2 * Copyright © 2016 Red Hat.
3 * Copyright © 2016 Bas Nieuwenhuizen
6 * Copyright © 2015 Advanced Micro Devices, Inc.
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
15 * The above copyright notice and this permission notice (including the next
16 * paragraph) shall be included in all copies or substantial portions of the
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 /* command buffer handling for AMD GCN */
30 #include "radv_private.h"
31 #include "radv_shader.h"
34 #include "radv_util.h"
35 #include "main/macros.h"
38 si_write_harvested_raster_configs(struct radv_physical_device
*physical_device
,
39 struct radeon_cmdbuf
*cs
,
40 unsigned raster_config
,
41 unsigned raster_config_1
)
43 unsigned num_se
= MAX2(physical_device
->rad_info
.max_se
, 1);
44 unsigned raster_config_se
[4];
47 ac_get_harvested_configs(&physical_device
->rad_info
,
52 for (se
= 0; se
< num_se
; se
++) {
53 /* GRBM_GFX_INDEX has a different offset on GFX6 and GFX7+ */
54 if (physical_device
->rad_info
.chip_class
< GFX7
)
55 radeon_set_config_reg(cs
, R_00802C_GRBM_GFX_INDEX
,
56 S_00802C_SE_INDEX(se
) |
57 S_00802C_SH_BROADCAST_WRITES(1) |
58 S_00802C_INSTANCE_BROADCAST_WRITES(1));
60 radeon_set_uconfig_reg(cs
, R_030800_GRBM_GFX_INDEX
,
61 S_030800_SE_INDEX(se
) | S_030800_SH_BROADCAST_WRITES(1) |
62 S_030800_INSTANCE_BROADCAST_WRITES(1));
63 radeon_set_context_reg(cs
, R_028350_PA_SC_RASTER_CONFIG
, raster_config_se
[se
]);
66 /* GRBM_GFX_INDEX has a different offset on GFX6 and GFX7+ */
67 if (physical_device
->rad_info
.chip_class
< GFX7
)
68 radeon_set_config_reg(cs
, R_00802C_GRBM_GFX_INDEX
,
69 S_00802C_SE_BROADCAST_WRITES(1) |
70 S_00802C_SH_BROADCAST_WRITES(1) |
71 S_00802C_INSTANCE_BROADCAST_WRITES(1));
73 radeon_set_uconfig_reg(cs
, R_030800_GRBM_GFX_INDEX
,
74 S_030800_SE_BROADCAST_WRITES(1) | S_030800_SH_BROADCAST_WRITES(1) |
75 S_030800_INSTANCE_BROADCAST_WRITES(1));
77 if (physical_device
->rad_info
.chip_class
>= GFX7
)
78 radeon_set_context_reg(cs
, R_028354_PA_SC_RASTER_CONFIG_1
, raster_config_1
);
82 si_emit_compute(struct radv_physical_device
*physical_device
,
83 struct radeon_cmdbuf
*cs
)
85 radeon_set_sh_reg_seq(cs
, R_00B810_COMPUTE_START_X
, 3);
90 radeon_set_sh_reg_seq(cs
, R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0
, 2);
91 /* R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE0 / SE1,
92 * renamed COMPUTE_DESTINATION_EN_SEn on gfx10. */
93 radeon_emit(cs
, S_00B858_SH0_CU_EN(0xffff) | S_00B858_SH1_CU_EN(0xffff));
94 radeon_emit(cs
, S_00B858_SH0_CU_EN(0xffff) | S_00B858_SH1_CU_EN(0xffff));
96 if (physical_device
->rad_info
.chip_class
>= GFX7
) {
97 /* Also set R_00B858_COMPUTE_STATIC_THREAD_MGMT_SE2 / SE3 */
98 radeon_set_sh_reg_seq(cs
,
99 R_00B864_COMPUTE_STATIC_THREAD_MGMT_SE2
, 2);
100 radeon_emit(cs
, S_00B858_SH0_CU_EN(0xffff) |
101 S_00B858_SH1_CU_EN(0xffff));
102 radeon_emit(cs
, S_00B858_SH0_CU_EN(0xffff) |
103 S_00B858_SH1_CU_EN(0xffff));
106 if (physical_device
->rad_info
.chip_class
>= GFX10
)
107 radeon_set_sh_reg(cs
, R_00B8A0_COMPUTE_PGM_RSRC3
, 0);
109 /* This register has been moved to R_00CD20_COMPUTE_MAX_WAVE_ID
110 * and is now per pipe, so it should be handled in the
111 * kernel if we want to use something other than the default value,
112 * which is now 0x22f.
114 if (physical_device
->rad_info
.chip_class
<= GFX6
) {
115 /* XXX: This should be:
116 * (number of compute units) * 4 * (waves per simd) - 1 */
118 radeon_set_sh_reg(cs
, R_00B82C_COMPUTE_MAX_WAVE_ID
,
119 0x190 /* Default value */);
123 /* 12.4 fixed-point */
124 static unsigned radv_pack_float_12p4(float x
)
127 x
>= 4096 ? 0xffff : x
* 16;
131 si_set_raster_config(struct radv_physical_device
*physical_device
,
132 struct radeon_cmdbuf
*cs
)
134 unsigned num_rb
= MIN2(physical_device
->rad_info
.num_render_backends
, 16);
135 unsigned rb_mask
= physical_device
->rad_info
.enabled_rb_mask
;
136 unsigned raster_config
, raster_config_1
;
138 ac_get_raster_config(&physical_device
->rad_info
,
140 &raster_config_1
, NULL
);
142 /* Always use the default config when all backends are enabled
143 * (or when we failed to determine the enabled backends).
145 if (!rb_mask
|| util_bitcount(rb_mask
) >= num_rb
) {
146 radeon_set_context_reg(cs
, R_028350_PA_SC_RASTER_CONFIG
,
148 if (physical_device
->rad_info
.chip_class
>= GFX7
)
149 radeon_set_context_reg(cs
, R_028354_PA_SC_RASTER_CONFIG_1
,
152 si_write_harvested_raster_configs(physical_device
, cs
,
159 si_emit_graphics(struct radv_physical_device
*physical_device
,
160 struct radeon_cmdbuf
*cs
)
164 radeon_emit(cs
, PKT3(PKT3_CONTEXT_CONTROL
, 1, 0));
165 radeon_emit(cs
, CONTEXT_CONTROL_LOAD_ENABLE(1));
166 radeon_emit(cs
, CONTEXT_CONTROL_SHADOW_ENABLE(1));
168 if (physical_device
->has_clear_state
) {
169 radeon_emit(cs
, PKT3(PKT3_CLEAR_STATE
, 0, 0));
173 if (physical_device
->rad_info
.chip_class
<= GFX8
)
174 si_set_raster_config(physical_device
, cs
);
176 radeon_set_context_reg(cs
, R_028A18_VGT_HOS_MAX_TESS_LEVEL
, fui(64));
177 if (!physical_device
->has_clear_state
)
178 radeon_set_context_reg(cs
, R_028A1C_VGT_HOS_MIN_TESS_LEVEL
, fui(0));
180 /* FIXME calculate these values somehow ??? */
181 if (physical_device
->rad_info
.chip_class
<= GFX8
) {
182 radeon_set_context_reg(cs
, R_028A54_VGT_GS_PER_ES
, SI_GS_PER_ES
);
183 radeon_set_context_reg(cs
, R_028A58_VGT_ES_PER_GS
, 0x40);
186 if (!physical_device
->has_clear_state
) {
187 radeon_set_context_reg(cs
, R_028A5C_VGT_GS_PER_VS
, 0x2);
188 radeon_set_context_reg(cs
, R_028A8C_VGT_PRIMITIVEID_RESET
, 0x0);
189 radeon_set_context_reg(cs
, R_028B98_VGT_STRMOUT_BUFFER_CONFIG
, 0x0);
192 radeon_set_context_reg(cs
, R_028AA0_VGT_INSTANCE_STEP_RATE_0
, 1);
193 if (!physical_device
->has_clear_state
)
194 radeon_set_context_reg(cs
, R_028AB8_VGT_VTX_CNT_EN
, 0x0);
195 if (physical_device
->rad_info
.chip_class
< GFX7
)
196 radeon_set_config_reg(cs
, R_008A14_PA_CL_ENHANCE
, S_008A14_NUM_CLIP_SEQ(3) |
197 S_008A14_CLIP_VTX_REORDER_ENA(1));
199 if (!physical_device
->has_clear_state
)
200 radeon_set_context_reg(cs
, R_02882C_PA_SU_PRIM_FILTER_CNTL
, 0);
202 /* CLEAR_STATE doesn't clear these correctly on certain generations.
203 * I don't know why. Deduced by trial and error.
