2 * Copyright 2013 Advanced Micro Devices, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
28 /* Recommended maximum sizes for optimal performance.
29 * Fall back to compute or SDMA if the size is greater.
31 #define CP_DMA_COPY_PERF_THRESHOLD (64 * 1024) /* copied from Vulkan */
32 #define CP_DMA_CLEAR_PERF_THRESHOLD (32 * 1024) /* guess (clear is much slower) */
34 /* Set this if you want the ME to wait until CP DMA is done.
35 * It should be set on the last CP DMA packet. */
36 #define CP_DMA_SYNC (1 << 0)
38 /* Set this if the source data was used as a destination in a previous CP DMA
39 * packet. It's for preventing a read-after-write (RAW) hazard between two
41 #define CP_DMA_RAW_WAIT (1 << 1)
42 #define CP_DMA_CLEAR (1 << 3)
43 #define CP_DMA_PFP_SYNC_ME (1 << 4)
45 /* The max number of bytes that can be copied per packet. */
46 static inline unsigned cp_dma_max_byte_count(struct si_context
*sctx
)
48 unsigned max
= sctx
->chip_class
>= GFX9
?
49 S_414_BYTE_COUNT_GFX9(~0u) :
50 S_414_BYTE_COUNT_GFX6(~0u);
52 /* make it aligned for optimal performance */
53 return max
& ~(SI_CPDMA_ALIGNMENT
- 1);
57 /* Emit a CP DMA packet to do a copy from one buffer to another, or to clear
58 * a buffer. The size must fit in bits [20:0]. If CP_DMA_CLEAR is set, src_va is a 32-bit
61 static void si_emit_cp_dma(struct si_context
*sctx
, uint64_t dst_va
,
62 uint64_t src_va
, unsigned size
, unsigned flags
,
63 enum si_cache_policy cache_policy
)
65 struct radeon_cmdbuf
*cs
= sctx
->gfx_cs
;
66 uint32_t header
= 0, command
= 0;
68 assert(size
<= cp_dma_max_byte_count(sctx
));
69 assert(sctx
->chip_class
!= SI
|| cache_policy
== L2_BYPASS
);
71 if (sctx
->chip_class
>= GFX9
)
72 command
|= S_414_BYTE_COUNT_GFX9(size
);
74 command
|= S_414_BYTE_COUNT_GFX6(size
);
77 if (flags
& CP_DMA_SYNC
)
78 header
|= S_411_CP_SYNC(1);
80 if (sctx
->chip_class
>= GFX9
)
81 command
|= S_414_DISABLE_WR_CONFIRM_GFX9(1);
83 command
|= S_414_DISABLE_WR_CONFIRM_GFX6(1);
86 if (flags
& CP_DMA_RAW_WAIT
)
87 command
|= S_414_RAW_WAIT(1);
89 /* Src and dst flags. */
90 if (sctx
->chip_class
>= GFX9
&& !(flags
& CP_DMA_CLEAR
) &&
92 header
|= S_411_DST_SEL(V_411_NOWHERE
); /* prefetch only */
93 else if (sctx
->chip_class
>= CIK
&& cache_policy
!= L2_BYPASS
)
94 header
|= S_411_DST_SEL(V_411_DST_ADDR_TC_L2
);
96 if (flags
& CP_DMA_CLEAR
)
97 header
|= S_411_SRC_SEL(V_411_DATA
);
98 else if (sctx
->chip_class
>= CIK
&& cache_policy
!= L2_BYPASS
)
99 header
|= S_411_SRC_SEL(V_411_SRC_ADDR_TC_L2
);
101 if (sctx
->chip_class
>= CIK
) {
102 radeon_emit(cs
, PKT3(PKT3_DMA_DATA
, 5, 0));
103 radeon_emit(cs
, header
);
104 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
105 radeon_emit(cs
, src_va
>> 32); /* SRC_ADDR_HI [31:0] */
106 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
107 radeon_emit(cs
, dst_va
>> 32); /* DST_ADDR_HI [31:0] */
108 radeon_emit(cs
, command
);
110 header
|= S_411_SRC_ADDR_HI(src_va
>> 32);
112 radeon_emit(cs
, PKT3(PKT3_CP_DMA
, 4, 0));
113 radeon_emit(cs
, src_va
); /* SRC_ADDR_LO [31:0] */
114 radeon_emit(cs
, header
); /* SRC_ADDR_HI [15:0] + flags. */
115 radeon_emit(cs
, dst_va
); /* DST_ADDR_LO [31:0] */
116 radeon_emit(cs
, (dst_va
>> 32) & 0xffff); /* DST_ADDR_HI [15:0] */
117 radeon_emit(cs
, command
);
120 /* CP DMA is executed in ME, but index buffers are read by PFP.
