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
|| !physical_device
->has_clear_state
) {
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_idx(physical_device
, cs
, R_00B404_SPI_SHADER_PGM_RSRC4_HS
,
266 3, S_00B404_CU_EN(0xffff));
267 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B104_SPI_SHADER_PGM_RSRC4_VS
,
268 3, S_00B104_CU_EN(0xffff));
269 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B004_SPI_SHADER_PGM_RSRC4_PS
,
270 3, S_00B004_CU_EN(0xffff));
273 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
274 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B41C_SPI_SHADER_PGM_RSRC3_HS
,
275 3, 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 late_alloc_limit_gs
= late_alloc_limit
;
315 unsigned cu_mask_vs
= 0xffff;
316 unsigned cu_mask_gs
= 0xffff;
318 if (late_alloc_limit
> 2) {
319 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
320 /* CU2 & CU3 disabled because of the dual CU design */
322 cu_mask_gs
= 0xfff3; /* NGG only */
324 cu_mask_vs
= 0xfffe; /* 1 CU disabled */
328 /* Don't use late alloc for NGG on Navi14 due to a hw bug. */
329 if (physical_device
->rad_info
.family
== CHIP_NAVI14
) {
330 late_alloc_limit_gs
= 0;
334 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B118_SPI_SHADER_PGM_RSRC3_VS
,
335 3, S_00B118_CU_EN(cu_mask_vs
) |
336 S_00B118_WAVE_LIMIT(0x3F));
337 radeon_set_sh_reg(cs
, R_00B11C_SPI_SHADER_LATE_ALLOC_VS
,
338 S_00B11C_LIMIT(late_alloc_limit
));
340 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B21C_SPI_SHADER_PGM_RSRC3_GS
,
341 3, S_00B21C_CU_EN(cu_mask_gs
) | S_00B21C_WAVE_LIMIT(0x3F));
343 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
344 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B204_SPI_SHADER_PGM_RSRC4_GS
,
345 3, S_00B204_CU_EN(0xffff) |
346 S_00B204_SPI_SHADER_LATE_ALLOC_GS_GFX10(late_alloc_limit_gs
));
349 radeon_set_sh_reg_idx(physical_device
, cs
, R_00B01C_SPI_SHADER_PGM_RSRC3_PS
,
350 3, S_00B01C_CU_EN(0xffff) | S_00B01C_WAVE_LIMIT(0x3F));
353 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
354 /* Break up a pixel wave if it contains deallocs for more than
355 * half the parameter cache.
357 * To avoid a deadlock where pixel waves aren't launched
358 * because they're waiting for more pixels while the frontend
359 * is stuck waiting for PC space, the maximum allowed value is
360 * the size of the PC minus the largest possible allocation for
361 * a single primitive shader subgroup.
363 radeon_set_context_reg(cs
, R_028C50_PA_SC_NGG_MODE_CNTL
,
364 S_028C50_MAX_DEALLOCS_IN_WAVE(512));
365 radeon_set_context_reg(cs
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
366 radeon_set_context_reg(cs
, R_02835C_PA_SC_TILE_STEERING_OVERRIDE
,
367 physical_device
->rad_info
.pa_sc_tile_steering_override
);
368 radeon_set_context_reg(cs
, R_02807C_DB_RMI_L2_CACHE_CONTROL
,
369 S_02807C_Z_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
370 S_02807C_S_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
371 S_02807C_HTILE_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
372 S_02807C_ZPCPSD_WR_POLICY(V_02807C_CACHE_STREAM_WR
) |
373 S_02807C_Z_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
374 S_02807C_S_RD_POLICY(V_02807C_CACHE_NOA_RD
) |
375 S_02807C_HTILE_RD_POLICY(V_02807C_CACHE_NOA_RD
));
377 radeon_set_context_reg(cs
, R_028410_CB_RMI_GL2_CACHE_CONTROL
,
378 S_028410_CMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
379 S_028410_FMASK_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
380 S_028410_DCC_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
381 S_028410_COLOR_WR_POLICY(V_028410_CACHE_STREAM_WR
) |
382 S_028410_CMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
383 S_028410_FMASK_RD_POLICY(V_028410_CACHE_NOA_RD
) |
384 S_028410_DCC_RD_POLICY(V_028410_CACHE_NOA_RD
) |
385 S_028410_COLOR_RD_POLICY(V_028410_CACHE_NOA_RD
));
386 radeon_set_context_reg(cs
, R_028428_CB_COVERAGE_OUT_CONTROL
, 0);
388 radeon_set_sh_reg(cs
, R_00B0C0_SPI_SHADER_REQ_CTRL_PS
,
389 S_00B0C0_SOFT_GROUPING_EN(1) |
390 S_00B0C0_NUMBER_OF_REQUESTS_PER_CU(4 - 1));
391 radeon_set_sh_reg(cs
, R_00B1C0_SPI_SHADER_REQ_CTRL_VS
, 0);
393 if (physical_device
->rad_info
.family
== CHIP_NAVI10
||
394 physical_device
->rad_info
.family
== CHIP_NAVI12
||
395 physical_device
->rad_info
.family
== CHIP_NAVI14
) {
396 /* SQ_NON_EVENT must be emitted before GE_PC_ALLOC is written. */
397 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
398 radeon_emit(cs
, EVENT_TYPE(V_028A90_SQ_NON_EVENT
) | EVENT_INDEX(0));
401 /* TODO: For culling, replace 128 with 256. */
402 radeon_set_uconfig_reg(cs
, R_030980_GE_PC_ALLOC
,
403 S_030980_OVERSUB_EN(1) |
404 S_030980_NUM_PC_LINES(128 * physical_device
->rad_info
.max_se
- 1));
407 if (physical_device
->rad_info
.chip_class
>= GFX8
) {
408 uint32_t vgt_tess_distribution
;
410 vgt_tess_distribution
= S_028B50_ACCUM_ISOLINE(32) |
411 S_028B50_ACCUM_TRI(11) |
412 S_028B50_ACCUM_QUAD(11) |
413 S_028B50_DONUT_SPLIT(16);
415 if (physical_device
->rad_info
.family
== CHIP_FIJI
||
416 physical_device
->rad_info
.family
>= CHIP_POLARIS10
)
417 vgt_tess_distribution
|= S_028B50_TRAP_SPLIT(3);
419 radeon_set_context_reg(cs
, R_028B50_VGT_TESS_DISTRIBUTION
,
420 vgt_tess_distribution
);
421 } else if (!physical_device
->has_clear_state
) {
422 radeon_set_context_reg(cs
, R_028C58_VGT_VERTEX_REUSE_BLOCK_CNTL
, 14);
423 radeon_set_context_reg(cs
, R_028C5C_VGT_OUT_DEALLOC_CNTL
, 16);
426 if (physical_device
->rad_info
.chip_class
>= GFX9
) {
427 unsigned num_se
= physical_device
->rad_info
.max_se
;
428 unsigned pc_lines
= 0;
429 unsigned max_alloc_count
= 0;
431 switch (physical_device
->rad_info
.family
) {
450 if (physical_device
->rad_info
.chip_class
>= GFX10
) {
451 max_alloc_count
= pc_lines
/ 3;
453 max_alloc_count
= MIN2(128, pc_lines
/ (4 * num_se
));
456 radeon_set_context_reg(cs
, R_028C48_PA_SC_BINNER_CNTL_1
,
457 S_028C48_MAX_ALLOC_COUNT(max_alloc_count
) |
458 S_028C48_MAX_PRIM_PER_BATCH(1023));
459 radeon_set_context_reg(cs
, R_028C4C_PA_SC_CONSERVATIVE_RASTERIZATION_CNTL
,
460 S_028C4C_NULL_SQUAD_AA_MASK_ENABLE(1));
461 radeon_set_uconfig_reg(cs
, R_030968_VGT_INSTANCE_BASE_ID
, 0);
464 unsigned tmp
= (unsigned)(1.0 * 8.0);
465 radeon_set_context_reg_seq(cs
, R_028A00_PA_SU_POINT_SIZE
, 1);
466 radeon_emit(cs
, S_028A00_HEIGHT(tmp
) | S_028A00_WIDTH(tmp
));
467 radeon_set_context_reg_seq(cs
, R_028A04_PA_SU_POINT_MINMAX
, 1);
468 radeon_emit(cs
, S_028A04_MIN_SIZE(radv_pack_float_12p4(0)) |
469 S_028A04_MAX_SIZE(radv_pack_float_12p4(8192/2)));
471 if (!physical_device
->has_clear_state
) {
472 radeon_set_context_reg(cs
, R_028004_DB_COUNT_CONTROL
,
473 S_028004_ZPASS_INCREMENT_DISABLE(1));
476 /* Enable the Polaris small primitive filter control.
