drm/panel: abt-y030xx067a: yellow tint fix

[ Upstream commit 413e8d06ad896dae9bbc6f97b0abea5eae5495f1 ]

The previous parameters caused an unbalanced yellow tint.

Fixes: 7467389bdafb ("drm/panel: Add ABT Y030XX067A 3.0" 320x480 panel")
Signed-off-by: Christophe Branchereau <cbranchereau@gmail.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
[Paul: Add Fixes: tag, and fix case and punctuation in commit message]
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210914092716.2370039-1-cbranchereau@gmail.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
index 2d8794d495d08e62d749909f0e87ba040843e01e..3d8a9ab47cae2face971d4deb8ed6863afc9ee71 100644 (file)
--- a/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
+++ b/drivers/gpu/drm/panel/panel-abt-y030xx067a.c
@@ -146,8 +146,8 @@ static const struct reg_sequence y030xx067a_init_sequence[] = {
        { 0x09, REG09_SUB_BRIGHT_R(0x20) },
        { 0x0a, REG0A_SUB_BRIGHT_B(0x20) },
        { 0x0b, REG0B_HD_FREERUN | REG0B_VD_FREERUN },
-       { 0x0c, REG0C_CONTRAST_R(0x10) },
-       { 0x0d, REG0D_CONTRAST_G(0x10) },
+       { 0x0c, REG0C_CONTRAST_R(0x00) },
+       { 0x0d, REG0D_CONTRAST_G(0x00) },
        { 0x0e, REG0E_CONTRAST_B(0x10) },
        { 0x0f, 0 },
        { 0x10, REG10_BRIGHT(0x7f) },