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drm/fb-helper: atomic restore_fbdev_mode()..

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Add support for using atomic code-paths for restore_fbdev_mode().

Signed-off-by: Rob Clark <robdclark@gmail.com>
[danvet: Bikeshed comments slightly.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Rob Clark
2015-08-25 15:35:58 -04:00
committed by Daniel Vetter
parent 9685cd9df7
commit bbb1e52402
4 changed files with 185 additions and 70 deletions
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11
include/drm/drm_fb_helper.h
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@@ -134,6 +134,17 @@ struct drm_fb_helper {
/* we got a hotplug but fbdev wasn't running the console
delay until next set_par */
bool delayed_hotplug;
/**
* @atomic:
*
* Use atomic updates for restore_fbdev_mode(), etc. This defaults to
* true if driver has DRIVER_ATOMIC feature flag, but drivers can
* override it to true after drm_fb_helper_init() if they support atomic
* modeset but do not yet advertise DRIVER_ATOMIC (note that fb-helper
* does not require ASYNC commits).
*/
bool atomic;
};
#ifdef CONFIG_DRM_FBDEV_EMULATION