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drm/amdkfd: Check correct memory types for is_system variable

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To catch GPU mapping of system memory, TTM_PL_TT and AMDGPU_PL_PREEMPT
must be checked.

Fixes: 628e1ace23 ("drm/amdkfd: mark GFX12 system and peer GPU memory mappings as MTYPE_NC")
Signed-off-by: Sreekant Somasekharan <sreekant.somasekharan@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sreekant Somasekharan 2024-05-10 00:09:32 -04:00 committed by Alex Deucher
parent b72fa761fc
commit 0cce5f285d
1 changed files with 2 additions and 1 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
View file

@ -524,7 +524,8 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev,
bo_adev = amdgpu_ttm_adev(bo->tbo.bdev); bo_adev = amdgpu_ttm_adev(bo->tbo.bdev);
coherent = bo->flags & AMDGPU_GEM_CREATE_COHERENT; coherent = bo->flags & AMDGPU_GEM_CREATE_COHERENT;
is_system = bo->tbo.resource->mem_type == TTM_PL_SYSTEM; is_system = (bo->tbo.resource->mem_type == TTM_PL_TT) ||
(bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT);
/* WA for HW bug */ /* WA for HW bug */
if (is_system || ((bo_adev != adev) && coherent)) if (is_system || ((bo_adev != adev) && coherent))