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| author | Thierry Reding <treding@nvidia.com> | 2014-12-15 14:47:18 +0100 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-12-17 14:27:33 +0100 |
| commit | a4d7b30df5d10bca92f8f359fc56fb8db0410f89 (patch) | |
| tree | d3f2ad6c26670ddb586b76f0654a8b49ff6d2a1d | |
| parent | 4e0cd68115620bc3236ff4e58e4c073948629b41 (diff) | |
| download | linux-a4d7b30df5d10bca92f8f359fc56fb8db0410f89.tar.gz linux-a4d7b30df5d10bca92f8f359fc56fb8db0410f89.tar.xz | |
drm/irq: Add drm_crtc_send_vblank_event()
This function is the KMS native variant of drm_send_vblank_event(). 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: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 19 | ||||
| -rw-r--r-- | include/drm/drmP.h | 2 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index f5a5f18efa5b..276301081aa5 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -904,6 +904,8 @@ static void send_vblank_event(struct drm_device *dev, * * Updates sequence # and timestamp on event, and sends it to userspace. * Caller must hold event lock. + * + * This is the legacy version of drm_crtc_send_vblank_event(). */ void drm_send_vblank_event(struct drm_device *dev, int crtc, struct drm_pending_vblank_event *e) @@ -923,6 +925,23 @@ void drm_send_vblank_event(struct drm_device *dev, int crtc, EXPORT_SYMBOL(drm_send_vblank_event); /** + * drm_crtc_send_vblank_event - helper to send vblank event after pageflip + * @crtc: the source CRTC of the vblank event + * @e: the event to send + * + * Updates sequence # and timestamp on event, and sends it to userspace. + * Caller must hold event lock. + * + * This is the native KMS version of drm_send_vblank_event(). + */ +void drm_crtc_send_vblank_event(struct drm_crtc *crtc, + struct drm_pending_vblank_event *e) +{ + drm_send_vblank_event(crtc->dev, drm_crtc_index(crtc), e); +} +EXPORT_SYMBOL(drm_crtc_send_vblank_event); + +/** * drm_vblank_enable - enable the vblank interrupt on a CRTC * @dev: DRM device * @crtc: CRTC in question diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 8ba35c622e22..b78601bb7c46 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -905,6 +905,8 @@ extern u32 drm_vblank_count_and_time(struct drm_device *dev, int crtc, struct timeval *vblanktime); extern void drm_send_vblank_event(struct drm_device *dev, int crtc, struct drm_pending_vblank_event *e); +extern void drm_crtc_send_vblank_event(struct drm_crtc *crtc, + struct drm_pending_vblank_event *e); extern bool drm_handle_vblank(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); |