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> |
Christian König | 14adc89 | 2013-01-21 13:58:46 +0100 | [diff] [blame] | 32 | * |
| 33 | * ------------------------ This file is DEPRECATED! ------------------------- |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 34 | */ |
| 35 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 36 | #include <drm/drmP.h> |
| 37 | #include <drm/drm_buffer.h> |
| 38 | #include <drm/radeon_drm.h> |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 39 | #include "radeon_drv.h" |
| 40 | #include "r300_reg.h" |
| 41 | |
David Miller | 958a6f8 | 2009-02-18 01:35:23 -0800 | [diff] [blame] | 42 | #include <asm/unaligned.h> |
| 43 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 44 | #define R300_SIMULTANEOUS_CLIPRECTS 4 |
| 45 | |
| 46 | /* Values for R300_RE_CLIPRECT_CNTL depending on the number of cliprects |
| 47 | */ |
| 48 | static const int r300_cliprect_cntl[4] = { |
| 49 | 0xAAAA, |
| 50 | 0xEEEE, |
| 51 | 0xFEFE, |
| 52 | 0xFFFE |
| 53 | }; |
| 54 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 55 | /** |
| 56 | * Emit up to R300_SIMULTANEOUS_CLIPRECTS cliprects from the given command |
| 57 | * buffer, starting with index n. |
| 58 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 59 | static int r300_emit_cliprects(drm_radeon_private_t *dev_priv, |
| 60 | drm_radeon_kcmd_buffer_t *cmdbuf, int n) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 61 | { |
Dave Airlie | c60ce62 | 2007-07-11 15:27:12 +1000 | [diff] [blame] | 62 | struct drm_clip_rect box; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 63 | int nr; |
| 64 | int i; |
| 65 | RING_LOCALS; |
| 66 | |
| 67 | nr = cmdbuf->nbox - n; |
| 68 | if (nr > R300_SIMULTANEOUS_CLIPRECTS) |
| 69 | nr = R300_SIMULTANEOUS_CLIPRECTS; |
| 70 | |
| 71 | DRM_DEBUG("%i cliprects\n", nr); |
| 72 | |
| 73 | if (nr) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 74 | BEGIN_RING(6 + nr * 2); |
| 75 | OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1)); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 76 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 77 | for (i = 0; i < nr; ++i) { |
| 78 | if (DRM_COPY_FROM_USER_UNCHECKED |
| 79 | (&box, &cmdbuf->boxes[n + i], sizeof(box))) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 80 | DRM_ERROR("copy cliprect faulted\n"); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 81 | return -EFAULT; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 82 | } |
| 83 | |
Nicolai Haehnle | 649ffc0 | 2008-08-13 09:50:12 +1000 | [diff] [blame] | 84 | box.x2--; /* Hardware expects inclusive bottom-right corner */ |
| 85 | box.y2--; |
| 86 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 87 | if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) { |
| 88 | box.x1 = (box.x1) & |
| 89 | R300_CLIPRECT_MASK; |
| 90 | box.y1 = (box.y1) & |
| 91 | R300_CLIPRECT_MASK; |
| 92 | box.x2 = (box.x2) & |
| 93 | R300_CLIPRECT_MASK; |
| 94 | box.y2 = (box.y2) & |
| 95 | R300_CLIPRECT_MASK; |
| 96 | } else { |
| 97 | box.x1 = (box.x1 + R300_CLIPRECT_OFFSET) & |
| 98 | R300_CLIPRECT_MASK; |
| 99 | box.y1 = (box.y1 + R300_CLIPRECT_OFFSET) & |
| 100 | R300_CLIPRECT_MASK; |
| 101 | box.x2 = (box.x2 + R300_CLIPRECT_OFFSET) & |
| 102 | R300_CLIPRECT_MASK; |
| 103 | box.y2 = (box.y2 + R300_CLIPRECT_OFFSET) & |
| 104 | R300_CLIPRECT_MASK; |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 105 | } |
Nicolai Haehnle | 649ffc0 | 2008-08-13 09:50:12 +1000 | [diff] [blame] | 106 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 107 | OUT_RING((box.x1 << R300_CLIPRECT_X_SHIFT) | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 108 | (box.y1 << R300_CLIPRECT_Y_SHIFT)); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 109 | OUT_RING((box.x2 << R300_CLIPRECT_X_SHIFT) | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 110 | (box.y2 << R300_CLIPRECT_Y_SHIFT)); |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 111 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 112 | } |
| 113 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 114 | OUT_RING_REG(R300_RE_CLIPRECT_CNTL, r300_cliprect_cntl[nr - 1]); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 115 | |
| 116 | /* TODO/SECURITY: Force scissors to a safe value, otherwise the |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 117 | * client might be able to trample over memory. |
| 118 | * The impact should be very limited, but I'd rather be safe than |
| 119 | * sorry. |
| 120 | */ |
| 121 | OUT_RING(CP_PACKET0(R300_RE_SCISSORS_TL, 1)); |
| 122 | OUT_RING(0); |
| 123 | OUT_RING(R300_SCISSORS_X_MASK | R300_SCISSORS_Y_MASK); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 124 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 125 | } else { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 126 | /* Why we allow zero cliprect rendering: |
| 127 | * There are some commands in a command buffer that must be submitted |
| 128 | * even when there are no cliprects, e.g. DMA buffer discard |
| 129 | * or state setting (though state setting could be avoided by |
| 130 | * simulating a loss of context). |
| 131 | * |
| 132 | * Now since the cmdbuf interface is so chaotic right now (and is |
| 133 | * bound to remain that way for a bit until things settle down), |
| 134 | * it is basically impossible to filter out the commands that are |
| 135 | * necessary and those that aren't. |
| 136 | * |
| 137 | * So I choose the safe way and don't do any filtering at all; |
| 138 | * instead, I simply set up the engine so that all rendering |
| 139 | * can't produce any fragments. |
| 140 | */ |
| 141 | BEGIN_RING(2); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 142 | OUT_RING_REG(R300_RE_CLIPRECT_CNTL, 0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 143 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 144 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 145 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 146 | /* flus cache and wait idle clean after cliprect change */ |
| 147 | BEGIN_RING(2); |
| 148 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 149 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 150 | ADVANCE_RING(); |
| 151 | BEGIN_RING(2); |
| 152 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 153 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 154 | ADVANCE_RING(); |
| 155 | /* set flush flag */ |
| 156 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 157 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 158 | return 0; |
| 159 | } |
| 160 | |
Dave Airlie | b3a8363 | 2005-09-30 18:37:36 +1000 | [diff] [blame] | 161 | static u8 r300_reg_flags[0x10000 >> 2]; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 162 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 163 | void r300_init_reg_flags(struct drm_device *dev) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 164 | { |
| 165 | int i; |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 166 | drm_radeon_private_t *dev_priv = dev->dev_private; |
| 167 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 168 | memset(r300_reg_flags, 0, 0x10000 >> 2); |
| 169 | #define ADD_RANGE_MARK(reg, count,mark) \ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 170 | for(i=((reg)>>2);i<((reg)>>2)+(count);i++)\ |
| 171 | r300_reg_flags[i]|=(mark); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 172 | |
| 173 | #define MARK_SAFE 1 |
| 174 | #define MARK_CHECK_OFFSET 2 |
| 175 | |
| 176 | #define ADD_RANGE(reg, count) ADD_RANGE_MARK(reg, count, MARK_SAFE) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 177 | |
| 178 | /* these match cmducs() command in r300_driver/r300/r300_cmdbuf.c */ |
| 179 | ADD_RANGE(R300_SE_VPORT_XSCALE, 6); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 180 | ADD_RANGE(R300_VAP_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 181 | ADD_RANGE(R300_SE_VTE_CNTL, 2); |
