Re: [PATCH] drm/panel: mantix-mlaf057we51: transition to mipi_dsi wrapped functions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi,

On 18/08/2024 09:23, Tejas Vipin wrote:
Changes the mantix-mlaf057we51 panel to use multi style functions for
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipin76@xxxxxxxxx>
---
  .../gpu/drm/panel/panel-mantix-mlaf057we51.c  | 79 +++++++------------
  1 file changed, 27 insertions(+), 52 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
index ea4a6bf6d35b..4db852ffb0f6 100644
--- a/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
+++ b/drivers/gpu/drm/panel/panel-mantix-mlaf057we51.c
@@ -23,7 +23,7 @@
/* Manufacturer specific Commands send via DSI */
  #define MANTIX_CMD_OTP_STOP_RELOAD_MIPI 0x41
-#define MANTIX_CMD_INT_CANCEL           0x4C
+#define MANTIX_CMD_INT_CANCEL           0x4c

Please move cleanups to separate patches


Otherwise it looks good.

Neil

  #define MANTIX_CMD_SPI_FINISH           0x90
struct mantix {
@@ -45,82 +45,57 @@ static inline struct mantix *panel_to_mantix(struct drm_panel *panel)
  	return container_of(panel, struct mantix, panel);
  }
-static int mantix_init_sequence(struct mantix *ctx)
+static void mantix_init_sequence(struct mipi_dsi_multi_context *dsi_ctx)
  {
-	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
-	struct device *dev = ctx->dev;
-
  	/*
  	 * Init sequence was supplied by the panel vendor.
  	 */
-	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A);
-
-	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_INT_CANCEL, 0x03);
-	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x03);
-	mipi_dsi_generic_write_seq(dsi, 0x80, 0xA9, 0x00);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5a);
- mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5A, 0x09);
-	mipi_dsi_generic_write_seq(dsi, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00);
-	msleep(20);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_INT_CANCEL, 0x03);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5a, 0x03);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x80, 0xa9, 0x00);
- mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_SPI_FINISH, 0xA5);
-	mipi_dsi_generic_write_seq(dsi, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2F);
-	msleep(20);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x5a, 0x09);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, 0x80, 0x64, 0x00, 0x64, 0x00, 0x00);
+	mipi_dsi_msleep(dsi_ctx, 20);
- dev_dbg(dev, "Panel init sequence done\n");
-	return 0;
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_SPI_FINISH, 0xa5);
+	mipi_dsi_generic_write_seq_multi(dsi_ctx, MANTIX_CMD_OTP_STOP_RELOAD_MIPI, 0x00, 0x2f);
+	mipi_dsi_msleep(dsi_ctx, 20);
  }
static int mantix_enable(struct drm_panel *panel)
  {
  	struct mantix *ctx = panel_to_mantix(panel);
-	struct device *dev = ctx->dev;
-	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);
-	int ret;
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
- ret = mantix_init_sequence(ctx);
-	if (ret < 0) {
-		dev_err(ctx->dev, "Panel init sequence failed: %d\n", ret);
-		return ret;
-	}
+	mantix_init_sequence(&dsi_ctx);
+	if (!dsi_ctx.accum_err)
+		dev_dbg(ctx->dev, "Panel init sequence done\n");
- ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to exit sleep mode\n");
-		return ret;
-	}
-	msleep(20);
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 20);
- ret = mipi_dsi_dcs_set_display_on(dsi);
-	if (ret)
-		return ret;
-	usleep_range(10000, 12000);
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
+	mipi_dsi_usleep_range(&dsi_ctx, 10000, 12000);
- ret = mipi_dsi_turn_on_peripheral(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to turn on peripheral\n");
-		return ret;
-	}
+	mipi_dsi_turn_on_peripheral_multi(&dsi_ctx);
- return 0;
+	return dsi_ctx.accum_err;
  }
static int mantix_disable(struct drm_panel *panel)
  {
  	struct mantix *ctx = panel_to_mantix(panel);
  	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
-	int ret;
-
-	ret = mipi_dsi_dcs_set_display_off(dsi);
-	if (ret < 0)
-		dev_err(ctx->dev, "Failed to turn off the display: %d\n", ret);
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
- ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-	if (ret < 0)
-		dev_err(ctx->dev, "Failed to enter sleep mode: %d\n", ret);
+	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
+	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
-
-	return 0;
+	return dsi_ctx.accum_err;
  }
static int mantix_unprepare(struct drm_panel *panel)




[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux