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Commit 115ebcd4 authored by Thierry Reding's avatar Thierry Reding
Browse files

drm/irq: Add drm_crtc_handle_vblank() 



This function is the KMS native variant of drm_handle_vblank(). It takes
a struct drm_crtc * instead of a struct drm_device * and an index of the
CRTC.

Eventually the goal is to access vblank data through the CRTC only so
that the per-CRTC data can be moved to struct drm_crtc.

Reviewed-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent a4d7b30d

drivers/gpu/drm/drm_irq.c

+20 −0
Original line number Original line Diff line number Diff line
@@ -1613,6 +1613,8 @@ static void drm_handle_vblank_events(struct drm_device *dev, int crtc) 
 *

 *

 * Drivers should call this routine in their vblank interrupt handlers to

 * Drivers should call this routine in their vblank interrupt handlers to

 * update the vblank counter and send any signals that may be pending.

 * update the vblank counter and send any signals that may be pending.

 *

 * This is the legacy version of drm_crtc_handle_vblank().

 */

 */

bool drm_handle_vblank(struct drm_device *dev, int crtc)

bool drm_handle_vblank(struct drm_device *dev, int crtc)

{

{
@@ -1689,3 +1691,21 @@ bool drm_handle_vblank(struct drm_device *dev, int crtc) 
	return true;

	return true;

}

}

EXPORT_SYMBOL(drm_handle_vblank);

EXPORT_SYMBOL(drm_handle_vblank);



/**

 * drm_crtc_handle_vblank - handle a vblank event

 * @crtc: where this event occurred

 *

 * Drivers should call this routine in their vblank interrupt handlers to

 * update the vblank counter and send any signals that may be pending.

 *

 * This is the native KMS version of drm_handle_vblank().

 *

 * Returns:

 * True if the event was successfully handled, false on failure.

 */

bool drm_crtc_handle_vblank(struct drm_crtc *crtc)

{

	return drm_handle_vblank(crtc->dev, drm_crtc_index(crtc));

}

EXPORT_SYMBOL(drm_crtc_handle_vblank);

include/drm/drmP.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -908,6 +908,7 @@ extern void drm_send_vblank_event(struct drm_device *dev, int crtc, 
extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc,

extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc,

				       struct drm_pending_vblank_event *e);

				       struct drm_pending_vblank_event *e);

extern bool drm_handle_vblank(struct drm_device *dev, int crtc);

extern bool drm_handle_vblank(struct drm_device *dev, int crtc);

extern bool drm_crtc_handle_vblank(struct drm_crtc *crtc);

extern int drm_vblank_get(struct drm_device *dev, int crtc);

extern int drm_vblank_get(struct drm_device *dev, int crtc);

extern void drm_vblank_put(struct drm_device *dev, int crtc);

extern void drm_vblank_put(struct drm_device *dev, int crtc);

extern int drm_crtc_vblank_get(struct drm_crtc *crtc);

extern int drm_crtc_vblank_get(struct drm_crtc *crtc);