121 * This ensures that ME (CP DMA) is idle before PFP starts fetching
122 * indices. If we wanted to execute CP DMA in PFP, this packet
125 if (flags
& CP_DMA_PFP_SYNC_ME
) {
126 radeon_emit(cs
, PKT3(PKT3_PFP_SYNC_ME
, 0, 0));
131 void si_cp_dma_wait_for_idle(struct si_context
*sctx
)
133 /* Issue a dummy DMA that copies zero bytes.
135 * The DMA engine will see that there's no work to do and skip this
136 * DMA request, however, the CP will see the sync flag and still wait
137 * for all DMAs to complete.
139 si_emit_cp_dma(sctx
, 0, 0, 0, CP_DMA_SYNC
, L2_BYPASS
);
142 static unsigned get_flush_flags(struct si_context
*sctx
, enum si_coherency coher
,
143 enum si_cache_policy cache_policy
)
147 case SI_COHERENCY_NONE
:
149 case SI_COHERENCY_SHADER
:
150 assert(sctx
->chip_class
!= SI
|| cache_policy
== L2_BYPASS
);
151 return SI_CONTEXT_INV_SMEM_L1
|
152 SI_CONTEXT_INV_VMEM_L1
|
153 (cache_policy
== L2_BYPASS
? SI_CONTEXT_INV_GLOBAL_L2
: 0);
154 case SI_COHERENCY_CB_META
:
155 assert(sctx
->chip_class
>= GFX9
? cache_policy
!= L2_BYPASS
:
156 cache_policy
== L2_BYPASS
);
157 return SI_CONTEXT_FLUSH_AND_INV_CB
;
161 static enum si_cache_policy
get_cache_policy(struct si_context
*sctx
,
162 enum si_coherency coher
)
164 if ((sctx
->chip_class
>= GFX9
&& coher
== SI_COHERENCY_CB_META
) ||
165 (sctx
->chip_class
>= CIK
&& coher
== SI_COHERENCY_SHADER
))
171 static void si_cp_dma_prepare(struct si_context
*sctx
, struct pipe_resource
*dst
,
172 struct pipe_resource
*src
, unsigned byte_count
,
173 uint64_t remaining_size
, unsigned user_flags
,
174 enum si_coherency coher
, bool *is_first
,
175 unsigned *packet_flags
)
177 /* Fast exit for a CPDMA prefetch. */
178 if ((user_flags
& SI_CPDMA_SKIP_ALL
) == SI_CPDMA_SKIP_ALL
) {
183 if (!(user_flags
& SI_CPDMA_SKIP_BO_LIST_UPDATE
)) {
184 /* Count memory usage in so that need_cs_space can take it into account. */
185 si_context_add_resource_size(sctx
, dst
);
187 si_context_add_resource_size(sctx
, src
);
190 if (!(user_flags
& SI_CPDMA_SKIP_CHECK_CS_SPACE
))
191 si_need_gfx_cs_space(sctx
);
193 /* This must be done after need_cs_space. */
194 if (!(user_flags
& SI_CPDMA_SKIP_BO_LIST_UPDATE
)) {
195 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
197 RADEON_USAGE_WRITE
, RADEON_PRIO_CP_DMA
);
199 radeon_add_to_buffer_list(sctx
, sctx
->gfx_cs
,
201 RADEON_USAGE_READ
, RADEON_PRIO_CP_DMA
);
204 /* Flush the caches for the first copy only.
205 * Also wait for the previous CP DMA operations.
207 if (!(user_flags
& SI_CPDMA_SKIP_GFX_SYNC
) && sctx
->flags
)
208 si_emit_cache_flush(sctx
);
210 if (!(user_flags
& SI_CPDMA_SKIP_SYNC_BEFORE
) && *is_first
)
211 *packet_flags
|= CP_DMA_RAW_WAIT
;
215 /* Do the synchronization after the last dma, so that all data
216 * is written to memory.
