Move away from using deprecated API and use _multi variants
if available. Use mipi_dsi_msleep() and mipi_dsi_usleep_range()
instead of msleep() and usleep_range() respectively.

Used Coccinelle to find the _multi variant APIs,replacing
mpi_dsi_msleep() where necessary and for returning
dsi_ctx.accum_err in these functions. mipi_dsi_dcs_write()
does not have a corresponding _multi() variant. Replacing it with
mipi_dsi_dcs_write_seq_multi() instead. This change is manual.

The Coccinelle script is the same as the one in commit c8ba07caaecc
("drm/panel/synaptics-r63353: Use _multi variants")

v2: Use mipi_dsi_write_buffer_multi() in place of
mipi_dsi_dcs_write(). (Dmitry)

v3: add commit details where the same coccinelle script is
used and remove the actual script from commit log.
Use mipi_dsi_dcs_write_seq_multi() for mipi_dsi_dcs_write() (Doug)

Cc: Maxime Ripard <mripard@kernel.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Tejas Vipin <tejasvipin76@gmail.com>
Cc: Doug Anderson <dianders@chromium.org>
Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
---
Changes in v3:
- Simplify commit log by adding a reference to a patch that uses the
  same script.
- Simplify code by using a helper that doesnt need additional code
  changes other then using the helper itself.

- Link to v2: https://lore.kernel.org/r/20250324-b4-panel-ls043t1le01-v2-1-e43aedc115be@redhat.com

Changes in v2:
- While mipi_dsi_dcs_write() does not have a corresponding _multi()
  variant replace it with mipi_dsi_dcs_write_buffer_multi() to have all
  APIs following _multi() usage for easier error handling

- Link to v1: https://lore.kernel.org/r/20250316-b4-panel-ls043t1le01-v1-1-ee38371b0ba0@redhat.com
---
 drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 41 +++++++++----------------
 1 file changed, 15 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
index 729cbb0d8403ff7c0c4b9d21774909cc298904a2..36abfa2e65e962af2a08aec3e63ba1077a2c43d4 100644
--- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
+++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
@@ -36,60 +36,49 @@ static inline struct sharp_nt_panel *to_sharp_nt_panel(struct drm_panel *panel)
 static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)
 {
 	struct mipi_dsi_device *dsi = sharp_nt->dsi;
-	int ret;
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
 
-	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
 
-	msleep(120);
+	mipi_dsi_msleep(&dsi_ctx, 120);
 
 	/* Novatek two-lane operation */
-	ret = mipi_dsi_dcs_write(dsi, 0xae, (u8[]){ 0x03 }, 1);
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xae,  0x03);
 
 	/* Set both MCU and RGB I/F to 24bpp */
-	ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT |
-					(MIPI_DCS_PIXEL_FMT_24BIT << 4));
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx,
+					    MIPI_DCS_PIXEL_FMT_24BIT |
+					    (MIPI_DCS_PIXEL_FMT_24BIT << 4));
 
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)
 {
 	struct mipi_dsi_device *dsi = sharp_nt->dsi;
-	int ret;
+	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
 
 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
 
-	ret = mipi_dsi_dcs_set_display_on(dsi);
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
 
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)
 {
 	struct mipi_dsi_device *dsi = sharp_nt->dsi;
-	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)
-		return ret;
+	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
 
-	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
-	if (ret < 0)
-		return ret;
+	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
 
-	return 0;
+	return dsi_ctx.accum_err;
 }
 
 static int sharp_nt_panel_unprepare(struct drm_panel *panel)

---
base-commit: dbe74119ff71c00f2d863a32f72aab2d15e61c39
change-id: 20250316-b4-panel-ls043t1le01-7407b896b7a8

Best regards,
-- 
Anusha Srivatsa <asrivats@redhat.com>

On Wed, 26 Mar 2025 23:29:19 -0400, Anusha Srivatsa wrote:
> Move away from using deprecated API and use _multi variants
> if available. Use mipi_dsi_msleep() and mipi_dsi_usleep_range()
> instead of msleep() and usleep_range() respectively.
> 
> Used Coccinelle to find the _multi variant APIs,replacing
> mpi_dsi_msleep() where necessary and for returning
> dsi_ctx.accum_err in these functions. mipi_dsi_dcs_write()
> does not have a corresponding _multi() variant. Replacing it with
> mipi_dsi_dcs_write_seq_multi() instead. This change is manual.
> 
> [...]

