); |
| 191 | ADD_RANGE(R300_GB_MSPOS0, 5); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 192 | ADD_RANGE(R300_TX_INVALTAGS, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 193 | ADD_RANGE(R300_TX_ENABLE, 1); |
| 194 | ADD_RANGE(0x4200, 4); |
| 195 | ADD_RANGE(0x4214, 1); |
| 196 | ADD_RANGE(R300_RE_POINTSIZE, 1); |
| 197 | ADD_RANGE(0x4230, 3); |
| 198 | ADD_RANGE(R300_RE_LINE_CNT, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 199 | ADD_RANGE(R300_RE_UNK4238, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 200 | ADD_RANGE(0x4260, 3); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 201 | ADD_RANGE(R300_RE_SHADE, 4); |
| 202 | ADD_RANGE(R300_RE_POLYGON_MODE, 5); |
| 203 | ADD_RANGE(R300_RE_ZBIAS_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 204 | ADD_RANGE(R300_RE_ZBIAS_T_FACTOR, 4); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 205 | ADD_RANGE(R300_RE_OCCLUSION_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 206 | ADD_RANGE(R300_RE_CULL_CNTL, 1); |
| 207 | ADD_RANGE(0x42C0, 2); |
| 208 | ADD_RANGE(R300_RS_CNTL_0, 2); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 209 | |
Maciej Cencora | af7ae35 | 2009-03-24 01:48:50 +0100 | [diff] [blame] | 210 | ADD_RANGE(R300_SU_REG_DEST, 1); |
| 211 | if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) |
| 212 | ADD_RANGE(RV530_FG_ZBREG_DEST, 1); |
| 213 | |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 214 | ADD_RANGE(R300_SC_HYPERZ, 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 215 | ADD_RANGE(0x43E8, 1); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 216 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 217 | ADD_RANGE(0x46A4, 5); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 218 | |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 219 | ADD_RANGE(R300_RE_FOG_STATE, 1); |
| 220 | ADD_RANGE(R300_FOG_COLOR_R, 3); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 221 | ADD_RANGE(R300_PP_ALPHA_TEST, 2); |
| 222 | ADD_RANGE(0x4BD8, 1); |
| 223 | ADD_RANGE(R300_PFS_PARAM_0_X, 64); |
| 224 | ADD_RANGE(0x4E00, 1); |
| 225 | ADD_RANGE(R300_RB3D_CBLEND, 2); |
| 226 | ADD_RANGE(R300_RB3D_COLORMASK, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 227 | ADD_RANGE(R300_RB3D_BLEND_COLOR, 3); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 228 | ADD_RANGE_MARK(R300_RB3D_COLOROFFSET0, 1, MARK_CHECK_OFFSET); /* check offset */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 229 | ADD_RANGE(R300_RB3D_COLORPITCH0, 1); |
| 230 | ADD_RANGE(0x4E50, 9); |
| 231 | ADD_RANGE(0x4E88, 1); |
| 232 | ADD_RANGE(0x4EA0, 2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 233 | ADD_RANGE(R300_ZB_CNTL, 3); |
| 234 | ADD_RANGE(R300_ZB_FORMAT, 4); |
| 235 | ADD_RANGE_MARK(R300_ZB_DEPTHOFFSET, 1, MARK_CHECK_OFFSET); /* check offset */ |
| 236 | ADD_RANGE(R300_ZB_DEPTHPITCH, 1); |
| 237 | ADD_RANGE(R300_ZB_DEPTHCLEARVALUE, 1); |
| 238 | ADD_RANGE(R300_ZB_ZMASK_OFFSET, 13); |
Maciej Cencora | af7ae35 | 2009-03-24 01:48:50 +0100 | [diff] [blame] | 239 | ADD_RANGE(R300_ZB_ZPASS_DATA, 2); /* ZB_ZPASS_DATA, ZB_ZPASS_ADDR */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 240 | |
| 241 | ADD_RANGE(R300_TX_FILTER_0, 16); |
Dave Airlie | 45f1710 | 2006-03-19 19:12:10 +1100 | [diff] [blame] | 242 | ADD_RANGE(R300_TX_FILTER1_0, 16); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 243 | ADD_RANGE(R300_TX_SIZE_0, 16); |
| 244 | ADD_RANGE(R300_TX_FORMAT_0, 16); |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 245 | ADD_RANGE(R300_TX_PITCH_0, 16); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 246 | /* Texture offset is dangerous and needs more checking */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 247 | ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); |
Dave Airlie | 45f1710 | 2006-03-19 19:12:10 +1100 | [diff] [blame] | 248 | ADD_RANGE(R300_TX_CHROMA_KEY_0, 16); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 249 | ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); |
| 250 | |
| 251 | /* Sporadic registers used as primitives are emitted */ |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 252 | ADD_RANGE(R300_ZB_ZCACHE_CTLSTAT, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 253 | ADD_RANGE(R300_RB3D_DSTCACHE_CTLSTAT, 1); |
| 254 | ADD_RANGE(R300_VAP_INPUT_ROUTE_0_0, 8); |
| 255 | ADD_RANGE(R300_VAP_INPUT_ROUTE_1_0, 8); |
| 256 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 257 | if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) { |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 258 | ADD_RANGE(R500_VAP_INDEX_OFFSET, 1); |
| 259 | ADD_RANGE(R500_US_CONFIG, 2); |
| 260 | ADD_RANGE(R500_US_CODE_ADDR, 3); |
| 261 | ADD_RANGE(R500_US_FC_CTRL, 1); |
| 262 | ADD_RANGE(R500_RS_IP_0, 16); |
| 263 | ADD_RANGE(R500_RS_INST_0, 16); |
| 264 | ADD_RANGE(R500_RB3D_COLOR_CLEAR_VALUE_AR, 2); |
| 265 | ADD_RANGE(R500_RB3D_CONSTANT_COLOR_AR, 2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 266 | ADD_RANGE(R500_ZB_FIFO_SIZE, 2); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 267 | } else { |
| 268 | ADD_RANGE(R300_PFS_CNTL_0, 3); |
| 269 | ADD_RANGE(R300_PFS_NODE_0, 4); |
| 270 | ADD_RANGE(R300_PFS_TEXI_0, 64); |
| 271 | ADD_RANGE(R300_PFS_INSTR0_0, 64); |
| 272 | ADD_RANGE(R300_PFS_INSTR1_0, 64); |
| 273 | ADD_RANGE(R300_PFS_INSTR2_0, 64); |
| 274 | ADD_RANGE(R300_PFS_INSTR3_0, 64); |
| 275 | ADD_RANGE(R300_RS_INTERP_0, 8); |
| 276 | ADD_RANGE(R300_RS_ROUTE_0, 8); |
| 277 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 278 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 279 | } |
| 280 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 281 | static __inline__ int r300_check_range(unsigned reg, int count) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 282 | { |
| 283 | int i; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 284 | if (reg & ~0xffff) |
| 285 | return -1; |
| 286 | for (i = (reg >> 2); i < (reg >> 2) + count; i++) |
| 287 | if (r300_reg_flags[i] != MARK_SAFE) |
| 288 | return 1; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 289 | return 0; |
| 290 | } |
| 291 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 292 | static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t * |
| 293 | dev_priv, |
Dave Airlie | b3a8363 | 2005-09-30 18:37:36 +1000 | [diff] [blame] | 294 | drm_radeon_kcmd_buffer_t |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 295 | * cmdbuf, |
| 296 | drm_r300_cmd_header_t |
| 297 | header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 298 | { |
| 299 | int reg; |
| 300 | int sz; |
| 301 | int i; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 302 | u32 *value; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 303 | RING_LOCALS; |
