From ae4ba1936ab97c6a2733a243370f303da3c11839 Mon Sep 17 00:00:00 2001
From: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Date: Fri, 23 Nov 2018 10:24:51 +0100
Subject: [PATCH] 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 <paul.kocialkowski@bootlin.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181123092515.2511-20-paul.kocialkowski@bootlin.com
---
drivers/gpu/drm/sun4i/sun4i_frontend.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index a305b731b0427..a16697b0eac5f 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)
--
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