diff mbox series

drm/panel: samsung-s6e3fa7: transition to mipi_dsi wrapped functions

Message ID 20240902071019.351158-1-tejasvipin76@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm/panel: samsung-s6e3fa7: transition to mipi_dsi wrapped functions | expand

Commit Message

Tejas Vipin Sept. 2, 2024, 7:10 a.m. UTC 
Changes the samsung-s6e3fa7 panel to use multi style functions for
improved error handling.

Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
---
 drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c | 71 ++++++-------------
 1 file changed, 21 insertions(+), 50 deletions(-)

Comments

Doug Anderson Sept. 3, 2024, 11:01 p.m. UTC | #1 
Hi,

On Mon, Sep 2, 2024 at 12:10 AM Tejas Vipin <tejasvipin76@gmail.com> wrote:
>
> Changes the samsung-s6e3fa7 panel to use multi style functions for
> improved error handling.
>
> Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
> ---
>  drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c | 71 ++++++-------------
>  1 file changed, 21 insertions(+), 50 deletions(-)

Reviewed-by: Douglas Anderson <dianders@chromium.org>
Jessica Zhang Sept. 6, 2024, 10:28 p.m. UTC | #2 
On 9/2/2024 12:10 AM, Tejas Vipin wrote:
> Changes the samsung-s6e3fa7 panel to use multi style functions for
> improved error handling.
> 
> Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>

Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>

> ---
>   drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c | 71 ++++++-------------
>   1 file changed, 21 insertions(+), 50 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c b/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
> index 10bc8fb5f1f9..27a059b55ae5 100644
> --- a/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
> +++ b/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
> @@ -38,57 +38,38 @@ static void s6e3fa7_panel_reset(struct s6e3fa7_panel *ctx)
>   	usleep_range(10000, 11000);
>   }
>   
> -static int s6e3fa7_panel_on(struct s6e3fa7_panel *ctx)
> +static int s6e3fa7_panel_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 };
>   
> -	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(120);
> +	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
> +	mipi_dsi_msleep(&dsi_ctx, 120);
> +	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
>   
> -	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_write_seq_multi(&dsi_ctx, 0xf0, 0x5a, 0x5a);
> +	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf4,
> +				     0xbb, 0x23, 0x19, 0x3a, 0x9f, 0x0f, 0x09, 0xc0,
> +				     0x00, 0xb4, 0x37, 0x70, 0x79, 0x69);
> +	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xa5, 0xa5);
> +	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
>   
> -	mipi_dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
> -	mipi_dsi_dcs_write_seq(dsi, 0xf4,
> -			       0xbb, 0x23, 0x19, 0x3a, 0x9f, 0x0f, 0x09, 0xc0,
> -			       0x00, 0xb4, 0x37, 0x70, 0x79, 0x69);
> -	mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
> -	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
> +	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
>   
> -	ret = mipi_dsi_dcs_set_display_on(dsi);
> -	if (ret < 0) {
> -		dev_err(dev, "Failed to set display on: %d\n", ret);
> -		return ret;
> -	}
> -
> -	return 0;
> +	return dsi_ctx.accum_err;
>   }
>   
>   static int s6e3fa7_panel_prepare(struct drm_panel *panel)
>   {
>   	struct s6e3fa7_panel *ctx = to_s6e3fa7_panel(panel);
> -	struct device *dev = &ctx->dsi->dev;
>   	int ret;
>   
>   	s6e3fa7_panel_reset(ctx);
>   
> -	ret = s6e3fa7_panel_on(ctx);
> -	if (ret < 0) {
> -		dev_err(dev, "Failed to initialize panel: %d\n", ret);
> +	ret = s6e3fa7_panel_on(ctx->dsi);
> +	if (ret < 0)
>   		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
> -		return ret;
> -	}
>   
> -	return 0;
> +	return ret;
>   }
>   
>   static int s6e3fa7_panel_unprepare(struct drm_panel *panel)
> @@ -104,23 +85,13 @@ static int s6e3fa7_panel_disable(struct drm_panel *panel)
>   {
>   	struct s6e3fa7_panel *ctx = to_s6e3fa7_panel(panel);
>   	struct mipi_dsi_device *dsi = ctx->dsi;
> -	struct device *dev = &dsi->dev;
> -	int ret;
> -
> -	ret = mipi_dsi_dcs_set_display_off(dsi);
> -	if (ret < 0) {
> -		dev_err(dev, "Failed to set display off: %d\n", ret);
> -		return ret;
> -	}
> +	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
>   
> -	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_dcs_enter_sleep_mode_multi(&dsi_ctx);
> +	mipi_dsi_msleep(&dsi_ctx, 120);
>   
> -	return 0;
> +	return dsi_ctx.accum_err;
>   }
>   
>   static const struct drm_display_mode s6e3fa7_panel_mode = {
> -- 
> 2.46.0
>
Doug Anderson Sept. 10, 2024, 9:29 p.m. UTC | #3 
Hi,