218 if (!(user_flags
& SI_CPDMA_SKIP_SYNC_AFTER
) &&
219 byte_count
== remaining_size
) {
220 *packet_flags
|= CP_DMA_SYNC
;
222 if (coher
== SI_COHERENCY_SHADER
)
223 *packet_flags
|= CP_DMA_PFP_SYNC_ME
;
227 void si_clear_buffer(struct si_context
*sctx
, struct pipe_resource
*dst
,
228 uint64_t offset
, uint64_t size
, unsigned value
,
229 enum si_coherency coher
, enum si_method xfer
)
231 struct radeon_winsys
*ws
= sctx
->ws
;
232 struct r600_resource
*rdst
= r600_resource(dst
);
233 enum si_cache_policy cache_policy
= get_cache_policy(sctx
, coher
);
234 unsigned flush_flags
= get_flush_flags(sctx
, coher
, cache_policy
);
235 uint64_t dma_clear_size
;
236 bool is_first
= true;
241 dma_clear_size
= size
& ~3ull;
243 /* Mark the buffer range of destination as valid (initialized),
244 * so that transfer_map knows it should wait for the GPU when mapping
246 util_range_add(&rdst
->valid_buffer_range
, offset
,
247 offset
+ dma_clear_size
);
249 /* dma_clear_buffer can use clear_buffer on failure. Make sure that
250 * doesn't happen. We don't want an infinite recursion: */
252 !(dst
->flags
& PIPE_RESOURCE_FLAG_SPARSE
) &&
254 /* CP DMA is very slow. Always use SDMA for big clears. This
255 * alone improves DeusEx:MD performance by 70%. */
256 (size
> CP_DMA_CLEAR_PERF_THRESHOLD
||
257 /* Buffers not used by the GFX IB yet will be cleared by SDMA.
258 * This happens to move most buffer clears to SDMA, including
259 * DCC and CMASK clears, because pipe->clear clears them before
260 * si_emit_framebuffer_state (in a draw call) adds them.
261 * For example, DeusEx:MD has 21 buffer clears per frame and all
262 * of them are moved to SDMA thanks to this. */
263 !ws
->cs_is_buffer_referenced(sctx
->gfx_cs
, rdst
->buf
,
264 RADEON_USAGE_READWRITE
)) &&
265 /* bypass sdma transfer with param xfer */
266 (xfer
!= SI_METHOD_CP_DMA
)) {
267 sctx
->dma_clear_buffer(sctx
, dst
, offset
, dma_clear_size
, value
);
269 offset
+= dma_clear_size
;
270 size
-= dma_clear_size
;
271 } else if (dma_clear_size
>= 4) {
272 uint64_t va
= rdst
->gpu_address
+ offset
;
274 offset
+= dma_clear_size
;
275 size
-= dma_clear_size
;
277 /* Flush the caches. */
278 sctx
->flags
|= SI_CONTEXT_PS_PARTIAL_FLUSH
|
279 SI_CONTEXT_CS_PARTIAL_FLUSH
| flush_flags
;
281 while (dma_clear_size
) {
282 unsigned byte_count
= MIN2(dma_clear_size
, cp_dma_max_byte_count(sctx
));
283 unsigned dma_flags
= CP_DMA_CLEAR
;
285 si_cp_dma_prepare(sctx
, dst
, NULL
, byte_count
, dma_clear_size
, 0,
286 coher
, &is_first
, &dma_flags
);
288 /* Emit the clear packet. */
289 si_emit_cp_dma(sctx
, va
, value
, byte_count
, dma_flags
,
292 dma_clear_size
-= byte_count
;
296 if (cache_policy
!= L2_BYPASS
)
297 rdst
->TC_L2_dirty
= true;
299 /* If it's not a framebuffer fast clear... */
300 if (coher
== SI_COHERENCY_SHADER
)
301 sctx
->num_cp_dma_calls
++;
305 /* Handle non-dword alignment.
