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drm/amd/amdgpu: Check tbo resource pointer

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Validate tbo resource pointer, skip if NULL

Signed-off-by: Asad Kamal <asad.kamal@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Asad Kamal
2024-04-26 02:26:55 +08:00
committed by Alex Deucher
parent 188fd1616e
commit 6cd2b87264
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@@ -5012,7 +5012,8 @@ static int amdgpu_device_recover_vram(struct amdgpu_device *adev)
shadow = vmbo->shadow;
/* No need to recover an evicted BO */
if (shadow->tbo.resource->mem_type != TTM_PL_TT ||
if (!shadow->tbo.resource ||
shadow->tbo.resource->mem_type != TTM_PL_TT ||
shadow->tbo.resource->start == AMDGPU_BO_INVALID_OFFSET ||
shadow->parent->tbo.resource->mem_type != TTM_PL_VRAM)
continue;