477 * XXX: There is possibly an issue when MSAA is off (see RadeonSI
478 * has_msaa_sample_loc_bug). But this doesn't seem to regress anything,
479 * and AMDVLK doesn't have a workaround as well.
481 if (physical_device
->rad_info
.family
>= CHIP_POLARIS10
) {
482 unsigned small_prim_filter_cntl
=
483 S_028830_SMALL_PRIM_FILTER_ENABLE(1) |
484 /* Workaround for a hw line bug. */
485 S_028830_LINE_FILTER_DISABLE(physical_device
->rad_info
.family
<= CHIP_POLARIS12
);
487 radeon_set_context_reg(cs
, R_028830_PA_SU_SMALL_PRIM_FILTER_CNTL
,
488 small_prim_filter_cntl
);
491 si_emit_compute(physical_device
, cs
);
495 cik_create_gfx_config(struct radv_device
*device
)
497 struct radeon_cmdbuf
*cs
= device
->ws
->cs_create(device
->ws
, RING_GFX
);
501 si_emit_graphics(device
->physical_device
, cs
);
503 while (cs
->cdw
& 7) {
504 if (device
->physical_device
->rad_info
.gfx_ib_pad_with_type2
)
505 radeon_emit(cs
, 0x80000000);
507 radeon_emit(cs
, 0xffff1000);
510 device
->gfx_init
= device
->ws
->buffer_create(device
->ws
,
513 RADEON_FLAG_CPU_ACCESS
|
514 RADEON_FLAG_NO_INTERPROCESS_SHARING
|
515 RADEON_FLAG_READ_ONLY
,
516 RADV_BO_PRIORITY_CS
);
517 if (!device
->gfx_init
)
520 void *map
= device
->ws
->buffer_map(device
->gfx_init
);
522 device
->ws
->buffer_destroy(device
->gfx_init
);
523 device
->gfx_init
= NULL
;
526 memcpy(map
, cs
->buf
, cs
->cdw
* 4);
528 device
->ws
->buffer_unmap(device
->gfx_init
);
529 device
->gfx_init_size_dw
= cs
->cdw
;
531 device
->ws
->cs_destroy(cs
);
535 get_viewport_xform(const VkViewport
*viewport
,
536 float scale
[3], float translate
[3])
538 float x
= viewport
->x
;
539 float y
= viewport
->y
;
540 float half_width
= 0.5f
* viewport
->width
;
541 float half_height
= 0.5f
* viewport
->height
;
542 double n
= viewport
->minDepth
;
543 double f
= viewport
->maxDepth
;
545 scale
[0] = half_width
;
546 translate
[0] = half_width
+ x
;
547 scale
[1] = half_height
;
548 translate
[1] = half_height
+ y
;
555 si_write_viewport(struct radeon_cmdbuf
*cs
, int first_vp
,
556 int count
, const VkViewport
*viewports
)
561 radeon_set_context_reg_seq(cs
, R_02843C_PA_CL_VPORT_XSCALE
+
562 first_vp
* 4 * 6, count
* 6);
564 for (i
= 0; i
< count
; i
++) {
565 float scale
[3], translate
[3];
568 get_viewport_xform(&viewports
[i
], scale
, translate
);
569 radeon_emit(cs
, fui(scale
[0]));
570 radeon_emit(cs
, fui(translate
[0]));
571 radeon_emit(cs
, fui(scale
[1]));
572 radeon_emit(cs
, fui(translate
[1]));
573 radeon_emit(cs
, fui(scale
[2]));
574 radeon_emit(cs
, fui(translate
[2]));
577 radeon_set_context_reg_seq(cs
, R_0282D0_PA_SC_VPORT_ZMIN_0
+
578 first_vp
* 4 * 2, count
* 2);
579 for (i
= 0; i
< count
; i
++) {
580 float zmin
= MIN2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
581 float zmax
= MAX2(viewports
[i
].minDepth
, viewports
[i
].maxDepth
);
582 radeon_emit(cs
, fui(zmin
));
583 radeon_emit(cs
, fui(zmax
));
587 static VkRect2D
si_scissor_from_viewport(const VkViewport
*viewport
)
589 float scale
[3], translate
[3];
592 get_viewport_xform(viewport
, scale
, translate
);
594 rect
.offset
.x
= translate
[0] - fabs(scale
[0]);
595 rect
.offset
.y
= translate
[1] - fabs(scale
[1]);
596 rect
.extent
.width
= ceilf(translate
[0] + fabs(scale
[0])) - rect
.offset
.x
;
597 rect
.extent
.height
= ceilf(translate
[1] + fabs(scale
[1])) - rect
.offset
.y
;
602 static VkRect2D
si_intersect_scissor(const VkRect2D
*a
, const VkRect2D
*b
) {
604 ret
.offset
.x
= MAX2(a
->offset
.x
, b
->offset
.x
);
605 ret
.offset
.y
= MAX2(a
->offset
.y
, b
->offset
.y
);
606 ret
.extent
.width
= MIN2(a
->offset
.x
+ a
->extent
.width
,
607 b
->offset
.x
+ b
->extent
.width
) - ret
.offset
.x
;
608 ret
.extent
.height
= MIN2(a
->offset
.y
+ a
->extent
.height
,
609 b
->offset
.y
+ b
->extent
.height
) - ret
.offset
.y
;
614 si_write_scissors(struct radeon_cmdbuf
*cs
, int first
,
615 int count
, const VkRect2D
*scissors
,
616 const VkViewport
*viewports
, bool can_use_guardband
)
619 float scale
[3], translate
[3], guardband_x
= INFINITY
, guardband_y
= INFINITY
;
620 const float max_range
= 32767.0f
;
624 radeon_set_context_reg_seq(cs
, R_028250_PA_SC_VPORT_SCISSOR_0_TL
+ first
* 4 * 2, count
* 2);
625 for (i
= 0; i
< count
; i
++) {
626 VkRect2D viewport_scissor
= si_scissor_from_viewport(viewports
+ i
);
627 VkRect2D scissor
= si_intersect_scissor(&scissors
[i
], &viewport_scissor
);
629 get_viewport_xform(viewports
+ i
, scale
, translate
);
630 scale
[0] = fabsf(scale
[0]);
631 scale
[1] = fabsf(scale
[1]);
638 guardband_x
= MIN2(guardband_x
, (max_range
- fabsf(translate
[0])) / scale
[0]);
639 guardband_y
= MIN2(guardband_y
, (max_range
- fabsf(translate
[1])) / scale
[1]);
641 radeon_emit(cs
, S_028250_TL_X(scissor
.offset
.x
) |
642 S_028250_TL_Y(scissor
.offset
.y
) |
643 S_028250_WINDOW_OFFSET_DISABLE(1));
644 radeon_emit(cs
, S_028254_BR_X(scissor
.offset
.x
+ scissor
.extent
.width
) |
645 S_028254_BR_Y(scissor
.offset
.y
+ scissor
.extent
.height
));
647 if (!can_use_guardband
) {
652 radeon_set_context_reg_seq(cs
, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ
, 4);
653 radeon_emit(cs
, fui(guardband_y
));