307 * This function is called for embedded texture metadata clears,
308 * but those should always be properly aligned. */
309 assert(dst
->target
== PIPE_BUFFER
);
312 pipe_buffer_write(&sctx
->b
, dst
, offset
, size
, &value
);
316 static void si_pipe_clear_buffer(struct pipe_context
*ctx
,
317 struct pipe_resource
*dst
,
318 unsigned offset
, unsigned size
,
319 const void *clear_value_ptr
,
320 int clear_value_size
)
322 struct si_context
*sctx
= (struct si_context
*)ctx
;
323 uint32_t dword_value
;
326 assert(offset
% clear_value_size
== 0);
327 assert(size
% clear_value_size
== 0);
329 if (clear_value_size
> 4) {
330 const uint32_t *u32
= clear_value_ptr
;
331 bool clear_dword_duplicated
= true;
333 /* See if we can lower large fills to dword fills. */
334 for (i
= 1; i
< clear_value_size
/ 4; i
++)
335 if (u32
[0] != u32
[i
]) {
336 clear_dword_duplicated
= false;
340 if (!clear_dword_duplicated
) {
341 /* Use transform feedback for 64-bit, 96-bit, and
344 union pipe_color_union clear_value
;
346 memcpy(&clear_value
, clear_value_ptr
, clear_value_size
);
347 si_blitter_begin(sctx
, SI_DISABLE_RENDER_COND
);
348 util_blitter_clear_buffer(sctx
->blitter
, dst
, offset
,
349 size
, clear_value_size
/ 4,
351 si_blitter_end(sctx
);
356 /* Expand the clear value to a dword. */
357 switch (clear_value_size
) {
359 dword_value
= *(uint8_t*)clear_value_ptr
;
360 dword_value
|= (dword_value
<< 8) |
361 (dword_value
<< 16) |
365 dword_value
= *(uint16_t*)clear_value_ptr
;
366 dword_value
|= dword_value
<< 16;
369 dword_value
= *(uint32_t*)clear_value_ptr
;
372 si_clear_buffer(sctx
, dst
, offset
, size
, dword_value
,
373 SI_COHERENCY_SHADER
, SI_METHOD_BEST
);
377 * Realign the CP DMA engine. This must be done after a copy with an unaligned
380 * \param size Remaining size to the CP DMA alignment.
382 static void si_cp_dma_realign_engine(struct si_context
*sctx
, unsigned size
,
383 unsigned user_flags
, enum si_coherency coher
,
384 enum si_cache_policy cache_policy
,
388 unsigned dma_flags
= 0;
389 unsigned scratch_size
= SI_CPDMA_ALIGNMENT
* 2;
391 assert(size
< SI_CPDMA_ALIGNMENT
);
393 /* Use the scratch buffer as the dummy buffer. The 3D engine should be
394 * idle at this point.
396 if (!sctx
->scratch_buffer
||
397 sctx
->scratch_buffer
->b
.b
.width0
< scratch_size
) {
398 r600_resource_reference(&sctx
->scratch_buffer
, NULL
);
399 sctx
->scratch_buffer
=
400 si_aligned_buffer_create(&sctx
->screen
->b
,
401 SI_RESOURCE_FLAG_UNMAPPABLE
,
404 if (!sctx
->scratch_buffer
)
407 si_mark_atom_dirty(sctx
, &sctx
->atoms
.s
.scratch_state
);
410 si_cp_dma_prepare(sctx
, &sctx
->scratch_buffer
->b
.b
,
411 &sctx
->scratch_buffer
->b
.b
, size
, size
, user_flags
,
412 coher
, is_first
, &dma_flags
);
414 va
= sctx
->scratch_buffer
->gpu_address
;
415 si_emit_cp_dma(sctx
, va
, va
+ SI_CPDMA_ALIGNMENT
, size
, dma_flags
,
420 * Do memcpy between buffers using CP DMA.
