On Thu, Sep 24, 2015 at 06:35:36PM +0200, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> This function is the KMS native variant of drm_vblank_count_and_time().
> 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.
>
> Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
Applied to drm-misc, thanks.
-Daniel
> ---
> drivers/gpu/drm/drm_irq.c | 23 +++++++++++++++++++++++
> include/drm/drmP.h | 2 ++
> 2 files changed, 25 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
> index 525bd82ab514..d81e3724cca3 100644
> --- a/drivers/gpu/drm/drm_irq.c
> +++ b/drivers/gpu/drm/drm_irq.c
> @@ -909,6 +909,8 @@ 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)
> @@ -936,6 +938,27 @@ 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 ce693a1366c1..53960444a423 100644
> --- a/include/drm/drmP.h
> +++ b/include/drm/drmP.h
> @@ -889,6 +889,8 @@ extern u32 drm_vblank_count(struct drm_device *dev, unsigned 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,
> --
> 2.5.0
>
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> http://lists.freedesktop.org/mailman/listinfo/dri-devel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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