| 182 | ADD_RANGE(0x2134, 2); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 183 | ADD_RANGE(R300_VAP_CNTL_STATUS, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 184 | ADD_RANGE(R300_VAP_INPUT_CNTL_0, 2); |
| 185 | ADD_RANGE(0x21DC, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 186 | ADD_RANGE(R300_VAP_UNKNOWN_221C, 1); |
| 187 | ADD_RANGE(R300_VAP_CLIP_X_0, 4); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 188 | ADD_RANGE(R300_VAP_PVS_STATE_FLUSH_REG, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 189 | ADD_RANGE(R300_VAP_UNKNOWN_2288, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 190 | ADD_RANGE(R300_VAP_OUTPUT_VTX_FMT_0, 2); |
| 191 | ADD_RANGE(R300_VAP_PVS_CNTL_1, 3); |
| 192 | ADD_RANGE(R300_GB_ENABLE, 1); |
| 193 | ADD_RANGE(R300_GB_MSPOS0, 5); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 194 | ADD_RANGE(R300_TX_INVALTAGS, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 195 | ADD_RANGE(R300_TX_ENABLE, 1); |
| 196 | ADD_RANGE(0x4200, 4); |
| 197 | ADD_RANGE(0x4214, 1); |
| 198 | ADD_RANGE(R300_RE_POINTSIZE, 1); |
| 199 | ADD_RANGE(0x4230, 3); |
| 200 | ADD_RANGE(R300_RE_LINE_CNT, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 201 | ADD_RANGE(R300_RE_UNK4238, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 202 | ADD_RANGE(0x4260, 3); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 203 | ADD_RANGE(R300_RE_SHADE, 4); |
| 204 | ADD_RANGE(R300_RE_POLYGON_MODE, 5); |
| 205 | ADD_RANGE(R300_RE_ZBIAS_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 206 | ADD_RANGE(R300_RE_ZBIAS_T_FACTOR, 4); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 207 | ADD_RANGE(R300_RE_OCCLUSION_CNTL, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 208 | ADD_RANGE(R300_RE_CULL_CNTL, 1); |
| 209 | ADD_RANGE(0x42C0, 2); |
| 210 | ADD_RANGE(R300_RS_CNTL_0, 2); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 211 | |
Maciej Cencora | af7ae35 | 2009-03-24 01:48:50 +0100 | [diff] [blame] | 212 | ADD_RANGE(R300_SU_REG_DEST, 1); |
| 213 | if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) |
| 214 | ADD_RANGE(RV530_FG_ZBREG_DEST, 1); |
| 215 | |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 216 | ADD_RANGE(R300_SC_HYPERZ, 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 217 | ADD_RANGE(0x43E8, 1); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 218 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 219 | ADD_RANGE(0x46A4, 5); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 220 | |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 221 | ADD_RANGE(R300_RE_FOG_STATE, 1); |
| 222 | ADD_RANGE(R300_FOG_COLOR_R, 3); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 223 | ADD_RANGE(R300_PP_ALPHA_TEST, 2); |
| 224 | ADD_RANGE(0x4BD8, 1); |
| 225 | ADD_RANGE(R300_PFS_PARAM_0_X, 64); |
| 226 | ADD_RANGE(0x4E00, 1); |
| 227 | ADD_RANGE(R300_RB3D_CBLEND, 2); |
| 228 | ADD_RANGE(R300_RB3D_COLORMASK, 1); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 229 | ADD_RANGE(R300_RB3D_BLEND_COLOR, 3); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 230 | ADD_RANGE_MARK(R300_RB3D_COLOROFFSET0, 1, MARK_CHECK_OFFSET); /* check offset */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 231 | ADD_RANGE(R300_RB3D_COLORPITCH0, 1); |
| 232 | ADD_RANGE(0x4E50, 9); |
| 233 | ADD_RANGE(0x4E88, 1); |
| 234 | ADD_RANGE(0x4EA0, 2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 235 | ADD_RANGE(R300_ZB_CNTL, 3); |
| 236 | ADD_RANGE(R300_ZB_FORMAT, 4); |
| 237 | ADD_RANGE_MARK(R300_ZB_DEPTHOFFSET, 1, MARK_CHECK_OFFSET); /* check offset */ |
| 238 | ADD_RANGE(R300_ZB_DEPTHPITCH, 1); |
| 239 | ADD_RANGE(R300_ZB_DEPTHCLEARVALUE, 1); |
| 240 | ADD_RANGE(R300_ZB_ZMASK_OFFSET, 13); |
Maciej Cencora | af7ae35 | 2009-03-24 01:48:50 +0100 | [diff] [blame] | 241 | 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] | 242 | |
| 243 | ADD_RANGE(R300_TX_FILTER_0, 16); |
Dave Airlie | 45f1710 | 2006-03-19 19:12:10 +1100 | [diff] [blame] | 244 | ADD_RANGE(R300_TX_FILTER1_0, 16); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 245 | ADD_RANGE(R300_TX_SIZE_0, 16); |
| 246 | ADD_RANGE(R300_TX_FORMAT_0, 16); |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 247 | ADD_RANGE(R300_TX_PITCH_0, 16); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 248 | /* Texture offset is dangerous and needs more checking */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 249 | ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); |
Dave Airlie | 45f1710 | 2006-03-19 19:12:10 +1100 | [diff] [blame] | 250 | ADD_RANGE(R300_TX_CHROMA_KEY_0, 16); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 251 | ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); |
| 252 | |
| 253 | /* Sporadic registers used as primitives are emitted */ |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 254 | ADD_RANGE(R300_ZB_ZCACHE_CTLSTAT, 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 255 | ADD_RANGE(R300_RB3D_DSTCACHE_CTLSTAT, 1); |
| 256 | ADD_RANGE(R300_VAP_INPUT_ROUTE_0_0, 8); |
| 257 | ADD_RANGE(R300_VAP_INPUT_ROUTE_1_0, 8); |
| 258 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 259 | if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) { |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 260 | ADD_RANGE(R500_VAP_INDEX_OFFSET, 1); |
| 261 | ADD_RANGE(R500_US_CONFIG, 2); |
| 262 | ADD_RANGE(R500_US_CODE_ADDR, 3); |
| 263 | ADD_RANGE(R500_US_FC_CTRL, 1); |
| 264 | ADD_RANGE(R500_RS_IP_0, 16); |
| 265 | ADD_RANGE(R500_RS_INST_0, 16); |
| 266 | ADD_RANGE(R500_RB3D_COLOR_CLEAR_VALUE_AR, 2); |
| 267 | ADD_RANGE(R500_RB3D_CONSTANT_COLOR_AR, 2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 268 | ADD_RANGE(R500_ZB_FIFO_SIZE, 2); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 269 | } else { |
| 270 | ADD_RANGE(R300_PFS_CNTL_0, 3); |
| 271 | ADD_RANGE(R300_PFS_NODE_0, 4); |
| 272 | ADD_RANGE(R300_PFS_TEXI_0, 64); |
| 273 | ADD_RANGE(R300_PFS_INSTR0_0, 64); |
| 274 | ADD_RANGE(R300_PFS_INSTR1_0, 64); |
| 275 | ADD_RANGE(R300_PFS_INSTR2_0, 64); |
| 276 | ADD_RANGE(R300_PFS_INSTR3_0, 64); |
| 277 | ADD_RANGE(R300_RS_INTERP_0, 8); |
| 278 | ADD_RANGE(R300_RS_ROUTE_0, 8); |
| 279 | |
Dave Airlie | 3d5e2c1 | 2008-02-07 15:01:05 +1000 | [diff] [blame] | 280 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 281 | } |
| 282 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 283 | static __inline__ int r300_check_range(unsigned reg, int count) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 284 | { |
| 285 | int i; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 286 | if (reg & ~0xffff) |
| 287 | return -1; |
| 288 | for (i = (reg >> 2); i < (reg >> 2) + count; i++) |
| 289 | if (r300_reg_flags[i] != MARK_SAFE) |
| 290 | return 1; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 291 | return 0; |
| 292 | } |
| 293 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 294 | static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t * |
| 295 | dev_priv, |
Dave Airlie | b3a8363 | 2005-09-30 18:37:36 +1000 | [diff] [blame] | 296 | drm_radeon_kcmd_buffer_t |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 297 | * cmdbuf, |
| 298 | drm_r300_cmd_header_t |
| 299 | header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 300 | { |
| 301 | int reg; |
| 302 | int sz; |
| 303 | int i; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 304 | u32 *value; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 305 | RING_LOCALS; |
| 306 | |
| 307 | sz = header.packet0.count; |
| 308 | reg = (header.packet0.reghi << 8) | header.packet0.reglo; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 309 | |
| 310 | if ((sz > 64) || (sz < 0)) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 311 | DRM_ERROR("Cannot emit more than 64 values at a time (reg=%04x sz=%d)\n", |
