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drm/atomic: Add missing drm_atomic_state_clear to atomic_remove_fb

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All atomic state should be cleared when drm_modeset_backoff() is
called, because it drops all locks and the state becomes invalid.

The call to drm_atomic_state_clear was missing in atomic_remove_fb,
so add the missing call there.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170629115954.26029-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes: db8f6403e8 ("drm: Convert drm_framebuffer_remove to atomic, v4.")
Cc: stable@vger.kernel.org # v4.12-rc1+
This commit is contained in:
Maarten Lankhorst 2017-06-29 13:59:54 +02:00
parent 138b87fa43
commit 4086d90cff
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/drm_framebuffer.c
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@ -832,6 +832,7 @@ unlock:
drm_atomic_clean_old_fb(dev, plane_mask, ret);
if (ret == -EDEADLK) {
drm_atomic_state_clear(state);
drm_modeset_backoff(&ctx);
goto retry;
}