205 if (physical_device
->rad_info
.chip_class
<= GFX7
) {
206 radeon_set_context_reg(cs
, R_028B28_VGT_STRMOUT_DRAW_OPAQUE_OFFSET
, 0);
207 radeon_set_context_reg(cs
, R_028204_PA_SC_WINDOW_SCISSOR_TL
,
208 S_028204_WINDOW_OFFSET_DISABLE(1));
209 radeon_set_context_reg(cs
, R_028240_PA_SC_GENERIC_SCISSOR_TL
,
210 S_028240_WINDOW_OFFSET_DISABLE(1));
211 radeon_set_context_reg(cs
, R_028244_PA_SC_GENERIC_SCISSOR_BR
,
212 S_028244_BR_X(16384) | S_028244_BR_Y(16384));
213 radeon_set_context_reg(cs
, R_028030_PA_SC_SCREEN_SCISSOR_TL
, 0);
214 radeon_set_context_reg(cs
, R_028034_PA_SC_SCREEN_SCISSOR_BR
,
215 S_028034_BR_X(16384) | S_028034_BR_Y(16384));
218 if (!physical_device
->has_clear_state
) {
219 for (i
= 0; i
< 16; i
++) {
220 radeon_set_context_reg(cs
, R_0282D0_PA_SC_VPORT_ZMIN_0
+ i
*8, 0);
221 radeon_set_context_reg(cs
, R_0282D4_PA_SC_VPORT_ZMAX_0
+ i
*8, fui(1.0));
225 if (!physical_device
->has_clear_state
) {
226 radeon_set_context_reg(cs
, R_02820C_PA_SC_CLIPRECT_RULE
, 0xFFFF);
227 radeon_set_context_reg(cs
, R_028230_PA_SC_EDGERULE
, 0xAAAAAAAA);
228 /* PA_SU_HARDWARE_SCREEN_OFFSET must be 0 due to hw bug on GFX6 */
229 radeon_set_context_reg(cs
, R_028234_PA_SU_HARDWARE_SCREEN_OFFSET
, 0);
230 radeon_set_context_reg(cs
, R_028820_PA_CL_NANINF_CNTL
, 0);
231 radeon_set_context_reg(cs
, R_028AC0_DB_SRESULTS_COMPARE_STATE0
, 0x0);
232 radeon_set_context_reg(cs
, R_028AC4_DB_SRESULTS_COMPARE_STATE1
, 0x0);
233 radeon_set_context_reg(cs
, R_028AC8_DB_PRELOAD_CONTROL
, 0x0);
236 radeon_set_context_reg(cs
, R_02800C_DB_RENDER_OVERRIDE
,
237 S_02800C_FORCE_HIS_ENABLE0(V_02800C_FORCE_DISABLE
) |
238 S_02800C_FORCE_HIS_ENABLE1(V_02800C_FORCE_DISABLE
));
240 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
241 radeon_set_context_reg(cs
, R_028A98_VGT_DRAW_PAYLOAD_CNTL
, 0);
242 radeon_set_uconfig_reg(cs
, R_030964_GE_MAX_VTX_INDX
, ~0);
243 radeon_set_uconfig_reg(cs
, R_030924_GE_MIN_VTX_INDX
, 0);
244 radeon_set_uconfig_reg(cs
, R_030928_GE_INDX_OFFSET
, 0);
245 radeon_set_uconfig_reg(cs
, R_03097C_GE_STEREO_CNTL
, 0);
246 radeon_set_uconfig_reg(cs
, R_030988_GE_USER_VGPR_EN
, 0);
247 } else if (physical_device
->rad_info
.chip_class
>= GFX9
) {
248 radeon_set_uconfig_reg(cs
, R_030920_VGT_MAX_VTX_INDX
, ~0);
249 radeon_set_uconfig_reg(cs
, R_030924_VGT_MIN_VTX_INDX
, 0);
250 radeon_set_uconfig_reg(cs
, R_030928_VGT_INDX_OFFSET
, 0);
252 /* These registers, when written, also overwrite the
253 * CLEAR_STATE context, so we can't rely on CLEAR_STATE setting
254 * them. It would be an issue if there was another UMD
257 radeon_set_context_reg(cs
, R_028400_VGT_MAX_VTX_INDX
, ~0);
258 radeon_set_context_reg(cs
, R_028404_VGT_MIN_VTX_INDX
, 0);
259 radeon_set_context_reg(cs
, R_028408_VGT_INDX_OFFSET
, 0);
262 if (physical_device
->rad_info
.chip_class
>= GFX7
) {
263 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
264 /* Logical CUs 16 - 31 */
265 radeon_set_sh_reg(cs
, R_00B404_SPI_SHADER_PGM_RSRC4_HS
,
266 S_00B404_CU_EN(0xffff));
267 radeon_set_sh_reg(cs
, R_00B104_SPI_SHADER_PGM_RSRC4_VS
,
268 S_00B104_CU_EN(0xffff));
269 radeon_set_sh_reg(cs
, R_00B004_SPI_SHADER_PGM_RSRC4_PS
,
270 S_00B004_CU_EN(0xffff));
273 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
274 radeon_set_sh_reg(cs
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
275 S_00B41C_CU_EN(0xffff) | S_00B41C_WAVE_LIMIT(0x3F));
277 radeon_set_sh_reg(cs
, R_00B51C_SPI_SHADER_PGM_RSRC3_LS
,
278 S_00B51C_CU_EN(0xffff) | S_00B51C_WAVE_LIMIT(0x3F));
279 radeon_set_sh_reg(cs
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
280 S_00B41C_WAVE_LIMIT(0x3F));
281 radeon_set_sh_reg(cs
, R_00B31C_SPI_SHADER_PGM_RSRC3_ES
,
282 S_00B31C_CU_EN(0xffff) | S_00B31C_WAVE_LIMIT(0x3F));
283 /* If this is 0, Bonaire can hang even if GS isn't being used.
284 * Other chips are unaffected. These are suboptimal values,
285 * but we don't use on-chip GS.
287 radeon_set_context_reg(cs
, R_028A44_VGT_GS_ONCHIP_CNTL
,
288 S_028A44_ES_VERTS_PER_SUBGRP(64) |
289 S_028A44_GS_PRIMS_PER_SUBGRP(4));
292 /* Compute LATE_ALLOC_VS.LIMIT. */
293 unsigned num_cu_per_sh
= physical_device
->rad_info
.num_good_cu_per_sh
;
294 unsigned late_alloc_limit
; /* The limit is per SH. */
296 if (physical_device
->rad_info
.family
== CHIP_KABINI
) {
297 late_alloc_limit
= 0; /* Potential hang on Kabini. */
298 } else if (num_cu_per_sh
<= 4) {
299 /* Too few available compute units per SH. Disallowing
300 * VS to run on one CU could hurt us more than late VS
301 * allocation would help.
303 * 2 is the highest safe number that allows us to keep
306 late_alloc_limit
= 2;
308 /* This is a good initial value, allowing 1 late_alloc
309 * wave per SIMD on num_cu - 2.
311 late_alloc_limit
= (num_cu_per_sh
- 2) * 4;
314 unsigned cu_mask_vs
= 0xffff;
315 unsigned cu_mask_gs
= 0xffff;
317 if (late_alloc_limit
> 2) {
318 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
319 /* CU2 & CU3 disabled because of the dual CU design */
321 cu_mask_gs
= 0xfff3; /* NGG only */
323 cu_mask_vs
= 0xfffe; /* 1 CU disabled */
327 radeon_set_sh_reg(cs
, R_00B118_SPI_SHADER_PGM_RSRC3_VS
,
328 S_00B118_CU_EN(cu_mask_vs
) |
329 S_00B118_WAVE_LIMIT(0x3F));
330 radeon_set_sh_reg(cs
, R_00B11C_SPI_SHADER_LATE_ALLOC_VS
,
331 S_00B11C_LIMIT(late_alloc_limit
));
333 radeon_set_sh_reg(cs
, R_00B21C_SPI_SHADER_PGM_RSRC3_GS
,
334 S_00B21C_CU_EN(cu_mask_gs
) | S_00B21C_WAVE_LIMIT(0x3F));
336 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
337 radeon_set_sh_reg(cs
, R_00B204_SPI_SHADER_PGM_RSRC4_GS
,
338 S_00B204_CU_EN(0xffff) |
339 S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_limit
));
342 radeon_set_sh_reg(cs
, R_00B01C_SPI_SHADER_PGM_RSRC3_PS
,
343 S_00B01C_CU_EN(0xffff) | S_00B01C_WAVE_LIMIT(0x3F));
346 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
347 /* Break up a pixel wave if it contains deallocs for more than
348 * half the parameter cache.
350 * To avoid a deadlock where pixel waves aren't launched
351 * because they're waiting for more pixels while the frontend
352 * is stuck waiting for PC space, the maximum allowed value is
353 * the size of the PC minus the largest possible allocation for
354 * a single primitive shader subgroup.