| 312 | reg, sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 313 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 314 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 315 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 316 | for (i = 0; i < sz; i++) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 317 | switch (r300_reg_flags[(reg >> 2) + i]) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 318 | case MARK_SAFE: |
| 319 | break; |
| 320 | case MARK_CHECK_OFFSET: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 321 | value = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 322 | if (!radeon_check_offset(dev_priv, *value)) { |
| 323 | DRM_ERROR("Offset failed range check (reg=%04x sz=%d)\n", |
| 324 | reg, sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 325 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 326 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 327 | break; |
| 328 | default: |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 329 | DRM_ERROR("Register %04x failed check as flag=%02x\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 330 | reg + i * 4, r300_reg_flags[(reg >> 2) + i]); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 331 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 332 | } |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 333 | } |
| 334 | |
| 335 | BEGIN_RING(1 + sz); |
| 336 | OUT_RING(CP_PACKET0(reg, sz - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 337 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 338 | ADVANCE_RING(); |
| 339 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 340 | return 0; |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Emits a packet0 setting arbitrary registers. |
| 345 | * Called by r300_do_cp_cmdbuf. |
| 346 | * |
| 347 | * Note that checks are performed on contents and addresses of the registers |
| 348 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 349 | static __inline__ int r300_emit_packet0(drm_radeon_private_t *dev_priv, |
| 350 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 351 | drm_r300_cmd_header_t header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 352 | { |
| 353 | int reg; |
| 354 | int sz; |
| 355 | RING_LOCALS; |
| 356 | |
| 357 | sz = header.packet0.count; |
| 358 | reg = (header.packet0.reghi << 8) | header.packet0.reglo; |
| 359 | |
| 360 | if (!sz) |
| 361 | return 0; |
| 362 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 363 | if (sz * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 364 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 365 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 366 | if (reg + sz * 4 >= 0x10000) { |
| 367 | DRM_ERROR("No such registers in hardware reg=%04x sz=%d\n", reg, |
| 368 | sz); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 369 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 370 | } |
| 371 | |
| 372 | if (r300_check_range(reg, sz)) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 373 | /* go and check everything */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 374 | return r300_emit_carefully_checked_packet0(dev_priv, cmdbuf, |
| 375 | header); |
| 376 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 377 | /* the rest of the data is safe to emit, whatever the values the user passed */ |
| 378 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 379 | BEGIN_RING(1 + sz); |
| 380 | OUT_RING(CP_PACKET0(reg, sz - 1)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 381 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 382 | ADVANCE_RING(); |
| 383 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 384 | return 0; |
| 385 | } |
| 386 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 387 | /** |
| 388 | * Uploads user-supplied vertex program instructions or parameters onto |
| 389 | * the graphics card. |
| 390 | * Called by r300_do_cp_cmdbuf. |
| 391 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 392 | static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv, |
| 393 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 394 | drm_r300_cmd_header_t header) |
| 395 | { |
| 396 | int sz; |
| 397 | int addr; |
| 398 | RING_LOCALS; |
| 399 | |
| 400 | sz = header.vpu.count; |
| 401 | addr = (header.vpu.adrhi << 8) | header.vpu.adrlo; |
| 402 | |
| 403 | if (!sz) |
| 404 | return 0; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 405 | if (sz * 16 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 406 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 407 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 408 | /* VAP is very sensitive so we purge cache before we program it |
| 409 | * and we also flush its state before & after */ |
| 410 | BEGIN_RING(6); |
| 411 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 412 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 413 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 414 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 415 | OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0)); |
| 416 | OUT_RING(0); |
| 417 | ADVANCE_RING(); |
| 418 | /* set flush flag */ |
| 419 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 420 | |
| 421 | BEGIN_RING(3 + sz * 4); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 422 | OUT_RING_REG(R300_VAP_PVS_UPLOAD_ADDRESS, addr); |
| 423 | 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] | 424 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * 4); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 425 | ADVANCE_RING(); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 426 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 427 | BEGIN_RING(2); |
| 428 | OUT_RING(CP_PACKET0(R300_VAP_PVS_STATE_FLUSH_REG, 0)); |
| 429 | OUT_RING(0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 430 | ADVANCE_RING(); |
| 431 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 432 | return 0; |
| 433 | } |
| 434 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 435 | /** |
| 436 | * Emit a clear packet from userspace. |
| 437 | * Called by r300_emit_packet3. |
| 438 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 439 | static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv, |
| 440 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 441 | { |
| 442 | RING_LOCALS; |
| 443 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 444 | if (8 * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 445 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 446 | |
| 447 | BEGIN_RING(10); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 448 | OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8)); |
| 449 | OUT_RING(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING | |
| 450 | (1 << R300_PRIM_NUM_VERTICES_SHIFT)); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 451 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, 8); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 452 | ADVANCE_RING(); |
| 453 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 454 | BEGIN_RING(4); |
| 455 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 456 | OUT_RING(R300_RB3D_DC_FLUSH); |
| 457 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 458 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 459 | ADVANCE_RING(); |
| 460 | /* set flush flag */ |
| 461 | dev_priv->track_flush |= RADEON_FLUSH_EMITED; |
| 462 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 463 | return 0; |
| 464 | } |
| 465 | |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 466 | static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, |
| 467 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 468 | u32 header) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 469 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 470 | int count, i, k; |
| 471 | #define MAX_ARRAY_PACKET 64 |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 472 | u32 *data; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 473 | u32 narrays; |
