drm/amdgpu/{uvd,vcn}: fetch ring's read_ptr after alloc

[thirdparty/kernel/stable.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_vcn.c

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index ecf6f96df2ad067054389ed3145f6b388f7997b0..e6b07ece391062343c2a74275ccf96794ce34915 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -594,7 +594,7 @@ error:
 int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
 {
        struct amdgpu_device *adev = ring->adev;
-       uint32_t rptr = amdgpu_ring_get_rptr(ring);
+       uint32_t rptr;
        unsigned i;
        int r;
 
@@ -602,6 +602,8 @@ int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
        if (r)
                return r;
 
+       rptr = amdgpu_ring_get_rptr(ring);
+
        amdgpu_ring_write(ring, VCN_ENC_CMD_END);
        amdgpu_ring_commit(ring);