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minigbm: amdgpu: use VRAM only for cursor and scanouts

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Everything else should use GTT (USWC preferably). We should also switch
scanouts to GTT after we enable display VM.

BUG=b:69941535,b:69647975
TEST=run WebGL Aquarium on Kahlee

Change-Id: I939b159551305f74102ba47eb551e2bed2e32e06
Signed-off-by: Dominik Behr <dbehr@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/801797
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
This commit is contained in:
Dominik Behr 2017-11-30 12:23:06 -08:00 • committed by chrome-bot
parent 85c4c5f4ac
commit fa17cdde2d
2 changed files with 21 additions and 2 deletions
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16
amdgpu.c
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@ -376,8 +376,20 @@ static int amdgpu_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint
gem_create.in.bo_size = bo->total_size;
gem_create.in.alignment = addr_out.baseAlign;
/* Set the placement. */
gem_create.in.domains = AMDGPU_GEM_DOMAIN_VRAM;
gem_create.in.domain_flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
gem_create.in.domain_flags = 0;
if (use_flags & (BO_USE_LINEAR | BO_USE_SW))
gem_create.in.domain_flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
if (use_flags & (BO_USE_SCANOUT | BO_USE_CURSOR)) {
/* TODO(dbehr) do not use VRAM after we enable display VM */
gem_create.in.domains = AMDGPU_GEM_DOMAIN_VRAM;
} else {
gem_create.in.domains = AMDGPU_GEM_DOMAIN_GTT;
if (!(use_flags & BO_USE_SW_READ_OFTEN))
gem_create.in.domain_flags |= AMDGPU_GEM_CREATE_CPU_GTT_USWC;
}
/* Allocate the buffer with the preferred heap. */
ret = drmCommandWriteRead(drv_get_fd(bo->drv), DRM_AMDGPU_GEM_CREATE, &gem_create,
sizeof(gem_create));

7
drv_priv.h
View file

@ -85,6 +85,13 @@ struct backend {
BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE
#define BO_USE_SW BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY
#define BO_USE_SW_OFTEN BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN
#define BO_USE_SW_RARELY BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY
#define LINEAR_METADATA (struct format_metadata) { 0, 1, DRM_FORMAT_MOD_NONE }
// clang-format on