| 474 | RING_LOCALS; |
| 475 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 476 | count = (header & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 477 | |
| 478 | if ((count + 1) > MAX_ARRAY_PACKET) { |
| 479 | DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n", |
| 480 | count); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 481 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 482 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 483 | /* carefully check packet contents */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 484 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 485 | /* We have already read the header so advance the buffer. */ |
| 486 | drm_buffer_advance(cmdbuf->buffer, 4); |
| 487 | |
| 488 | narrays = *(u32 *)drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 489 | k = 0; |
| 490 | i = 1; |
| 491 | while ((k < narrays) && (i < (count + 1))) { |
| 492 | i++; /* skip attribute field */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 493 | data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 494 | if (!radeon_check_offset(dev_priv, *data)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 495 | DRM_ERROR |
| 496 | ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", |
| 497 | k, i); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 498 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 499 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 500 | k++; |
| 501 | i++; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 502 | if (k == narrays) |
| 503 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 504 | /* have one more to process, they come in pairs */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 505 | data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i); |
| 506 | if (!radeon_check_offset(dev_priv, *data)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 507 | DRM_ERROR |
| 508 | ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n", |
| 509 | k, i); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 510 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 511 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 512 | k++; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 513 | i++; |
| 514 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 515 | /* do the counts match what we expect ? */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 516 | if ((k != narrays) || (i != (count + 1))) { |
| 517 | DRM_ERROR |
| 518 | ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n", |
| 519 | k, i, narrays, count + 1); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 520 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 521 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 522 | |
| 523 | /* all clear, output packet */ |
| 524 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 525 | BEGIN_RING(count + 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 526 | OUT_RING(header); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 527 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 1); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 528 | ADVANCE_RING(); |
| 529 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 530 | return 0; |
| 531 | } |
Dave Airlie | d5ea702 | 2006-03-19 19:37:55 +1100 | [diff] [blame] | 532 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 533 | static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, |
| 534 | drm_radeon_kcmd_buffer_t *cmdbuf) |
| 535 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 536 | u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 537 | int count, ret; |
| 538 | RING_LOCALS; |
| 539 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 540 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 541 | count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
| 542 | |
| 543 | if (*cmd & 0x8000) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 544 | u32 offset; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 545 | u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
| 546 | if (*cmd1 & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 547 | | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 548 | |
| 549 | u32 *cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2); |
| 550 | offset = *cmd2 << 10; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 1d6bb8e | 2006-12-15 18:54:35 +1100 | [diff] [blame] | 551 | ret = !radeon_check_offset(dev_priv, offset); |
Dave Airlie | 73d72cf | 2006-02-18 16:30:54 +1100 | [diff] [blame] | 552 | if (ret) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 553 | DRM_ERROR("Invalid bitblt first offset is %08X\n", offset); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 554 | return -EINVAL; |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 555 | } |
| 556 | } |
| 557 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 558 | if ((*cmd1 & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) && |
| 559 | (*cmd1 & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) { |
| 560 | u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3); |
| 561 | offset = *cmd3 << 10; |
=?utf-8?q?Michel_D=C3=A4nzer?= | 1d6bb8e | 2006-12-15 18:54:35 +1100 | [diff] [blame] | 562 | ret = !radeon_check_offset(dev_priv, offset); |
Dave Airlie | 73d72cf | 2006-02-18 16:30:54 +1100 | [diff] [blame] | 563 | if (ret) { |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 564 | DRM_ERROR("Invalid bitblt second offset is %08X\n", offset); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 565 | return -EINVAL; |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 566 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 567 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 568 | } |
| 569 | } |
| 570 | |
| 571 | BEGIN_RING(count+2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 572 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 573 | ADVANCE_RING(); |
| 574 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 575 | return 0; |
| 576 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 577 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 578 | static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv, |
| 579 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 580 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 581 | u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 582 | u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 583 | int count; |
| 584 | int expected_count; |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 585 | RING_LOCALS; |
| 586 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 587 | count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16; |
| 588 | |
| 589 | expected_count = *cmd1 >> 16; |
| 590 | if (!(*cmd1 & R300_VAP_VF_CNTL__INDEX_SIZE_32bit)) |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 591 | expected_count = (expected_count+1)/2; |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 592 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 593 | if (count && count != expected_count) { |
| 594 | DRM_ERROR("3D_DRAW_INDX_2: packet size %i, expected %i\n", |
| 595 | count, expected_count); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 596 | return -EINVAL; |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 597 | } |
| 598 | |
| 599 | BEGIN_RING(count+2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 600 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 601 | ADVANCE_RING(); |
| 602 | |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 603 | if (!count) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 604 | drm_r300_cmd_header_t stack_header, *header; |
| 605 | u32 *cmd1, *cmd2, *cmd3; |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 606 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 607 | if (drm_buffer_unprocessed(cmdbuf->buffer) |
