[AMD Official Use Only - AMD Internal Distribution Only]
Series is
Reviewed-by: Hawking Zhang <hawking.zh...@amd.com>
Regards,
Hawking
-----Original Message-----
From: Chai, Thomas <yipeng.c...@amd.com>
Sent: Wednesday, July 23, 2025 15:38
To: amd-gfx@lists.freedesktop.org
Cc: Chai, Thomas <yipeng.c...@amd.com>; Zhang, Hawking <hawking.zh...@amd.com>;
Zhou1, Tao <tao.zh...@amd.com>; Yang, Stanley <stanley.y...@amd.com>; Chai,
Thomas <yipeng.c...@amd.com>
Subject: [PATCH 2/2] drm/amdgpu: add critical address check for bad page
retirement
Add critical address check for bad page retirement.
Signed-off-by: YiPeng Chai <yipeng.c...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index 0ad3a9eedfd2..a1062b23d0b4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2660,6 +2660,11 @@ 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)
@@ -5406,6 +5411,9 @@ 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)
--
2.34.1