| 304 | |
| 305 | sz = header.packet0.count; |
| 306 | reg = (header.packet0.reghi << 8) | header.packet0.reglo; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 307 | |
| 308 | if ((sz > 64) || (sz < 0)) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 309 | DRM_ERROR("Cannot emit more than 64 values at a time (reg=%04x sz=%d)\n", |
| 310 | reg, sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 311 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 312 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 313 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 314 | for (i = 0; i < sz; i++) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 315 | switch (r300_reg_flags[(reg >> 2) + i]) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 316 | case MARK_SAFE: |
| 317 | break; |
| 318 | case MARK_CHECK_OFFSET: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 319 | value = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 320 | if (!radeon_check_offset(dev_priv, *value)) { |
| 321 | DRM_ERROR("Offset failed range check (reg=%04x sz=%d)\n", |
| 322 | reg, sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 323 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 324 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 325 | break; |
| 326 | default: |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 327 | DRM_ERROR("Register %04x failed check as flag=%02x\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 328 | reg + i * 4, r300_reg_flags[(reg >> 2) + i]); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 329 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 330 | } |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | BEGIN_RING(1 + sz); |
| 334 | OUT_RING(CP_PACKET0(reg, sz - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 335 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 336 | ADVANCE_RING(); |
| 337 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 338 | return 0; |
| 339 | } |
| 340 | |
| 341 | /** |
| 342 | * Emits a packet0 setting arbitrary registers. |
| 343 | * Called by r300_do_cp_cmdbuf. |
| 344 | * |
| 345 | * Note that checks are performed on contents and addresses of the registers |
| 346 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 347 | static __inline__ int r300_emit_packet0(drm_radeon_private_t *dev_priv, |
| 348 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 349 | drm_r300_cmd_header_t header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 350 | { |
| 351 | int reg; |
| 352 | int sz; |
| 353 | RING_LOCALS; |
| 354 | |
| 355 | sz = header.packet0.count; |
| 356 | reg = (header.packet0.reghi << 8) | header.packet0.reglo; |
| 357 | |
| 358 | if (!sz) |
| 359 | return 0; |
| 360 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 361 | if (sz * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 362 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 363 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 364 | if (reg + sz * 4 >= 0x10000) { |
| 365 | DRM_ERROR("No such registers in hardware reg=%04x sz=%d\n", reg, |
| 366 | sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 367 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 368 | } |
| 369 | |
| 370 | if (r300_check_range(reg, sz)) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 371 | /* go and check everything */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 372 | return r300_emit_carefully_checked_packet0(dev_priv, cmdbuf, |
| 373 | header); |
| 374 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 375 | /* the rest of the data is safe to emit, whatever the values the user passed */ |
| 376 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 377 | BEGIN_RING(1 + sz); |
| 378 | OUT_RING(CP_PACKET0(reg, sz - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 379 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 380 | ADVANCE_RING(); |
| 381 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 382 | return 0; |
| 383 | } |
| 384 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 385 | /** |
| 386 | * Uploads user-supplied vertex program instructions or parameters onto |
| 387 | * the graphics card. |
| 388 | * Called by r300_do_cp_cmdbuf. |
| 389 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 390 | static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv, |
| 391 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 392 | drm_r300_cmd_header_t header) |
| 393 | { |
| 394 | int sz; |
| 395 | int addr; |
| 396 | RING_LOCALS; |
| 397 | |
| 398 | sz = header.vpu.count; |
| 399 | addr = (header.vpu.adrhi << 8) | header.vpu.adrlo; |
| 400 | |
| 401 | if (!sz) |
| 402 | return 0; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 403 | if (sz * 16 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 404 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 405 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 406 | /* VAP is very sensitive so we purge cache before we program it |
| 407 | * and we also flush its state before & after */ |
| 408 | BEGIN_RING(6); |
| 409 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 410 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 411 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 412 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 413 | OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0)); |
| 414 | OUT_RING(0); |
| 415 | ADVANCE_RING(); |
| 416 | /* set flush flag */ |
| 417 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 418 | |
| 419 | BEGIN_RING(3 + sz * 4); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 420 | OUT_RING_REG(R300_VAP_PVS_UPLOAD_ADDRESS, addr); |
| 421 | OUT_RING(CP_PACKET0_TABLE(R300_VAP_PVS_UPLOAD_DATA, sz * 4 - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 422 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * 4); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 423 | ADVANCE_RING(); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 424 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 425 | BEGIN_RING(2); |
| 426 | OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0)); |
| 427 | OUT_RING(0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 428 | ADVANCE_RING(); |
| 429 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 430 | return 0; |
| 431 | } |
| 432 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 433 | /** |
| 434 | * Emit a clear packet from userspace. |
| 435 | * Called by r300_emit_packet3. |
| 436 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 437 | static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv, |
| 438 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 439 | { |
| 440 | RING_LOCALS; |
