From: Paul Kocialkowski Date: Fri, 23 Nov 2018 09:24:51 +0000 (+0100) Subject: drm/sun4i: frontend: Determine input mode based on the number of planes X-Git-Tag: v5.15~303^2~28^2~6027 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ae4ba1936ab97c6a2733a243370f303da3c11839;p=platform%2Fkernel%2Flinux-starfive.git drm/sun4i: frontend: Determine input mode based on the number of planes Use the number of planes associated with the DRM format to determine the input mode configuration instead of the format iteself. This way, the helper can be used for all packed formats without future changes. Signed-off-by: Paul Kocialkowski Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-20-paul.kocialkowski@bootlin.com --- diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c index a305b73..a16697b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_frontend.c +++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c @@ -118,14 +118,12 @@ static int sun4i_frontend_drm_format_to_input_fmt(uint32_t fmt, u32 *val) static int sun4i_frontend_drm_format_to_input_mode(uint32_t fmt, u32 *val) { - switch (fmt) { - case DRM_FORMAT_XRGB8888: + if (drm_format_num_planes(fmt) == 1) *val = SUN4I_FRONTEND_INPUT_FMT_DATA_MOD_PACKED; - return 0; - - default: + else return -EINVAL; - } + + return 0; } static int sun4i_frontend_drm_format_to_input_sequence(uint32_t fmt, u32 *val)