654 radeon_emit(cs
, fui(1.0));
655 radeon_emit(cs
, fui(guardband_x
));
656 radeon_emit(cs
, fui(1.0));
659 static inline unsigned
660 radv_prims_for_vertices(struct radv_prim_vertex_count
*info
, unsigned num
)
671 return 1 + ((num
- info
->min
) / info
->incr
);
675 si_get_ia_multi_vgt_param(struct radv_cmd_buffer
*cmd_buffer
,
676 bool instanced_draw
, bool indirect_draw
,
677 bool count_from_stream_output
,
678 uint32_t draw_vertex_count
)
680 enum chip_class chip_class
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
;
681 enum radeon_family family
= cmd_buffer
->device
->physical_device
->rad_info
.family
;
682 struct radeon_info
*info
= &cmd_buffer
->device
->physical_device
->rad_info
;
683 const unsigned max_primgroup_in_wave
= 2;
684 /* SWITCH_ON_EOP(0) is always preferable. */
685 bool wd_switch_on_eop
= false;
686 bool ia_switch_on_eop
= false;
687 bool ia_switch_on_eoi
= false;
688 bool partial_vs_wave
= false;
689 bool partial_es_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_es_wave
;
690 bool multi_instances_smaller_than_primgroup
;
692 multi_instances_smaller_than_primgroup
= indirect_draw
;
693 if (!multi_instances_smaller_than_primgroup
&& instanced_draw
) {
694 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
695 if (num_prims
< cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.primgroup_size
)
696 multi_instances_smaller_than_primgroup
= true;
699 ia_switch_on_eoi
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.ia_switch_on_eoi
;
700 partial_vs_wave
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.partial_vs_wave
;
702 if (chip_class
>= GFX7
) {
703 wd_switch_on_eop
= cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.wd_switch_on_eop
;
705 /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
706 * We don't know that for indirect drawing, so treat it as
707 * always problematic. */
708 if (family
== CHIP_HAWAII
&&
709 (instanced_draw
|| indirect_draw
))
710 wd_switch_on_eop
= true;
712 /* Performance recommendation for 4 SE Gfx7-8 parts if
713 * instances are smaller than a primgroup.
714 * Assume indirect draws always use small instances.
715 * This is needed for good VS wave utilization.
717 if (chip_class
<= GFX8
&&
719 multi_instances_smaller_than_primgroup
)
720 wd_switch_on_eop
= true;
722 /* Required on GFX7 and later. */
723 if (info
->max_se
> 2 && !wd_switch_on_eop
)
724 ia_switch_on_eoi
= true;
726 /* Required by Hawaii and, for some special cases, by GFX8. */
727 if (ia_switch_on_eoi
&&
728 (family
== CHIP_HAWAII
||
729 (chip_class
== GFX8
&&
730 /* max primgroup in wave is always 2 - leave this for documentation */
731 (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
) || max_primgroup_in_wave
!= 2))))
732 partial_vs_wave
= true;
734 /* Instancing bug on Bonaire. */
735 if (family
== CHIP_BONAIRE
&& ia_switch_on_eoi
&&
736 (instanced_draw
|| indirect_draw
))
737 partial_vs_wave
= true;
739 /* Hardware requirement when drawing primitives from a stream
742 if (count_from_stream_output
)
743 wd_switch_on_eop
= true;
745 /* If the WD switch is false, the IA switch must be false too. */
746 assert(wd_switch_on_eop
|| !ia_switch_on_eop
);
748 /* If SWITCH_ON_EOI is set, PARTIAL_ES_WAVE must be set too. */
749 if (chip_class
<= GFX8
&& ia_switch_on_eoi
)
750 partial_es_wave
= true;
752 if (radv_pipeline_has_gs(cmd_buffer
->state
.pipeline
)) {
753 /* GS hw bug with single-primitive instances and SWITCH_ON_EOI.
754 * The hw doc says all multi-SE chips are affected, but amdgpu-pro Vulkan
755 * only applies it to Hawaii. Do what amdgpu-pro Vulkan does.
757 if (family
== CHIP_HAWAII
&& ia_switch_on_eoi
) {
758 bool set_vgt_flush
= indirect_draw
;
759 if (!set_vgt_flush
&& instanced_draw
) {
760 uint32_t num_prims
= radv_prims_for_vertices(&cmd_buffer
->state
.pipeline
->graphics
.prim_vertex_count
, draw_vertex_count
);
762 set_vgt_flush
= true;
765 cmd_buffer
->state
.flush_bits
|= RADV_CMD_FLAG_VGT_FLUSH
;
769 return cmd_buffer
->state
.pipeline
->graphics
.ia_multi_vgt_param
.base
|
770 S_028AA8_SWITCH_ON_EOP(ia_switch_on_eop
) |
771 S_028AA8_SWITCH_ON_EOI(ia_switch_on_eoi
) |
772 S_028AA8_PARTIAL_VS_WAVE_ON(partial_vs_wave
) |
773 S_028AA8_PARTIAL_ES_WAVE_ON(partial_es_wave
) |
774 S_028AA8_WD_SWITCH_ON_EOP(chip_class
>= GFX7
? wd_switch_on_eop
: 0);
778 void si_cs_emit_write_event_eop(struct radeon_cmdbuf
*cs
,
779 enum chip_class chip_class
,
781 unsigned event
, unsigned event_flags
,
782 unsigned dst_sel
, unsigned data_sel
,
785 uint64_t gfx9_eop_bug_va
)
787 unsigned op
= EVENT_TYPE(event
) |
788 EVENT_INDEX(event
== V_028A90_CS_DONE
||
789 event
== V_028A90_PS_DONE
? 6 : 5) |
791 unsigned is_gfx8_mec
= is_mec
&& chip_class
< GFX9
;
792 unsigned sel
= EOP_DST_SEL(dst_sel
) |
793 EOP_DATA_SEL(data_sel
);
795 /* Wait for write confirmation before writing data, but don't send
797 if (data_sel
!= EOP_DATA_SEL_DISCARD
)
798 sel
|= EOP_INT_SEL(EOP_INT_SEL_SEND_DATA_AFTER_WR_CONFIRM
);
800 if (chip_class
>= GFX9
|| is_gfx8_mec
) {
801 /* A ZPASS_DONE or PIXEL_STAT_DUMP_EVENT (of the DB occlusion
802 * counters) must immediately precede every timestamp event to
803 * prevent a GPU hang on GFX9.