| 441 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 442 | if (8 * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 443 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 444 | |
| 445 | BEGIN_RING(10); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 446 | OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8)); |
| 447 | OUT_RING(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING | |
| 448 | (1 << R300_PRIM_NUM_VERTICES_SHIFT)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 449 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, 8); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 450 | ADVANCE_RING(); |
| 451 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 452 | BEGIN_RING(4); |
| 453 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 454 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 455 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 456 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 457 | ADVANCE_RING(); |
| 458 | /* set flush flag */ |
| 459 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 460 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 461 | return 0; |
| 462 | } |
| 463 | |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 464 | static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, |
| 465 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 466 | u32 header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 467 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 468 | int count, i, k; |
| 469 | #define MAX_ARRAY_PACKET 64 |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 470 | u32 *data; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 471 | u32 narrays; |
| 472 | RING_LOCALS; |
| 473 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 474 | count = (header & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 475 | |
| 476 | if ((count + 1) > MAX_ARRAY_PACKET) { |
| 477 | DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n", |
| 478 | count); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 479 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 480 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 481 | /* carefully check packet contents */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 482 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 483 | /* We have already read the header so advance the buffer. */ |
| 484 | drm_buffer_advance(cmdbuf->buffer, 4); |
| 485 | |
| 486 | narrays = *(u32 *)drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 487 | k = 0; |
| 488 | i = 1; |
| 489 | while ((k < narrays) && (i < (count + 1))) { |
| 490 | i++; /* skip attribute field */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 491 | data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 492 | if (!radeon_check_offset(dev_priv, *data)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 493 | DRM_ERROR |
| 494 | ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", |
| 495 | k, i); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 496 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 497 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 498 | k++; |
| 499 | i++; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 500 | if (k == narrays) |
| 501 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 502 | /* have one more to process, they come in pairs */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 503 | data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 504 | if (!radeon_check_offset(dev_priv, *data)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 505 | DRM_ERROR |
| 506 | ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", |
| 507 | k, i); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 508 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 509 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 510 | k++; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 511 | i++; |
| 512 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 513 | /* do the counts match what we expect ? */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 514 | if ((k != narrays) || (i != (count + 1))) { |
| 515 | DRM_ERROR |
| 516 | ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n", |
| 517 | k, i, narrays, count + 1); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 518 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 519 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 520 | |
| 521 | /* all clear, output packet */ |
| 522 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 523 | BEGIN_RING(count + 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 524 | OUT_RING(header); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 525 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 526 | ADVANCE_RING(); |
| 527 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 528 | return 0; |
| 529 | } |
Dave Airlie | d5ea702 | 2006-03-19 19:37:55 +1100 | [diff] [blame] | 530 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 531 | static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, |
| 532 | drm_radeon_kcmd_buffer_t *cmdbuf) |
| 533 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 534 | u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 535 | int count, ret; |
| 536 | RING_LOCALS; |
| 537 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 538 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 539 | count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
| 540 | |
| 541 | if (*cmd & 0x8000) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 542 | u32 offset; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 543 | u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
| 544 | if (*cmd1 & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 545 | | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 546 | |
| 547 | u32 *cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2); |
| 548 | offset = *cmd2 << 10; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 1d6bb8e | 2006-12-15 18:54:35 +1100 | [diff] [blame] | 549 | ret = !radeon_check_offset(dev_priv, offset); |
Dave Airlie | 73d72cf | 2006-02-18 16:30:54 +1100 | [diff] [blame] | 550 | if (ret) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 551 | DRM_ERROR("Invalid bitblt first offset is %08X\n", offset); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 552 | return -EINVAL; |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 553 | } |
| 554 | } |
| 555 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 556 | if ((*cmd1 & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) && |
| 557 | (*cmd1 & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { |
| 558 | u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3); |
