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 <christian.koenig@amd.com>
Acked-by: Ilia Mirkin <imirkin@alum.mit.edu>

1 files changed, 3 insertions, 1 deletions

diff --git a/src/gallium/state_trackers/vdpau/presentation.c b/src/gallium/state_trackers/vdpau/presentation.c
index cb6cb38..7f8dbed 100644
--- a/src/gallium/state_trackers/vdpau/presentation.c
+++ b/src/gallium/state_trackers/vdpau/presentation.c
@@ -62,7 +62,7 @@ vlVdpPresentationQueueCreate(VdpDevice device,
    if (!pq)
       return VDP_STATUS_RESOURCES;
 
-   pq->device = dev;
+   DeviceReference(&pq->device, dev);
    pq->drawable = pqt->drawable;
 
    pipe_mutex_lock(dev->mutex);
@@ -83,6 +83,7 @@ vlVdpPresentationQueueCreate(VdpDevice device,
 
 no_handle:
 no_compositor:
+   DeviceReference(&pq->device, NULL);
    FREE(pq);
    return ret;
 }
@@ -104,6 +105,7 @@ vlVdpPresentationQueueDestroy(VdpPresentationQueue presentation_queue)
    pipe_mutex_unlock(pq->device->mutex);
 
    vlRemoveDataHTAB(presentation_queue);
+   DeviceReference(&pq->device, NULL);
    FREE(pq);
 
    return VDP_STATUS_OK;