Applied to drm-misc-next, thanks!

[1/1] drm/panel/sharp-ls043t1le01: Use _multi variants
      commit: 20e8219205145e1af3b98b6a0a3cc59568116a05

Best regards,
-- 
With best wishes
Dmitry

Hi,

On Wed, Mar 26, 2025 at 8:29 PM Anusha Srivatsa <asrivats@redhat.com> wrote:
>
> Move away from using deprecated API and use _multi variants
> if available. Use mipi_dsi_msleep() and mipi_dsi_usleep_range()
> instead of msleep() and usleep_range() respectively.
>
> Used Coccinelle to find the _multi variant APIs,replacing
> mpi_dsi_msleep() where necessary and for returning
> dsi_ctx.accum_err in these functions. mipi_dsi_dcs_write()
> does not have a corresponding _multi() variant. Replacing it with
> mipi_dsi_dcs_write_seq_multi() instead. This change is manual.
>
> The Coccinelle script is the same as the one in commit c8ba07caaecc
> ("drm/panel/synaptics-r63353: Use _multi variants")
>
> v2: Use mipi_dsi_write_buffer_multi() in place of
> mipi_dsi_dcs_write(). (Dmitry)
>
> v3: add commit details where the same coccinelle script is
> used and remove the actual script from commit log.
> Use mipi_dsi_dcs_write_seq_multi() for mipi_dsi_dcs_write() (Doug)
>
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Cc: Tejas Vipin <tejasvipin76@gmail.com>
> Cc: Doug Anderson <dianders@chromium.org>
> Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
> ---
> Changes in v3:
> - Simplify commit log by adding a reference to a patch that uses the
>   same script.
> - Simplify code by using a helper that doesnt need additional code
>   changes other then using the helper itself.
>
> - Link to v2: https://lore.kernel.org/r/20250324-b4-panel-ls043t1le01-v2-1-e43aedc115be@redhat.com
>
> Changes in v2:
> - While mipi_dsi_dcs_write() does not have a corresponding _multi()
>   variant replace it with mipi_dsi_dcs_write_buffer_multi() to have all
>   APIs following _multi() usage for easier error handling
>
> - Link to v1: https://lore.kernel.org/r/20250316-b4-panel-ls043t1le01-v1-1-ee38371b0ba0@redhat.com
> ---
>  drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 41 +++++++++----------------
>  1 file changed, 15 insertions(+), 26 deletions(-)

