[PATCH] drm/panel: himax-hx83112a: transition to mipi_dsi wrapped functions

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Changes the himax-hx83112a panel to use multi style functions for
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipin76@xxxxxxxxx>
---
 drivers/gpu/drm/panel/panel-himax-hx83112a.c | 297 +++++++++----------
 1 file changed, 136 insertions(+), 161 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-himax-hx83112a.c b/drivers/gpu/drm/panel/panel-himax-hx83112a.c
index 466c27012abf..47bce087e339 100644
--- a/drivers/gpu/drm/panel/panel-himax-hx83112a.c
+++ b/drivers/gpu/drm/panel/panel-himax-hx83112a.c
@@ -56,198 +56,173 @@ static void hx83112a_reset(struct hx83112a_panel *ctx)
 	msleep(50);
 }
 
-static int hx83112a_on(struct hx83112a_panel *ctx)
+static int hx83112a_on(struct mipi_dsi_device *dsi)
 {
-	struct mipi_dsi_device *dsi = ctx->dsi;
-	struct device *dev = &dsi->dev;
-	int ret;
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
 
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETEXTC, 0x83, 0x11, 0x2a);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPOWER1,
-			       0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDISP,
-			       0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19,
-			       0xea, 0x11, 0x11, 0x00, 0x11, 0xa3);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDRV,
-			       0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0,
-			       0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff,
-			       0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07,
-			       0x12, 0x00, 0x29);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDRV,
-			       0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00,
-			       0x53);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x03);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
-			       0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
-			       0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
-			       0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
-			       0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
-			       0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
-			       0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
-			       0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
-			       0x40);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
-			       0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
-			       0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
-			       0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
-			       0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
-			       0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
-			       0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
-			       0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
-			       0x40);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT,
-			       0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
-			       0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
-			       0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
-			       0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
-			       0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
-			       0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
-			       0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
-			       0x40);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETDGCLUT, 0x01);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTCON,
-			       0x70, 0x00, 0x04, 0xe0, 0x33, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPANEL, 0x08);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPOWER2, 0x2b, 0x2b);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP0,
-			       0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08,
-			       0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07,
-			       0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10,
-			       0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31,
-			       0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08,
-			       0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00,
-			       0x0f);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP0,
-			       0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP1,
-			       0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
-			       0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
-			       0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
-			       0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03,
-			       0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31,
-			       0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP2,
-			       0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
-			       0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19,
-			       0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
-			       0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00,
-			       0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31,
-			       0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
-			       0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea,
-			       0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa,
-			       0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
-			       0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e,
-			       0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa,
-			       0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
-			       0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff,
-			       0xff, 0xff, 0xff, 0xff);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x03);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETGIP3,
-			       0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
-			       0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff,
-			       0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
-			       0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50,
-			       0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05,
-			       0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x01);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
-			       0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x02);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETTP1,
-			       0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00,
-			       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-			       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
-			       0x00, 0x00, 0x00, 0x02, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETBANK, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0xc3);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETCLOCK, 0xd1, 0xd6);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0x3f);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0xc6);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_SETPTBA, 0x37);
-	mipi_dsi_dcs_write_seq(dsi, HX83112A_UNKNOWN1, 0x3f);
-
-	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to exit sleep mode: %d\n", ret);
-		return ret;
-	}
-	msleep(150);
-
-	ret = mipi_dsi_dcs_set_display_on(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display on: %d\n", ret);
-		return ret;
-	}
-	msleep(50);
-
-	return 0;
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETEXTC, 0x83, 0x11, 0x2a);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPOWER1,
+				     0x08, 0x28, 0x28, 0x83, 0x83, 0x4c, 0x4f, 0x33);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDISP,
+				     0x00, 0x02, 0x00, 0x90, 0x24, 0x00, 0x08, 0x19,
+				     0xea, 0x11, 0x11, 0x00, 0x11, 0xa3);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDRV,
+				     0x58, 0x68, 0x58, 0x68, 0x0f, 0xef, 0x0b, 0xc0,
+				     0x0b, 0xc0, 0x0b, 0xc0, 0x00, 0xff, 0x00, 0xff,
+				     0x00, 0x00, 0x14, 0x15, 0x00, 0x29, 0x11, 0x07,
+				     0x12, 0x00, 0x29);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDRV,
+				     0x00, 0x12, 0x12, 0x11, 0x88, 0x12, 0x12, 0x00,
+				     0x53);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x03);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
+				     0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
+				     0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
+				     0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
+				     0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
+				     0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
+				     0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
+				     0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
+				     0x40);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
+				     0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
+				     0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
+				     0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
+				     0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
+				     0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
+				     0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
+				     0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
+				     0x40);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT,
+				     0xff, 0xfe, 0xfb, 0xf8, 0xf4, 0xf1, 0xed, 0xe6,
+				     0xe2, 0xde, 0xdb, 0xd6, 0xd3, 0xcf, 0xca, 0xc6,
+				     0xc2, 0xbe, 0xb9, 0xb0, 0xa7, 0x9e, 0x96, 0x8d,
+				     0x84, 0x7c, 0x74, 0x6b, 0x62, 0x5a, 0x51, 0x49,
+				     0x41, 0x39, 0x31, 0x29, 0x21, 0x19, 0x12, 0x0a,
+				     0x06, 0x05, 0x02, 0x01, 0x00, 0x00, 0xc9, 0xb3,
+				     0x08, 0x0e, 0xf2, 0xe1, 0x59, 0xf4, 0x22, 0xad,
+				     0x40);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETDGCLUT, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTCON,
+				     0x70, 0x00, 0x04, 0xe0, 0x33, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPANEL, 0x08);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPOWER2, 0x2b, 0x2b);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP0,
+				     0x80, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x08,
+				     0x08, 0x03, 0x03, 0x22, 0x18, 0x07, 0x07, 0x07,
+				     0x07, 0x32, 0x10, 0x06, 0x00, 0x06, 0x32, 0x10,
+				     0x07, 0x00, 0x07, 0x32, 0x19, 0x31, 0x09, 0x31,
+				     0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x08,
+				     0x09, 0x30, 0x00, 0x00, 0x00, 0x06, 0x0d, 0x00,
+				     0x0f);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP0,
+				     0x00, 0x00, 0x19, 0x10, 0x00, 0x0a, 0x00, 0x81);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP1,
+				     0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+				     0xc0, 0xc0, 0x18, 0x18, 0x19, 0x19, 0x18, 0x18,
+				     0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
+				     0x28, 0x28, 0x24, 0x24, 0x02, 0x03, 0x02, 0x03,
+				     0x00, 0x01, 0x00, 0x01, 0x31, 0x31, 0x31, 0x31,
+				     0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP2,
+				     0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
+				     0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x19, 0x19,
+				     0x40, 0x40, 0x18, 0x18, 0x18, 0x18, 0x3f, 0x3f,
+				     0x24, 0x24, 0x28, 0x28, 0x01, 0x00, 0x01, 0x00,
+				     0x03, 0x02, 0x03, 0x02, 0x31, 0x31, 0x31, 0x31,
+				     0x30, 0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
+				     0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea,
+				     0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa,
+				     0xaa, 0xaa, 0xaa, 0xea, 0xab, 0xaa, 0xaa, 0xaa);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
+				     0xaa, 0x2e, 0x28, 0x00, 0x00, 0x00, 0xaa, 0x2e,
+				     0x28, 0x00, 0x00, 0x00, 0xaa, 0xee, 0xaa, 0xaa,
+				     0xaa, 0xaa, 0xaa, 0xee, 0xaa, 0xaa, 0xaa, 0xaa);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
+				     0xaa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xaa, 0xff,
+				     0xff, 0xff, 0xff, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x03);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETGIP3,
+				     0xaa, 0xaa, 0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+				     0xea, 0xaa, 0xaa, 0xaa, 0xaa, 0xff, 0xff, 0xff,
+				     0xff, 0xff, 0xaa, 0xff, 0xff, 0xff, 0xff, 0xff);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
+				     0x0e, 0x0e, 0x1e, 0x65, 0x1c, 0x65, 0x00, 0x50,
+				     0x20, 0x20, 0x00, 0x00, 0x02, 0x02, 0x02, 0x05,
+				     0x14, 0x14, 0x32, 0xb9, 0x23, 0xb9, 0x08);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x01);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
+				     0x02, 0x00, 0xa8, 0x01, 0xa8, 0x0d, 0xa4, 0x0e);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x02);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETTP1,
+				     0x00, 0x00, 0x08, 0x00, 0x01, 0x00, 0x00, 0x00,
+				     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+				     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
+				     0x00, 0x00, 0x00, 0x02, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETBANK, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0xc3);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETCLOCK, 0xd1, 0xd6);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0x3f);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0xc6);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_SETPTBA, 0x37);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, HX83112A_UNKNOWN1, 0x3f);
+
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 150);
+
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 50);
+
+	return dsi_ctx.accum_err;
 }
 
