diff options
| author | Natalie Vock <natalie.vock@gmx.de> | 2025-03-10 18:08:05 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-03-12 14:59:21 -0400 |
| commit | 6cc30748e17ea2a64051ceaf83a8372484e597f1 (patch) | |
| tree | 6a7415f4b8216671b542c17d38a9575ff5473dc5 /drivers/gpu/drm | |
| parent | 0882ca4eecfe8b0013f339144acf886a0a0de41f (diff) | |
drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags
PRT BOs may not have any backing store, so bo->tbo.resource will be
NULL. Check for that before dereferencing.
Fixes: 0cce5f285d9a ("drm/amdkfd: Check correct memory types for is_system variable")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Natalie Vock <natalie.vock@gmx.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
Cc: stable@vger.kernel.org # 6.12.x
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index b749f1c3f6a9..0fb88e6d5d54 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -528,8 +528,9 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev, bo_adev = amdgpu_ttm_adev(bo->tbo.bdev); coherent = bo->flags & AMDGPU_GEM_CREATE_COHERENT; - is_system = (bo->tbo.resource->mem_type == TTM_PL_TT) || - (bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT); + is_system = bo->tbo.resource && + (bo->tbo.resource->mem_type == TTM_PL_TT || + bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT); if (bo && bo->flags & AMDGPU_GEM_CREATE_GFX12_DCC) *flags |= AMDGPU_PTE_DCC; |