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drm: omapdrm: Cancel pending page flips when closing device

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Pending page flips must be cancelled when closing the device, otherwise
their completion at next vblank will result in nasty effects, including
possible oopses due to resources required to complete the page flip
being freed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Laurent Pinchart
2015-01-18 16:57:36 +02:00
parent f13ab00567
commit 1d5e5ea1f6
3 changed files with 27 additions and 1 deletions
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1
drivers/gpu/drm/omapdrm/omap_drv.h
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@@ -136,6 +136,7 @@ const struct omap_video_timings *omap_crtc_timings(struct drm_crtc *crtc);
enum omap_channel omap_crtc_channel(struct drm_crtc *crtc);
int omap_crtc_flush(struct drm_crtc *crtc);
int omap_crtc_queue_unpin(struct drm_crtc *crtc, struct drm_framebuffer *fb);
void omap_crtc_cancel_page_flip(struct drm_crtc *crtc, struct drm_file *file);
void omap_crtc_pre_init(void);
void omap_crtc_pre_uninit(void);
struct drm_crtc *omap_crtc_init(struct drm_device *dev,