1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3254-drm-amdgpu-only-uncorrectable-error-needs-gpu-reset.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3254-drm-amdgpu-only-uncorrectable-error-needs-gpu-reset.patch
new file mode 100644
index 00000000..b414e0a9
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3254-drm-amdgpu-only-uncorrectable-error-needs-gpu-reset.patch
@@ -0,0 +1,37 @@
+From a4c63985afc13da200995bd6994088b58675f6c7 Mon Sep 17 00:00:00 2001
+From: Tao Zhou <tao.zhou1@amd.com>
+Date: Thu, 1 Aug 2019 12:52:54 +0800
+Subject: [PATCH 3254/4256] drm/amdgpu: only uncorrectable error needs gpu
+ reset
+
+we only read error information for correctable error in interrupt
+handler, gpu reset is unnecessary since there is no data lost
+in correctable error
+
+Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
+Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+index 656cd11ccadf..fd23d9081286 100644
+--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
++++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+@@ -250,7 +250,11 @@ static int gmc_v9_0_process_ras_data_cb(struct amdgpu_device *adev,
+ 	 */
+ 	if (adev->umc.funcs->query_ras_error_address)
+ 		adev->umc.funcs->query_ras_error_address(adev, err_data);
+-	amdgpu_ras_reset_gpu(adev, 0);
++
++	/* only uncorrectable error needs gpu reset */
++	if (err_data->ue_count)
++		amdgpu_ras_reset_gpu(adev, 0);
++
+ 	return AMDGPU_RAS_UE;
+ }
+ 
+-- 
+2.17.1
+