[PATCH 4/6] drm/irq: Unexport drm_vblank_count

[Philipp Zabel]

Am Montag, den 14.11.2016, 10:02 +0100 schrieb Daniel Vetter:
> No one outside of drm_irq.c should ever need this. The correct way to
> implement get_vblank_count for hw lacking a vblank counter is
> drm_vblank_no_hw_counter. Fix this up in mtk, which is the only
> offender left over.
> 
> Cc: CK Hu <ck.hu at mediatek.com>
> Cc: Philipp Zabel <p.zabel at pengutronix.de>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

Acked-by: Philipp Zabel <p.zabel at pengutronix.de>

regards
Philipp

> ---
>  drivers/gpu/drm/drm_irq.c              | 37 +++++++++-------------------------
>  drivers/gpu/drm/mediatek/mtk_drm_drv.c |  2 +-
>  2 files changed, 11 insertions(+), 28 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
> index 2fb5861b04b7..1681e919b866 100644
> --- a/drivers/gpu/drm/drm_irq.c
> +++ b/drivers/gpu/drm/drm_irq.c
> @@ -234,6 +234,16 @@ static void drm_update_vblank_count(struct drm_device *dev, unsigned int pipe,
>  	store_vblank(dev, pipe, diff, &t_vblank, cur_vblank);
>  }
>  
> +static u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
> +{
> +	struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
> +
> +	if (WARN_ON(pipe >= dev->num_crtcs))
> +		return 0;
> +
> +	return vblank->count;
> +}
> +
>  /**
>   * drm_accurate_vblank_count - retrieve the master vblank counter
>   * @crtc: which counter to retrieve
> @@ -888,31 +898,6 @@ drm_get_last_vbltimestamp(struct drm_device *dev, unsigned int pipe,
>  }
>  
>  /**
> - * drm_vblank_count - retrieve "cooked" vblank counter value
> - * @dev: DRM device
> - * @pipe: index of CRTC for which to retrieve the counter
> - *
> - * 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.
> - *
> - * This is the legacy version of drm_crtc_vblank_count().
> - *
> - * Returns:
> - * The software vblank counter.
> - */
> -u32 drm_vblank_count(struct drm_device *dev, unsigned int pipe)
> -{
> -	struct drm_vblank_crtc *vblank = &dev->vblank[pipe];
> -
> -	if (WARN_ON(pipe >= dev->num_crtcs))
> -		return 0;
> -
> -	return vblank->count;
> -}
> -EXPORT_SYMBOL(drm_vblank_count);
> -
> -/**
>   * drm_crtc_vblank_count - retrieve "cooked" vblank counter value
>   * @crtc: which counter to retrieve
>   *
> @@ -920,8 +905,6 @@ EXPORT_SYMBOL(drm_vblank_count);
>   * vblank events since the system was booted, including lost events due to
>   * modesetting activity.
>   *
> - * This is the native KMS version of drm_vblank_count().
> - *
>   * Returns:
>   * The software vblank counter.
>   */
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index d90152e85ed0..4b7fe7eaec01 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -256,7 +256,7 @@ static struct drm_driver mtk_drm_driver = {
>  	.driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME |
>  			   DRIVER_ATOMIC,
>  
> -	.get_vblank_counter = drm_vblank_count,
> +	.get_vblank_counter = drm_vblank_no_hw_counter,
>  	.enable_vblank = mtk_drm_crtc_enable_vblank,
>  	.disable_vblank = mtk_drm_crtc_disable_vblank,
>