805 if (chip_class
== GFX9
&& !is_mec
) {
806 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 2, 0));
807 radeon_emit(cs
, EVENT_TYPE(EVENT_TYPE_ZPASS_DONE
) | EVENT_INDEX(1));
808 radeon_emit(cs
, gfx9_eop_bug_va
);
809 radeon_emit(cs
, gfx9_eop_bug_va
>> 32);
812 radeon_emit(cs
, PKT3(PKT3_RELEASE_MEM
, is_gfx8_mec
? 5 : 6, false));
814 radeon_emit(cs
, sel
);
815 radeon_emit(cs
, va
); /* address lo */
816 radeon_emit(cs
, va
>> 32); /* address hi */
817 radeon_emit(cs
, new_fence
); /* immediate data lo */
818 radeon_emit(cs
, 0); /* immediate data hi */
820 radeon_emit(cs
, 0); /* unused */
822 if (chip_class
== GFX7
||
823 chip_class
== GFX8
) {
824 /* Two EOP events are required to make all engines go idle
825 * (and optional cache flushes executed) before the timestamp
828 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
831 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
832 radeon_emit(cs
, 0); /* immediate data */
833 radeon_emit(cs
, 0); /* unused */
836 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE_EOP
, 4, false));
839 radeon_emit(cs
, ((va
>> 32) & 0xffff) | sel
);
840 radeon_emit(cs
, new_fence
); /* immediate data */
841 radeon_emit(cs
, 0); /* unused */
846 radv_cp_wait_mem(struct radeon_cmdbuf
*cs
, uint32_t op
, uint64_t va
,
847 uint32_t ref
, uint32_t mask
)
849 assert(op
== WAIT_REG_MEM_EQUAL
||
850 op
== WAIT_REG_MEM_NOT_EQUAL
||
851 op
== WAIT_REG_MEM_GREATER_OR_EQUAL
);
853 radeon_emit(cs
, PKT3(PKT3_WAIT_REG_MEM
, 5, false));
854 radeon_emit(cs
, op
| WAIT_REG_MEM_MEM_SPACE(1));
856 radeon_emit(cs
, va
>> 32);
857 radeon_emit(cs
, ref
); /* reference value */
858 radeon_emit(cs
, mask
); /* mask */
859 radeon_emit(cs
, 4); /* poll interval */
863 si_emit_acquire_mem(struct radeon_cmdbuf
*cs
,
866 unsigned cp_coher_cntl
)
868 if (is_mec
|| is_gfx9
) {
869 uint32_t hi_val
= is_gfx9
? 0xffffff : 0xff;
870 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 5, false) |
871 PKT3_SHADER_TYPE_S(is_mec
));
872 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
873 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
874 radeon_emit(cs
, hi_val
); /* CP_COHER_SIZE_HI */
875 radeon_emit(cs
, 0); /* CP_COHER_BASE */
876 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
877 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
879 /* ACQUIRE_MEM is only required on a compute ring. */
880 radeon_emit(cs
, PKT3(PKT3_SURFACE_SYNC
, 3, false));
881 radeon_emit(cs
, cp_coher_cntl
); /* CP_COHER_CNTL */
882 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
883 radeon_emit(cs
, 0); /* CP_COHER_BASE */
884 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
889 gfx10_cs_emit_cache_flush(struct radeon_cmdbuf
*cs
,
890 enum chip_class chip_class
,
894 enum radv_cmd_flush_bits flush_bits
,
895 uint64_t gfx9_eop_bug_va
)
897 uint32_t gcr_cntl
= 0;
898 unsigned cb_db_event
= 0;
900 /* We don't need these. */
901 assert(!(flush_bits
& (RADV_CMD_FLAG_VGT_STREAMOUT_SYNC
)));
903 if (flush_bits
& RADV_CMD_FLAG_INV_ICACHE
)
904 gcr_cntl
|= S_586_GLI_INV(V_586_GLI_ALL
);
905 if (flush_bits
& RADV_CMD_FLAG_INV_SCACHE
) {
906 /* TODO: When writing to the SMEM L1 cache, we need to set SEQ
907 * to FORWARD when both L1 and L2 are written out (WB or INV).
909 gcr_cntl
|= S_586_GL1_INV(1) | S_586_GLK_INV(1);
911 if (flush_bits
& RADV_CMD_FLAG_INV_VCACHE
)
912 gcr_cntl
|= S_586_GL1_INV(1) | S_586_GLV_INV(1);
913 if (flush_bits
& RADV_CMD_FLAG_INV_L2
) {
914 /* Writeback and invalidate everything in L2. */
915 gcr_cntl
|= S_586_GL2_INV(1) | S_586_GLM_INV(1);
916 } else if (flush_bits
& RADV_CMD_FLAG_WB_L2
) {
917 /* Writeback but do not invalidate. */
918 gcr_cntl
|= S_586_GL2_WB(1);
921 /* TODO: Implement this new flag for GFX9+.
922 if (flush_bits & RADV_CMD_FLAG_INV_L2_METADATA)
923 gcr_cntl |= S_586_GLM_INV(1);
926 if (flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) {
927 /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_CB_META */
928 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
929 /* Flush CMASK/FMASK/DCC. Will wait for idle later. */
930 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
931 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) |
935 /* TODO: trigger on RADV_CMD_FLAG_FLUSH_AND_INV_DB_META ? */
936 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
937 /* Flush HTILE. Will wait for idle later. */
938 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
939 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) |
943 /* First flush CB/DB, then L1/L2. */
944 gcr_cntl
|= S_586_SEQ(V_586_SEQ_FORWARD
);
946 if ((flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) ==
947 (RADV_CMD_FLAG_FLUSH_AND_INV_CB
| RADV_CMD_FLAG_FLUSH_AND_INV_DB
)) {
948 cb_db_event
= V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT
;
949 } else if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
950 cb_db_event
= V_028A90_FLUSH_AND_INV_CB_DATA_TS
;
951 } else if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
952 cb_db_event
= V_028A90_FLUSH_AND_INV_DB_DATA_TS
;
957 /* Wait for graphics shaders to go idle if requested. */
958 if (flush_bits
& RADV_CMD_FLAG_PS_PARTIAL_FLUSH
) {
959 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
960 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
961 } else if (flush_bits
& RADV_CMD_FLAG_VS_PARTIAL_FLUSH
) {
962 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
963 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
967 if (flush_bits
& RADV_CMD_FLAG_CS_PARTIAL_FLUSH
) {
968 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
969 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
| EVENT_INDEX(4)));
973 /* CB/DB flush and invalidate (or possibly just a wait for a
974 * meta flush) via RELEASE_MEM.
976 * Combine this with other cache flushes when possible; this
977 * requires affected shaders to be idle, so do it after the
978 * CS_PARTIAL_FLUSH before (VS/PS partial flushes are always
981 /* Get GCR_CNTL fields, because the encoding is different in RELEASE_MEM. */
982 unsigned glm_wb
= G_586_GLM_WB(gcr_cntl
);
983 unsigned glm_inv
= G_586_GLM_INV(gcr_cntl
);
984 unsigned glv_inv
= G_586_GLV_INV(gcr_cntl
);
985 unsigned gl1_inv
= G_586_GL1_INV(gcr_cntl
);
986 assert(G_586_GL2_US(gcr_cntl
) == 0);
987 assert(G_586_GL2_RANGE(gcr_cntl
) == 0);
988 assert(G_586_GL2_DISCARD(gcr_cntl
) == 0);
989 unsigned gl2_inv
= G_586_GL2_INV(gcr_cntl
);
990 unsigned gl2_wb
= G_586_GL2_WB(gcr_cntl
);
991 unsigned gcr_seq
= G_586_SEQ(gcr_cntl
);
993 gcr_cntl
&= C_586_GLM_WB
&
998 C_586_GL2_WB
; /* keep SEQ */
1003 si_cs_emit_write_event_eop(cs
, chip_class
, false, cb_db_event
,
1004 S_490_GLM_WB(glm_wb
) |
1005 S_490_GLM_INV(glm_inv
) |
1006 S_490_GLV_INV(glv_inv
) |
1007 S_490_GL1_INV(gl1_inv
) |
1008 S_490_GL2_INV(gl2_inv
) |
1009 S_490_GL2_WB(gl2_wb
) |
1012 EOP_DATA_SEL_VALUE_32BIT
,
1013 flush_va
, *flush_cnt
,
1016 radv_cp_wait_mem(cs
, WAIT_REG_MEM_EQUAL
, flush_va
,
1017 *flush_cnt
, 0xffffffff);
1020 /* VGT state sync */
1021 if (flush_bits
& RADV_CMD_FLAG_VGT_FLUSH
) {
1022 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1023 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
1026 /* Ignore fields that only modify the behavior of other fields. */
1027 if (gcr_cntl
& C_586_GL1_RANGE
& C_586_GL2_RANGE
& C_586_SEQ
) {
1028 /* Flush caches and wait for the caches to assert idle.