On Mon, Sep 2, 2024 at 12:10 AM Tejas Vipin <tejasvipin76@gmail.com> wrote:
>
> Changes the samsung-s6e3fa7 panel to use multi style functions for
> improved error handling.
>
> Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
> ---
>  drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c | 71 ++++++-------------
>  1 file changed, 21 insertions(+), 50 deletions(-)

Pushed to drm-misc-next:

[1/1] drm/panel: samsung-s6e3fa7: transition to mipi_dsi wrapped functions
      commit: f327bfdbf6c6d7d8e5402795c7c97fb97c2dcf79

-Doug
diff mbox series

Patch

diff --git a/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c b/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
index 10bc8fb5f1f9..27a059b55ae5 100644
--- a/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
+++ b/drivers/gpu/drm/panel/panel-samsung-s6e3fa7.c
@@ -38,57 +38,38 @@  static void s6e3fa7_panel_reset(struct s6e3fa7_panel *ctx)
 	usleep_range(10000, 11000);
 }
 
-static int s6e3fa7_panel_on(struct s6e3fa7_panel *ctx)
+static int s6e3fa7_panel_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 };
 
-	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(120);
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 120);
+	mipi_dsi_dcs_set_tear_on_multi(&dsi_ctx, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
 
-	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_write_seq_multi(&dsi_ctx, 0xf0, 0x5a, 0x5a);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf4,
+				     0xbb, 0x23, 0x19, 0x3a, 0x9f, 0x0f, 0x09, 0xc0,
+				     0x00, 0xb4, 0x37, 0x70, 0x79, 0x69);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xf0, 0xa5, 0xa5);
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
 
-	mipi_dsi_dcs_write_seq(dsi, 0xf0, 0x5a, 0x5a);
-	mipi_dsi_dcs_write_seq(dsi, 0xf4,
-			       0xbb, 0x23, 0x19, 0x3a, 0x9f, 0x0f, 0x09, 0xc0,
-			       0x00, 0xb4, 0x37, 0x70, 0x79, 0x69);
-	mipi_dsi_dcs_write_seq(dsi, 0xf0, 0xa5, 0xa5);
-	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x20);
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
 
-	ret = mipi_dsi_dcs_set_display_on(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display on: %d\n", ret);
-		return ret;
-	}
-
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static int s6e3fa7_panel_prepare(struct drm_panel *panel)
 {
 	struct s6e3fa7_panel *ctx = to_s6e3fa7_panel(panel);
-	struct device *dev = &ctx->dsi->dev;
 	int ret;
 
 	s6e3fa7_panel_reset(ctx);
 
-	ret = s6e3fa7_panel_on(ctx);
-	if (ret < 0) {
-		dev_err(dev, "Failed to initialize panel: %d\n", ret);
+	ret = s6e3fa7_panel_on(ctx->dsi);
+	if (ret < 0)
 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);
-		return ret;
-	}
 
-	return 0;
+	return ret;
 }
 
 static int s6e3fa7_panel_unprepare(struct drm_panel *panel)
@@ -104,23 +85,13 @@  static int s6e3fa7_panel_disable(struct drm_panel *panel)
 {
 	struct s6e3fa7_panel *ctx = to_s6e3fa7_panel(panel);
 	struct mipi_dsi_device *dsi = ctx->dsi;
-	struct device *dev = &dsi->dev;
-	int ret;
-
-	ret = mipi_dsi_dcs_set_display_off(dsi);
-	if (ret < 0) {
-		dev_err(dev, "Failed to set display off: %d\n", ret);
-		return ret;
-	}
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
-	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_dcs_enter_sleep_mode_multi(&dsi_ctx);
+	mipi_dsi_msleep(&dsi_ctx, 120);
 
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static const struct drm_display_mode s6e3fa7_panel_mode = {