| 608 | < 4*4 + sizeof(stack_header)) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 609 | DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER, but stream is too short.\n"); |
| 610 | return -EINVAL; |
| 611 | } |
| 612 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 613 | header = drm_buffer_read_object(cmdbuf->buffer, |
| 614 | sizeof(stack_header), &stack_header); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 615 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 616 | cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 617 | cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1); |
| 618 | cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2); |
| 619 | cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 620 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 621 | if (header->header.cmd_type != R300_CMD_PACKET3 || |
| 622 | header->packet3.packet != R300_CMD_PACKET3_RAW || |
| 623 | *cmd != CP_PACKET3(RADEON_CP_INDX_BUFFER, 2)) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 624 | DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER.\n"); |
| 625 | return -EINVAL; |
| 626 | } |
| 627 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 628 | if ((*cmd1 & 0x8000ffff) != 0x80000810) { |
| 629 | DRM_ERROR("Invalid indx_buffer reg address %08X\n", |
| 630 | *cmd1); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 631 | return -EINVAL; |
| 632 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 633 | if (!radeon_check_offset(dev_priv, *cmd2)) { |
| 634 | DRM_ERROR("Invalid indx_buffer offset is %08X\n", |
| 635 | *cmd2); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 636 | return -EINVAL; |
| 637 | } |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 638 | if (*cmd3 != expected_count) { |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 639 | DRM_ERROR("INDX_BUFFER: buffer size %i, expected %i\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 640 | *cmd3, expected_count); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 641 | return -EINVAL; |
| 642 | } |
| 643 | |
| 644 | BEGIN_RING(4); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 645 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, 4); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 646 | ADVANCE_RING(); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 647 | } |
| 648 | |
Roland Scheidegger | a1aa2897 | 2006-10-24 21:45:00 +1000 | [diff] [blame] | 649 | return 0; |
| 650 | } |
| 651 | |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 652 | static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv, |
| 653 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 654 | { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 655 | u32 *header; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 656 | int count; |
| 657 | RING_LOCALS; |
| 658 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 659 | if (4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 660 | return -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 661 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 662 | /* Fixme !! This simply emits a packet without much checking. |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 663 | We need to be smarter. */ |
| 664 | |
| 665 | /* obtain first word - actual packet3 header */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 666 | header = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 667 | |
| 668 | /* Is it packet 3 ? */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 669 | if ((*header >> 30) != 0x3) { |
| 670 | DRM_ERROR("Not a packet3 header (0x%08x)\n", *header); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 671 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 672 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 673 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 674 | count = (*header >> 16) & 0x3fff; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 675 | |
| 676 | /* Check again now that we know how much data to expect */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 677 | if ((count + 2) * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 678 | DRM_ERROR |
| 679 | ("Expected packet3 of length %d but have only %d bytes left\n", |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 680 | (count + 2) * 4, drm_buffer_unprocessed(cmdbuf->buffer)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 681 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 682 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 683 | |
| 684 | /* Is it a packet type we know about ? */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 685 | switch (*header & 0xff00) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 686 | case RADEON_3D_LOAD_VBPNTR: /* load vertex array pointers */ |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 687 | return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 688 | |
Dave Airlie | 4e5e2e2 | 2006-02-18 15:51:35 +1100 | [diff] [blame] | 689 | case RADEON_CNTL_BITBLT_MULTI: |
| 690 | return r300_emit_bitblt_multi(dev_priv, cmdbuf); |
| 691 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 692 | case RADEON_CP_INDX_BUFFER: |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 693 | DRM_ERROR("packet3 INDX_BUFFER without preceding 3D_DRAW_INDX_2 is illegal.\n"); |
| 694 | return -EINVAL; |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 695 | case RADEON_CP_3D_DRAW_IMMD_2: |
| 696 | /* triggers drawing using in-packet vertex data */ |
| 697 | case RADEON_CP_3D_DRAW_VBUF_2: |
| 698 | /* triggers drawing of vertex buffers setup elsewhere */ |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 699 | dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED | |
| 700 | RADEON_PURGE_EMITED); |
| 701 | break; |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 702 | case RADEON_CP_3D_DRAW_INDX_2: |
| 703 | /* triggers drawing using indices to vertex buffer */ |
| 704 | /* whenever we send vertex we clear flush & purge */ |
| 705 | dev_priv->track_flush &= ~(RADEON_FLUSH_EMITED | |
| 706 | RADEON_PURGE_EMITED); |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 707 | return r300_emit_draw_indx_2(dev_priv, cmdbuf); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 708 | case RADEON_WAIT_FOR_IDLE: |
| 709 | case RADEON_CP_NOP: |
| 710 | /* these packets are safe */ |
| 711 | break; |
| 712 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 713 | DRM_ERROR("Unknown packet3 header (0x%08x)\n", *header); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 714 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 715 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 716 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 717 | BEGIN_RING(count + 2); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 718 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 719 | ADVANCE_RING(); |
| 720 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 721 | return 0; |
| 722 | } |
| 723 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 724 | /** |
| 725 | * Emit a rendering packet3 from userspace. |
| 726 | * Called by r300_do_cp_cmdbuf. |
| 727 | */ |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 728 | static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv, |
| 729 | drm_radeon_kcmd_buffer_t *cmdbuf, |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 730 | drm_r300_cmd_header_t header) |
| 731 | { |
| 732 | int n; |
| 733 | int ret; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 734 | int orig_iter = cmdbuf->buffer->iterator; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 735 | |
| 736 | /* This is a do-while-loop so that we run the interior at least once, |
| 737 | * even if cmdbuf->nbox is 0. Compare r300_emit_cliprects for rationale. |
| 738 | */ |
| 739 | n = 0; |
