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drm/tegra: Handle drm_atomic_helper_swap_state failure

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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@linux.intel.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-9-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Maarten Lankhorst 2017-07-11 16:33:10 +02:00 committed by Daniel Vetter
parent 771f14c5cc
commit 424624ea68
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/tegra/drm.c
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@ -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)