Merge branch 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux into drm...

Single GPU recovery fix
* 'drm-etnaviv-fixes' of git://git.pengutronix.de/git/lst/linux:
  drm/etnaviv: take GPU lock later in the submit process

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 87ef34150d466903ea128eddf599718eb5836dcb..b382cf505262b186e6b5367321d2b08438f582cc 100644 (file)
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -1333,8 +1333,6 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
        if (ret < 0)
                return ret;
 
-       mutex_lock(&gpu->lock);
-
        /*
         * TODO
         *
@@ -1348,16 +1346,18 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
        if (unlikely(event == ~0U)) {
                DRM_ERROR("no free event\n");
                ret = -EBUSY;
-               goto out_unlock;
+               goto out_pm_put;
        }
 
        fence = etnaviv_gpu_fence_alloc(gpu);
        if (!fence) {
                event_free(gpu, event);
                ret = -ENOMEM;
-               goto out_unlock;
+               goto out_pm_put;
        }
 
+       mutex_lock(&gpu->lock);
+
        gpu->event[event].fence = fence;
        submit->fence = fence->seqno;
        gpu->active_fence = submit->fence;
@@ -1395,9 +1395,9 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
        hangcheck_timer_reset(gpu);
        ret = 0;
 
-out_unlock:
        mutex_unlock(&gpu->lock);
 
+out_pm_put:
        etnaviv_gpu_pm_put(gpu);
 
        return ret;