Hi, Mark:

On Wed, 2019-12-11 at 10:49 -0500, Mark Yacoub wrote:
> drm/mediatek: return if plane pending state is disabled.
> 
> If the plane pending state is disabled, call mtk_ovl_layer_off then
> return.
> This guarantees that that the state is valid for all operations when the
> pending state is enabled.

For this series, applied to mediatek-drm-next-5.6 [1], thanks.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.6

Regards,
CK

> 
> Suggested-by: Sean Paul <[email protected]>
> To: CK Hu <[email protected]>
> To: [email protected]
> Cc: Daniele Castagna <[email protected]>
> Cc: Philipp Zabel <[email protected]>
> Cc: David Airlie <[email protected]>
> Cc: Daniel Vetter <[email protected]>
> Cc: Matthias Brugger <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Signed-off-by: Mark Yacoub <[email protected]>
> ---
>  drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c 
> b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index 4a55bb6e2213..526b595eeff9 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -260,8 +260,10 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp 
> *comp, unsigned int idx,
>       unsigned int src_size = (pending->height << 16) | pending->width;
>       unsigned int con;
>  
> -     if (!pending->enable)
> +     if (!pending->enable) {
>               mtk_ovl_layer_off(comp, idx);
> +             return;
> +     }
>  
>       con = ovl_fmt_convert(ovl, fmt);
>       if (idx != 0)
> @@ -283,8 +285,7 @@ static void mtk_ovl_layer_config(struct mtk_ddp_comp 
> *comp, unsigned int idx,
>       writel_relaxed(offset, comp->regs + DISP_REG_OVL_OFFSET(idx));
>       writel_relaxed(addr, comp->regs + DISP_REG_OVL_ADDR(ovl, idx));
>  
> -     if (pending->enable)
> -             mtk_ovl_layer_on(comp, idx);
> +     mtk_ovl_layer_on(comp, idx);
>  }
>  
>  static void mtk_ovl_bgclr_in_on(struct mtk_ddp_comp *comp)

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