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Commit cfc5adea authored by Daniel Vetter's avatar Daniel Vetter Committed by Sean Paul
Browse files

drm: Make sure drm_vblank_no_hw_counter isn't abused 



Shouldn't be possible since everyone kzallocs this, but better safe
than sorry. Random drive-by-idea really.

Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@intel.com>
Reviewed-by: default avatarRodrigo Vivi <rdorigo.vivi@intel.com>
Signed-off-by: default avatarSean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1470673493-14304-1-git-send-email-daniel.vetter@ffwll.ch
parent ac08500c

drivers/gpu/drm/drm_irq.c

+1 −0
Original line number Diff line number Diff line
@@ -1826,6 +1826,7 @@ EXPORT_SYMBOL(drm_crtc_handle_vblank); 
 */

u32 drm_vblank_no_hw_counter(struct drm_device *dev, unsigned int pipe)

{

	WARN_ON_ONCE(dev->max_vblank_count != 0);

	return 0;

}

EXPORT_SYMBOL(drm_vblank_no_hw_counter);