st/vdpau: add device reference counting

This fixes an issue with flash where it tries to destroy a decoder
after already destroying the device associated with the decoder.

Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=82517

Signed-off-by: Christian König <[email protected]>
Acked-by: Ilia Mirkin <[email protected]>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gallium/state_trackers/vdpau/mixer.c b/src/gallium/state_trackers/vdpau/mixer.c
index e6bfb8cbc43..a724aa5b254 100644
--- a/src/gallium/state_trackers/vdpau/mixer.c
+++ b/src/gallium/state_trackers/vdpau/mixer.c
@@ -60,7 +60,7 @@ vlVdpVideoMixerCreate(VdpDevice device,
    if (!vmixer)
       return VDP_STATUS_RESOURCES;
 
-   vmixer->device = dev;
+   DeviceReference(&vmixer->device, dev);
 
    pipe_mutex_lock(dev->mutex);
 
@@ -160,6 +160,7 @@ no_params:
 no_handle:
    vl_compositor_cleanup_state(&vmixer->cstate);
    pipe_mutex_unlock(dev->mutex);
+   DeviceReference(&vmixer->device, NULL);
    FREE(vmixer);
    return ret;
 }
@@ -199,6 +200,7 @@ vlVdpVideoMixerDestroy(VdpVideoMixer mixer)
       FREE(vmixer->sharpness.filter);
    }
    pipe_mutex_unlock(vmixer->device->mutex);
+   DeviceReference(&vmixer->device, NULL);
 
    FREE(vmixer);