| 559 | offset = *cmd3 << 10; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 1d6bb8e | 2006-12-15 18:54:35 +1100 | [diff] [blame] | 560 | ret = !radeon_check_offset(dev_priv, offset); |
Dave Airlie | 73d72cf | 2006-02-18 16:30:54 +1100 | [diff] [blame] | 561 | if (ret) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 562 | DRM_ERROR("Invalid bitblt second offset is %08X\n", offset); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 563 | return -EINVAL; |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 564 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 565 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 566 | } |
| 567 | } |
| 568 | |
| 569 | BEGIN_RING(count+2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 570 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 571 | ADVANCE_RING(); |
| 572 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 573 | return 0; |
| 574 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 575 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 576 | static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv, |
| 577 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 578 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 579 | u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 580 | u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 581 | int count; |
| 582 | int expected_count; |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 583 | RING_LOCALS; |
| 584 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 585 | count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
| 586 | |
| 587 | expected_count = *cmd1 >> 16; |
| 588 | if (!(*cmd1 & R300_VAP_VF_CNTL__INDEX_SIZE_32bit)) |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 589 | expected_count = (expected_count+1)/2; |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 590 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 591 | if (count && count != expected_count) { |
| 592 | DRM_ERROR("3D_DRAW_INDX_2: packet size %i, expected %i\n", |
| 593 | count, expected_count); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 594 | return -EINVAL; |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 595 | } |
| 596 | |
| 597 | BEGIN_RING(count+2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 598 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 599 | ADVANCE_RING(); |
| 600 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 601 | if (!count) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 602 | drm_r300_cmd_header_t stack_header, *header; |
| 603 | u32 *cmd1, *cmd2, *cmd3; |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 604 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 605 | if (drm_buffer_unprocessed(cmdbuf->buffer) |
| 606 | < 4*4 + sizeof(stack_header)) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 607 | DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER, but stream is too short.\n"); |
| 608 | return -EINVAL; |
| 609 | } |
| 610 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 611 | header = drm_buffer_read_object(cmdbuf->buffer, |
| 612 | sizeof(stack_header), &stack_header); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 613 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 614 | cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 615 | cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
| 616 | cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2); |
| 617 | cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 618 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 619 | if (header->header.cmd_type != R300_CMD_PACKET3 || |
| 620 | header->packet3.packet != R300_CMD_PACKET3_RAW || |
| 621 | *cmd != CP_PACKET3(RADEON_CP_INDX_BUFFER, 2)) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 622 | DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER.\n"); |
| 623 | return -EINVAL; |
| 624 | } |
| 625 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 626 | if ((*cmd1 & 0x8000ffff) != 0x80000810) { |
| 627 | DRM_ERROR("Invalid indx_buffer reg address %08X\n", |
| 628 | *cmd1); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 629 | return -EINVAL; |
| 630 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 631 | if (!radeon_check_offset(dev_priv, *cmd2)) { |
| 632 | DRM_ERROR("Invalid indx_buffer offset is %08X\n", |
| 633 | *cmd2); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 634 | return -EINVAL; |
| 635 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 636 | if (*cmd3 != expected_count) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 637 | DRM_ERROR("INDX_BUFFER: buffer size %i, expected %i\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 638 | *cmd3, expected_count); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 639 | return -EINVAL; |
| 640 | } |
| 641 | |
| 642 | BEGIN_RING(4); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 643 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, 4); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 644 | ADVANCE_RING(); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 645 | } |
| 646 | |
Roland Scheidegger | a1aa289 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 647 | return 0; |
| 648 | } |
| 649 | |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 650 | static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv, |
| 651 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 652 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 653 | u32 *header; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 654 | int count; |
| 655 | RING_LOCALS; |
| 656 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 657 | if (4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 658 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 659 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 660 | /* Fixme !! This simply emits a packet without much checking. |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 661 | We need to be smarter. */ |
| 662 | |
| 663 | /* obtain first word - actual packet3 header */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 664 | header = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 665 | |
| 666 | /* Is it packet 3 ? */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 667 | if ((*header >> 30) != 0x3) { |
| 668 | DRM_ERROR("Not a packet3 header (0x%08x)\n", *header); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 669 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 670 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 671 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 672 | count = (*header >> 16) & 0x3fff; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 673 | |