| 740 | do { |
| 741 | if (cmdbuf->nbox > R300_SIMULTANEOUS_CLIPRECTS) { |
| 742 | ret = r300_emit_cliprects(dev_priv, cmdbuf, n); |
| 743 | if (ret) |
| 744 | return ret; |
| 745 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 746 | cmdbuf->buffer->iterator = orig_iter; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 747 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 748 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 749 | switch (header.packet3.packet) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 750 | case R300_CMD_PACKET3_CLEAR: |
| 751 | DRM_DEBUG("R300_CMD_PACKET3_CLEAR\n"); |
| 752 | ret = r300_emit_clear(dev_priv, cmdbuf); |
| 753 | if (ret) { |
| 754 | DRM_ERROR("r300_emit_clear failed\n"); |
| 755 | return ret; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 756 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 757 | break; |
| 758 | |
| 759 | case R300_CMD_PACKET3_RAW: |
| 760 | DRM_DEBUG("R300_CMD_PACKET3_RAW\n"); |
| 761 | ret = r300_emit_raw_packet3(dev_priv, cmdbuf); |
| 762 | if (ret) { |
| 763 | DRM_ERROR("r300_emit_raw_packet3 failed\n"); |
| 764 | return ret; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 765 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 766 | break; |
| 767 | |
| 768 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 769 | DRM_ERROR("bad packet3 type %i at byte %d\n", |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 770 | header.packet3.packet, |
Pauli Nieminen | 55a5cb5 | 2010-03-01 11:37:11 +0200 | [diff] [blame] | 771 | cmdbuf->buffer->iterator - (int)sizeof(header)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 772 | return -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 773 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 774 | |
| 775 | n += R300_SIMULTANEOUS_CLIPRECTS; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 776 | } while (n < cmdbuf->nbox); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 777 | |
| 778 | return 0; |
| 779 | } |
| 780 | |
| 781 | /* Some of the R300 chips seem to be extremely touchy about the two registers |
| 782 | * that are configured in r300_pacify. |
| 783 | * Among the worst offenders seems to be the R300 ND (0x4E44): When userspace |
| 784 | * sends a command buffer that contains only state setting commands and a |
| 785 | * vertex program/parameter upload sequence, this will eventually lead to a |
| 786 | * lockup, unless the sequence is bracketed by calls to r300_pacify. |
| 787 | * So we should take great care to *always* call r300_pacify before |
| 788 | * *anything* 3D related, and again afterwards. This is what the |
| 789 | * call bracket in r300_do_cp_cmdbuf is for. |
| 790 | */ |
| 791 | |
| 792 | /** |
| 793 | * Emit the sequence to pacify R300. |
| 794 | */ |
Andi Kleen | ce580fa | 2011-10-13 16:08:47 -0700 | [diff] [blame] | 795 | static void r300_pacify(drm_radeon_private_t *dev_priv) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 796 | { |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 797 | uint32_t cache_z, cache_3d, cache_2d; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 798 | RING_LOCALS; |
Nicolai Haehnle | e2898c5 | 2008-08-13 09:49:15 +1000 | [diff] [blame] | 799 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 800 | cache_z = R300_ZC_FLUSH; |
| 801 | cache_2d = R300_RB2D_DC_FLUSH; |
| 802 | cache_3d = R300_RB3D_DC_FLUSH; |
| 803 | if (!(dev_priv->track_flush & RADEON_PURGE_EMITED)) { |
| 804 | /* we can purge, primitive where draw since last purge */ |
| 805 | cache_z |= R300_ZC_FREE; |
| 806 | cache_2d |= R300_RB2D_DC_FREE; |
| 807 | cache_3d |= R300_RB3D_DC_FREE; |
| 808 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 809 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 810 | /* flush & purge zbuffer */ |
| 811 | BEGIN_RING(2); |
Dave Airlie | 21efa2b | 2008-06-19 13:01:58 +1000 | [diff] [blame] | 812 | OUT_RING(CP_PACKET0(R300_ZB_ZCACHE_CTLSTAT, 0)); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 813 | OUT_RING(cache_z); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 814 | ADVANCE_RING(); |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 815 | /* flush & purge 3d */ |
| 816 | BEGIN_RING(2); |
| 817 | OUT_RING(CP_PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0)); |
| 818 | OUT_RING(cache_3d); |
| 819 | ADVANCE_RING(); |
| 820 | /* flush & purge texture */ |
| 821 | BEGIN_RING(2); |
| 822 | OUT_RING(CP_PACKET0(R300_TX_INVALTAGS, 0)); |
| 823 | OUT_RING(0); |
| 824 | ADVANCE_RING(); |
| 825 | /* FIXME: is this one really needed ? */ |
| 826 | BEGIN_RING(2); |
| 827 | OUT_RING(CP_PACKET0(R300_RB3D_AARESOLVE_CTL, 0)); |
| 828 | OUT_RING(0); |
| 829 | ADVANCE_RING(); |
| 830 | BEGIN_RING(2); |
| 831 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 832 | OUT_RING(RADEON_WAIT_3D_IDLECLEAN); |
| 833 | ADVANCE_RING(); |
| 834 | /* flush & purge 2d through E2 as RB2D will trigger lockup */ |
| 835 | BEGIN_RING(4); |
| 836 | OUT_RING(CP_PACKET0(R300_DSTCACHE_CTLSTAT, 0)); |
| 837 | OUT_RING(cache_2d); |
| 838 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 839 | OUT_RING(RADEON_WAIT_2D_IDLECLEAN | |
| 840 | RADEON_WAIT_HOST_IDLECLEAN); |
| 841 | ADVANCE_RING(); |
| 842 | /* set flush & purge flags */ |
| 843 | dev_priv->track_flush |= RADEON_FLUSH_EMITED | RADEON_PURGE_EMITED; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 844 | } |
| 845 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 846 | /** |
| 847 | * Called by r300_do_cp_cmdbuf to update the internal buffer age and state. |
| 848 | * The actual age emit is done by r300_do_cp_cmdbuf, which is why you must |
| 849 | * be careful about how this function is called. |
| 850 | */ |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 851 | 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] | 852 | { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 853 | drm_radeon_buf_priv_t *buf_priv = buf->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 854 | struct drm_radeon_master_private *master_priv = master->driver_priv; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 855 | |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 856 | buf_priv->age = ++master_priv->sarea_priv->last_dispatch; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 857 | buf->pending = 1; |
| 858 | buf->used = 0; |
| 859 | } |
| 860 | |
Dave Airlie | 0c76be3 | 2008-03-30 07:51:49 +1000 | [diff] [blame] | 861 | static void r300_cmd_wait(drm_radeon_private_t * dev_priv, |
| 862 | drm_r300_cmd_header_t header) |
| 863 | { |
| 864 | u32 wait_until; |
| 865 | RING_LOCALS; |
| 866 | |
| 867 | if (!header.wait.flags) |
| 868 | return; |
| 869 | |
| 870 | wait_until = 0; |
| 871 | |
| 872 | switch(header.wait.flags) { |
| 873 | case R300_WAIT_2D: |
| 874 | wait_until = RADEON_WAIT_2D_IDLE; |
| 875 | break; |
| 876 | case R300_WAIT_3D: |
| 877 | wait_until = RADEON_WAIT_3D_IDLE; |
| 878 | break; |
| 879 | case R300_NEW_WAIT_2D_3D: |
| 880 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_3D_IDLE; |
| 881 | break; |
| 882 | case R300_NEW_WAIT_2D_2D_CLEAN: |
| 883 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; |
| 884 | break; |
| 885 | case R300_NEW_WAIT_3D_3D_CLEAN: |
| 886 | wait_until = RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; |
| 887 | break; |
| 888 | case R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN: |
| 889 | wait_until = RADEON_WAIT_2D_IDLE|RADEON_WAIT_2D_IDLECLEAN; |
| 890 | wait_until |= RADEON_WAIT_3D_IDLE|RADEON_WAIT_3D_IDLECLEAN; |
| 891 | break; |
| 892 | default: |
| 893 | return; |
| 894 | } |
| 895 | |
| 896 | BEGIN_RING(2); |
| 897 | OUT_RING(CP_PACKET0(RADEON_WAIT_UNTIL, 0)); |
| 898 | OUT_RING(wait_until); |
| 899 | ADVANCE_RING(); |
| 900 | } |
| 901 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 902 | static int r300_scratch(drm_radeon_private_t *dev_priv, |
