Introduces mipi_dsi_dual_msleep to make it easier to use msleep in the
case of a double-DSI panel.

Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
---
 include/drm/drm_mipi_dsi.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index bd40a443385c..d9bc0d79dd82 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -306,6 +306,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
 			usleep_range(min, max);	\
 	} while (0)
 
+#define mipi_dsi_dual_msleep(ctx1, ctx2, delay)				\
+	do {								\
+		if ((!(ctx1)->accum_err) || (!(ctx2)->accum_err))	\
+			msleep(delay);					\
+	} while (0)
+
 /**
  * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
  * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking
-- 
2.48.1

On 07/03/2025 10:15, Tejas Vipin wrote:
> Introduces mipi_dsi_dual_msleep to make it easier to use msleep in the
> case of a double-DSI panel.
> 
> Signed-off-by: Tejas Vipin <tejasvipin76@gmail.com>
> ---
>   include/drm/drm_mipi_dsi.h | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
> index bd40a443385c..d9bc0d79dd82 100644
> --- a/include/drm/drm_mipi_dsi.h
> +++ b/include/drm/drm_mipi_dsi.h
> @@ -306,6 +306,12 @@ ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
>   			usleep_range(min, max);	\
>   	} while (0)
>   
> +#define mipi_dsi_dual_msleep(ctx1, ctx2, delay)				\
> +	do {								\
> +		if ((!(ctx1)->accum_err) || (!(ctx2)->accum_err))	\
> +			msleep(delay);					\
> +	} while (0)
> +
>   /**
>    * enum mipi_dsi_dcs_tear_mode - Tearing Effect Output Line mode
>    * @MIPI_DSI_DCS_TEAR_MODE_VBLANK: the TE output line consists of V-Blanking

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