1029 * The cache flush is executed in the ME, but the PFP waits
1032 radeon_emit(cs
, PKT3(PKT3_ACQUIRE_MEM
, 6, 0));
1033 radeon_emit(cs
, 0); /* CP_COHER_CNTL */
1034 radeon_emit(cs
, 0xffffffff); /* CP_COHER_SIZE */
1035 radeon_emit(cs
, 0xffffff); /* CP_COHER_SIZE_HI */
1036 radeon_emit(cs
, 0); /* CP_COHER_BASE */
1037 radeon_emit(cs
, 0); /* CP_COHER_BASE_HI */
1038 radeon_emit(cs
, 0x0000000A); /* POLL_INTERVAL */
1039 radeon_emit(cs
, gcr_cntl
); /* GCR_CNTL */
1040 } else if ((cb_db_event
||
1041 (flush_bits
& (RADV_CMD_FLAG_VS_PARTIAL_FLUSH
|
1042 RADV_CMD_FLAG_PS_PARTIAL_FLUSH
|
1043 RADV_CMD_FLAG_CS_PARTIAL_FLUSH
)))
1045 /* We need to ensure that PFP waits as well. */
1046 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
1050 if (flush_bits
& RADV_CMD_FLAG_START_PIPELINE_STATS
) {
1051 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1052 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_START
) |
1054 } else if (flush_bits
& RADV_CMD_FLAG_STOP_PIPELINE_STATS
) {
1055 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1056 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP
) |
1062 si_cs_emit_cache_flush(struct radeon_cmdbuf
*cs
,
1063 enum chip_class chip_class
,
1064 uint32_t *flush_cnt
,
1067 enum radv_cmd_flush_bits flush_bits
,
1068 uint64_t gfx9_eop_bug_va
)
1070 unsigned cp_coher_cntl
= 0;
1071 uint32_t flush_cb_db
= flush_bits
& (RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
1072 RADV_CMD_FLAG_FLUSH_AND_INV_DB
);
1074 if (chip_class
>= GFX10
) {
1075 /* GFX10 cache flush handling is quite different. */
1076 gfx10_cs_emit_cache_flush(cs
, chip_class
, flush_cnt
, flush_va
,
1077 is_mec
, flush_bits
, gfx9_eop_bug_va
);
1081 if (flush_bits
& RADV_CMD_FLAG_INV_ICACHE
)
1082 cp_coher_cntl
|= S_0085F0_SH_ICACHE_ACTION_ENA(1);
1083 if (flush_bits
& RADV_CMD_FLAG_INV_SCACHE
)
1084 cp_coher_cntl
|= S_0085F0_SH_KCACHE_ACTION_ENA(1);
1086 if (chip_class
<= GFX8
) {
1087 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB
) {
1088 cp_coher_cntl
|= S_0085F0_CB_ACTION_ENA(1) |
1089 S_0085F0_CB0_DEST_BASE_ENA(1) |
1090 S_0085F0_CB1_DEST_BASE_ENA(1) |
1091 S_0085F0_CB2_DEST_BASE_ENA(1) |
1092 S_0085F0_CB3_DEST_BASE_ENA(1) |
1093 S_0085F0_CB4_DEST_BASE_ENA(1) |
1094 S_0085F0_CB5_DEST_BASE_ENA(1) |
1095 S_0085F0_CB6_DEST_BASE_ENA(1) |
1096 S_0085F0_CB7_DEST_BASE_ENA(1);
1098 /* Necessary for DCC */
1099 if (chip_class
>= GFX8
) {
1100 si_cs_emit_write_event_eop(cs
,
1103 V_028A90_FLUSH_AND_INV_CB_DATA_TS
,
1106 EOP_DATA_SEL_DISCARD
,
1111 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB
) {
1112 cp_coher_cntl
|= S_0085F0_DB_ACTION_ENA(1) |
1113 S_0085F0_DB_DEST_BASE_ENA(1);
1117 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
) {
1118 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1119 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_CB_META
) | EVENT_INDEX(0));
1122 if (flush_bits
& RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
) {
1123 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1124 radeon_emit(cs
, EVENT_TYPE(V_028A90_FLUSH_AND_INV_DB_META
) | EVENT_INDEX(0));
1127 if (flush_bits
& RADV_CMD_FLAG_PS_PARTIAL_FLUSH
) {
1128 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1129 radeon_emit(cs
, EVENT_TYPE(V_028A90_PS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1130 } else if (flush_bits
& RADV_CMD_FLAG_VS_PARTIAL_FLUSH
) {
1131 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1132 radeon_emit(cs
, EVENT_TYPE(V_028A90_VS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1135 if (flush_bits
& RADV_CMD_FLAG_CS_PARTIAL_FLUSH
) {
1136 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1137 radeon_emit(cs
, EVENT_TYPE(V_028A90_CS_PARTIAL_FLUSH
) | EVENT_INDEX(4));
1140 if (chip_class
== GFX9
&& flush_cb_db
) {
1141 unsigned cb_db_event
, tc_flags
;
1143 /* Set the CB/DB flush event. */
1144 cb_db_event
= V_028A90_CACHE_FLUSH_AND_INV_TS_EVENT
;
1146 /* These are the only allowed combinations. If you need to
1147 * do multiple operations at once, do them separately.
1148 * All operations that invalidate L2 also seem to invalidate
1149 * metadata. Volatile (VOL) and WC flushes are not listed here.
1151 * TC | TC_WB = writeback & invalidate L2 & L1
1152 * TC | TC_WB | TC_NC = writeback & invalidate L2 for MTYPE == NC
1153 * TC_WB | TC_NC = writeback L2 for MTYPE == NC
1154 * TC | TC_NC = invalidate L2 for MTYPE == NC
1155 * TC | TC_MD = writeback & invalidate L2 metadata (DCC, etc.)
1156 * TCL1 = invalidate L1
1158 tc_flags
= EVENT_TC_ACTION_ENA
|
1159 EVENT_TC_MD_ACTION_ENA
;
1161 /* Ideally flush TC together with CB/DB. */
1162 if (flush_bits
& RADV_CMD_FLAG_INV_L2
) {
1163 /* Writeback and invalidate everything in L2 & L1. */
1164 tc_flags
= EVENT_TC_ACTION_ENA
|
1165 EVENT_TC_WB_ACTION_ENA
;
1168 /* Clear the flags. */
1169 flush_bits
&= ~(RADV_CMD_FLAG_INV_L2
|
1170 RADV_CMD_FLAG_WB_L2
|
1171 RADV_CMD_FLAG_INV_VCACHE
);
1176 si_cs_emit_write_event_eop(cs
, chip_class
, false, cb_db_event
, tc_flags
,
1178 EOP_DATA_SEL_VALUE_32BIT
,
1179 flush_va
, *flush_cnt
,
1181 radv_cp_wait_mem(cs
, WAIT_REG_MEM_EQUAL
, flush_va
,
1182 *flush_cnt
, 0xffffffff);
1185 /* VGT state sync */
1186 if (flush_bits
& RADV_CMD_FLAG_VGT_FLUSH
) {
1187 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1188 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_FLUSH
) | EVENT_INDEX(0));
1191 /* VGT streamout state sync */
1192 if (flush_bits
& RADV_CMD_FLAG_VGT_STREAMOUT_SYNC
) {
1193 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1194 radeon_emit(cs
, EVENT_TYPE(V_028A90_VGT_STREAMOUT_SYNC
) | EVENT_INDEX(0));
1197 /* Make sure ME is idle (it executes most packets) before continuing.
