drm/crtc: Convert setcrtc ioctl locking to interruptible.
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Tue, 12 Sep 2017 13:37:49 +0000 (15:37 +0200)
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Wed, 13 Sep 2017 07:52:05 +0000 (09:52 +0200)
commit3fa6a073542fec11f388d687a4db5c64e1e347a4
treef68e2caf381d08c1a7a022dcefdd8f8bc5b719f9
parentc2e4ff34f4a7631380fcae1b7381e24e9bc1345e
drm/crtc: Convert setcrtc ioctl locking to interruptible.

Pass DRM_MODESET_ACQUIRE_INTERRUPTIBLE to acquire_init, and handle
drm_modeset_backoff which can now fail by returning the error.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170912133749.6532-7-maarten.lankhorst@linux.intel.com
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
drivers/gpu/drm/drm_crtc.c