422 * \param user_flags bitmask of SI_CPDMA_*
424 void si_copy_buffer(struct si_context
*sctx
,
425 struct pipe_resource
*dst
, struct pipe_resource
*src
,
426 uint64_t dst_offset
, uint64_t src_offset
, unsigned size
,
429 uint64_t main_dst_offset
, main_src_offset
;
430 unsigned skipped_size
= 0;
431 unsigned realign_size
= 0;
432 enum si_coherency coher
= SI_COHERENCY_SHADER
;
433 enum si_cache_policy cache_policy
= get_cache_policy(sctx
, coher
);
434 bool is_first
= true;
439 if (dst
!= src
|| dst_offset
!= src_offset
) {
440 /* Mark the buffer range of destination as valid (initialized),
441 * so that transfer_map knows it should wait for the GPU when mapping
443 util_range_add(&r600_resource(dst
)->valid_buffer_range
, dst_offset
,
447 dst_offset
+= r600_resource(dst
)->gpu_address
;
448 src_offset
+= r600_resource(src
)->gpu_address
;
450 /* The workarounds aren't needed on Fiji and beyond. */
451 if (sctx
->family
<= CHIP_CARRIZO
||
452 sctx
->family
== CHIP_STONEY
) {
453 /* If the size is not aligned, we must add a dummy copy at the end
454 * just to align the internal counter. Otherwise, the DMA engine
455 * would slow down by an order of magnitude for following copies.
457 if (size
% SI_CPDMA_ALIGNMENT
)
458 realign_size
= SI_CPDMA_ALIGNMENT
- (size
% SI_CPDMA_ALIGNMENT
);
460 /* If the copy begins unaligned, we must start copying from the next
461 * aligned block and the skipped part should be copied after everything
462 * else has been copied. Only the src alignment matters, not dst.
464 if (src_offset
% SI_CPDMA_ALIGNMENT
) {
465 skipped_size
= SI_CPDMA_ALIGNMENT
- (src_offset
% SI_CPDMA_ALIGNMENT
);
466 /* The main part will be skipped if the size is too small. */
467 skipped_size
= MIN2(skipped_size
, size
);
468 size
-= skipped_size
;
472 /* Flush the caches. */
473 if (!(user_flags
& SI_CPDMA_SKIP_GFX_SYNC
)) {
474 sctx
->flags
|= SI_CONTEXT_PS_PARTIAL_FLUSH
|
475 SI_CONTEXT_CS_PARTIAL_FLUSH
|
476 get_flush_flags(sctx
, coher
, cache_policy
);
479 /* This is the main part doing the copying. Src is always aligned. */
480 main_dst_offset
= dst_offset
+ skipped_size
;
481 main_src_offset
= src_offset
+ skipped_size
;
484 unsigned byte_count
= MIN2(size
, cp_dma_max_byte_count(sctx
));
485 unsigned dma_flags
= 0;
487 si_cp_dma_prepare(sctx
, dst
, src
, byte_count
,
488 size
+ skipped_size
+ realign_size
,
489 user_flags
, coher
, &is_first
, &dma_flags
);
491 si_emit_cp_dma(sctx
, main_dst_offset
, main_src_offset
,
492 byte_count
, dma_flags
, cache_policy
);
495 main_src_offset
+= byte_count
;
496 main_dst_offset
+= byte_count
;
499 /* Copy the part we skipped because src wasn't aligned. */
501 unsigned dma_flags
= 0;
503 si_cp_dma_prepare(sctx
, dst
, src
, skipped_size
,
504 skipped_size
+ realign_size
, user_flags
,
505 coher
, &is_first
, &dma_flags
);
507 si_emit_cp_dma(sctx
, dst_offset
, src_offset
, skipped_size
,
508 dma_flags
, cache_policy
);
511 /* Finally, realign the engine if the size wasn't aligned. */
513 si_cp_dma_realign_engine(sctx
, realign_size
, user_flags
, coher
,
514 cache_policy
, &is_first
);
517 if (cache_policy
!= L2_BYPASS
)
518 r600_resource(dst
)->TC_L2_dirty
= true;
520 /* If it's not a prefetch... */
521 if (dst_offset
!= src_offset
)
522 sctx
->num_cp_dma_calls
++;
525 void cik_prefetch_TC_L2_async(struct si_context
*sctx
, struct pipe_resource
*buf
,
526 uint64_t offset
, unsigned size
)
528 assert(sctx
->chip_class
>= CIK
);
530 si_copy_buffer(sctx
, buf
, buf
, offset
, offset
, size
, SI_CPDMA_SKIP_ALL
);
533 static void cik_prefetch_shader_async(struct si_context
*sctx
,
534 struct si_pm4_state
*state
)
536 struct pipe_resource
*bo
= &state
->bo
[0]->b
.b
;
537 assert(state
->nbo
== 1);
539 cik_prefetch_TC_L2_async(sctx
, bo
, 0, bo
->width0
);
542 static void cik_prefetch_VBO_descriptors(struct si_context
*sctx
)
544 if (!sctx
->vertex_elements
)
547 cik_prefetch_TC_L2_async(sctx
, &sctx
->vb_descriptors_buffer
->b
.b
,
548 sctx
->vb_descriptors_offset
,
549 sctx
->vertex_elements
->desc_list_byte_size
);
553 * Prefetch shaders and VBO descriptors.
