On Tue, 2017-07-11 at 16:33 +0200, Maarten Lankhorst wrote:
> 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@xxxxxxxxxxxxxxx>
> Cc: CK Hu <ck.hu@xxxxxxxxxxxx>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-mediatek@xxxxxxxxxxxxxxxxxxx
> ---
> 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)
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
regards
Philipp
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