linux-kernel - [v2 PATCH] drm/panel: auo,b116xw03: fix flash backlight when power on

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Message-ID: <20200705094514.34526-1-jitao.shi@mediatek.com>
Date:   Sun, 5 Jul 2020 17:45:14 +0800
From:   Jitao Shi <jitao.shi@...iatek.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Sam Ravnborg <sam@...nborg.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
CC:     <linux-mediatek@...ts.infradead.org>, <ck.hu@...iatek.com>,
        <stonea168@....com>, <huijuan.xie@...iatek.com>,
        Jitao Shi <jitao.shi@...iatek.com>
Subject: [v2 PATCH] drm/panel: auo,b116xw03: fix flash backlight when power on

Delay the backlight on to make sure the video stable.

Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 3ad828eaefe1..61781ffa7840 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -724,6 +724,7 @@ static const struct drm_display_mode auo_b116xw03_mode = {
 	.vsync_end = 768 + 10 + 12,
 	.vtotal = 768 + 10 + 12 + 6,
 	.vrefresh = 60,
+	.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
 };
 
 static const struct panel_desc auo_b116xw03 = {
@@ -734,6 +735,12 @@ static const struct panel_desc auo_b116xw03 = {
 		.width = 256,
 		.height = 144,
 	},
+	.delay = {
+		.enable = 400,
+	},
+	.bus_flags = DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
+	.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+	.connector_type = DRM_MODE_CONNECTOR_eDP,
 };
 
 static const struct drm_display_mode auo_b133xtn01_mode = {
-- 
2.25.1