| 674 | /* Check again now that we know how much data to expect */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 675 | if ((count + 2) * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 676 | DRM_ERROR |
| 677 | ("Expected packet3 of length %d but have only %d bytes left\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 678 | (count + 2) * 4, drm_buffer_unprocessed(cmdbuf->buffer)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 679 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 680 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 681 | |
| 682 | /* Is it a packet type we know about ? */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 683 | switch (*header & 0xff00) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 684 | case RADEON_3D_LOAD_VBPNTR: /* load vertex array pointers */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 685 | return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 686 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 687 | case RADEON_CNTL_BITBLT_MULTI: |
| 688 | return r300_emit_bitblt_multi(dev_priv, cmdbuf); |
| 689 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 690 | case RADEON_CP_INDX_BUFFER: |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 691 | DRM_ERROR("packet3 INDX_BUFFER without preceding 3D_DRAW_INDX_2 is illegal.\n"); |
| 692 | return -EINVAL; |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 693 | case RADEON_CP_3D_DRAW_IMMD_2: |
| 694 | /* triggers drawing using in-packet vertex data */ |
| 695 | case RADEON_CP_3D_DRAW_VBUF_2: |
| 696 | /* triggers drawing of vertex buffers setup elsewhere */ |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 697 | dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED | |
| 698 | RADEON_PURGE_EMITED); |
| 699 | break; |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 700 | case RADEON_CP_3D_DRAW_INDX_2: |
| 701 | /* triggers drawing using indices to vertex buffer */ |
| 702 | /* whenever we send vertex we clear flush & purge */ |
| 703 | dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED | |
| 704 | RADEON_PURGE_EMITED); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 705 | return r300_emit_draw_indx_2(dev_priv, cmdbuf); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 706 | case RADEON_WAIT_FOR_IDLE: |
| 707 | case RADEON_CP_NOP: |
| 708 | /* these packets are safe */ |
| 709 | break; |
| 710 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 711 | DRM_ERROR("Unknown packet3 header (0x%08x)\n", *header); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 712 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 713 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 714 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 715 | BEGIN_RING(count + 2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 716 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 717 | ADVANCE_RING(); |
| 718 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 719 | return 0; |
| 720 | } |
| 721 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 722 | /** |
| 723 | * Emit a rendering packet3 from userspace. |
| 724 | * Called by r300_do_cp_cmdbuf. |
| 725 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 726 | static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv, |
| 727 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 728 | drm_r300_cmd_header_t header) |
| 729 | { |
| 730 | int n; |
| 731 | int ret; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 732 | int orig_iter = cmdbuf->buffer->iterator; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 733 | |
| 734 | /* This is a do-while-loop so that we run the interior at least once, |
| 735 | * even if cmdbuf->nbox is 0. Compare r300_emit_cliprects for rationale. |
| 736 | */ |
| 737 | n = 0; |
| 738 | do { |
| 739 | if (cmdbuf->nbox > R300_SIMULTANEOUS_CLIPRECTS) { |
| 740 | ret = r300_emit_cliprects(dev_priv, cmdbuf, n); |
| 741 | if (ret) |
| 742 | return ret; |
| 743 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 744 | cmdbuf->buffer->iterator = orig_iter; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 745 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 746 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 747 | switch (header.packet3.packet) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 748 | case R300_CMD_PACKET3_CLEAR: |
| 749 | DRM_DEBUG("R300_CMD_PACKET3_CLEAR\n"); |
| 750 | ret = r300_emit_clear(dev_priv, cmdbuf); |
| 751 | if (ret) { |
| 752 | DRM_ERROR("r300_emit_clear failed\n"); |
| 753 | return ret; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 754 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 755 | break; |
| 756 | |
| 757 | case R300_CMD_PACKET3_RAW: |
| 758 | DRM_DEBUG("R300_CMD_PACKET3_RAW\n"); |
| 759 | ret = r300_emit_raw_packet3(dev_priv, cmdbuf); |
| 760 | if (ret) { |
| 761 | DRM_ERROR("r300_emit_raw_packet3 failed\n"); |
| 762 | return ret; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 763 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 764 | break; |
| 765 | |
| 766 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 767 | DRM_ERROR("bad packet3 type %i at byte %d\n", |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 768 | header.packet3.packet, |
Pauli Nieminen | 55a5cb5 | 2010-03-01 11:37:11 +0200 | [diff] [blame] | 769 | cmdbuf->buffer->iterator - (int)sizeof(header)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 770 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 771 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 772 | |
| 773 | n += R300_SIMULTANEOUS_CLIPRECTS; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 774 | } while (n < cmdbuf->nbox); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 775 | |
| 776 | return 0; |
| 777 | } |
| 778 | |
| 779 | /* Some of the R300 chips seem to be extremely touchy about the two registers |
| 780 | * that are configured in r300_pacify. |
| 781 | * Among the worst offenders seems to be the R300 ND (0x4E44): When userspace |
| 782 | * sends a command buffer that contains only state setting commands and a |
| 783 | * vertex program/parameter upload sequence, this will eventually lead to a |
| 784 | * lockup, unless the sequence is bracketed by calls to r300_pacify. |
| 785 | * So we should take great care to *always* call r300_pacify before |
| 786 | * *anything* 3D related, and again afterwards. This is what the |
| 787 | * call bracket in r300_do_cp_cmdbuf is for. |
| 788 | */ |
| 789 | |
| 790 | /** |
| 791 | * Emit the sequence to pacify R300. |
| 792 | */ |
