[PATCH 10/10 v3] drm/amdgpu: reduce redundant uvd context lost warning message

Le Ma le.ma at amd.com
Wed Nov 27 10:53:07 UTC 2019


Move the print out of uvd instance loop in amdgpu_uvd_suspend

v2: drop unnecessary brackets
v3: grab ras_intr state once for multiple times use

Change-Id: Ifad997debd84763e1b55d668e144b729598f115e
Signed-off-by: Le Ma <le.ma at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
index e324bfe..d587ffe 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
@@ -349,6 +349,7 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 	unsigned size;
 	void *ptr;
 	int i, j;
+	bool in_ras_intr = amdgpu_ras_intr_triggered();
 
 	cancel_delayed_work_sync(&adev->uvd.idle_work);
 
@@ -376,13 +377,15 @@ int amdgpu_uvd_suspend(struct amdgpu_device *adev)
 			return -ENOMEM;
 
 		/* re-write 0 since err_event_athub will corrupt VCPU buffer */
-		if (amdgpu_ras_intr_triggered()) {
-			DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
+		if (in_ras_intr)
 			memset(adev->uvd.inst[j].saved_bo, 0, size);
-		} else {
+		else
 			memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
-		}
 	}
+
+	if (in_ras_intr)
+		DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
+
 	return 0;
 }
 
-- 
2.7.4



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