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Message-ID: <20240810045404.188146-3-tejasvipin76@gmail.com>
Date: Sat, 10 Aug 2024 10:24:04 +0530
From: Tejas Vipin <tejasvipin76@...il.com>
To: maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	neil.armstrong@...aro.org,
	quic_jesszhan@...cinc.com
Cc: dianders@...omium.org,
	airlied@...il.com,
	daniel@...ll.ch,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Tejas Vipin <tejasvipin76@...il.com>
Subject: [PATCH 2/2] drm/panel: jdi-fhd-r63452: transition to mipi_dsi wrapped functions

Changes the jdi-fhd-r63452 panel to use multi style functions for
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipin76@...il.com>
---
 drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c | 125 ++++++-------------
 1 file changed, 39 insertions(+), 86 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
index 483dc88d16d8..32a244d4bae7 100644
--- a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
+++ b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c
@@ -41,79 +41,41 @@ static void jdi_fhd_r63452_reset(struct jdi_fhd_r63452 *ctx)
 static int jdi_fhd_r63452_on(struct jdi_fhd_r63452 *ctx)
 {
 	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_generic_write_seq(dsi, 0xb0, 0x00);
-	mipi_dsi_generic_write_seq(dsi, 0xd6, 0x01);
-	mipi_dsi_generic_write_seq(dsi, 0xec,
-				   0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
-				   0x13, 0x15, 0x68, 0x0b, 0xb5);
-	mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xd6, 0x01);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xec,
+					 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
+					 0x13, 0x15, 0x68, 0x0b, 0xb5);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
 
-	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set tear on: %d\n", ret);
-		return ret;
-	}
+	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
 
-	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_ADDRESS_MODE, 0x00);
 
-	ret = mipi_dsi_dcs_set_pixel_format(dsi, 0x77);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set pixel format: %d\n", ret);
-		return ret;
-	}
+	mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx, 0x77);
+	mipi_dsi_dcs_set_column_address_multi(&dsi_ctx, 0x0000, 0x0437);
+	mipi_dsi_dcs_set_page_address_multi(&dsi_ctx, 0x0000, 0x077f);
+	mipi_dsi_dcs_set_tear_scanline_multi(&dsi_ctx, 0x0000);
+	mipi_dsi_dcs_set_display_brightness_multi(&dsi_ctx, 0x00ff);
 
-	ret = mipi_dsi_dcs_set_column_address(dsi, 0x0000, 0x0437);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set column address: %d\n", ret);
-		return ret;
-	}
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x84, 0x00);
 
-	ret = mipi_dsi_dcs_set_page_address(dsi, 0x0000, 0x077f);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set page address: %d\n", ret);
-		return ret;
-	}
-
-	ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0x0000);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set tear scanline: %d\n", ret);
-		return ret;
-	}
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 20);
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 80);
 
-	ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x00ff);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display brightness: %d\n", ret);
-		return ret;
-	}
-
-	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);
-	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_SET_CABC_MIN_BRIGHTNESS, 0x00);
-	mipi_dsi_dcs_write_seq(dsi, 0x84, 0x00);
-
-	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(20);
-
-	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(80);
-
-	mipi_dsi_generic_write_seq(dsi, 0xb0, 0x04);
-	mipi_dsi_dcs_write_seq(dsi, 0x84, 0x00);
-	mipi_dsi_generic_write_seq(dsi, 0xc8, 0x11);
-	mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x04);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0x84, 0x00);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xc8, 0x11);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
 
 	return 0;
 }
@@ -121,31 +83,22 @@ static int jdi_fhd_r63452_on(struct jdi_fhd_r63452 *ctx)
 static int jdi_fhd_r63452_off(struct jdi_fhd_r63452 *ctx)
 {
 	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_generic_write_seq(dsi, 0xb0, 0x00);
-	mipi_dsi_generic_write_seq(dsi, 0xd6, 0x01);
-	mipi_dsi_generic_write_seq(dsi, 0xec,
-				   0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
-				   0x13, 0x15, 0x68, 0x0b, 0x95);
-	mipi_dsi_generic_write_seq(dsi, 0xb0, 0x03);
-
-	ret = mipi_dsi_dcs_set_display_off(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display off: %d\n", ret);
-		return ret;
-	}
-	usleep_range(2000, 3000);
-
-	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_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x00);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xd6, 0x01);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xec,
+					 0x64, 0xdc, 0xec, 0x3b, 0x52, 0x00, 0x0b, 0x0b,
+					 0x13, 0x15, 0x68, 0x0b, 0x95);
+	mipi_dsi_generic_write_seq_multi(&dsi_ctx, 0xb0, 0x03);
+
+	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+	if (!dsi_ctx.accum_err)
+		usleep_range(2000, 3000);
+	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 120);
 
 	return 0;
 }
-- 
2.46.0

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