Andi Kleen | ce580fa | 2011-10-13 16:08:47 -0700 | [diff] [blame] | 793 | static void r300_pacify(drm_radeon_private_t *dev_priv) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 794 | { |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 795 | uint32_t cache_z, cache_3d, cache_2d; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 796 | RING_LOCALS; |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 797 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 798 | cache_z = R300_ZC_FLUSH; |
| 799 | cache_2d = R300_RB2D_DC_FLUSH; |
| 800 | cache_3d = R300_RB3D_DC_FLUSH; |
| 801 | if (!(dev_priv->track_flush & RADEON_PURGE_EMITED)) { |
| 802 | /* we can purge, primitive where draw since last purge */ |
| 803 | cache_z |= R300_ZC_FREE; |
| 804 | cache_2d |= R300_RB2D_DC_FREE; |
| 805 | cache_3d |= R300_RB3D_DC_FREE; |
| 806 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 807 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 808 | /* flush & purge zbuffer */ |
| 809 | BEGIN_RING(2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 810 | OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0)); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 811 | OUT_RING(cache_z); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 812 | ADVANCE_RING(); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 813 | /* flush & purge 3d */ |
| 814 | BEGIN_RING(2); |
| 815 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 816 | OUT_RING(cache_3d); |
| 817 | ADVANCE_RING(); |
| 818 | /* flush & purge texture */ |
| 819 | BEGIN_RING(2); |
| 820 | OUT_RING(CP_PACKET0(R300_TX_INVALTAGS, 0)); |
| 821 | OUT_RING(0); |
| 822 | ADVANCE_RING(); |
| 823 | /* FIXME: is this one really needed ? */ |
| 824 | BEGIN_RING(2); |
| 825 | OUT_RING(CP_PACKET0(R300_RB3D_AARESOLVE_CTL, 0)); |
| 826 | OUT_RING(0); |
| 827 | ADVANCE_RING(); |
| 828 | BEGIN_RING(2); |
| 829 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 830 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 831 | ADVANCE_RING(); |
| 832 | /* flush & purge 2d through E2 as RB2D will trigger lockup */ |
| 833 | BEGIN_RING(4); |
| 834 | OUT_RING(CP_PACKET0(R300_DSTCACHE_CTLSTAT, 0)); |
| 835 | OUT_RING(cache_2d); |
| 836 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 837 | OUT_RING(RADEON_WAIT_2D_IDLECLEAN | |
| 838 | RADEON_WAIT_HOST_IDLECLEAN); |
| 839 | ADVANCE_RING(); |
| 840 | /* set flush & purge flags */ |
| 841 | dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 842 | } |
| 843 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 844 | /** |
| 845 | * Called by r300_do_cp_cmdbuf to update the internal buffer age and state. |
| 846 | * The actual age emit is done by r300_do_cp_cmdbuf, which is why you must |
| 847 | * be careful about how this function is called. |
| 848 | */ |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 849 | static void r300_discard_buffer(struct drm_device *dev, struct drm_master *master, struct drm_buf *buf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 850 | { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 851 | drm_radeon_buf_priv_t *buf_priv = buf->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 852 | struct drm_radeon_master_private *master_priv = master->driver_priv; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 853 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 854 | buf_priv->age = ++master_priv->sarea_priv->last_dispatch; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 855 | buf->pending = 1; |
| 856 | buf->used = 0; |
| 857 | } |
| 858 | |
Dave Airlie | 0c76be3 | 2008-03-30 07:51:49 +1000 | [diff] [blame] | 859 | static void r300_cmd_wait(drm_radeon_private_t * dev_priv, |
| 860 | drm_r300_cmd_header_t header) |
| 861 | { |
| 862 | u32 wait_until; |
| 863 | RING_LOCALS; |
| 864 | |
| 865 | if (!header.wait.flags) |
| 866 | return; |
| 867 | |
| 868 | wait_until = 0; |
| 869 | |
| 870 | switch(header.wait.flags) { |
| 871 | case R300_WAIT_2D: |
| 872 | wait_until = RADEON_WAIT_2D_IDLE; |
| 873 | break; |
| 874 | case R300_WAIT_3D: |
| 875 | wait_until = RADEON_WAIT_3D_IDLE; |
| 876 | break; |
| 877 | case R300_NEW_WAIT_2D_3D: |
| 878 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_3D_IDLE; |
| 879 | break; |
| 880 | case R300_NEW_WAIT_2D_2D_CLEAN: |
| 881 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; |
| 882 | break; |
| 883 | case R300_NEW_WAIT_3D_3D_CLEAN: |
| 884 | wait_until = RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; |
| 885 | break; |
| 886 | case R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN: |
| 887 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; |
| 888 | wait_until |= RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; |
| 889 | break; |
| 890 | default: |
| 891 | return; |
| 892 | } |
| 893 | |
| 894 | BEGIN_RING(2); |
| 895 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 896 | OUT_RING(wait_until); |
| 897 | ADVANCE_RING(); |
| 898 | } |
| 899 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 900 | static int r300_scratch(drm_radeon_private_t *dev_priv, |
| 901 | drm_radeon_kcmd_buffer_t *cmdbuf, |
| 902 | drm_r300_cmd_header_t header) |
| 903 | { |
| 904 | u32 *ref_age_base; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 905 | u32 i, *buf_idx, h_pending; |
| 906 | u64 *ptr_addr; |
| 907 | u64 stack_ptr_addr; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 908 | RING_LOCALS; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 909 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 910 | if (drm_buffer_unprocessed(cmdbuf->buffer) < |
| 911 | (sizeof(u64) + header.scratch.n_bufs * sizeof(*buf_idx))) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 912 | return -EINVAL; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 913 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 914 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 915 | if (header.scratch.reg >= 5) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 916 | return -EINVAL; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 917 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 918 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 919 | dev_priv->scratch_ages[header.scratch.reg]++; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 920 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 921 | ptr_addr = drm_buffer_read_object(cmdbuf->buffer, |
| 922 | sizeof(stack_ptr_addr), &stack_ptr_addr); |
David Miller | 88b0450 | 2010-04-26 02:55:42 -0700 | [diff] [blame] | 923 | ref_age_base = (u32 *)(unsigned long)get_unaligned(ptr_addr); |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 924 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 925 | for (i=0; i < header.scratch.n_bufs; i++) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 926 | buf_idx = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 927 | *buf_idx *= 2; /* 8 bytes per buf */ |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 928 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 929 | if (DRM_COPY_TO_USER(ref_age_base + *buf_idx, |