356 radeon_set_context_reg(cs
, R_028C50_PA_SC_NGG_MODE_CNTL
,
357 S_028C50_MAX_DEALLOCS_IN_WAVE(512));
358 radeon_set_context_reg(cs
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
359 radeon_set_context_reg(cs
, R_02835C_PA_SC_TILE_STEERING_OVERRIDE
,
360 physical_device
->rad_info
.pa_sc_tile_steering_override
);
361 radeon_set_context_reg(cs
, R_02807C_DB_RMI_L2_CACHE_CONTROL
,
362 S_02807C_Z_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
363 S_02807C_S_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
364 S_02807C_HTILE_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
365 S_02807C_ZPCPSD_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
366 S_02807C_Z_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
367 S_02807C_S_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
368 S_02807C_HTILE_RD_POLICY(V_02807C_CACHE_NOA_RD
));
370 radeon_set_context_reg(cs
, R_028410_CB_RMI_GL2_CACHE_CONTROL
,
371 S_028410_CMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
372 S_028410_FMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
373 S_028410_DCC_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
374 S_028410_COLOR_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
375 S_028410_CMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
376 S_028410_FMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
377 S_028410_DCC_RD_POLICY(V_028410_CACHE_NOA_RD
) |
378 S_028410_COLOR_RD_POLICY(V_028410_CACHE_NOA_RD
));
379 radeon_set_context_reg(cs
, R_028428_CB_COVERAGE_OUT_CONTROL
, 0);
381 radeon_set_sh_reg(cs
, R_00B0C0_SPI_SHADER_REQ_CTRL_PS
,
382 S_00B0C0_SOFT_GROUPING_EN(1) |
383 S_00B0C0_NUMBER_OF_REQUESTS_PER_CU(4 - 1));
384 radeon_set_sh_reg(cs
, R_00B1C0_SPI_SHADER_REQ_CTRL_VS
, 0);
387 if (physical_device
->rad_info
.chip_class
>= GFX8
) {
388 uint32_t vgt_tess_distribution
;
390 vgt_tess_distribution
= S_028B50_ACCUM_ISOLINE(32) |
391 S_028B50_ACCUM_TRI(11) |
392 S_028B50_ACCUM_QUAD(11) |
393 S_028B50_DONUT_SPLIT(16);
395 if (physical_device
->rad_info
.family
== CHIP_FIJI
||
396 physical_device
->rad_info
.family
>= CHIP_POLARIS10
)
397 vgt_tess_distribution
|= S_028B50_TRAP_SPLIT(3);
399 radeon_set_context_reg(cs
, R_028B50_VGT_TESS_DISTRIBUTION
,
400 vgt_tess_distribution
);
401 } else if (!physical_device
->has_clear_state
) {
402 radeon_set_context_reg(cs
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
403 radeon_set_context_reg(cs
, R_028C5C_VGT_OUT_DEALLOC_CNTL
, 16);
406 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
407 unsigned num_se
= physical_device
->rad_info
.max_se
;
408 unsigned pc_lines
= 0;
409 unsigned max_alloc_count
= 0;
411 switch (physical_device
->rad_info
.family
) {
430 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
431 max_alloc_count
= pc_lines
/ 3;
433 max_alloc_count
= MIN2(128, pc_lines
/ (4 * num_se
));
436 radeon_set_context_reg(cs
, R_028C48_PA_SC_BINNER_CNTL_1
,
437 S_028C48_MAX_ALLOC_COUNT(max_alloc_count
) |
438 S_028C48_MAX_PRIM_PER_BATCH(1023));
439 radeon_set_context_reg(cs
, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL
,
440 S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1));
441 radeon_set_uconfig_reg(cs
, R_030968_VGT_INSTANCE_BASE_ID
, 0);
444 unsigned tmp
= (unsigned)(1.0 * 8.0);
445 radeon_set_context_reg_seq(cs
, R_028A00_PA_SU_POINT_SIZE
, 1);
446 radeon_emit(cs
, S_028A00_HEIGHT(tmp
) | S_028A00_WIDTH(tmp
));
447 radeon_set_context_reg_seq(cs
, R_028A04_PA_SU_POINT_MINMAX
, 1);
448 radeon_emit(cs
, S_028A04_MIN_SIZE(radv_pack_float_12p4(0)) |
449 S_028A04_MAX_SIZE(radv_pack_float_12p4(8192/2)));
451 if (!physical_device
->has_clear_state
) {
452 radeon_set_context_reg(cs
, R_028004_DB_COUNT_CONTROL
,
453 S_028004_ZPASS_INCREMENT_DISABLE(1));
456 /* Enable the Polaris small primitive filter control.
457 * XXX: There is possibly an issue when MSAA is off (see RadeonSI
458 * has_msaa_sample_loc_bug). But this doesn't seem to regress anything,
459 * and AMDVLK doesn't have a workaround as well.
461 if (physical_device
->rad_info
.family
>= CHIP_POLARIS10
) {
462 unsigned small_prim_filter_cntl
=
463 S_028830_SMALL_PRIM_FILTER_ENABLE(1) |
464 /* Workaround for a hw line bug. */
465 S_028830_LINE_FILTER_DISABLE(physical_device
->rad_info
.family
<= CHIP_POLARIS12
);
467 radeon_set_context_reg(cs
, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL
,
468 small_prim_filter_cntl
);
471 si_emit_compute(physical_device
, cs
);
475 cik_create_gfx_config(struct radv_device
*device
)
477 struct radeon_cmdbuf
*cs
= device
->ws
->cs_create(device
->ws
, RING_GFX
);
481 si_emit_graphics(device
->physical_device
, cs
);
483 while (cs
->cdw
& 7) {
484 if (device
->physical_device
->rad_info
.gfx_ib_pad_with_type2
)
485 radeon_emit(cs
, 0x80000000);
487 radeon_emit(cs
, 0xffff1000);
490 device
->gfx_init
= device
->ws
->buffer_create(device
->ws
,
493 RADEON_FLAG_CPU_ACCESS
|
494 RADEON_FLAG_NO_INTERPROCESS_SHARING
|
495 RADEON_FLAG_READ_ONLY
,
496 RADV_BO_PRIORITY_CS
);
497 if (!device
->gfx_init
)
500 void *map
= device
->ws
->buffer_map(device
->gfx_init
);
502 device
->ws
->buffer_destroy(device
->gfx_init
);
503 device
->gfx_init
= NULL
;
506 memcpy(map
, cs
->buf
, cs
->cdw
* 4);
508 device
->ws
->buffer_unmap(device
->gfx_init
);
509 device
->gfx_init_size_dw
= cs
->cdw
;
511 device
->ws
->cs_destroy(cs
);
515 get_viewport_xform(const VkViewport
*viewport
,
516 float scale
[3], float translate
[3])
518 float x
= viewport
->x
;
519 float y
= viewport
->y
;
520 float half_width
= 0.5f
* viewport
->width
;
521 float half_height
= 0.5f
* viewport
->height
;
522 double n
= viewport
->minDepth
;
523 double f
= viewport
->maxDepth
;
525 scale
[0] = half_width
;
526 translate
[0] = half_width
+ x
;
527 scale
[1] = half_height
;
528 translate
[1] = half_height
+ y
;
535 si_write_viewport(struct radeon_cmdbuf
*cs
, int first_vp
,
536 int count
, const VkViewport
*viewports
)
541 radeon_set_context_reg_seq(cs
, R_02843C_PA_CL_VPORT_XSCALE
+
542 first_vp
* 4 * 6, count
* 6);
544 for (i
= 0; i
< count
; i
++) {
545 float scale
[3], translate
[3];
548 get_viewport_xform(&viewports
[i
], scale
, translate
);
549 radeon_emit(cs
, fui(scale
[0]));
550 radeon_emit(cs
, fui(translate
[0]));
551 radeon_emit(cs
, fui(scale
[1]));
552 radeon_emit(cs
, fui(translate
[1]));
553 radeon_emit(cs
, fui(scale
[2]));
554 radeon_emit(cs
, fui(translate
[2]));
557 radeon_set_context_reg_seq(cs
, R_0282D0_PA_SC_VPORT_ZMIN_0
+
558 first_vp
* 4 * 2, count
* 2);
559 for (i
= 0; i
< count
; i
++) {
560 float zmin
= MIN2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
561 float zmax
= MAX2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
562 radeon_emit(cs
, fui(zmin
));
563 radeon_emit(cs
, fui(zmax
));
567 static VkRect2D
si_scissor_from_viewport(const VkViewport
*viewport
)
569 float scale
[3], translate
[3];
572 get_viewport_xform(viewport
, scale
, translate
);
574 rect
.offset
.x
= translate
[0] - fabs(scale
[0]);
575 rect
.offset
.y
