diff options
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 23 | ||||
| -rw-r--r-- | include/drm/drmP.h | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 29a6dcd674f8..ed2394e1720b 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -917,6 +917,8 @@ EXPORT_SYMBOL(drm_crtc_vblank_count); * vblank events since the system was booted, including lost events due to * modesetting activity. Returns corresponding system timestamp of the time * of the vblank interval that corresponds to the current vblank counter value. + * + * This is the legacy version of drm_crtc_vblank_count_and_time(). */ u32 drm_vblank_count_and_time(struct drm_device *dev, unsigned int pipe, struct timeval *vblanktime) @@ -944,6 +946,27 @@ u32 drm_vblank_count_and_time(struct drm_device *dev, unsigned int pipe, } EXPORT_SYMBOL(drm_vblank_count_and_time); +/** + * drm_crtc_vblank_count_and_time - retrieve "cooked" vblank counter value + * and the system timestamp corresponding to that vblank counter value + * @crtc: which counter to retrieve + * @vblanktime: Pointer to struct timeval to receive the vblank timestamp. + * + * Fetches the "cooked" vblank count value that represents the number of + * vblank events since the system was booted, including lost events due to + * modesetting activity. Returns corresponding system timestamp of the time + * of the vblank interval that corresponds to the current vblank counter value. + * + * This is the native KMS version of drm_vblank_count_and_time(). + */ +u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc, + struct timeval *vblanktime) +{ + return drm_vblank_count_and_time(crtc->dev, drm_crtc_index(crtc), + vblanktime); +} +EXPORT_SYMBOL(drm_crtc_vblank_count_and_time); + static void send_vblank_event(struct drm_device *dev, struct drm_pending_vblank_event *e, unsigned long seq, struct timeval *now) diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 6717a7dcd32e..d0251ac44a50 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -932,6 +932,8 @@ extern u32 drm_vblank_count(struct drm_device *dev, int pipe); extern u32 drm_crtc_vblank_count(struct drm_crtc *crtc); extern u32 drm_vblank_count_and_time(struct drm_device *dev, unsigned int pipe, struct timeval *vblanktime); +extern u32 drm_crtc_vblank_count_and_time(struct drm_crtc *crtc, + struct timeval *vblanktime); extern void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, struct drm_pending_vblank_event *e); extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc, |