| 930 | &dev_priv->scratch_ages[header.scratch.reg], |
| 931 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 932 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 933 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 934 | if (DRM_COPY_FROM_USER(&h_pending, |
| 935 | ref_age_base + *buf_idx + 1, |
| 936 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 937 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 938 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 939 | if (h_pending == 0) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 940 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 941 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 942 | h_pending--; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 943 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 944 | if (DRM_COPY_TO_USER(ref_age_base + *buf_idx + 1, |
| 945 | &h_pending, |
| 946 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 947 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 948 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 949 | drm_buffer_advance(cmdbuf->buffer, sizeof(*buf_idx)); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 950 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 951 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 952 | BEGIN_RING(2); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 953 | OUT_RING( CP_PACKET0( RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0 ) ); |
| 954 | OUT_RING( dev_priv->scratch_ages[header.scratch.reg] ); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 955 | ADVANCE_RING(); |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 956 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 957 | return 0; |
| 958 | } |
| 959 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 960 | /** |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 961 | * Uploads user-supplied vertex program instructions or parameters onto |
| 962 | * the graphics card. |
| 963 | * Called by r300_do_cp_cmdbuf. |
| 964 | */ |
| 965 | static inline int r300_emit_r500fp(drm_radeon_private_t *dev_priv, |
| 966 | drm_radeon_kcmd_buffer_t *cmdbuf, |
| 967 | drm_r300_cmd_header_t header) |
| 968 | { |
| 969 | int sz; |
| 970 | int addr; |
| 971 | int type; |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 972 | int isclamp; |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 973 | int stride; |
| 974 | RING_LOCALS; |
| 975 | |
| 976 | sz = header.r500fp.count; |
| 977 | /* address is 9 bits 0 - 8, bit 1 of flags is part of address */ |
| 978 | addr = ((header.r500fp.adrhi_flags & 1) << 8) | header.r500fp.adrlo; |
| 979 | |
| 980 | type = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_TYPE); |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 981 | isclamp = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_CLAMP); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 982 | |
| 983 | addr |= (type << 16); |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 984 | addr |= (isclamp << 17); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 985 | |
| 986 | stride = type ? 4 : 6; |
| 987 | |
| 988 | DRM_DEBUG("r500fp %d %d type: %d\n", sz, addr, type); |
| 989 | if (!sz) |
| 990 | return 0; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 991 | if (sz * stride * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 992 | return -EINVAL; |
| 993 | |
| 994 | BEGIN_RING(3 + sz * stride); |
| 995 | OUT_RING_REG(R500_GA_US_VECTOR_INDEX, addr); |
| 996 | OUT_RING(CP_PACKET0_TABLE(R500_GA_US_VECTOR_DATA, sz * stride - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 997 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * stride); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 998 | |
| 999 | ADVANCE_RING(); |
| 1000 | |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1001 | return 0; |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | /** |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1006 | * Parses and validates a user-supplied command buffer and emits appropriate |
| 1007 | * commands on the DMA ring buffer. |
| 1008 | * Called by the ioctl handler function radeon_cp_cmdbuf. |
| 1009 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1010 | int r300_do_cp_cmdbuf(struct drm_device *dev, |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1011 | struct drm_file *file_priv, |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 1012 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1013 | { |
| 1014 | drm_radeon_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1015 | struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 1016 | struct drm_device_dma *dma = dev->dma; |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 1017 | struct drm_buf *buf = NULL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1018 | int emit_dispatch_age = 0; |
| 1019 | int ret = 0; |
| 1020 | |
| 1021 | DRM_DEBUG("\n"); |
| 1022 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 1023 | /* pacify */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1024 | r300_pacify(dev_priv); |
| 1025 | |
| 1026 | if (cmdbuf->nbox <= R300_SIMULTANEOUS_CLIPRECTS) { |
| 1027 | ret = r300_emit_cliprects(dev_priv, cmdbuf, 0); |
| 1028 | if (ret) |
| 1029 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1030 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1031 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1032 | while (drm_buffer_unprocessed(cmdbuf->buffer) |
| 1033 | >= sizeof(drm_r300_cmd_header_t)) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1034 | int idx; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1035 | drm_r300_cmd_header_t *header, stack_header; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1036 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1037 | header = drm_buffer_read_object(cmdbuf->buffer, |
| 1038 | sizeof(stack_header), &stack_header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1039 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1040 | switch (header->header.cmd_type) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1041 | case R300_CMD_PACKET0: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1042 | DRM_DEBUG("R300_CMD_PACKET0\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1043 | ret = r300_emit_packet0(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1044 | if (ret) { |
| 1045 | DRM_ERROR("r300_emit_packet0 failed\n"); |
| 1046 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1047 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1048 | break; |
