Commit 3fc96f60 authored by YiPeng Chai's avatar YiPeng Chai Committed by Alex Deucher
Browse files

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



Add critical address check for bad page retirement.

Signed-off-by: default avatarYiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent faab5ea0

drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c

+8 −0
Original line number Diff line number Diff line
@@ -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)