= translate
[1] - fabs(scale
[1]);
576 rect
.extent
.width
= ceilf(translate
[0] + fabs(scale
[0])) - rect
.offset
.x
;
577 rect
.extent
.height
= ceilf(translate
[1] + fabs(scale
[1])) - rect
.offset
.y
;
582 static VkRect2D
si_intersect_scissor(const VkRect2D
*a
, const VkRect2D
*b
) {
584 ret
.offset
.x
= MAX2(a
->offset
.x
, b
->offset
.x
);
585 ret
.offset
.y
= MAX2(a
->offset
.y
, b
->offset
.y
);
586 ret
.extent
.width
= MIN2(a
->offset
.x
+ a
->extent
.width
,
587 b
->offset
.x
+ b
->extent
.width
) - ret
.offset
.x
;
588 ret
.extent
.height
= MIN2(a
->offset
.y
+ a
->extent
.height
,
589 b
->offset
.y
+ b
->extent
.height
) - ret
.offset
.y
;
594 si_write_scissors(struct radeon_cmdbuf
*cs
, int first
,
595 int count
, const VkRect2D
*scissors
,
596 const VkViewport
*viewports
, bool can_use_guardband
)
599 float scale
[3], translate
[3], guardband_x
= INFINITY
, guardband_y
= INFINITY
;
600 const float max_range
= 32767.0f
;
604 radeon_set_context_reg_seq(cs
, R_028250_PA_SC_VPORT_SCISSOR_0_TL
+ first
* 4 * 2, count
* 2);
605 for (i
= 0; i
< count
; i
++) {
606 VkRect2D viewport_scissor
= si_scissor_from_viewport(viewports
+ i
);
607 VkRect2D scissor
= si_intersect_scissor(&scissors
[i
], &viewport_scissor
);
609 get_viewport_xform(viewports
+ i
, scale
, translate
);
610 scale
[0] = fabsf(scale
[0]);
611 scale
[1] = fabsf(scale
[1]);
618 guardband_x
= MIN2(guardband_x
, (max_range
- fabsf(translate
[0])) / scale
[0]);
619 guardband_y
= MIN2(guardband_y
, (max_range
- fabsf(translate
[1])) / scale
[1]);
621 radeon_emit(cs
, S_028250_TL_X(scissor
.offset
.x
) |
622 S_028250_TL_Y(scissor
.offset
.y
) |
623 S_028250_WINDOW_OFFSET_DISABLE(1));
624 radeon_emit(cs
, S_028254_BR_X(scissor
.offset
.x
+ scissor
.extent
.width
) |
625 S_028254_BR_Y(scissor
.offset
.y
+ scissor
.extent
.height
));
627 if (!can_use_guardband
) {
632 radeon_set_context_reg_seq(cs
, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ
, 4);
633 radeon_emit(cs
, fui(guardband_y
));
634 radeon_emit(cs
, fui(1.0));
635 radeon_emit(cs
, fui(guardband_x
));
636 radeon_emit(cs
, fui(1.0));
639 static inline unsigned
640 radv_prims_for_vertices(struct radv_prim_vertex_count
*info
, unsigned num
)
651 return 1 + ((num
- info
->min
) / info
->incr
);
655 si_get_ia_multi_vgt_param(struct radv_cmd_buffer
*cmd_buffer
,
656 bool instanced_draw
, bool indirect_draw
,
657 bool count_from_stream_output
,
658 uint32_t draw_vertex_count
)
660 enum chip_class chip_class
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
;
661 enum radeon_family family
= cmd_buffer
->device
->physical_device
->rad_info
.family
;
662 struct radeon_info
*info
= &cmd_buffer
->device
->physical_device
->rad_info
;
663 const unsigned max_primgroup_in_wave
= 2;
664 /* SWITCH_ON_EOP(0) is always preferable. */
665 bool wd_switch_on_eop
= false;
666 bool ia_switch_on_eop
= false;
667 bool ia_switch_on_eoi
= false;
668 bool partial_vs_wave
= false;
669 bool partial_es_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_es_wave
;
670 bool multi_instances_smaller_than_primgroup
;
672 multi_instances_smaller_than_primgroup
= indirect_draw
;
673 if (!multi_instances_smaller_than_primgroup
&& instanced_draw
) {
674 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
675 if (num_prims
< cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.primgroup_size
)
676 multi_instances_smaller_than_primgroup
= true;
679 ia_switch_on_eoi
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.ia_switch_on_eoi
;
680 partial_vs_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_vs_wave
;
682 if (chip_class
>= GFX7
) {
683 wd_switch_on_eop
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.wd_switch_on_eop
;
685 /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
686 * We don't know that for indirect drawing, so treat it as
687 * always problematic. */
688 if (family
== CHIP_HAWAII
&&
689 (instanced_draw
|| indirect_draw
))
690 wd_switch_on_eop
= true;
692 /* Performance recommendation for 4 SE Gfx7-8 parts if
693 * instances are smaller than a primgroup.
694 * Assume indirect draws always use small instances.
695 * This is needed for good VS wave utilization.
697 if (chip_class
<= GFX8
&&
699 multi_instances_smaller_than_primgroup
)
700 wd_switch_on_eop
= true;
702 /* Required on GFX7 and later. */
703 if (info
->max_se
> 2 && !wd_switch_on_eop
)
704 ia_switch_on_eoi
= true;
706 /* Required by Hawaii and, for some special cases, by GFX8. */
707 if (ia_switch_on_eoi
&&
708 (family
== CHIP_HAWAII
||
709 (chip_class
== GFX8
&&
710 /* max primgroup in wave is always 2 - leave this for documentation */
711 (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
) || max_primgroup_in_wave
!= 2))))
712 partial_vs_wave
= true;
714 /* Instancing bug on Bonaire. */
715 if (family
== CHIP_BONAIRE
&& ia_switch_on_eoi
&&
716 (instanced_draw
|| indirect_draw
))
717 partial_vs_wave
= true;
719 /* Hardware requirement when drawing primitives from a stream
722 if (count_from_stream_output
)
723 wd_switch_on_eop
= true;
725 /* If the WD switch is false, the IA switch must be false too. */
726 assert(wd_switch_on_eop
|| !ia_switch_on_eop
);
728 /* If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */
729 if (chip_class
<= GFX8
&& ia_switch_on_eoi
)
730 partial_es_wave
= true;
732 if (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
)) {
733 /* GS hw bug with single-primitive instances and SWITCH_ON_EOI.
734 * The hw doc says all multi-SE chips are affected, but amdgpu-pro Vulkan
735 * only applies it to Hawaii. Do what amdgpu-pro Vulkan does.
737 if (family
== CHIP_HAWAII
&& ia_switch_on_eoi
) {
738 bool set_vgt_flush
= indirect_draw
;
739 if (!set_vgt_flush
&& instanced_draw
) {
740 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
742 set_vgt_flush
= true;
745 cmd_buffer
->state
.flush_bits
|= RADV_CMD_FLAG_VGT_FLUSH
;
749 return cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.base
|
750 S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop
) |
751 S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi
) |
752 S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave
) |
753 S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave
) |
754 S_028AA8_WD_SWITCH_ON_EOP(chip_class
>= GFX7
? wd_switch_on_eop
: 0);
758 void si_cs_emit_write_event_eop(struct radeon_cmdbuf
*cs
,
759 enum chip_class chip_class
,
761 unsigned event
, unsigned event_flags
,
765 uint64_t gfx9_eop_bug_va
)
767 unsigned op
= EVENT_TYPE(event
) |
770 unsigned is_gfx8_mec
= is_mec
&& chip_class
< GFX9
;
771 unsigned sel
= EOP_DATA_SEL(data_sel
);
773 /* Wait for write confirmation before writing data, but don't send
775 if (data_sel
!= EOP_DATA_SEL_DISCARD
)
776 sel
|= EOP_INT_SEL(EOP_INT_SEL_SEND_DATA_AFTER_WR_CONFIRM
);
778 if (chip_class
>= GFX9
|| is_gfx8_mec
) {
779 /* A ZPASS_DONE or PIXEL_STAT_DUMP_EVENT (of the DB occlusion
780 * counters) must immediately precede every timestamp event to
781 * prevent a GPU hang on GFX9.
