Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5ee3229c authored by Rob Clark's avatar Rob Clark Committed by Dave Airlie
Browse files

drm: export atomic wait_for_vblanks helper (v2) 



v1: original
v2: danvet's kerneldoc nitpicks

Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 51b44eb1

drivers/gpu/drm/drm_atomic_helper.c

+14 −3
Original line number Diff line number Diff line
@@ -754,8 +754,18 @@ static void wait_for_fences(struct drm_device *dev, 
	}

}



static void

wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state)

/**

 * drm_atomic_helper_wait_for_vblanks - wait for vblank on crtcs

 * @dev: DRM device

 * @old_state: atomic state object with old state structures

 *

 * Helper to, after atomic commit, wait for vblanks on all effected

 * crtcs (ie. before cleaning up old framebuffers using

 * drm_atomic_helper_cleanup_planes())

 */

void

drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,

		struct drm_atomic_state *old_state)

{

	struct drm_crtc *crtc;

	struct drm_crtc_state *old_crtc_state;
@@ -800,6 +810,7 @@ wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state) 
		drm_crtc_vblank_put(crtc);

	}

}

EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks);



/**

 * drm_atomic_helper_commit - commit validated state object
@@ -859,7 +870,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, 


	drm_atomic_helper_commit_post_planes(dev, state);



	wait_for_vblanks(dev, state);

	drm_atomic_helper_wait_for_vblanks(dev, state);



	drm_atomic_helper_cleanup_planes(dev, state);

include/drm/drm_atomic_helper.h

+3 −0
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ int drm_atomic_helper_commit(struct drm_device *dev, 
			     struct drm_atomic_state *state,

			     bool async);



void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,

					struct drm_atomic_state *old_state);



void drm_atomic_helper_commit_pre_planes(struct drm_device *dev,

					 struct drm_atomic_state *state);

void drm_atomic_helper_commit_post_planes(struct drm_device *dev,