| 903 | drm_radeon_kcmd_buffer_t *cmdbuf, |
| 904 | drm_r300_cmd_header_t header) |
| 905 | { |
| 906 | u32 *ref_age_base; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 907 | u32 i, *buf_idx, h_pending; |
| 908 | u64 *ptr_addr; |
| 909 | u64 stack_ptr_addr; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 910 | RING_LOCALS; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 911 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 912 | if (drm_buffer_unprocessed(cmdbuf->buffer) < |
| 913 | (sizeof(u64) + header.scratch.n_bufs * sizeof(*buf_idx))) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 914 | return -EINVAL; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 915 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 916 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 917 | if (header.scratch.reg >= 5) { |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 918 | return -EINVAL; |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 919 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 920 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 921 | dev_priv->scratch_ages[header.scratch.reg]++; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 922 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 923 | ptr_addr = drm_buffer_read_object(cmdbuf->buffer, |
| 924 | sizeof(stack_ptr_addr), &stack_ptr_addr); |
David Miller | 88b0450 | 2010-04-26 02:55:42 -0700 | [diff] [blame] | 925 | ref_age_base = (u32 *)(unsigned long)get_unaligned(ptr_addr); |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 926 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 927 | for (i=0; i < header.scratch.n_bufs; i++) { |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 928 | buf_idx = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0); |
| 929 | *buf_idx *= 2; /* 8 bytes per buf */ |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 930 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 931 | if (DRM_COPY_TO_USER(ref_age_base + *buf_idx, |
| 932 | &dev_priv->scratch_ages[header.scratch.reg], |
| 933 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 934 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 935 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 936 | if (DRM_COPY_FROM_USER(&h_pending, |
| 937 | ref_age_base + *buf_idx + 1, |
| 938 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 939 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 940 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 941 | if (h_pending == 0) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 942 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 943 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 944 | h_pending--; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 945 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 946 | if (DRM_COPY_TO_USER(ref_age_base + *buf_idx + 1, |
| 947 | &h_pending, |
| 948 | sizeof(u32))) |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 949 | return -EINVAL; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 950 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 951 | drm_buffer_advance(cmdbuf->buffer, sizeof(*buf_idx)); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 952 | } |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 953 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 954 | BEGIN_RING(2); |
Oliver McFadden | c6c656b | 2007-07-11 12:24:10 +1000 | [diff] [blame] | 955 | OUT_RING( CP_PACKET0( RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0 ) ); |
| 956 | OUT_RING( dev_priv->scratch_ages[header.scratch.reg] ); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 957 | ADVANCE_RING(); |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 958 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 959 | return 0; |
| 960 | } |
| 961 | |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 962 | /** |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 963 | * Uploads user-supplied vertex program instructions or parameters onto |
| 964 | * the graphics card. |
| 965 | * Called by r300_do_cp_cmdbuf. |
| 966 | */ |
| 967 | static inline int r300_emit_r500fp(drm_radeon_private_t *dev_priv, |
| 968 | drm_radeon_kcmd_buffer_t *cmdbuf, |
| 969 | drm_r300_cmd_header_t header) |
| 970 | { |
| 971 | int sz; |
| 972 | int addr; |
| 973 | int type; |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 974 | int isclamp; |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 975 | int stride; |
| 976 | RING_LOCALS; |
| 977 | |
| 978 | sz = header.r500fp.count; |
| 979 | /* address is 9 bits 0 - 8, bit 1 of flags is part of address */ |
| 980 | addr = ((header.r500fp.adrhi_flags & 1) << 8) | header.r500fp.adrlo; |
| 981 | |
| 982 | type = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_TYPE); |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 983 | isclamp = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_CLAMP); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 984 | |
| 985 | addr |= (type << 16); |
Andi Kleen | 01136ac | 2009-12-21 02:24:47 +0100 | [diff] [blame] | 986 | addr |= (isclamp << 17); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 987 | |
| 988 | stride = type ? 4 : 6; |
| 989 | |
| 990 | DRM_DEBUG("r500fp %d %d type: %d\n", sz, addr, type); |
| 991 | if (!sz) |
| 992 | return 0; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 993 | if (sz * stride * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 994 | return -EINVAL; |
| 995 | |
| 996 | BEGIN_RING(3 + sz * stride); |
| 997 | OUT_RING_REG(R500_GA_US_VECTOR_INDEX, addr); |
| 998 | 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] | 999 | OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * stride); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1000 | |
| 1001 | ADVANCE_RING(); |
| 1002 | |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1003 | return 0; |
| 1004 | } |
| 1005 | |
| 1006 | |
| 1007 | /** |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1008 | * Parses and validates a user-supplied command buffer and emits appropriate |
| 1009 | * commands on the DMA ring buffer. |
| 1010 | * Called by the ioctl handler function radeon_cp_cmdbuf. |
| 1011 | */ |
Dave Airlie | 84b1fd1 | 2007-07-11 15:53:27 +1000 | [diff] [blame] | 1012 | int r300_do_cp_cmdbuf(struct drm_device *dev, |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1013 | struct drm_file *file_priv, |
Dave Airlie | d985c10 | 2006-01-02 21:32:48 +1100 | [diff] [blame] | 1014 | drm_radeon_kcmd_buffer_t *cmdbuf) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1015 | { |
| 1016 | drm_radeon_private_t *dev_priv = dev->dev_private; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1017 | struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv; |
Dave Airlie | cdd55a2 | 2007-07-11 16:32:08 +1000 | [diff] [blame] | 1018 | struct drm_device_dma *dma = dev->dma; |
Dave Airlie | 056219e | 2007-07-11 16:17:42 +1000 | [diff] [blame] | 1019 | struct drm_buf *buf = NULL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1020 | int emit_dispatch_age = 0; |
| 1021 | int ret = 0; |
| 1022 | |
| 1023 | DRM_DEBUG("\n"); |
| 1024 | |
Jerome Glisse | 54f961a | 2008-08-13 09:46:31 +1000 | [diff] [blame] | 1025 | /* pacify */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1026 | r300_pacify(dev_priv); |
| 1027 | |
| 1028 | if (cmdbuf->nbox <= R300_SIMULTANEOUS_CLIPRECTS) { |
| 1029 | ret = r300_emit_cliprects(dev_priv, cmdbuf, 0); |
| 1030 | if (ret) |
| 1031 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1032 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1033 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1034 | while (drm_buffer_unprocessed(cmdbuf->buffer) |
