[Intel-gfx] [PATCH v2 06/12] drm/mediatek: Handle drm_atomic_helper_swap_state failure
Maarten Lankhorst
maarten.lankhorst at linux.intel.com
Tue Jul 11 14:33:08 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: CK Hu <ck.hu at mediatek.com>
Cc: Philipp Zabel <p.zabel at pengutronix.de>
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-mediatek at lists.infradead.org
---
drivers/gpu/drm/mediatek/mtk_drm_drv.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
index 56f802d0a51c..9a130c84c861 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
@@ -109,7 +109,12 @@ static int mtk_atomic_commit(struct drm_device *drm,
mutex_lock(&private->commit.lock);
flush_work(&private->commit.work);
- drm_atomic_helper_swap_state(state, true);
+ ret = drm_atomic_helper_swap_state(state, true);
+ if (ret) {
+ mutex_unlock(&private->commit.lock);
+ drm_atomic_helper_cleanup_planes(drm, state);
+ return ret;
+ }
drm_atomic_state_get(state);
if (async)
--
2.11.0
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