1198 * This prevents read-after-write hazards between PFP and ME.
1200 if ((cp_coher_cntl
||
1201 (flush_bits
& (RADV_CMD_FLAG_CS_PARTIAL_FLUSH
|
1202 RADV_CMD_FLAG_INV_VCACHE
|
1203 RADV_CMD_FLAG_INV_L2
|
1204 RADV_CMD_FLAG_WB_L2
))) &&
1206 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
1210 if ((flush_bits
& RADV_CMD_FLAG_INV_L2
) ||
1211 (chip_class
<= GFX7
&& (flush_bits
& RADV_CMD_FLAG_WB_L2
))) {
1212 si_emit_acquire_mem(cs
, is_mec
, chip_class
== GFX9
,
1214 S_0085F0_TC_ACTION_ENA(1) |
1215 S_0085F0_TCL1_ACTION_ENA(1) |
1216 S_0301F0_TC_WB_ACTION_ENA(chip_class
>= GFX8
));
1219 if(flush_bits
& RADV_CMD_FLAG_WB_L2
) {
1221 * NC = apply to non-coherent MTYPEs
1222 * (i.e. MTYPE <= 1, which is what we use everywhere)
1224 * WB doesn't work without NC.
1226 si_emit_acquire_mem(cs
, is_mec
,
1229 S_0301F0_TC_WB_ACTION_ENA(1) |
1230 S_0301F0_TC_NC_ACTION_ENA(1));
1233 if (flush_bits
& RADV_CMD_FLAG_INV_VCACHE
) {
1234 si_emit_acquire_mem(cs
, is_mec
,
1237 S_0085F0_TCL1_ACTION_ENA(1));
1242 /* When one of the DEST_BASE flags is set, SURFACE_SYNC waits for idle.
1243 * Therefore, it should be last. Done in PFP.
1246 si_emit_acquire_mem(cs
, is_mec
, chip_class
== GFX9
, cp_coher_cntl
);
1248 if (flush_bits
& RADV_CMD_FLAG_START_PIPELINE_STATS
) {
1249 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1250 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_START
) |
1252 } else if (flush_bits
& RADV_CMD_FLAG_STOP_PIPELINE_STATS
) {
1253 radeon_emit(cs
, PKT3(PKT3_EVENT_WRITE
, 0, 0));
1254 radeon_emit(cs
, EVENT_TYPE(V_028A90_PIPELINESTAT_STOP
) |
1260 si_emit_cache_flush(struct radv_cmd_buffer
*cmd_buffer
)
1262 bool is_compute
= cmd_buffer
->queue_family_index
== RADV_QUEUE_COMPUTE
;
1265 cmd_buffer
->state
.flush_bits
&= ~(RADV_CMD_FLAG_FLUSH_AND_INV_CB
|
1266 RADV_CMD_FLAG_FLUSH_AND_INV_CB_META
|
1267 RADV_CMD_FLAG_FLUSH_AND_INV_DB
|
1268 RADV_CMD_FLAG_FLUSH_AND_INV_DB_META
|
1269 RADV_CMD_FLAG_PS_PARTIAL_FLUSH
|
1270 RADV_CMD_FLAG_VS_PARTIAL_FLUSH
|
1271 RADV_CMD_FLAG_VGT_FLUSH
|
1272 RADV_CMD_FLAG_START_PIPELINE_STATS
|
1273 RADV_CMD_FLAG_STOP_PIPELINE_STATS
);
1275 if (!cmd_buffer
->state
.flush_bits
)
1278 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 128);
1280 si_cs_emit_cache_flush(cmd_buffer
->cs
,
1281 cmd_buffer
->device
->physical_device
->rad_info
.chip_class
,
1282 &cmd_buffer
->gfx9_fence_idx
,
1283 cmd_buffer
->gfx9_fence_va
,
1284 radv_cmd_buffer_uses_mec(cmd_buffer
),
1285 cmd_buffer
->state
.flush_bits
,
1286 cmd_buffer
->gfx9_eop_bug_va
);
1289 if (unlikely(cmd_buffer
->device
->trace_bo
))
1290 radv_cmd_buffer_trace_emit(cmd_buffer
);
1292 /* Clear the caches that have been flushed to avoid syncing too much
1293 * when there is some pending active queries.
1295 cmd_buffer
->active_query_flush_bits
&= ~cmd_buffer
->state
.flush_bits
;
1297 cmd_buffer
->state
.flush_bits
= 0;
1299 /* If the driver used a compute shader for resetting a query pool, it
1300 * should be finished at this point.
1302 cmd_buffer
->pending_reset_query
= false;
1305 /* sets the CP predication state using a boolean stored at va */
1307 si_emit_set_predication_state(struct radv_cmd_buffer
*cmd_buffer
,
1308 bool draw_visible
, uint64_t va
)
1313 op
= PRED_OP(PREDICATION_OP_BOOL64
);
1315 /* PREDICATION_DRAW_VISIBLE means that if the 32-bit value is
1316 * zero, all rendering commands are discarded. Otherwise, they
1317 * are discarded if the value is non zero.
1319 op
|= draw_visible
? PREDICATION_DRAW_VISIBLE
:
1320 PREDICATION_DRAW_NOT_VISIBLE
;
1322 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
) {
1323 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 2, 0));
1324 radeon_emit(cmd_buffer
->cs
, op
);
1325 radeon_emit(cmd_buffer
->cs
, va
);
1326 radeon_emit(cmd_buffer
->cs
, va
>> 32);
1328 radeon_emit(cmd_buffer
->cs
, PKT3(PKT3_SET_PREDICATION
, 1, 0));
1329 radeon_emit(cmd_buffer
->cs
, va
);
1330 radeon_emit(cmd_buffer
->cs
, op
| ((va
>> 32) & 0xFF));
1334 /* Set this if you want the 3D engine to wait until CP DMA is done.
1335 * It should be set on the last CP DMA packet. */
1336 #define CP_DMA_SYNC (1 << 0)
1338 /* Set this if the source data was used as a destination in a previous CP DMA
1339 * packet. It's for preventing a read-after-write (RAW) hazard between two
1340 * CP DMA packets. */
1341 #define CP_DMA_RAW_WAIT (1 << 1)
1342 #define CP_DMA_USE_L2 (1 << 2)
1343 #define CP_DMA_CLEAR (1 << 3)
1345 /* Alignment for optimal performance. */
1346 #define SI_CPDMA_ALIGNMENT 32
1348 /* The max number of bytes that can be copied per packet. */
1349 static inline unsigned cp_dma_max_byte_count(struct radv_cmd_buffer
*cmd_buffer
)
1351 unsigned max
= cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
?
