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drm/amdgpu: add critical address check for bad page retirement

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Add critical address check for bad page retirement.

Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
YiPeng Chai
2025-07-22 14:17:29 +08:00
committed by Alex Deucher
parent faab5ea083
commit 3fc96f60b6
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
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@@ -2637,6 +2637,11 @@ static int amdgpu_ras_badpages_read(struct amdgpu_device *adev,
.size = AMDGPU_GPU_PAGE_SIZE,
.flags = AMDGPU_RAS_RETIRE_PAGE_RESERVED,
};
if (amdgpu_ras_check_critical_address(adev,
data->bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT))
continue;
status = amdgpu_vram_mgr_query_page_status(&adev->mman.vram_mgr,
data->bps[i].retired_page << AMDGPU_GPU_PAGE_SHIFT);
if (status == -EBUSY)
@@ -5356,6 +5361,9 @@ int amdgpu_ras_reserve_page(struct amdgpu_device *adev, uint64_t pfn)
uint64_t start = pfn << AMDGPU_GPU_PAGE_SHIFT;
int ret = 0;
if (amdgpu_ras_check_critical_address(adev, start))
return 0;
mutex_lock(&con->page_rsv_lock);
ret = amdgpu_vram_mgr_query_page_status(mgr, start);
if (ret == -ENOENT)