Pass DRM_MODESET_ACQUIRE_INTERRUPTIBLE to acquire_init, and handle
drm_modeset_backoff which can now fail by returning the error.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
---
drivers/gpu/drm/drm_plane.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c
index eef58595101c..803d67c22da2 100644
--- a/drivers/gpu/drm/drm_plane.c
+++ b/drivers/gpu/drm/drm_plane.c
@@ -667,7 +667,7 @@ static int setplane_internal(struct drm_plane *plane,
struct drm_modeset_acquire_ctx ctx;
int ret;
- drm_modeset_acquire_init(&ctx, 0);
+ drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
retry:
ret = drm_modeset_lock_all_ctx(plane->dev, &ctx);
if (ret)
@@ -678,8 +678,9 @@ static int setplane_internal(struct drm_plane *plane,
fail:
if (ret == -EDEADLK) {
- drm_modeset_backoff(&ctx);
- goto retry;
+ ret = drm_modeset_backoff(&ctx);
+ if (!ret)
+ goto retry;
}
drm_modeset_drop_locks(&ctx);
drm_modeset_acquire_fini(&ctx);
--
2.14.1
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