diff options
| author | Marek Olšák <[email protected]> | 2017-01-17 18:40:26 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2017-01-18 19:51:31 +0100 |
| commit | 395c49849da3ad1865a9cd15bacd950bc071c5fc (patch) | |
| tree | 316401b3c218b0f9cea7cbd1854eb5415ea28678 /src/gallium/drivers/radeonsi | |
| parent | 35cd7551a443477147293e562d8c1adfbe00dea9 (diff) | |
radeonsi: add SI_CPDMA_SKIP_BO_LIST_UPDATE
the next commit will use it in a clever way, because the CP DMA prefetch
doesn't need this.
Reviewed-by: Nicolai Hähnle <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_cp_dma.c | 24 | ||||
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.h | 1 |
2 files changed, 15 insertions, 10 deletions
diff --git a/src/gallium/drivers/radeonsi/si_cp_dma.c b/src/gallium/drivers/radeonsi/si_cp_dma.c index f06b8ddb79b..4c79dfeb52b 100644 --- a/src/gallium/drivers/radeonsi/si_cp_dma.c +++ b/src/gallium/drivers/radeonsi/si_cp_dma.c @@ -133,22 +133,26 @@ static void si_cp_dma_prepare(struct si_context *sctx, struct pipe_resource *dst uint64_t remaining_size, unsigned user_flags, bool *is_first, unsigned *packet_flags) { - /* Count memory usage in so that need_cs_space can take it into account. */ - r600_context_add_resource_size(&sctx->b.b, dst); - if (src) - r600_context_add_resource_size(&sctx->b.b, src); + if (!(user_flags & SI_CPDMA_SKIP_BO_LIST_UPDATE)) { + /* Count memory usage in so that need_cs_space can take it into account. */ + r600_context_add_resource_size(&sctx->b.b, dst); + if (src) + r600_context_add_resource_size(&sctx->b.b, src); + } if (!(user_flags & SI_CPDMA_SKIP_CHECK_CS_SPACE)) si_need_cs_space(sctx); /* This must be done after need_cs_space. */ - radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, - (struct r600_resource*)dst, - RADEON_USAGE_WRITE, RADEON_PRIO_CP_DMA); - if (src) + if (!(user_flags & SI_CPDMA_SKIP_BO_LIST_UPDATE)) { radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, - (struct r600_resource*)src, - RADEON_USAGE_READ, RADEON_PRIO_CP_DMA); + (struct r600_resource*)dst, + RADEON_USAGE_WRITE, RADEON_PRIO_CP_DMA); + if (src) + radeon_add_to_buffer_list(&sctx->b, &sctx->b.gfx, + (struct r600_resource*)src, + RADEON_USAGE_READ, RADEON_PRIO_CP_DMA); + } /* Flush the caches for the first copy only. * Also wait for the previous CP DMA operations. diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h index cecbc3b91c3..64218eee31b 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.h +++ b/src/gallium/drivers/radeonsi/si_pipe.h @@ -372,6 +372,7 @@ void si_resource_copy_region(struct pipe_context *ctx, #define SI_CPDMA_SKIP_SYNC_AFTER (1 << 1) /* don't wait for DMA after the copy */ #define SI_CPDMA_SKIP_SYNC_BEFORE (1 << 2) /* don't wait for DMA before the copy (RAW hazards) */ #define SI_CPDMA_SKIP_GFX_SYNC (1 << 3) /* don't flush caches and don't wait for PS/CS */ +#define SI_CPDMA_SKIP_BO_LIST_UPDATE (1 << 4) /* don't update the BO list */ void si_copy_buffer(struct si_context *sctx, struct pipe_resource *dst, struct pipe_resource *src, |