783 if (chip_class
== GFX9
&& !is_mec
) {
784 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 2, 0));
785 radeon_emit(cs
, EVENT_TYPE(EVENT_TYPE_ZPASS_DONE
) | EVENT_INDEX(1));
786 radeon_emit(cs
, gfx9_eop_bug_va
);
787 radeon_emit(cs
, gfx9_eop_bug_va
>> 32);
790 radeon_emit(cs
, PKT3(PKT3_RELEASE_MEM
, is_gfx8_mec
? 5 : 6, false));
792 radeon_emit(cs
, sel
);
793 radeon_emit(cs
, va
); /* address lo */
794 radeon_emit(cs
, va
>> 32); /* address hi */
795 radeon_emit(cs
, new_fence
); /* immediate data lo */
796 radeon_emit(cs
, 0); /* immediate data hi */
798 radeon_emit(cs
, 0); /* unused */
800 if (chip_class
== GFX7
||
801 chip_class
== GFX8
) {
802 /* Two EOP events are required to make all engines go idle
803 * (and optional cache flushes executed) before the timestamp
806 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
809 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
810 radeon_emit(cs
, 0); /* immediate data */
811 radeon_emit(cs
, 0); /* unused */
814 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
817 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
818 radeon_emit(cs
, new_fence
); /* immediate data */
819 radeon_emit(cs
, 0); /* unused */
824 radv_cp_wait_mem(struct radeon_cmdbuf
*cs
, uint32_t op
, uint64_t va
,
825 uint32_t ref
, uint32_t mask
)
827 assert(op
== WAIT_REG_MEM_EQUAL
||
828 op
== WAIT_REG_MEM_NOT_EQUAL
||
829 op
== WAIT_REG_MEM_GREATER_OR_EQUAL
);
831 radeon_emit(cs
, PKT3(PKT3_WAIT_REG_MEM
, 5, false));
832 radeon_emit(cs
, op
| WAIT_REG_MEM_MEM_SPACE(1));
834 radeon_emit(cs
, va
>> 32);
835 radeon_emit(cs
, ref
); /* reference value */
836 radeon_emit(cs
, mask
); /* mask */
837 radeon_emit(cs
, 4); /* poll interval */
841 si_emit_acquire_mem(struct radeon_cmdbuf
*cs
,
844 unsigned cp_coher_cntl
)
846 if (is_mec
|| is_gfx9
) {
847 uint32_t hi_val
= is_gfx9
? 0xffffff : 0xff;
848 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 5, false) |
849 PKT3_SHADER_TYPE_S(is_mec
));
850 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
851 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
852 radeon_emit(cs
, hi_val
); /* CP_COHER_SIZE_HI */
853 radeon_emit(cs
, 0); /* CP_COHER_BASE */
854 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
855 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
857 /* ACQUIRE_MEM is only required on a compute ring. */
858 radeon_emit(cs
, PKT3(PKT3_SURFACE_SYNC
, 3, false));
859 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
860 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
861 radeon_emit(cs
, 0); /* CP_COHER_BASE */
862 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
867 gfx10_cs_emit_cache_flush(struct radeon_cmdbuf
*cs
,
868 enum chip_class chip_class
,
872 enum radv_cmd_flush_bits flush_bits
,
873 uint64_t gfx9_eop_bug_va
)
875 uint32_t gcr_cntl
= 0;
876 unsigned cb_db_event
= 0;
878 /* We don't need these. */
879 assert(!(flush_bits
& (RADV_CMD_FLAG_VGT_FLUSH
|
880 RADV_CMD_FLAG_VGT_STREAMOUT_SYNC
)));
882 if (flush_bits
& RADV_CMD_FLAG_INV_ICACHE
)
883 gcr_cntl
|= S_586_GLI_INV(V_586_GLI_ALL
);
884 if (flush_bits
& RADV_CMD_FLAG_INV_SCACHE
) {
885 /* TODO: When writing to the SMEM L1 cache, we need to set SEQ
886 * to FORWARD when both L1 and L2 are written out (WB or INV).
888 gcr_cntl
|= S_586_GL1_INV(1) | S_586_GLK_INV(1);
890 if (flush_bits
& RADV_CMD_FLAG_INV_VCACHE
)
891 gcr_cntl
|= S_586_GL1_INV(1) | S_586_GLV_INV(1);
892 if (flush_bits
& RADV_CMD_FLAG_INV_L2
) {
893 /* Writeback and invalidate everything in L2. */
894 gcr_cntl
|= S_586_GL2_INV(1) | S_586_GLM_INV(1);
895 } else if (flush_bits
& RADV_CMD_FLAG_WB_L2
) {
896 /* Writeback but do not invalidate. */
897 gcr_cntl
|= S_586_GL2_WB(1);
900 /* TODO: Implement this new flag for GFX9+.
901 if (flush_bits & RADV_CMD_FLAG_INV_L2_METADATA)
902 gcr_cntl |= S_586_GLM_INV(1);
905 if (flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) {
906 /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_CB_META */
907 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
908 /* Flush CMASK/FMASK/DCC. Will wait for idle later. */
909 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
910 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) |
914 /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_DB_META ? */
915 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
916 /* Flush HTILE. Will wait for idle later. */
917 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
918 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) |
922 /* First flush CB/DB, then L1/L2. */
923 gcr_cntl
|= S_586_SEQ(V_586_SEQ_FORWARD
);
925 if ((flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) ==
926 (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) {
927 cb_db_event
= V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT
;
928 } else if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
929 cb_db_event
= V_028A90_FLUSH_AND_INV_CB_DATA_TS
;
930 } else if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
931 cb_db_event
= V_028A90_FLUSH_AND_INV_DB_DATA_TS
;
936 /* Wait for graphics shaders to go idle if requested. */
937 if (flush_bits
& RADV_CMD_FLAG_PS_PARTIAL_FLUSH
) {
938 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
939 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
940 } else if (flush_bits
& RADV_CMD_FLAG_VS_PARTIAL_FLUSH
) {
941 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
942 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
946 if (flush_bits
& RADV_CMD_FLAG_CS_PARTIAL_FLUSH
) {
947 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
948 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
| EVENT_INDEX(4)));
952 /* CB/DB flush and invalidate (or possibly just a wait for a
953 * meta flush) via RELEASE_MEM.
955 * Combine this with other cache flushes when possible; this
956 * requires affected shaders to be idle, so do it after the
957 * CS_PARTIAL_FLUSH before (VS/PS partial flushes are always
960 /* Get GCR_CNTL fields, because the encoding is different in RELEASE_MEM. */
961 unsigned glm_wb
= G_586_GLM_WB(gcr_cntl
);
962 unsigned glm_inv
= G_586_GLM_INV(gcr_cntl
);
963 unsigned glv_inv
= G_586_GLV_INV(gcr_cntl
);
964 unsigned gl1_inv
= G_586_GL1_INV(gcr_cntl
);
965 assert(G_586_GL2_US(gcr_cntl
) == 0);
966 assert(G_586_GL2_RANGE(gcr_cntl
) == 0);
967 assert(G_586_GL2_DISCARD(gcr_cntl
) == 0);
968 unsigned gl2_inv
= G_586_GL2_INV(gcr_cntl
);
969 unsigned gl2_wb
= G_586_GL2_WB(gcr_cntl
);
970 unsigned gcr_seq
= G_586_SEQ(gcr_cntl
);
972 gcr_cntl
&= C_586_GLM_WB
&
977 C_586_GL2_WB
; /* keep SEQ */
982 si_cs_emit_write_event_eop(cs
, chip_class
, false, cb_db_event
,
983 S_490_GLM_WB(glm_wb
) |
984 S_490_GLM_INV(glm_inv
) |
985 S_490_GLV_INV(glv_inv
) |
986 S_490_GL1_INV(gl1_inv
) |
987 S_490_GL2_INV(gl2_inv
) |
988 S_490_GL2_WB(gl2_wb
) |
990 EOP_DATA_SEL_VALUE_32BIT
,
991 flush_va
, *flush_cnt
,
994 radv_cp_wait_mem(cs
, WAIT_REG_MEM_EQUAL
, flush_va
,
995 *flush_cnt
, 0xffffffff);
998 /* Ignore fields that only modify the behavior of other fields. */
999 if (gcr_cntl
& C_586_GL1_RANGE
& C_586_GL2_RANGE
& C_586_SEQ
) {
1000 /* Flush caches and wait for the caches to assert idle.
