[PATCH 3/6] drm: mediatek: use crtc helper drm_crtc_from_index()

[Sean Paul]

On Mon, Jan 9, 2017 at 6:25 AM, Shawn Guo <shawnguo at kernel.org> wrote:
> From: Shawn Guo <shawn.guo at linaro.org>
>
> Use drm_crtc_from_index() to find drm_crtc for given index, so that we
> do not need to maintain a pointer array in struct mtk_drm_private.
>
> Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
> Cc: CK Hu <ck.hu at mediatek.com>


Applied to drm-misc-next

Thanks!

Sean

> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 9 ++++-----
>  drivers/gpu/drm/mediatek/mtk_drm_drv.h  | 1 -
>  2 files changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 01a21dd835b5..a73de1e669c2 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -170,8 +170,8 @@ static void mtk_drm_crtc_mode_set_nofb(struct drm_crtc *crtc)
>
>  int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe)
>  {
> -       struct mtk_drm_private *priv = drm->dev_private;
> -       struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(priv->crtc[pipe]);
> +       struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
> +       struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
>         struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
>
>         mtk_ddp_comp_enable_vblank(ovl, &mtk_crtc->base);
> @@ -181,8 +181,8 @@ int mtk_drm_crtc_enable_vblank(struct drm_device *drm, unsigned int pipe)
>
>  void mtk_drm_crtc_disable_vblank(struct drm_device *drm, unsigned int pipe)
>  {
> -       struct mtk_drm_private *priv = drm->dev_private;
> -       struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(priv->crtc[pipe]);
> +       struct drm_crtc *crtc = drm_crtc_from_index(drm, pipe);
> +       struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc);
>         struct mtk_ddp_comp *ovl = mtk_crtc->ddp_comp[0];
>
>         mtk_ddp_comp_disable_vblank(ovl);
> @@ -588,7 +588,6 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev,
>                 goto unprepare;
>         drm_mode_crtc_set_gamma_size(&mtk_crtc->base, MTK_LUT_SIZE);
>         drm_crtc_enable_color_mgmt(&mtk_crtc->base, 0, false, MTK_LUT_SIZE);
> -       priv->crtc[pipe] = &mtk_crtc->base;
>         priv->num_pipes++;
>
>         return 0;
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.h b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> index aa9389446785..df322a7a5fcb 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.h
> @@ -32,7 +32,6 @@ struct mtk_drm_private {
>         struct drm_device *drm;
>         struct device *dma_dev;
>
> -       struct drm_crtc *crtc[MAX_CRTC];
>         unsigned int num_pipes;
>
>         struct device_node *mutex_node;
> --
> 1.9.1
>



-- 
Sean Paul, Software Engineer, Google / Chromium OS