diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7701.c b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
index 0459965e1b4f..055b9ae46bc6 100644
--- a/drivers/gpu/drm/panel/panel-sitronix-st7701.c
+++ b/drivers/gpu/drm/panel/panel-sitronix-st7701.c
@@ -404,23 +404,58 @@ static void kd50t048a_gip_sequence(struct st7701 *st7701)
 	 * ST7701_SPEC_V1.2 is unable to provide enough information above this
 	 * specific command sequence, so grab the same from vendor BSP driver.
 	 */
+	ST7701_DSI(st7701, 0x01);
+	msleep(5);
+	ST7701_DSI(st7701, 0x11);
+	msleep(120);
+
+	ST7701_DSI(st7701, 0xFF, 0x77, 0x01, 0x00, 0x00, 0x10);
+	ST7701_DSI(st7701, 0xC0, 0xE9, 0x03);
+	ST7701_DSI(st7701, 0xC1, 0x11, 0x02);
+	ST7701_DSI(st7701, 0xC2, 0x31, 0x08);
+	ST7701_DSI(st7701, 0xCC, 0x10);
+	ST7701_DSI(st7701, 0xB0, 0x00, 0x0D, 0x14, 0x0D, 0x10, 0x05, 0x02, 0x08,
+			0x08, 0x1E, 0x05, 0x13, 0x11, 0xA3, 0x29, 0x18);
+	ST7701_DSI(st7701, 0xB1, 0x00, 0x0C, 0x14, 0x0C, 0x10, 0x05, 0x03, 0x08,
+			0x07, 0x20, 0x05, 0x13, 0x11, 0xA4, 0x29, 0x18);
+	ST7701_DSI(st7701, 0xFF, 0x77, 0x01, 0x00, 0x00, 0x11);
+	ST7701_DSI(st7701, 0xB0, 0x6C);
+	ST7701_DSI(st7701, 0xB1, 0x43);
+	ST7701_DSI(st7701, 0xB2, 0x07);
+	ST7701_DSI(st7701, 0xB3, 0x80);
+	ST7701_DSI(st7701, 0xB5, 0x47);
+	ST7701_DSI(st7701, 0xB7, 0x85);
+	ST7701_DSI(st7701, 0xB8, 0x20);
+	ST7701_DSI(st7701, 0xB9, 0x10);
+	ST7701_DSI(st7701, 0xC1, 0x78);
+	ST7701_DSI(st7701, 0xC3, 0x78);
+	ST7701_DSI(st7701, 0xD0, 0x88);
+	msleep(120);
+
 	ST7701_DSI(st7701, 0xE0, 0x00, 0x00, 0x02);
-	ST7701_DSI(st7701, 0xE1, 0x08, 0x00, 0x0A, 0x00, 0x07, 0x00, 0x09,
-		   0x00, 0x00, 0x33, 0x33);
+	ST7701_DSI(st7701, 0xE1, 0x08, 0x00, 0x0A, 0x00, 0x07, 0x00, 0x09, 0x00,
+			0x00, 0x33, 0x33);
 	ST7701_DSI(st7701, 0xE2, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-		   0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
+			0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
 	ST7701_DSI(st7701, 0xE3, 0x00, 0x00, 0x33, 0x33);
 	ST7701_DSI(st7701, 0xE4, 0x44, 0x44);
-	ST7701_DSI(st7701, 0xE5, 0x0E, 0x60, 0xA0, 0xA0, 0x10, 0x60, 0xA0,
-		   0xA0, 0x0A, 0x60, 0xA0, 0xA0, 0x0C, 0x60, 0xA0, 0xA0);
+	ST7701_DSI(st7701, 0xE5, 0x0E, 0x60, 0xA0, 0xA0, 0x10, 0x60, 0xA0, 0xA0,
+			0x0A, 0x60, 0xA0, 0xA0, 0x0C, 0x60, 0xA0, 0xA0);
 	ST7701_DSI(st7701, 0xE6, 0x00, 0x00, 0x33, 0x33);
 	ST7701_DSI(st7701, 0xE7, 0x44, 0x44);
-	ST7701_DSI(st7701, 0xE8, 0x0D, 0x60, 0xA0, 0xA0, 0x0F, 0x60, 0xA0,
-		   0xA0, 0x09, 0x60, 0xA0, 0xA0, 0x0B, 0x60, 0xA0, 0xA0);
+	ST7701_DSI(st7701, 0xE8, 0x0D, 0x60, 0xA0, 0xA0, 0x0F, 0x60, 0xA0, 0xA0,
+			0x09, 0x60, 0xA0, 0xA0, 0x0B, 0x60, 0xA0, 0xA0);
 	ST7701_DSI(st7701, 0xEB, 0x02, 0x01, 0xE4, 0xE4, 0x44, 0x00, 0x40);
 	ST7701_DSI(st7701, 0xEC, 0x02, 0x01);
-	ST7701_DSI(st7701, 0xED, 0xAB, 0x89, 0x76, 0x54, 0x01, 0xFF, 0xFF,
-		   0xFF, 0xFF, 0xFF, 0xFF, 0x10, 0x45, 0x67, 0x98, 0xBA);
+	ST7701_DSI(st7701, 0xED, 0xAB, 0x89, 0x76, 0x54, 0x01, 0xFF, 0xFF, 0xFF,
+			0xFF, 0xFF, 0xFF, 0x10, 0x45, 0x67, 0x98, 0xBA);
+	ST7701_DSI(st7701, 0xFF, 0x77, 0x01, 0x00, 0x00, 0x00);
+	ST7701_DSI(st7701, 0x3A, 0x70);
+	ST7701_DSI(st7701, 0x53, 0xEC);
+	ST7701_DSI(st7701, 0x55, 0xB3);
+	ST7701_DSI(st7701, 0x5E, 0xFF);
+	ST7701_DSI(st7701, 0x29);
+	msleep(50);
 }
 