1001 * The cache flush is executed in the ME, but the PFP waits
1004 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 6, 0));
1005 radeon_emit(cs
, 0); /* CP_COHER_CNTL */
1006 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
1007 radeon_emit(cs
, 0xffffff); /* CP_COHER_SIZE_HI */
1008 radeon_emit(cs
, 0); /* CP_COHER_BASE */
1009 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
1010 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
1011 radeon_emit(cs
, gcr_cntl
); /* GCR_CNTL */
1012 } else if ((cb_db_event
||
1013 (flush_bits
& (RADV_CMD_FLAG_VS_PARTIAL_FLUSH
|
1014 RADV_CMD_FLAG_PS_PARTIAL_FLUSH
|
1015 RADV_CMD_FLAG_CS_PARTIAL_FLUSH
)))
1017 /* We need to ensure that PFP waits as well. */
1018 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
1022 if (flush_bits
& RADV_CMD_FLAG_START_PIPELINE_STATS
) {
1023 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1024 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_START
) |
1026 } else if (flush_bits
& RADV_CMD_FLAG_STOP_PIPELINE_STATS
) {
1027 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1028 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP
) |
1034 si_cs_emit_cache_flush(struct radeon_cmdbuf
*cs
,
1035 enum chip_class chip_class
,
1036 uint32_t *flush_cnt
,
1039 enum radv_cmd_flush_bits flush_bits
,
1040 uint64_t gfx9_eop_bug_va
)
1042 unsigned cp_coher_cntl
= 0;
1043 uint32_t flush_cb_db
= flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
1044 RADV_CMD_FLAG_FLUSH_AND_INV_DB
);
1046 if (chip_class
>= GFX10
) {
1047 /* GFX10 cache flush handling is quite different. */
1048 gfx10_cs_emit_cache_flush(cs
, chip_class
, flush_cnt
, flush_va
,
1049 is_mec
, flush_bits
, gfx9_eop_bug_va
);
1053 if (flush_bits
& RADV_CMD_FLAG_INV_ICACHE
)
1054 cp_coher_cntl
|= S_0085F0_SH_ICACHE_ACTION_ENA(1);
1055 if (flush_bits
& RADV_CMD_FLAG_INV_SCACHE
)
1056 cp_coher_cntl
|= S_0085F0_SH_KCACHE_ACTION_ENA(1);
1058 if (chip_class
<= GFX8
) {
1059 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
1060 cp_coher_cntl
|= S_0085F0_CB_ACTION_ENA(1) |
1061 S_0085F0_CB0_DEST_BASE_ENA(1) |
1062 S_0085F0_CB1_DEST_BASE_ENA(1) |
1063 S_0085F0_CB2_DEST_BASE_ENA(1) |
1064 S_0085F0_CB3_DEST_BASE_ENA(1) |
1065 S_0085F0_CB4_DEST_BASE_ENA(1) |
1066 S_0085F0_CB5_DEST_BASE_ENA(1) |
1067 S_0085F0_CB6_DEST_BASE_ENA(1) |
1068 S_0085F0_CB7_DEST_BASE_ENA(1);
1070 /* Necessary for DCC */
1071 if (chip_class
>= GFX8
) {
1072 si_cs_emit_write_event_eop(cs
,
1075 V_028A90_FLUSH_AND_INV_CB_DATA_TS
,
1077 EOP_DATA_SEL_DISCARD
,
1082 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
1083 cp_coher_cntl
|= S_0085F0_DB_ACTION_ENA(1) |
1084 S_0085F0_DB_DEST_BASE_ENA(1);
1088 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
) {
1089 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1090 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) | EVENT_INDEX(0));
1093 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
) {
1094 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1095 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) | EVENT_INDEX(0));
1098 if (flush_bits
& RADV_CMD_FLAG_PS_PARTIAL_FLUSH
) {
1099 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1100 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1101 } else if (flush_bits
& RADV_CMD_FLAG_VS_PARTIAL_FLUSH
) {
1102 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1103 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1106 if (flush_bits
& RADV_CMD_FLAG_CS_PARTIAL_FLUSH
) {
1107 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1108 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1111 if (chip_class
>= GFX9
&& flush_cb_db
) {
1112 unsigned cb_db_event
, tc_flags
;
1114 /* Set the CB/DB flush event. */
1115 cb_db_event
= V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT
;
1117 /* These are the only allowed combinations. If you need to
1118 * do multiple operations at once, do them separately.
1119 * All operations that invalidate L2 also seem to invalidate
1120 * metadata. Volatile (VOL) and WC flushes are not listed here.
1122 * TC | TC_WB = writeback & invalidate L2 & L1
1123 * TC | TC_WB | TC_NC = writeback & invalidate L2 for MTYPE == NC
1124 * TC_WB | TC_NC = writeback L2 for MTYPE == NC
1125 * TC | TC_NC = invalidate L2 for MTYPE == NC
1126 * TC | TC_MD = writeback & invalidate L2 metadata (DCC, etc.)
1127 * TCL1 = invalidate L1
1129 tc_flags
= EVENT_TC_ACTION_ENA
|
1130 EVENT_TC_MD_ACTION_ENA
;
1132 /* Ideally flush TC together with CB/DB. */
1133 if (flush_bits
& RADV_CMD_FLAG_INV_L2
) {
1134 /* Writeback and invalidate everything in L2 & L1. */
1135 tc_flags
= EVENT_TC_ACTION_ENA
|
1136 EVENT_TC_WB_ACTION_ENA
;
1139 /* Clear the flags. */
1140 flush_bits
&= ~(RADV_CMD_FLAG_INV_L2
|
1141 RADV_CMD_FLAG_WB_L2
|
1142 RADV_CMD_FLAG_INV_VCACHE
);
1147 si_cs_emit_write_event_eop(cs
, chip_class
, false, cb_db_event
, tc_flags
,
1148 EOP_DATA_SEL_VALUE_32BIT
,
1149 flush_va
, *flush_cnt
,
1151 radv_cp_wait_mem(cs
, WAIT_REG_MEM_EQUAL
, flush_va
,
1152 *flush_cnt
, 0xffffffff);
1155 /* VGT state sync */
1156 if (flush_bits
& RADV_CMD_FLAG_VGT_FLUSH
) {
1157 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1158 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
1161 /* VGT streamout state sync */
1162 if (flush_bits
& RADV_CMD_FLAG_VGT_STREAMOUT_SYNC
) {
1163 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1164 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_STREAMOUT_SYNC
) | EVENT_INDEX(0));
1167 /* Make sure ME is idle (it executes most packets) before continuing.
1168 * This prevents read-after-write hazards between PFP and ME.
1170 if ((cp_coher_cntl
||
1171 (flush_bits
& (RADV_CMD_FLAG_CS_PARTIAL_FLUSH
|
1172 RADV_CMD_FLAG_INV_VCACHE
|
1173 RADV_CMD_FLAG_INV_L2
|
1174 RADV_CMD_FLAG_WB_L2
))) &&
1176 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
1180 if ((flush_bits
& RADV_CMD_FLAG_INV_L2
) ||
1181 (chip_class
<= GFX7
&& (flush_bits
& RADV_CMD_FLAG_WB_L2
))) {
1182 si_emit_acquire_mem(cs
, is_mec
, chip_class
>= GFX9
,
1184 S_0085F0_TC_ACTION_ENA(1) |
1185 S_0085F0_TCL1_ACTION_ENA(1) |
1186 S_0301F0_TC_WB_ACTION_ENA(chip_class
>= GFX8
));
1189 if(flush_bits
& RADV_CMD_FLAG_WB_L2
) {
1191 * NC = apply to non-coherent MTYPEs
1192 * (i.e. MTYPE <= 1, which is what we use everywhere)
1194 * WB doesn't work without NC.
1196 si_emit_acquire_mem(cs
, is_mec
,
1199 S_0301F0_TC_WB_ACTION_ENA(1) |
1200 S_0301F0_TC_NC_ACTION_ENA(1));
1203 if (flush_bits
& RADV_CMD_FLAG_INV_VCACHE
) {
1204 si_emit_acquire_mem(cs
, is_mec
,
1207 S_0085F0_TCL1_ACTION_ENA(1));
1212 /* When one of the DEST_BASE flags is set, SURFACE_SYNC waits for idle.
1213 * Therefore, it should be last. Done in PFP.
1216 si_emit_acquire_mem(cs
, is_mec
, chip_class
>= GFX9
, cp_coher_cntl
);
1218 if (flush_bits
& RADV_CMD_FLAG_START_PIPELINE_STATS
) {
1219 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1220 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_START
) |
1222 } else if (flush_bits
& RADV_CMD_FLAG_STOP_PIPELINE_STATS
) {
1223 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1224 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP
) |
1230 si_emit_cache_flush(struct radv_cmd_buffer
*cmd_buffer
)
1232 bool is_compute
= cmd_buffer
->queue_family_index
== RADV_QUEUE_COMPUTE
;
1235 cmd_buffer
->state
.flush_bits
&= ~(RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
1236 RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
|
1237 RADV_CMD_FLAG_FLUSH_AND_INV_DB
|
1238 RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
|
1239 RADV_CMD_FLAG_PS_PARTIAL_FLUSH
|
1240 RADV_CMD_FLAG_VS_PARTIAL_FLUSH
|
1241 RADV_CMD_FLAG_VGT_FLUSH
|
1242 RADV_CMD_FLAG_START_PIPELINE_STATS
|
1243 RADV_CMD_FLAG_STOP_PIPELINE_STATS
);
1245 if (!cmd_buffer
->state
.flush_bits
)
1248 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 128);
1250 si_cs_emit_cache_flush(cmd_buffer
->cs
,
1251 cmd_buffer
->device
->physical_device
->rad_info
.chip_class
,
1252 &cmd_buffer
->gfx9_fence_idx
,
1253 cmd_buffer
->gfx9_fence_va
,
1254 radv_cmd_buffer_uses_mec(cmd_buffer
),
1255 cmd_buffer
->state
.flush_bits
,
1256 cmd_buffer
->gfx9_eop_bug_va
);
1259 if (unlikely(cmd_buffer
->device
->trace_bo
))
1260 radv_cmd_buffer_trace_emit(cmd_buffer
);
1262 /* Clear the caches that have been flushed to avoid syncing too much
1263 * when there is some pending active queries.
