From: YiPeng Chai Date: Tue, 22 Jul 2025 06:17:29 +0000 (+0800) Subject: drm/amdgpu: add critical address check for bad page retirement X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=3fc96f60b61cebf8649f557b5134795fbdb00e12;p=users%2Fwilly%2Fxarray.git drm/amdgpu: add critical address check for bad page retirement Add critical address check for bad page retirement. Signed-off-by: YiPeng Chai Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index b75a0dc22ace..1e31ef5592f2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -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)