[PATCH 4/8] drm/amdgpu: Skip uvd and vce ring test for SRIOV

Xiangliang.Yu Xiangliang.Yu at amd.com
Tue Jul 25 09:17:21 UTC 2017


From: Frank Min <Frank.Min at amd.com>

Since rptr would not be accessed on later secure asics in sriov, remove
the ring test.

Signed-off-by: Frank Min <Frank.Min at amd.com>
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 4 ++--
 drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c   | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index b692ad4..c855366 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -937,9 +937,9 @@ int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
 	unsigned i;
 	int r, timeout = adev->usec_timeout;
 
-	/* workaround VCE ring test slow issue for sriov*/
+	/* skip ring test for sriov*/
 	if (amdgpu_sriov_vf(adev))
-		timeout *= 10;
+		return 0;
 
 	r = amdgpu_ring_alloc(ring, 16);
 	if (r) {
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index fbf7b412..ab447e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -165,6 +165,9 @@ static int uvd_v7_0_enc_ring_test_ring(struct amdgpu_ring *ring)
 	unsigned i;
 	int r;
 
+	if (amdgpu_sriov_vf(adev))
+		return 0;
+
 	r = amdgpu_ring_alloc(ring, 16);
 	if (r) {
 		DRM_ERROR("amdgpu: uvd enc failed to lock ring %d (%d).\n",
-- 
2.7.4



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