1265 cmd_buffer
->active_query_flush_bits
&= ~cmd_buffer
->state
.flush_bits
;
1267 cmd_buffer
->state
.flush_bits
= 0;
1269 /* If the driver used a compute shader for resetting a query pool, it
1270 * should be finished at this point.
1272 cmd_buffer
->pending_reset_query
= false;
1275 /* sets the CP predication state using a boolean stored at va */
1277 si_emit_set_predication_state(struct radv_cmd_buffer
*cmd_buffer
,
1278 bool draw_visible
, uint64_t va
)
1283 op
= PRED_OP(PREDICATION_OP_BOOL64
);
1285 /* PREDICATION_DRAW_VISIBLE means that if the 32-bit value is
1286 * zero, all rendering commands are discarded. Otherwise, they
1287 * are discarded if the value is non zero.
1289 op
|= draw_visible
? PREDICATION_DRAW_VISIBLE
:
1290 PREDICATION_DRAW_NOT_VISIBLE
;
1292 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
) {
1293 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 2, 0));
1294 radeon_emit(cmd_buffer
->cs
, op
);
1295 radeon_emit(cmd_buffer
->cs
, va
);
1296 radeon_emit(cmd_buffer
->cs
, va
>> 32);
1298 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 1, 0));
1299 radeon_emit(cmd_buffer
->cs
, va
);
1300 radeon_emit(cmd_buffer
->cs
, op
| ((va
>> 32) & 0xFF));
1304 /* Set this if you want the 3D engine to wait until CP DMA is done.
1305 * It should be set on the last CP DMA packet. */
1306 #define CP_DMA_SYNC (1 << 0)
1308 /* Set this if the source data was used as a destination in a previous CP DMA
1309 * packet. It's for preventing a read-after-write (RAW) hazard between two
1310 * CP DMA packets. */
1311 #define CP_DMA_RAW_WAIT (1 << 1)
1312 #define CP_DMA_USE_L2 (1 << 2)
1313 #define CP_DMA_CLEAR (1 << 3)
1315 /* Alignment for optimal performance. */
1316 #define SI_CPDMA_ALIGNMENT 32
1318 /* The max number of bytes that can be copied per packet. */
1319 static inline unsigned cp_dma_max_byte_count(struct radv_cmd_buffer
*cmd_buffer
)
1321 unsigned max
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
?
1322 S_414_BYTE_COUNT_GFX9(~0u) :
1323 S_414_BYTE_COUNT_GFX6(~0u);
1325 /* make it aligned for optimal performance */
1326 return max
& ~(SI_CPDMA_ALIGNMENT
- 1);
1329 /* Emit a CP DMA packet to do a copy from one buffer to another, or to clear
1330 * a buffer. The size must fit in bits [20:0]. If CP_DMA_CLEAR is set, src_va is a 32-bit
1333 static void si_emit_cp_dma(struct radv_cmd_buffer
*cmd_buffer
,
1334 uint64_t dst_va
, uint64_t src_va
,
1335 unsigned size
, unsigned flags
)
1337 struct radeon_cmdbuf
*cs
= cmd_buffer
->cs
;
1338 uint32_t header
= 0, command
= 0;
1340 assert(size
<= cp_dma_max_byte_count(cmd_buffer
));
1342 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 9);
1343 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1344 command
|= S_414_BYTE_COUNT_GFX9(size
);
1346 command
|= S_414_BYTE_COUNT_GFX6(size
);
1349 if (flags
& CP_DMA_SYNC
)
1350 header
|= S_411_CP_SYNC(1);
1352 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1353 command
|= S_414_DISABLE_WR_CONFIRM_GFX9(1);
1355 command
|= S_414_DISABLE_WR_CONFIRM_GFX6(1);
1358 if (flags
& CP_DMA_RAW_WAIT
)
1359 command
|= S_414_RAW_WAIT(1);
1361 /* Src and dst flags. */
1362 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
&&
1363 !(flags
& CP_DMA_CLEAR
) &&
1365 header
|= S_411_DST_SEL(V_411_NOWHERE
); /* prefetch only */
1366 else if (flags
& CP_DMA_USE_L2
)
1367 header
|= S_411_DST_SEL(V_411_DST_ADDR_TC_L2
);
1369 if (flags
& CP_DMA_CLEAR
)
1370 header
|= S_411_SRC_SEL(V_411_DATA
);
1371 else if (flags
& CP_DMA_USE_L2
)
1372 header
|= S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2
);
1374 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX7
) {
1375 radeon_emit(cs
, PKT3(PKT3_DMA_DATA
, 5, cmd_buffer
->state
.predicating
));
1376 radeon_emit(cs
, header
);
1377 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1378 radeon_emit(cs
, src_va
>> 32); /* SRC_ADDR_HI [31:0] */
1379 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1380 radeon_emit(cs
, dst_va
>> 32); /* DST_ADDR_HI [31:0] */
1381 radeon_emit(cs
, command
);
1383 assert(!(flags
& CP_DMA_USE_L2
));
1384 header
|= S_411_SRC_ADDR_HI(src_va
>> 32);
1385 radeon_emit(cs
, PKT3(PKT3_CP_DMA
, 4, cmd_buffer
->state
.predicating
));
1386 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1387 radeon_emit(cs
, header
); /* SRC_ADDR_HI [15:0] + flags. */
1388 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1389 radeon_emit(cs
, (dst_va
>> 32) & 0xffff); /* DST_ADDR_HI [15:0] */
1390 radeon_emit(cs
, command
);
1393 /* CP DMA is executed in ME, but index buffers are read by PFP.
1394 * This ensures that ME (CP DMA) is idle before PFP starts fetching
1395 * indices. If we wanted to execute CP DMA in PFP, this packet
1396 * should precede it.
1398 if (flags
& CP_DMA_SYNC
) {
1399 if (cmd_buffer
->queue_family_index
== RADV_QUEUE_GENERAL
) {
1400 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, cmd_buffer
->state
.predicating
));
1404 /* CP will see the sync flag and wait for all DMAs to complete. */
1405 cmd_buffer
->state
.dma_is_busy
= false;
1408 if (unlikely(cmd_buffer
->device
->trace_bo
))
1409 radv_cmd_buffer_trace_emit(cmd_buffer
);
1412 void si_cp_dma_prefetch(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1415 uint64_t aligned_va
= va
& ~(SI_CPDMA_ALIGNMENT
- 1);
1416 uint64_t aligned_size
= ((va
+ size
+ SI_CPDMA_ALIGNMENT
-1) & ~(SI_CPDMA_ALIGNMENT
- 1)) - aligned_va
;
1418 si_emit_cp_dma(cmd_buffer
, aligned_va
, aligned_va
,
1419 aligned_size
, CP_DMA_USE_L2
);
1422 static void si_cp_dma_prepare(struct radv_cmd_buffer
*cmd_buffer
, uint64_t byte_count
,
1423 uint64_t remaining_size
, unsigned *flags
)
1426 /* Flush the caches for the first copy only.
1427 * Also wait for the previous CP DMA operations.
1429 if (cmd_buffer
->state
.flush_bits
) {
1430 si_emit_cache_flush(cmd_buffer
);
1431 *flags
|= CP_DMA_RAW_WAIT
;
1434 /* Do the synchronization after the last dma, so that all data
1435 * is written to memory.
1437 if (byte_count
== remaining_size
)
1438 *flags
|= CP_DMA_SYNC
;
1441 static void si_cp_dma_realign_engine(struct radv_cmd_buffer
*cmd_buffer
, unsigned size
)
1445 unsigned dma_flags
= 0;
1446 unsigned buf_size
= SI_CPDMA_ALIGNMENT
* 2;
1449 assert(size
< SI_CPDMA_ALIGNMENT
);
1451 radv_cmd_buffer_upload_alloc(cmd_buffer
, buf_size
, SI_CPDMA_ALIGNMENT
, &offset
, &ptr
);
1453 va
= radv_buffer_get_va(cmd_buffer
->upload
.upload_bo
);
1456 si_cp_dma_prepare(cmd_buffer
, size
, size
, &dma_flags
);
1458 si_emit_cp_dma(cmd_buffer
, va
, va
+ SI_CPDMA_ALIGNMENT
, size
,
1462 void si_cp_dma_buffer_copy(struct radv_cmd_buffer
*cmd_buffer
,
1463 uint64_t src_va
, uint64_t dest_va
,
1466 uint64_t main_src_va
, main_dest_va
;
1467 uint64_t skipped_size
= 0, realign_size
= 0;
1469 /* Assume that we are not going to sync after the last DMA operation. */
1470 cmd_buffer
->state
.dma_is_busy
= true;
1472 if (cmd_buffer
->device
->physical_device
->rad_info
.family
<= CHIP_CARRIZO
||
1473 cmd_buffer
->device
->physical_device
->rad_info
.family
== CHIP_STONEY
) {
1474 /* If the size is not aligned, we must add a dummy copy at the end
1475 * just to align the internal counter. Otherwise, the DMA engine
1476 * would slow down by an order of magnitude for following copies.