1352 S_414_BYTE_COUNT_GFX9(~0u) :
1353 S_414_BYTE_COUNT_GFX6(~0u);
1355 /* make it aligned for optimal performance */
1356 return max
& ~(SI_CPDMA_ALIGNMENT
- 1);
1359 /* Emit a CP DMA packet to do a copy from one buffer to another, or to clear
1360 * a buffer. The size must fit in bits [20:0]. If CP_DMA_CLEAR is set, src_va is a 32-bit
1363 static void si_emit_cp_dma(struct radv_cmd_buffer
*cmd_buffer
,
1364 uint64_t dst_va
, uint64_t src_va
,
1365 unsigned size
, unsigned flags
)
1367 struct radeon_cmdbuf
*cs
= cmd_buffer
->cs
;
1368 uint32_t header
= 0, command
= 0;
1370 assert(size
<= cp_dma_max_byte_count(cmd_buffer
));
1372 radeon_check_space(cmd_buffer
->device
->ws
, cmd_buffer
->cs
, 9);
1373 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1374 command
|= S_414_BYTE_COUNT_GFX9(size
);
1376 command
|= S_414_BYTE_COUNT_GFX6(size
);
1379 if (flags
& CP_DMA_SYNC
)
1380 header
|= S_411_CP_SYNC(1);
1382 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
)
1383 command
|= S_414_DISABLE_WR_CONFIRM_GFX9(1);
1385 command
|= S_414_DISABLE_WR_CONFIRM_GFX6(1);
1388 if (flags
& CP_DMA_RAW_WAIT
)
1389 command
|= S_414_RAW_WAIT(1);
1391 /* Src and dst flags. */
1392 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX9
&&
1393 !(flags
& CP_DMA_CLEAR
) &&
1395 header
|= S_411_DST_SEL(V_411_NOWHERE
); /* prefetch only */
1396 else if (flags
& CP_DMA_USE_L2
)
1397 header
|= S_411_DST_SEL(V_411_DST_ADDR_TC_L2
);
1399 if (flags
& CP_DMA_CLEAR
)
1400 header
|= S_411_SRC_SEL(V_411_DATA
);
1401 else if (flags
& CP_DMA_USE_L2
)
1402 header
|= S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2
);
1404 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX7
) {
1405 radeon_emit(cs
, PKT3(PKT3_DMA_DATA
, 5, cmd_buffer
->state
.predicating
));
1406 radeon_emit(cs
, header
);
1407 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1408 radeon_emit(cs
, src_va
>> 32); /* SRC_ADDR_HI [31:0] */
1409 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1410 radeon_emit(cs
, dst_va
>> 32); /* DST_ADDR_HI [31:0] */
1411 radeon_emit(cs
, command
);
1413 assert(!(flags
& CP_DMA_USE_L2
));
1414 header
|= S_411_SRC_ADDR_HI(src_va
>> 32);
1415 radeon_emit(cs
, PKT3(PKT3_CP_DMA
, 4, cmd_buffer
->state
.predicating
));
1416 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
1417 radeon_emit(cs
, header
); /* SRC_ADDR_HI [15:0] + flags. */
1418 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
1419 radeon_emit(cs
, (dst_va
>> 32) & 0xffff); /* DST_ADDR_HI [15:0] */
1420 radeon_emit(cs
, command
);
1423 /* CP DMA is executed in ME, but index buffers are read by PFP.
1424 * This ensures that ME (CP DMA) is idle before PFP starts fetching
1425 * indices. If we wanted to execute CP DMA in PFP, this packet
1426 * should precede it.
1428 if (flags
& CP_DMA_SYNC
) {
1429 if (cmd_buffer
->queue_family_index
== RADV_QUEUE_GENERAL
) {
1430 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, cmd_buffer
->state
.predicating
));
1434 /* CP will see the sync flag and wait for all DMAs to complete. */
1435 cmd_buffer
->state
.dma_is_busy
= false;
1438 if (unlikely(cmd_buffer
->device
->trace_bo
))
1439 radv_cmd_buffer_trace_emit(cmd_buffer
);
1442 void si_cp_dma_prefetch(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1445 uint64_t aligned_va
= va
& ~(SI_CPDMA_ALIGNMENT
- 1);
1446 uint64_t aligned_size
= ((va
+ size
+ SI_CPDMA_ALIGNMENT
-1) & ~(SI_CPDMA_ALIGNMENT
- 1)) - aligned_va
;
1448 si_emit_cp_dma(cmd_buffer
, aligned_va
, aligned_va
,
1449 aligned_size
, CP_DMA_USE_L2
);
1452 static void si_cp_dma_prepare(struct radv_cmd_buffer
*cmd_buffer
, uint64_t byte_count
,
1453 uint64_t remaining_size
, unsigned *flags
)
1456 /* Flush the caches for the first copy only.
1457 * Also wait for the previous CP DMA operations.
1459 if (cmd_buffer
->state
.flush_bits
) {
1460 si_emit_cache_flush(cmd_buffer
);
1461 *flags
|= CP_DMA_RAW_WAIT
;
1464 /* Do the synchronization after the last dma, so that all data
1465 * is written to memory.
1467 if (byte_count
== remaining_size
)
1468 *flags
|= CP_DMA_SYNC
;
1471 static void si_cp_dma_realign_engine(struct radv_cmd_buffer
*cmd_buffer
, unsigned size
)
1475 unsigned dma_flags
= 0;
1476 unsigned buf_size
= SI_CPDMA_ALIGNMENT
* 2;
1479 assert(size
< SI_CPDMA_ALIGNMENT
);
1481 radv_cmd_buffer_upload_alloc(cmd_buffer
, buf_size
, SI_CPDMA_ALIGNMENT
, &offset
, &ptr
);
1483 va
= radv_buffer_get_va(cmd_buffer
->upload
.upload_bo
);
1486 si_cp_dma_prepare(cmd_buffer
, size
, size
, &dma_flags
);
1488 si_emit_cp_dma(cmd_buffer
, va
, va
+ SI_CPDMA_ALIGNMENT
, size
,
1492 void si_cp_dma_buffer_copy(struct radv_cmd_buffer
*cmd_buffer
,
1493 uint64_t src_va
, uint64_t dest_va
,
1496 uint64_t main_src_va
, main_dest_va
;
1497 uint64_t skipped_size
= 0, realign_size
= 0;
1499 /* Assume that we are not going to sync after the last DMA operation. */
1500 cmd_buffer
->state
.dma_is_busy
= true;
1502 if (cmd_buffer
->device
->physical_device
->rad_info
.family
<= CHIP_CARRIZO
||
1503 cmd_buffer
->device
->physical_device
->rad_info
.family
== CHIP_STONEY
) {
1504 /* If the size is not aligned, we must add a dummy copy at the end
1505 * just to align the internal counter. Otherwise, the DMA engine
1506 * would slow down by an order of magnitude for following copies.
1508 if (size
% SI_CPDMA_ALIGNMENT
)
1509 realign_size
= SI_CPDMA_ALIGNMENT
- (size
% SI_CPDMA_ALIGNMENT
);
1511 /* If the copy begins unaligned, we must start copying from the next
1512 * aligned block and the skipped part should be copied after everything
1513 * else has been copied. Only the src alignment matters, not dst.
1515 if (src_va
% SI_CPDMA_ALIGNMENT
) {
1516 skipped_size
= SI_CPDMA_ALIGNMENT
- (src_va
% SI_CPDMA_ALIGNMENT
);
1517 /* The main part will be skipped if the size is too small. */
1518 skipped_size
= MIN2(skipped_size
, size
);
1519 size
-= skipped_size
;
1522 main_src_va
= src_va
+ skipped_size
;
1523 main_dest_va
= dest_va
+ skipped_size
;
1526 unsigned dma_flags
= 0;
1527 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1529 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX10
) {
1530 /* DMA operations via L2 are coherent and faster.
1531 * TODO: GFX7-GFX9 should also support this but it
1532 * requires tests/benchmarks.
1534 dma_flags
|= CP_DMA_USE_L2
;
1537 si_cp_dma_prepare(cmd_buffer
, byte_count
,
1538 size
+ skipped_size
+ realign_size
,
1541 dma_flags
&= ~CP_DMA_SYNC
;
1543 si_emit_cp_dma(cmd_buffer
, main_dest_va
, main_src_va
,
1544 byte_count
, dma_flags
);
1547 main_src_va
+= byte_count
;
1548 main_dest_va
+= byte_count
;
1552 unsigned dma_flags
= 0;
1554 si_cp_dma_prepare(cmd_buffer
, skipped_size
,
1555 size
+ skipped_size
+ realign_size
,
1558 si_emit_cp_dma(cmd_buffer
, dest_va
, src_va
,
1559 skipped_size
, dma_flags
);
1562 si_cp_dma_realign_engine(cmd_buffer
, realign_size
);
1565 void si_cp_dma_clear_buffer(struct radv_cmd_buffer
*cmd_buffer
, uint64_t va
,
1566 uint64_t size
, unsigned value
)
1572 assert(va
% 4 == 0 && size
% 4 == 0);
1574 /* Assume that we are not going to sync after the last DMA operation. */
1575 cmd_buffer
->state
.dma_is_busy
= true;
1578 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(cmd_buffer
));
1579 unsigned dma_flags
= CP_DMA_CLEAR
;
1581 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
>= GFX10
) {
1582 /* DMA operations via L2 are coherent and faster.
