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SubjectRe: [PATCH v3, 18/27] drm/medaitek: add layer_nr for ovl private data
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Hi, Yongqiang:

On Wed, 2019-06-05 at 19:42 +0800, yongqiang.niu@mediatek.com wrote:
> From: Yongqiang Niu <yongqiang.niu@mediatek.com>
>
> This patch add layer_nr for ovl private data
> ovl_2l almost same with with ovl hardware, except the
> layer number for ovl_2l is 2 and ovl is 4.
> this patch is a preparation for ovl-2l and
> ovl share the same driver.

This patch is identical to v2, and I've give a 'Reviewed-by' for v2,
so you should keep this 'Reviewed-by' tag in this patch, so I still give
you a

Reviewed-by: CK Hu <ck.hu@mediatek.com>

>
> Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> index afb313c..a0ab760 100644
> --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
> @@ -60,6 +60,7 @@
> struct mtk_disp_ovl_data {
> unsigned int addr;
> unsigned int gmc_bits;
> + unsigned int layer_nr;
> bool fmt_rgb565_is_0;
> };
>
> @@ -137,7 +138,9 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
>
> static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
> {
> - return 4;
> + struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
> +
> + return ovl->data->layer_nr;
> }
>
> static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
> @@ -342,12 +345,14 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev)
> static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = {
> .addr = DISP_REG_OVL_ADDR_MT2701,
> .gmc_bits = 8,
> + .layer_nr = 4,
> .fmt_rgb565_is_0 = false,
> };
>
> static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = {
> .addr = DISP_REG_OVL_ADDR_MT8173,
> .gmc_bits = 8,
> + .layer_nr = 4,
> .fmt_rgb565_is_0 = true,
> };
>


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