1478 if (size
% SI_CPDMA_ALIGNMENT
)
1479 realign_size
= SI_CPDMA_ALIGNMENT
- (size
% SI_CPDMA_ALIGNMENT
);
1481 /* If the copy begins unaligned, we must start copying from the next
1482 * aligned block and the skipped part should be copied after everything
1483 * else has been copied. Only the src alignment matters, not dst.
1485 if (src_va
% SI_CPDMA_ALIGNMENT
) {
1486 skipped_size
= SI_CPDMA_ALIGNMENT
- (src_va
% SI_CPDMA_ALIGNMENT
);
1487 /* The main part will be skipped if the size is too small. */
1488 skipped_size
= MIN2(skipped_size
, size
);
1489 size
-= skipped_size
;
1492 main_src_va
= src_va
+ skipped_size
;
1493 main_dest_va
= dest_va
+ skipped_size
;
1496 unsigned dma_flags
= 0;
1497 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1499 si_cp_dma_prepare(cmd_buffer
, byte_count
,
1500 size
+ skipped_size
+ realign_size
,
1503 dma_flags
&= ~CP_DMA_SYNC
;
1505 si_emit_cp_dma(cmd_buffer
, main_dest_va
, main_src_va
,
1506 byte_count
, dma_flags
);
1509 main_src_va
+= byte_count
;
1510 main_dest_va
+= byte_count
;
1514 unsigned dma_flags
= 0;
1516 si_cp_dma_prepare(cmd_buffer
, skipped_size
,
1517 size
+ skipped_size
+ realign_size
,
1520 si_emit_cp_dma(cmd_buffer
, dest_va
, src_va
,
1521 skipped_size
, dma_flags
);
1524 si_cp_dma_realign_engine(cmd_buffer
, realign_size
);
1527 void si_cp_dma_clear_buffer(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1528 uint64_t size
, unsigned value
)
1534 assert(va
% 4 == 0 && size
% 4 == 0);
1536 /* Assume that we are not going to sync after the last DMA operation. */
1537 cmd_buffer
->state
.dma_is_busy
= true;
1540 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1541 unsigned dma_flags
= CP_DMA_CLEAR
;
1543 si_cp_dma_prepare(cmd_buffer
, byte_count
, size
, &dma_flags
);
1545 /* Emit the clear packet. */
1546 si_emit_cp_dma(cmd_buffer
, va
, value
, byte_count
,
1554 void si_cp_dma_wait_for_idle(struct radv_cmd_buffer
*cmd_buffer
)
1556 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
< GFX7
)
1559 if (!cmd_buffer
->state
.dma_is_busy
)
1562 /* Issue a dummy DMA that copies zero bytes.
1564 * The DMA engine will see that there's no work to do and skip this
1565 * DMA request, however, the CP will see the sync flag and still wait
1566 * for all DMAs to complete.
1568 si_emit_cp_dma(cmd_buffer
, 0, 0, 0, CP_DMA_SYNC
);
1570 cmd_buffer
->state
.dma_is_busy
= false;
1573 /* For MSAA sample positions. */
1574 #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \
1575 ((((unsigned)(s0x) & 0xf) << 0) | (((unsigned)(s0y) & 0xf) << 4) | \
1576 (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \
1577 (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \
1578 (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
1580 /* For obtaining location coordinates from registers */
1581 #define SEXT4(x) ((int)((x) | ((x) & 0x8 ? 0xfffffff0 : 0)))
1582 #define GET_SFIELD(reg, index) SEXT4(((reg) >> ((index) * 4)) & 0xf)
1583 #define GET_SX(reg, index) GET_SFIELD((reg)[(index) / 4], ((index) % 4) * 2)
1584 #define GET_SY(reg, index) GET_SFIELD((reg)[(index) / 4], ((index) % 4) * 2 + 1)
1587 static const uint32_t sample_locs_1x
=
1588 FILL_SREG(0, 0, 0, 0, 0, 0, 0, 0);
1589 static const unsigned max_dist_1x
= 0;
1590 static const uint64_t centroid_priority_1x
= 0x0000000000000000ull
;
1593 static const uint32_t sample_locs_2x
=
1594 FILL_SREG(4,4, -4, -4, 0, 0, 0, 0);
1595 static const unsigned max_dist_2x
= 4;
1596 static const uint64_t centroid_priority_2x
= 0x1010101010101010ull
;
1599 static const uint32_t sample_locs_4x
=
1600 FILL_SREG(-2,-6, 6, -2, -6, 2, 2, 6);
1601 static const unsigned max_dist_4x
= 6;
1602 static const uint64_t centroid_priority_4x
= 0x3210321032103210ull
;
1605 static const uint32_t sample_locs_8x
[] = {
1606 FILL_SREG( 1,-3, -1, 3, 5, 1, -3,-5),
1607 FILL_SREG(-5, 5, -7,-1, 3, 7, 7,-7),
1608 /* The following are unused by hardware, but we emit them to IBs
1609 * instead of multiple SET_CONTEXT_REG packets. */
1613 static const unsigned max_dist_8x
= 7;
1614 static const uint64_t centroid_priority_8x
= 0x7654321076543210ull
;
1616 unsigned radv_get_default_max_sample_dist(int log_samples
)
1618 unsigned max_dist
[] = {
1624 return max_dist
[log_samples
];
1627 void radv_emit_default_sample_locations(struct radeon_cmdbuf
*cs
, int nr_samples
)
1629 switch (nr_samples
) {
1632 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1633 radeon_emit(cs
, (uint32_t)centroid_priority_1x
);
1634 radeon_emit(cs
, centroid_priority_1x
>> 32);
1635 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_1x
);
1636 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_1x
);
1637 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_1x
);
1638 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_1x
);
1641 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1642 radeon_emit(cs
, (uint32_t)centroid_priority_2x
);
1643 radeon_emit(cs
, centroid_priority_2x
>> 32);
1644 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_2x
);
1645 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_2x
);
1646 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_2x
);
1647 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_2x
);
1650 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1651 radeon_emit(cs
, (uint32_t)centroid_priority_4x
);
1652 radeon_emit(cs
, centroid_priority_4x
>> 32);
1653 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_4x
);
1654 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_4x
);
1655 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_4x
);
1656 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_4x
);
1659 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1660 radeon_emit(cs
, (uint32_t)centroid_priority_8x
);
1661 radeon_emit(cs
, centroid_priority_8x
>> 32);
1662 radeon_set_context_reg_seq(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, 14);
1663 radeon_emit_array(cs
, sample_locs_8x
, 4);
1664 radeon_emit_array(cs
, sample_locs_8x
, 4);
1665 radeon_emit_array(cs
, sample_locs_8x
, 4);
1666 radeon_emit_array(cs
, sample_locs_8x
, 2);
1671 static void radv_get_sample_position(struct radv_device
*device
,
1672 unsigned sample_count
,
1673 unsigned sample_index
, float *out_value
)
1675 const uint32_t *sample_locs
;
1677 switch (sample_count
) {
1680 sample_locs
= &sample_locs_1x
;
1683 sample_locs
= &sample_locs_2x
;
1686 sample_locs
= &sample_locs_4x
;
1689 sample_locs
= sample_locs_8x
;
1693 out_value
[0] = (GET_SX(sample_locs
, sample_index
) + 8) / 16.0f
;
1694 out_value
[1] = (GET_SY(sample_locs
, sample_index
) + 8) / 16.0f
;
1697 void radv_device_init_msaa(struct radv_device
*device
)
1701 radv_get_sample_position(device
, 1, 0, device
->sample_locations_1x
[0]);
1703 for (i
= 0; i
< 2; i
++)
1704 radv_get_sample_position(device
, 2, i
, device
->sample_locations_2x
[i
]);
1705 for (i
= 0; i
< 4; i
++)
1706 radv_get_sample_position(device
, 4, i
, device
->sample_locations_4x
[i
]);
1707 for (i
= 0; i
< 8; i
++)
1708 radv_get_sample_position(device
, 8, i
, device
->sample_locations_8x
[i
]);