| 1035 | >= sizeof(drm_r300_cmd_header_t)) { |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1036 | int idx; |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1037 | drm_r300_cmd_header_t *header, stack_header; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1038 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1039 | header = drm_buffer_read_object(cmdbuf->buffer, |
| 1040 | sizeof(stack_header), &stack_header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1041 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1042 | switch (header->header.cmd_type) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1043 | case R300_CMD_PACKET0: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1044 | DRM_DEBUG("R300_CMD_PACKET0\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1045 | ret = r300_emit_packet0(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1046 | if (ret) { |
| 1047 | DRM_ERROR("r300_emit_packet0 failed\n"); |
| 1048 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1049 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1050 | break; |
| 1051 | |
| 1052 | case R300_CMD_VPU: |
| 1053 | DRM_DEBUG("R300_CMD_VPU\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1054 | ret = r300_emit_vpu(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1055 | if (ret) { |
| 1056 | DRM_ERROR("r300_emit_vpu failed\n"); |
| 1057 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1058 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1059 | break; |
| 1060 | |
| 1061 | case R300_CMD_PACKET3: |
| 1062 | DRM_DEBUG("R300_CMD_PACKET3\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1063 | ret = r300_emit_packet3(dev_priv, cmdbuf, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1064 | if (ret) { |
| 1065 | DRM_ERROR("r300_emit_packet3 failed\n"); |
| 1066 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1067 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1068 | break; |
| 1069 | |
| 1070 | case R300_CMD_END3D: |
| 1071 | DRM_DEBUG("R300_CMD_END3D\n"); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1072 | /* TODO: |
| 1073 | Ideally userspace driver should not need to issue this call, |
| 1074 | i.e. the drm driver should issue it automatically and prevent |
| 1075 | lockups. |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1076 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1077 | In practice, we do not understand why this call is needed and what |
| 1078 | it does (except for some vague guesses that it has to do with cache |
| 1079 | coherence) and so the user space driver does it. |
| 1080 | |
| 1081 | Once we are sure which uses prevent lockups the code could be moved |
| 1082 | into the kernel and the userspace driver will not |
| 1083 | need to use this command. |
| 1084 | |
| 1085 | Note that issuing this command does not hurt anything |
| 1086 | except, possibly, performance */ |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1087 | r300_pacify(dev_priv); |
| 1088 | break; |
| 1089 | |
| 1090 | case R300_CMD_CP_DELAY: |
| 1091 | /* simple enough, we can do it here */ |
| 1092 | DRM_DEBUG("R300_CMD_CP_DELAY\n"); |
| 1093 | { |
| 1094 | int i; |
| 1095 | RING_LOCALS; |
| 1096 | |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1097 | BEGIN_RING(header->delay.count); |
| 1098 | for (i = 0; i < header->delay.count; i++) |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1099 | OUT_RING(RADEON_CP_PACKET2); |
| 1100 | ADVANCE_RING(); |
| 1101 | } |
| 1102 | break; |
| 1103 | |
| 1104 | case R300_CMD_DMA_DISCARD: |
| 1105 | DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1106 | idx = header->dma.buf_idx; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1107 | if (idx < 0 || idx >= dma->buf_count) { |
| 1108 | DRM_ERROR("buffer index %d (of %d max)\n", |
| 1109 | idx, dma->buf_count - 1); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1110 | ret = -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1111 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | buf = dma->buflist[idx]; |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1115 | if (buf->file_priv != file_priv || buf->pending) { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1116 | DRM_ERROR("bad buffer %p %p %d\n", |
Eric Anholt | 6c340ea | 2007-08-25 20:23:09 +1000 | [diff] [blame] | 1117 | buf->file_priv, file_priv, |
| 1118 | buf->pending); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1119 | ret = -EINVAL; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1120 | goto cleanup; |
| 1121 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1122 | |
| 1123 | emit_dispatch_age = 1; |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1124 | r300_discard_buffer(dev, file_priv->master, buf); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1125 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1126 | |
| 1127 | case R300_CMD_WAIT: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1128 | DRM_DEBUG("R300_CMD_WAIT\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1129 | r300_cmd_wait(dev_priv, *header); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1130 | break; |
| 1131 | |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 1132 | case R300_CMD_SCRATCH: |
| 1133 | DRM_DEBUG("R300_CMD_SCRATCH\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1134 | ret = r300_scratch(dev_priv, cmdbuf, *header); |
Dave Airlie | ee4621f | 2006-03-19 19:45:26 +1100 | [diff] [blame] | 1135 | if (ret) { |
| 1136 | DRM_ERROR("r300_scratch failed\n"); |
| 1137 | goto cleanup; |
| 1138 | } |
| 1139 | break; |
Dave Airlie | bc5f452 | 2007-11-05 12:50:58 +1000 | [diff] [blame] | 1140 | |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1141 | case R300_CMD_R500FP: |
| 1142 | if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV515) { |
| 1143 | DRM_ERROR("Calling r500 command on r300 card\n"); |
| 1144 | ret = -EINVAL; |
| 1145 | goto cleanup; |
| 1146 | } |
| 1147 | DRM_DEBUG("R300_CMD_R500FP\n"); |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1148 | ret = r300_emit_r500fp(dev_priv, cmdbuf, *header); |
Dave Airlie | c0beb2a | 2008-05-28 13:52:28 +1000 | [diff] [blame] | 1149 | if (ret) { |
| 1150 | DRM_ERROR("r300_emit_r500fp failed\n"); |
| 1151 | goto cleanup; |
| 1152 | } |
| 1153 | break; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1154 | default: |
Pauli Nieminen | b4fe945 | 2010-02-01 19:11:16 +0200 | [diff] [blame] | 1155 | DRM_ERROR("bad cmd_type %i at byte %d\n", |
| 1156 | header->header.cmd_type, |
Pauli Nieminen | 55a5cb5 | 2010-03-01 11:37:11 +0200 | [diff] [blame] | 1157 | cmdbuf->buffer->iterator - (int)sizeof(*header)); |
Eric Anholt | 20caafa | 2007-08-25 19:22:43 +1000 | [diff] [blame] | 1158 | ret = -EINVAL; |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1159 | goto cleanup; |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1160 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | DRM_DEBUG("END\n"); |
| 1164 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1165 | cleanup: |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1166 | r300_pacify(dev_priv); |
| 1167 | |
| 1168 | /* We emit the vertex buffer age here, outside the pacifier "brackets" |
| 1169 | * for two reasons: |
| 1170 | * (1) This may coalesce multiple age emissions into a single one and |
| 1171 | * (2) more importantly, some chips lock up hard when scratch registers |
| 1172 | * are written inside the pacifier bracket. |
| 1173 | */ |
| 1174 | if (emit_dispatch_age) { |
| 1175 | RING_LOCALS; |
| 1176 | |
| 1177 | /* Emit the vertex buffer age */ |
| 1178 | BEGIN_RING(2); |
Dave Airlie | 7c1c287 | 2008-11-28 14:22:24 +1000 | [diff] [blame] | 1179 | RADEON_DISPATCH_AGE(master_priv->sarea_priv->last_dispatch); |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1180 | ADVANCE_RING(); |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 1181 | } |
Dave Airlie | 414ed53 | 2005-08-16 20:43:16 +1000 | [diff] [blame] | 1182 | |
| 1183 | COMMIT_RING(); |
| 1184 | |
| 1185 | return ret; |
| 1186 | } |