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winsys/amdgpu: use VRAM for command buffers if all VRAM is visible

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Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7951>
This commit is contained in:
Marek Olšák 2020-12-08 14:43:07 -05:00
parent 14f85e1874
commit d60930c017
1 changed files with 15 additions and 6 deletions
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21
src/gallium/winsys/amdgpu/drm/amdgpu_cs.c
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@ -705,14 +705,23 @@ static bool amdgpu_ib_new_buffer(struct amdgpu_winsys *ws,
buffer_size = MIN2(buffer_size, max_size);
buffer_size = MAX2(buffer_size, min_size); /* min_size is more important */
enum radeon_bo_domain domain;
unsigned flags = RADEON_FLAG_NO_INTERPROCESS_SHARING;
if (cs->ring_type == RING_GFX ||
cs->ring_type == RING_COMPUTE ||
cs->ring_type == RING_DMA) {
domain = ws->info.all_vram_visible ? RADEON_DOMAIN_VRAM : RADEON_DOMAIN_GTT;
flags |= RADEON_FLAG_32BIT | RADEON_FLAG_GTT_WC;
} else {
/* UVD/VCE */
/* TODO: validate that UVD/VCE don't read from IBs and enable WC or even VRAM. */
domain = RADEON_DOMAIN_GTT;
}
pb = amdgpu_bo_create(ws, buffer_size,
ws->info.gart_page_size,
RADEON_DOMAIN_GTT,
RADEON_FLAG_NO_INTERPROCESS_SHARING |
(cs->ring_type == RING_GFX ||
cs->ring_type == RING_COMPUTE ||
cs->ring_type == RING_DMA ?
RADEON_FLAG_32BIT | RADEON_FLAG_GTT_WC : 0));
domain, flags);
if (!pb)
return false;