| 1049 | |
| 1050 | case R300_CMD_VPU: |
| 1051 | DRM_DEBUG("R300_CMD_VPU\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1052 | ret = r300_emit_vpu(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1053 | if (ret) { |
| 1054 | DRM_ERROR("r300_emit_vpu failed\n"); |
| 1055 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1056 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1057 | break; |
| 1058 | |
| 1059 | case R300_CMD_PACKET3: |
| 1060 | DRM_DEBUG("R300_CMD_PACKET3\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1061 | ret = r300_emit_packet3(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1062 | if (ret) { |
| 1063 | DRM_ERROR("r300_emit_packet3 failed\n"); |
| 1064 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1065 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1066 | break; |
| 1067 | |
| 1068 | case R300_CMD_END3D: |
| 1069 | DRM_DEBUG("R300_CMD_END3D\n"); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1070 | /* TODO: |
| 1071 | Ideally userspace driver should not need to issue this call, |
| 1072 | i.e. the drm driver should issue it automatically and prevent |
| 1073 | lockups. |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1074 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1075 | In practice, we do not understand why this call is needed and what |
| 1076 | it does (except for some vague guesses that it has to do with cache |
| 1077 | coherence) and so the user space driver does it. |
| 1078 | |
| 1079 | Once we are sure which uses prevent lockups the code could be moved |
| 1080 | into the kernel and the userspace driver will not |
| 1081 | need to use this command. |
| 1082 | |
| 1083 | Note that issuing this command does not hurt anything |
| 1084 | except, possibly, performance */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1085 | r300_pacify(dev_priv); |
| 1086 | break; |
| 1087 | |
| 1088 | case R300_CMD_CP_DELAY: |
| 1089 | /* simple enough, we can do it here */ |
| 1090 | DRM_DEBUG("R300_CMD_CP_DELAY\n"); |
| 1091 | { |
| 1092 | int i; |
| 1093 | RING_LOCALS; |
| 1094 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1095 | BEGIN_RING(header->delay.count); |
| 1096 | for (i = 0; i < header->delay.count; i++) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1097 | OUT_RING(RADEON_CP_PACKET2); |
| 1098 | ADVANCE_RING(); |
| 1099 | } |
| 1100 | break; |
| 1101 | |
| 1102 | case R300_CMD_DMA_DISCARD: |
| 1103 | DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1104 | idx = header->dma.buf_idx; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1105 | if (idx < 0 || idx >= dma->buf_count) { |
| 1106 | DRM_ERROR("buffer index %d (of %d max)\n", |
| 1107 | idx, dma->buf_count - 1); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1108 | ret = -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1109 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1110 | } |
| 1111 | |
| 1112 | buf = dma->buflist[idx]; |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1113 | if (buf->file_priv != file_priv || buf->pending) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1114 | DRM_ERROR("bad buffer %p %p %d\n", |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1115 | buf->file_priv, file_priv, |
| 1116 | buf->pending); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1117 | ret = -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1118 | goto cleanup; |
| 1119 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1120 | |
| 1121 | emit_dispatch_age = 1; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1122 | r300_discard_buffer(dev, file_priv->master, buf); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1123 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1124 | |
| 1125 | case R300_CMD_WAIT: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1126 | DRM_DEBUG("R300_CMD_WAIT\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1127 | r300_cmd_wait(dev_priv, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1128 | break; |
| 1129 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 1130 | case R300_CMD_SCRATCH: |
| 1131 | DRM_DEBUG("R300_CMD_SCRATCH\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1132 | ret = r300_scratch(dev_priv, cmdbuf, *header); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 1133 | if (ret) { |
| 1134 | DRM_ERROR("r300_scratch failed\n"); |
| 1135 | goto cleanup; |
| 1136 | } |
| 1137 | break; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 1138 | |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1139 | case R300_CMD_R500FP: |
| 1140 | if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV515) { |
| 1141 | DRM_ERROR("Calling r500 command on r300 card\n"); |
| 1142 | ret = -EINVAL; |
| 1143 | goto cleanup; |
| 1144 | } |
| 1145 | DRM_DEBUG("R300_CMD_R500FP\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1146 | ret = r300_emit_r500fp(dev_priv, cmdbuf, *header); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1147 | if (ret) { |
| 1148 | DRM_ERROR("r300_emit_r500fp failed\n"); |
| 1149 | goto cleanup; |
| 1150 | } |
| 1151 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1152 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1153 | DRM_ERROR("bad cmd_type %i at byte %d\n", |
| 1154 | header->header.cmd_type, |
Pauli Nieminen | 55a5cb5 | 2010-03-01 11:37:11 +0200 | [diff] [blame] | 1155 | cmdbuf->buffer->iterator - (int)sizeof(*header)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1156 | ret = -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1157 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1158 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1159 | } |
| 1160 | |
| 1161 | DRM_DEBUG("END\n"); |
| 1162 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1163 | cleanup: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1164 | r300_pacify(dev_priv); |
| 1165 | |
| 1166 | /* We emit the vertex buffer age here, outside the pacifier "brackets" |
| 1167 | * for two reasons: |
| 1168 | * (1) This may coalesce multiple age emissions into a single one and |
| 1169 | * (2) more importantly, some chips lock up hard when scratch registers |
| 1170 | * are written inside the pacifier bracket. |
| 1171 | */ |
| 1172 | if (emit_dispatch_age) { |
| 1173 | RING_LOCALS; |
| 1174 | |
| 1175 | /* Emit the vertex buffer age */ |
| 1176 | BEGIN_RING(2); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1177 | RADEON_DISPATCH_AGE(master_priv->sarea_priv->last_dispatch); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1178 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1179 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1180 | |
| 1181 | COMMIT_RING(); |
| 1182 | |
| 1183 | return ret; |
| 1184 | } |