summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/panel/panel-samsung-ld9040.c
diff options
context:
space:
mode:
authorPaul Cercueil <paul@crapouillou.net>2023-07-08 10:40:25 +0200
committerPaul Cercueil <paul@crapouillou.net>2023-07-14 10:11:02 +0200
commit50f600fd6b89af9f14248491090180b111e5e5f7 (patch)
treeb73e8b2d3938531f98244b3135d1ea817b25b6d5 /drivers/gpu/drm/panel/panel-samsung-ld9040.c
parent7dae503584a1f9fb761fbdfa2efcb6f8a029a0ea (diff)
drm/panel: ld9040: Use better magic values
I have no idea what the prior magic values mean, and I have no idea what my replacement (extracted from [1]) magic values mean. What I do know, is that these new values result in a much better picture, where the blacks are really black (as you would expect on an AMOLED display) instead of grey-ish. [1]: https://github.com/dorimanx/Dorimanx-SG2-I9100-Kernel/blob/master-jelly-bean/arch/arm/mach-exynos/u1-panel.h v2: Remove spurious new line Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20230708084027.18352-2-paul@crapouillou.net
Diffstat (limited to 'drivers/gpu/drm/panel/panel-samsung-ld9040.c')
-rw-r--r--drivers/gpu/drm/panel/panel-samsung-ld9040.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/panel/panel-samsung-ld9040.c b/drivers/gpu/drm/panel/panel-samsung-ld9040.c
index 01eb211f32f7..f39f999c21af 100644
--- a/drivers/gpu/drm/panel/panel-samsung-ld9040.c
+++ b/drivers/gpu/drm/panel/panel-samsung-ld9040.c
@@ -180,15 +180,15 @@ static void ld9040_init(struct ld9040 *ctx)
{
ld9040_dcs_write_seq_static(ctx, MCS_USER_SETTING, 0x5a, 0x5a);
ld9040_dcs_write_seq_static(ctx, MCS_PANEL_CONDITION,
- 0x05, 0x65, 0x96, 0x71, 0x7d, 0x19, 0x3b, 0x0d,
- 0x19, 0x7e, 0x0d, 0xe2, 0x00, 0x00, 0x7e, 0x7d,
- 0x07, 0x07, 0x20, 0x20, 0x20, 0x02, 0x02);
+ 0x05, 0x5e, 0x96, 0x6b, 0x7d, 0x0d, 0x3f, 0x00,
+ 0x00, 0x32, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x07, 0x05, 0x1f, 0x1f, 0x1f, 0x00, 0x00);
ld9040_dcs_write_seq_static(ctx, MCS_DISPCTL,
- 0x02, 0x08, 0x08, 0x10, 0x10);
+ 0x02, 0x06, 0x0a, 0x10, 0x10);
ld9040_dcs_write_seq_static(ctx, MCS_MANPWR, 0x04);
ld9040_dcs_write_seq_static(ctx, MCS_POWER_CTRL,
0x0a, 0x87, 0x25, 0x6a, 0x44, 0x02, 0x88);
- ld9040_dcs_write_seq_static(ctx, MCS_ELVSS_ON, 0x0d, 0x00, 0x16);
+ ld9040_dcs_write_seq_static(ctx, MCS_ELVSS_ON, 0x0f, 0x00, 0x16);
ld9040_dcs_write_seq_static(ctx, MCS_GTCON, 0x09, 0x00, 0x00);
ld9040_brightness_set(ctx);
ld9040_dcs_write_seq_static(ctx, MIPI_DCS_EXIT_SLEEP_MODE);