 static int st7701_prepare(struct drm_panel *panel)
@@ -434,7 +469,7 @@ static int st7701_prepare(struct drm_panel *panel)
 				    st7701->supplies);
 	if (ret < 0)
 		return ret;
-	msleep(20);
+	msleep(120);
 
 	gpiod_set_value(st7701->reset, 1);
 	msleep(150);
@@ -741,20 +776,20 @@ static const struct st7701_panel_desc dmt028vghmcmi_1a_desc = {
 };
 
 static const struct drm_display_mode kd50t048a_mode = {
-	.clock          = 27500,
+	.clock          = 28748,
 
 	.hdisplay       = 480,
-	.hsync_start    = 480 + 2,
-	.hsync_end      = 480 + 2 + 10,
-	.htotal         = 480 + 2 + 10 + 2,
+	.hsync_start    = 480 + 12,
+	.hsync_end      = 480 + 12 + 12,
+	.htotal         = 480 + 12 + 12 + 38,
 
 	.vdisplay       = 854,
-	.vsync_start    = 854 + 2,
-	.vsync_end      = 854 + 2 + 2,
-	.vtotal         = 854 + 2 + 2 + 17,
+	.vsync_start    = 854 + 0,
+	.vsync_end      = 854 + 0 + 19,
+	.vtotal         = 854 + 0 + 19 + 11,
 
-	.width_mm       = 69,
-	.height_mm      = 139,
+	.width_mm       = 70,
+	.height_mm      = 140,
 
 	.type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
 };
@@ -763,7 +798,7 @@ static const struct st7701_panel_desc kd50t048a_desc = {
 	.mode = &kd50t048a_mode,
 	.lanes = 2,
 	.format = MIPI_DSI_FMT_RGB888,
-	.panel_sleep_delay = 0,
+	.panel_sleep_delay = 120,
 
 	.pv_gamma = {
 		CFIELD_PREP(DSI_CMD2_BK0_GAMCTRL_AJ_MASK, 0) |