Reviewed-by: Douglas Anderson <dianders@chromium.org>

On 27/03/2025 04:29, Anusha Srivatsa wrote:
> Move away from using deprecated API and use _multi variants
> if available. Use mipi_dsi_msleep() and mipi_dsi_usleep_range()
> instead of msleep() and usleep_range() respectively.
> 
> Used Coccinelle to find the _multi variant APIs,replacing
> mpi_dsi_msleep() where necessary and for returning
> dsi_ctx.accum_err in these functions. mipi_dsi_dcs_write()
> does not have a corresponding _multi() variant. Replacing it with
> mipi_dsi_dcs_write_seq_multi() instead. This change is manual.
> 
> The Coccinelle script is the same as the one in commit c8ba07caaecc
> ("drm/panel/synaptics-r63353: Use _multi variants")
> 
> v2: Use mipi_dsi_write_buffer_multi() in place of
> mipi_dsi_dcs_write(). (Dmitry)
> 
> v3: add commit details where the same coccinelle script is
> used and remove the actual script from commit log.
> Use mipi_dsi_dcs_write_seq_multi() for mipi_dsi_dcs_write() (Doug)
> 
> Cc: Maxime Ripard <mripard@kernel.org>
> Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Cc: Tejas Vipin <tejasvipin76@gmail.com>
> Cc: Doug Anderson <dianders@chromium.org>
> Signed-off-by: Anusha Srivatsa <asrivats@redhat.com>
> ---
> Changes in v3:
> - Simplify commit log by adding a reference to a patch that uses the
>    same script.
> - Simplify code by using a helper that doesnt need additional code
>    changes other then using the helper itself.
> 
> - Link to v2: https://lore.kernel.org/r/20250324-b4-panel-ls043t1le01-v2-1-e43aedc115be@redhat.com
> 
> Changes in v2:
> - While mipi_dsi_dcs_write() does not have a corresponding _multi()
>    variant replace it with mipi_dsi_dcs_write_buffer_multi() to have all
>    APIs following _multi() usage for easier error handling
> 
> - Link to v1: https://lore.kernel.org/r/20250316-b4-panel-ls043t1le01-v1-1-ee38371b0ba0@redhat.com
> ---
>   drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c | 41 +++++++++----------------
>   1 file changed, 15 insertions(+), 26 deletions(-)
> 
> diff --git a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
> index 729cbb0d8403ff7c0c4b9d21774909cc298904a2..36abfa2e65e962af2a08aec3e63ba1077a2c43d4 100644
> --- a/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
> +++ b/drivers/gpu/drm/panel/panel-sharp-ls043t1le01.c
> @@ -36,60 +36,49 @@ static inline struct sharp_nt_panel *to_sharp_nt_panel(struct drm_panel *panel)
>   static int sharp_nt_panel_init(struct sharp_nt_panel *sharp_nt)
>   {
>   	struct mipi_dsi_device *dsi = sharp_nt->dsi;
> -	int ret;
> +	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
>   
>   	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
>   
> -	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
> -	if (ret < 0)
> -		return ret;
> +	mipi_dsi_dcs_exit_sleep_mode_multi(&dsi_ctx);
>   
> -	msleep(120);
> +	mipi_dsi_msleep(&dsi_ctx, 120);
>   
>   	/* Novatek two-lane operation */
> -	ret = mipi_dsi_dcs_write(dsi, 0xae, (u8[]){ 0x03 }, 1);
> -	if (ret < 0)
> -		return ret;
> +	mipi_dsi_dcs_write_seq_multi(&dsi_ctx, 0xae,  0x03);
>   
>   	/* Set both MCU and RGB I/F to 24bpp */
> -	ret = mipi_dsi_dcs_set_pixel_format(dsi, MIPI_DCS_PIXEL_FMT_24BIT |
> -					(MIPI_DCS_PIXEL_FMT_24BIT << 4));
> -	if (ret < 0)
> -		return ret;
> +	mipi_dsi_dcs_set_pixel_format_multi(&dsi_ctx,
> +					    MIPI_DCS_PIXEL_FMT_24BIT |
> +					    (MIPI_DCS_PIXEL_FMT_24BIT << 4));
>   
> -	return 0;
> +	return dsi_ctx.accum_err;
>   }
>   
>   static int sharp_nt_panel_on(struct sharp_nt_panel *sharp_nt)
>   {
>   	struct mipi_dsi_device *dsi = sharp_nt->dsi;
> -	int ret;
> +	struct mipi_dsi_multi_context dsi_ctx = { .dsi = dsi };
>   
>   	dsi->mode_flags |= MIPI_DSI_MODE_LPM;
>   
> -	ret = mipi_dsi_dcs_set_display_on(dsi);
> -	if (ret < 0)
> -		return ret;
> +	mipi_dsi_dcs_set_display_on_multi(&dsi_ctx);
>   
> -	return 0;
> +	return dsi_ctx.accum_err;
>   }
>   
>   static int sharp_nt_panel_off(struct sharp_nt_panel *sharp_nt)
>   {
>   	struct mipi_dsi_device *dsi = sharp_nt->dsi;
> -	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)
> -		return ret;
> +	mipi_dsi_dcs_set_display_off_multi(&dsi_ctx);
>   
> -	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
> -	if (ret < 0)
> -		return ret;
> +	mipi_dsi_dcs_enter_sleep_mode_multi(&dsi_ctx);
>   
> -	return 0;
> +	return dsi_ctx.accum_err;
>   }
>   
>   static int sharp_nt_panel_unprepare(struct drm_panel *panel)
> 
> ---
> base-commit: dbe74119ff71c00f2d863a32f72aab2d15e61c39
> change-id: 20250316-b4-panel-ls043t1le01-7407b896b7a8
> 
> Best regards,

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>