1583 * TODO: GFX7-GFX9 should also support this but it
1584 * requires tests/benchmarks.
1586 dma_flags
|= CP_DMA_USE_L2
;
1589 si_cp_dma_prepare(cmd_buffer
, byte_count
, size
, &dma_flags
);
1591 /* Emit the clear packet. */
1592 si_emit_cp_dma(cmd_buffer
, va
, value
, byte_count
,
1600 void si_cp_dma_wait_for_idle(struct radv_cmd_buffer
*cmd_buffer
)
1602 if (cmd_buffer
->device
->physical_device
->rad_info
.chip_class
< GFX7
)
1605 if (!cmd_buffer
->state
.dma_is_busy
)
1608 /* Issue a dummy DMA that copies zero bytes.
1610 * The DMA engine will see that there's no work to do and skip this
1611 * DMA request, however, the CP will see the sync flag and still wait
1612 * for all DMAs to complete.
1614 si_emit_cp_dma(cmd_buffer
, 0, 0, 0, CP_DMA_SYNC
);
1616 cmd_buffer
->state
.dma_is_busy
= false;
1619 /* For MSAA sample positions. */
1620 #define FILL_SREG(s0x, s0y, s1x, s1y, s2x, s2y, s3x, s3y) \
1621 ((((unsigned)(s0x) & 0xf) << 0) | (((unsigned)(s0y) & 0xf) << 4) | \
1622 (((unsigned)(s1x) & 0xf) << 8) | (((unsigned)(s1y) & 0xf) << 12) | \
1623 (((unsigned)(s2x) & 0xf) << 16) | (((unsigned)(s2y) & 0xf) << 20) | \
1624 (((unsigned)(s3x) & 0xf) << 24) | (((unsigned)(s3y) & 0xf) << 28))
1626 /* For obtaining location coordinates from registers */
1627 #define SEXT4(x) ((int)((x) | ((x) & 0x8 ? 0xfffffff0 : 0)))
1628 #define GET_SFIELD(reg, index) SEXT4(((reg) >> ((index) * 4)) & 0xf)
1629 #define GET_SX(reg, index) GET_SFIELD((reg)[(index) / 4], ((index) % 4) * 2)
1630 #define GET_SY(reg, index) GET_SFIELD((reg)[(index) / 4], ((index) % 4) * 2 + 1)
1633 static const uint32_t sample_locs_1x
=
1634 FILL_SREG(0, 0, 0, 0, 0, 0, 0, 0);
1635 static const unsigned max_dist_1x
= 0;
1636 static const uint64_t centroid_priority_1x
= 0x0000000000000000ull
;
1639 static const uint32_t sample_locs_2x
=
1640 FILL_SREG(4,4, -4, -4, 0, 0, 0, 0);
1641 static const unsigned max_dist_2x
= 4;
1642 static const uint64_t centroid_priority_2x
= 0x1010101010101010ull
;
1645 static const uint32_t sample_locs_4x
=
1646 FILL_SREG(-2,-6, 6, -2, -6, 2, 2, 6);
1647 static const unsigned max_dist_4x
= 6;
1648 static const uint64_t centroid_priority_4x
= 0x3210321032103210ull
;
1651 static const uint32_t sample_locs_8x
[] = {
1652 FILL_SREG( 1,-3, -1, 3, 5, 1, -3,-5),
1653 FILL_SREG(-5, 5, -7,-1, 3, 7, 7,-7),
1654 /* The following are unused by hardware, but we emit them to IBs
1655 * instead of multiple SET_CONTEXT_REG packets. */
1659 static const unsigned max_dist_8x
= 7;
1660 static const uint64_t centroid_priority_8x
= 0x7654321076543210ull
;
1662 unsigned radv_get_default_max_sample_dist(int log_samples
)
1664 unsigned max_dist
[] = {
1670 return max_dist
[log_samples
];
1673 void radv_emit_default_sample_locations(struct radeon_cmdbuf
*cs
, int nr_samples
)
1675 switch (nr_samples
) {
1678 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1679 radeon_emit(cs
, (uint32_t)centroid_priority_1x
);
1680 radeon_emit(cs
, centroid_priority_1x
>> 32);
1681 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_1x
);
1682 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_1x
);
1683 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_1x
);
1684 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_1x
);
1687 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1688 radeon_emit(cs
, (uint32_t)centroid_priority_2x
);
1689 radeon_emit(cs
, centroid_priority_2x
>> 32);
1690 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_2x
);
1691 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_2x
);
1692 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_2x
);
1693 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_2x
);
1696 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1697 radeon_emit(cs
, (uint32_t)centroid_priority_4x
);
1698 radeon_emit(cs
, centroid_priority_4x
>> 32);
1699 radeon_set_context_reg(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, sample_locs_4x
);
1700 radeon_set_context_reg(cs
, R_028C08_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y0_0
, sample_locs_4x
);
1701 radeon_set_context_reg(cs
, R_028C18_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y1_0
, sample_locs_4x
);
1702 radeon_set_context_reg(cs
, R_028C28_PA_SC_AA_SAMPLE_LOCS_PIXEL_X1Y1_0
, sample_locs_4x
);
1705 radeon_set_context_reg_seq(cs
, R_028BD4_PA_SC_CENTROID_PRIORITY_0
, 2);
1706 radeon_emit(cs
, (uint32_t)centroid_priority_8x
);
1707 radeon_emit(cs
, centroid_priority_8x
>> 32);
1708 radeon_set_context_reg_seq(cs
, R_028BF8_PA_SC_AA_SAMPLE_LOCS_PIXEL_X0Y0_0
, 14);
1709 radeon_emit_array(cs
, sample_locs_8x
, 4);
1710 radeon_emit_array(cs
, sample_locs_8x
, 4);
1711 radeon_emit_array(cs
, sample_locs_8x
, 4);
1712 radeon_emit_array(cs
, sample_locs_8x
, 2);
1717 static void radv_get_sample_position(struct radv_device
*device
,
1718 unsigned sample_count
,
1719 unsigned sample_index
, float *out_value
)
1721 const uint32_t *sample_locs
;
1723 switch (sample_count
) {
1726 sample_locs
= &sample_locs_1x
;
1729 sample_locs
= &sample_locs_2x
;
1732 sample_locs
= &sample_locs_4x
;
1735 sample_locs
= sample_locs_8x
;
1739 out_value
[0] = (GET_SX(sample_locs
, sample_index
) + 8) / 16.0f
;
1740 out_value
[1] = (GET_SY(sample_locs
, sample_index
) + 8) / 16.0f
;
1743 void radv_device_init_msaa(struct radv_device
*device
)
1747 radv_get_sample_position(device
, 1, 0, device
->sample_locations_1x
[0]);
1749 for (i
= 0; i
< 2; i
++)
1750 radv_get_sample_position(device
, 2, i
, device
->sample_locations_2x
[i
]);
1751 for (i
= 0; i
< 4; i
++)
1752 radv_get_sample_position(device
, 4, i
, device
->sample_locations_4x
[i
]);
1753 for (i
= 0; i
< 8; i
++)
1754 radv_get_sample_position(device
, 8, i
, device
->sample_locations_8x
[i
]);