linux-kernel - [PATCH 5.8 038/177] drm/sun4i: Fix DE2 YVU handling

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Message-Id: <20200915140655.464788926@linuxfoundation.org>
Date:   Tue, 15 Sep 2020 16:11:49 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Roman Stratiienko <r.stratiienko@...il.com>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Maxime Ripard <maxime@...no.tech>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 038/177] drm/sun4i: Fix DE2 YVU handling

From: Jernej Skrabec <jernej.skrabec@...l.net>

[ Upstream commit 0ee9f600e69d901d31469359287b90bbe8e54553 ]

Function sun8i_vi_layer_get_csc_mode() is supposed to return CSC mode
but due to inproper return type (bool instead of u32) it returns just 0
or 1. Colors are wrong for YVU formats because of that.

Fixes: daab3d0e8e2b ("drm/sun4i: de2: csc_mode in de2 format struct is mostly redundant")
Reported-by: Roman Stratiienko <r.stratiienko@...il.com>
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
Tested-by: Roman Stratiienko <r.stratiienko@...il.com>
Signed-off-by: Maxime Ripard <maxime@...no.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20200901220305.6809-1-jernej.skrabec@siol.net
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
index 22c8c5375d0db..c0147af6a8406 100644
--- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
@@ -211,7 +211,7 @@ static int sun8i_vi_layer_update_coord(struct sun8i_mixer *mixer, int channel,
 	return 0;
 }
 
-static bool sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
+static u32 sun8i_vi_layer_get_csc_mode(const struct drm_format_info *format)
 {
 	if (!format->is_yuv)
 		return SUN8I_CSC_MODE_OFF;
-- 
2.25.1