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drm/amdgpu: Pessimistic availability based on rounded up allocations

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Separately accumulate a statistic of rounded up allocations to use
to report availability, with a view to increasing the likelihood a
buffer object can be successfully allocated at exactly the size
reported by the availability API.

Signed-off-by: Daniel Phillips <daniel.phillips@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Daniel Phillips
2022-07-28 20:05:08 -07:00
committed by Alex Deucher
parent aec208eecf
commit 1ac354beec
2 changed files with 8 additions and 3 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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@@ -96,6 +96,7 @@ struct amdgpu_amdkfd_fence {
struct amdgpu_kfd_dev {
struct kfd_dev *dev;
uint64_t vram_used;
uint64_t vram_used_aligned;
bool init_complete;
struct work_struct reset_work;
};