[Intel-gfx] [PATCH v2 08/12] drm/tegra: Handle drm_atomic_helper_swap_state failure
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Tue Jul 11 14:33:10 UTC 2017
drm_atomic_helper_swap_state() will be changed to interruptible waiting
in the next few commits, so all drivers have to be changed to handling
failure.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Jonathan Hunter <jonathanh at nvidia.com>
Cc: linux-tegra at vger.kernel.org
---
drivers/gpu/drm/tegra/drm.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c
index ad3d124a972d..3ba659a5940d 100644
--- a/drivers/gpu/drm/tegra/drm.c
+++ b/drivers/gpu/drm/tegra/drm.c
@@ -100,7 +100,12 @@ static int tegra_atomic_commit(struct drm_device *drm,
* the software side now.
*/
- drm_atomic_helper_swap_state(state, true);
+ err = drm_atomic_helper_swap_state(state, true);
+ if (err) {
+ mutex_unlock(&tegra->commit.lock);
+ drm_atomic_helper_cleanup_planes(drm, state);
+ return err;
+ }
drm_atomic_state_get(state);
if (nonblock)
--
2.11.0
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