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Commit f2b0feeb authored by Maarten Lankhorst's avatar Maarten Lankhorst Committed by Daniel Vetter
Browse files

drm/atomic: Remove drm_atomic_helper_framebuffer_changed. 



This function is now completely unused, zap it.

Signed-off-by: default avatarMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1481204729-9058-6-git-send-email-maarten.lankhorst@linux.intel.com
parent a3fbb53f

drivers/gpu/drm/drm_atomic_helper.c

+0 −35
Original line number Diff line number Diff line
@@ -1064,41 +1064,6 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev, 
}

EXPORT_SYMBOL(drm_atomic_helper_wait_for_fences);



/**

 * drm_atomic_helper_framebuffer_changed - check if framebuffer has changed

 * @dev: DRM device

 * @old_state: atomic state object with old state structures

 * @crtc: DRM crtc

 *

 * Checks whether the framebuffer used for this CRTC changes as a result of

 * the atomic update.  This is useful for drivers which cannot use

 * drm_atomic_helper_wait_for_vblanks() and need to reimplement its

 * functionality.

 *

 * Returns:

 * true if the framebuffer changed.

 */

bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,

					   struct drm_atomic_state *old_state,

					   struct drm_crtc *crtc)

{

	struct drm_plane *plane;

	struct drm_plane_state *old_plane_state;

	int i;



	for_each_plane_in_state(old_state, plane, old_plane_state, i) {

		if (plane->state->crtc != crtc &&

		    old_plane_state->crtc != crtc)

			continue;



		if (plane->state->fb != old_plane_state->fb)

			return true;

	}



	return false;

}

EXPORT_SYMBOL(drm_atomic_helper_framebuffer_changed);



/**

 * drm_atomic_helper_wait_for_vblanks - wait for vblank on crtcs

 * @dev: DRM device

include/drm/drm_atomic_helper.h

+0 −3
Original line number Diff line number Diff line
@@ -48,9 +48,6 @@ int drm_atomic_helper_commit(struct drm_device *dev, 
int drm_atomic_helper_wait_for_fences(struct drm_device *dev,

					struct drm_atomic_state *state,

					bool pre_swap);

bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,

					   struct drm_atomic_state *old_state,

					   struct drm_crtc *crtc);



void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,

					struct drm_atomic_state *old_state);