[PATCH 1/2] drm/radeon: activate UVD clocks before sending the destroy msg

[Christian König]

From: Christian K?nig <christian.koe...@amd.com>

Make sure the UVD clocks are still active before sending
the destroy message, otherwise the hw might hang.

Signed-off-by: Christian K?nig <christian.koenig at amd.com>
Cc: stable at vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_uvd.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c 
b/drivers/gpu/drm/radeon/radeon_uvd.c
index 308eff5..a56dfe4 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -240,6 +240,8 @@ void radeon_uvd_free_handles(struct radeon_device *rdev, 
struct drm_file *filp)
                if (handle != 0 && rdev->uvd.filp[i] == filp) {
                        struct radeon_fence *fence;

+                       radeon_uvd_note_usage(rdev);
+
                        r = radeon_uvd_get_destroy_msg(rdev,
                                R600_RING_TYPE_UVD_INDEX, handle, &fence);
                        if (r) {
-- 
1.8.1.2