 static int hx83112a_disable(struct drm_panel *panel)
 {
 	struct hx83112a_panel *ctx = to_hx83112a_panel(panel);
 	struct mipi_dsi_device *dsi = ctx->dsi;
-	struct device *dev = &dsi->dev;
-	int ret;
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
 
-	ret = mipi_dsi_dcs_set_display_off(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display off: %d\n", ret);
-		return ret;
-	}
-	msleep(20);
-
-	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
-		return ret;
-	}
-	msleep(120);
+	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 20);
+	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 120);
 
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static int hx83112a_prepare(struct drm_panel *panel)
 {
 	struct hx83112a_panel *ctx = to_hx83112a_panel(panel);
-	struct device *dev = &ctx->dsi->dev;
 	int ret;
 
 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
-	if (ret < 0) {
-		dev_err(dev, "Failed to enable regulators: %d\n", ret);
+	if (ret < 0)
 		return ret;
-	}
 
 	hx83112a_reset(ctx);
 
-	ret = hx83112a_on(ctx);
+	ret = hx83112a_on(ctx->dsi);
 	if (ret < 0) {
-		dev_err(dev, "Failed to initialize panel: %d\n", ret);
 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
 		regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
-		return ret;
 	}
 
-	return 0;
+	return ret;
 }
 
 static int hx83112a_unprepare(struct drm_panel *panel)
-- 
2.46.0




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