diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-06-01 17:51:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-06-01 17:51:08 +0200 |
| commit | 1bab7eea6ecd7325ed62daecc8cd3a8f5b20f26f (patch) | |
| tree | f9a23c140fe90e3959231d1f5e4b6e4e218895a3 /include/drm/drm_vblank.h | |
| parent | 799289456aa4a482feecff17333b1113a963511b (diff) | |
| parent | 18ad16ce4a6b2714583fd1e1044c6ea8e53b3519 (diff) | |
Merge v6.18.34linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/drm/drm_vblank.h')
| -rw-r--r-- | include/drm/drm_vblank.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h index 151ab1e85b1b..ffa564d79638 100644 --- a/include/drm/drm_vblank.h +++ b/include/drm/drm_vblank.h @@ -25,6 +25,7 @@ #define _DRM_VBLANK_H_ #include <linux/seqlock.h> +#include <linux/hrtimer.h> #include <linux/idr.h> #include <linux/poll.h> #include <linux/kthread.h> @@ -104,6 +105,28 @@ struct drm_vblank_crtc_config { }; /** + * struct drm_vblank_crtc_timer - vblank timer for a CRTC + */ +struct drm_vblank_crtc_timer { + /** + * @timer: The vblank's high-resolution timer + */ + struct hrtimer timer; + /** + * @interval_lock: Protects @interval + */ + spinlock_t interval_lock; + /** + * @interval: Duration between two vblanks + */ + ktime_t interval; + /** + * @crtc: The timer's CRTC + */ + struct drm_crtc *crtc; +}; + +/** * struct drm_vblank_crtc - vblank tracking for a CRTC * * This structure tracks the vblank state for one CRTC. @@ -254,6 +277,11 @@ struct drm_vblank_crtc { * cancelled. */ wait_queue_head_t work_wait_queue; + + /** + * @vblank_timer: Holds the state of the vblank timer + */ + struct drm_vblank_crtc_timer vblank_timer; }; struct drm_vblank_crtc *drm_crtc_vblank_crtc(struct drm_crtc *crtc); @@ -290,6 +318,10 @@ wait_queue_head_t *drm_crtc_vblank_waitqueue(struct drm_crtc *crtc); void drm_crtc_set_max_vblank_count(struct drm_crtc *crtc, u32 max_vblank_count); +int drm_crtc_vblank_start_timer(struct drm_crtc *crtc); +void drm_crtc_vblank_cancel_timer(struct drm_crtc *crtc); +void drm_crtc_vblank_get_vblank_timeout(struct drm_crtc *crtc, ktime_t *vblank_time); + /* * Helpers for struct drm_crtc_funcs */ |