linux-kernel - [PATCH v1 1/2] drm/panel: jd9365da: Modify Kingdisplay and Melfas panel timing

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Message-Id: <20240915080830.11318-2-lvzhaoxiong@huaqin.corp-partner.google.com>
Date: Sun, 15 Sep 2024 16:08:29 +0800
From: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
To: neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com,
	sam@...nborg.org,
	maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch,
	dianders@...omium.org,
	hsinyi@...gle.com,
	awarnecke002@...mail.com,
	dmitry.baryshkov@...aro.org
Cc: dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Subject: [PATCH v1 1/2] drm/panel: jd9365da: Modify Kingdisplay and  Melfas panel timing

In order to meet the timing, remove the delay between "backlight off"
and "display off"

Removing variables: display_off_to_enter_sleep_delay_ms

Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
---
 drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
index 44897e5218a6..2f8af86bc2a0 100644
--- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
+++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
@@ -31,7 +31,6 @@ struct jadard_panel_desc {
 	bool reset_before_power_off_vcioo;
 	unsigned int vcioo_to_lp11_delay_ms;
 	unsigned int lp11_to_reset_delay_ms;
-	unsigned int backlight_off_to_display_off_delay_ms;
 	unsigned int display_off_to_enter_sleep_delay_ms;
 	unsigned int enter_sleep_to_reset_down_delay_ms;
 };
@@ -69,9 +68,6 @@ static int jadard_disable(struct drm_panel *panel)
 	struct jadard *jadard = panel_to_jadard(panel);
 	struct mipi_dsi_multi_context dsi_ctx = { .dsi = jadard->dsi };
 
-	if (jadard->desc->backlight_off_to_display_off_delay_ms)
-		mipi_dsi_msleep(&dsi_ctx, jadard->desc->backlight_off_to_display_off_delay_ms);
-
 	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
 
 	if (jadard->desc->display_off_to_enter_sleep_delay_ms)
@@ -858,7 +854,6 @@ static const struct jadard_panel_desc kingdisplay_kd101ne3_40ti_desc = {
 	.reset_before_power_off_vcioo = true,
 	.vcioo_to_lp11_delay_ms = 5,
 	.lp11_to_reset_delay_ms = 10,
-	.backlight_off_to_display_off_delay_ms = 100,
 	.display_off_to_enter_sleep_delay_ms = 50,
 	.enter_sleep_to_reset_down_delay_ms = 100,
 };
@@ -1109,7 +1104,6 @@ static const struct jadard_panel_desc melfas_lmfbx101117480_desc = {
 	.reset_before_power_off_vcioo = true,
 	.vcioo_to_lp11_delay_ms = 5,
 	.lp11_to_reset_delay_ms = 10,
-	.backlight_off_to_display_off_delay_ms = 100,
 	.display_off_to_enter_sleep_delay_ms = 50,
 	.enter_sleep_to_reset_down_delay_ms = 100,
 };
-- 
2.17.1