555 * \param vertex_stage_only Whether only the the API VS and VBO descriptors
556 * should be prefetched.
558 void cik_emit_prefetch_L2(struct si_context
*sctx
, bool vertex_stage_only
)
560 unsigned mask
= sctx
->prefetch_L2_mask
;
563 /* Prefetch shaders and VBO descriptors to TC L2. */
564 if (sctx
->chip_class
>= GFX9
) {
565 /* Choose the right spot for the VBO prefetch. */
566 if (sctx
->tes_shader
.cso
) {
567 if (mask
& SI_PREFETCH_HS
)
568 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.hs
);
569 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
570 cik_prefetch_VBO_descriptors(sctx
);
571 if (vertex_stage_only
) {
572 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_HS
|
573 SI_PREFETCH_VBO_DESCRIPTORS
);
577 if (mask
& SI_PREFETCH_GS
)
578 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.gs
);
579 if (mask
& SI_PREFETCH_VS
)
580 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
581 } else if (sctx
->gs_shader
.cso
) {
582 if (mask
& SI_PREFETCH_GS
)
583 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.gs
);
584 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
585 cik_prefetch_VBO_descriptors(sctx
);
586 if (vertex_stage_only
) {
587 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_GS
|
588 SI_PREFETCH_VBO_DESCRIPTORS
);
592 if (mask
& SI_PREFETCH_VS
)
593 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
595 if (mask
& SI_PREFETCH_VS
)
596 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
597 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
598 cik_prefetch_VBO_descriptors(sctx
);
599 if (vertex_stage_only
) {
600 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_VS
|
601 SI_PREFETCH_VBO_DESCRIPTORS
);
607 /* Choose the right spot for the VBO prefetch. */
608 if (sctx
->tes_shader
.cso
) {
609 if (mask
& SI_PREFETCH_LS
)
610 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.ls
);
611 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
612 cik_prefetch_VBO_descriptors(sctx
);
613 if (vertex_stage_only
) {
614 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_LS
|
615 SI_PREFETCH_VBO_DESCRIPTORS
);
619 if (mask
& SI_PREFETCH_HS
)
620 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.hs
);
621 if (mask
& SI_PREFETCH_ES
)
622 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.es
);
623 if (mask
& SI_PREFETCH_GS
)
624 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.gs
);
625 if (mask
& SI_PREFETCH_VS
)
626 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
627 } else if (sctx
->gs_shader
.cso
) {
628 if (mask
& SI_PREFETCH_ES
)
629 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.es
);
630 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
631 cik_prefetch_VBO_descriptors(sctx
);
632 if (vertex_stage_only
) {
633 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_ES
|
634 SI_PREFETCH_VBO_DESCRIPTORS
);
638 if (mask
& SI_PREFETCH_GS
)
639 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.gs
);
640 if (mask
& SI_PREFETCH_VS
)
641 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
643 if (mask
& SI_PREFETCH_VS
)
644 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.vs
);
645 if (mask
& SI_PREFETCH_VBO_DESCRIPTORS
)
646 cik_prefetch_VBO_descriptors(sctx
);
647 if (vertex_stage_only
) {
648 sctx
->prefetch_L2_mask
&= ~(SI_PREFETCH_VS
|
649 SI_PREFETCH_VBO_DESCRIPTORS
);
655 if (mask
& SI_PREFETCH_PS
)
656 cik_prefetch_shader_async(sctx
, sctx
->queued
.named
.ps
);
658 sctx
->prefetch_L2_mask
= 0;
661 void si_init_cp_dma_functions(struct si_context
*sctx
)
663 sctx
->b
.clear_buffer
= si_pipe_clear_buffer
;