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    SubjectRe: [PATCH v4 07/14] drm/mediatek: add the comment about color format setting for OVL
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    Hi, Stu:

    On Thu, 2018-08-09 at 10:15 +0800, Stu Hsieh wrote:
    > This patch add the comment about color format setting for OVL
    >
    > Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>

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

    > ---
    > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 5 +++++
    > 1 file changed, 5 insertions(+)
    >
    > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
    > index 978782a77629..0facd823c552 100644
    > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
    > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
    > @@ -157,6 +157,11 @@ static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx)
    >
    > static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
    > {
    > + /* The return value in switch "MEM_MODE_INPUT_FORMAT_XXX"
    > + * is defined in mediatek HW data sheet.
    > + * The alphabet order in XXX is no relation to data
    > + * arrangement in memory.
    > + */
    > switch (fmt) {
    > default:
    > case DRM_FORMAT_RGB565:


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