Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Stu Hsieh <> | Subject | [PATCH v4 07/14] drm/mediatek: add the comment about color format setting for OVL | Date | Thu, 9 Aug 2018 10:15:42 +0800 |
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This patch add the comment about color format setting for OVL
Signed-off-by: Stu Hsieh <stu.hsieh@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: -- 2.12.5.2.gbdf23ab
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