Re: [PATCH] drm/connector: document supported_colorspaces and DRM_MODE_COLORIMETRY_COUNT

From: Randy Dunlap
Date: Wed Sep 06 2023 - 16:28:52 EST


Hi,

On 9/6/23 11:19, Javier Carrasco wrote:
> The supported_colorspaces parameter was added to the following
> functions without documenting it:
>
> drm_mode_create_dp_colorspace_property
> drm_mode_create_hdmi_colorspace_property
>
> The missing descriptions generate warnings when compiling the
> documentation. Add the descriptions to document the
> supported_colorspaces parameter.
>
> The drm_colorspace enum member DRM_MODE_COLORIMETRY_COUNT has been
> properly documented by moving the description out of the enum to the
> member description list to get rid of an additional warning and improve
> documentation clarity.
>
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz@xxxxxxxxx>
> ---
> The supported_colorspaces parameter was added to the following
> functions without documenting it:
>
> drm_mode_create_dp_colorspace_property
> drm_mode_create_hdmi_colorspace_property
>
> The missing descriptions generate warnings when compiling the
> documentation. Add the descriptions to document the
> supported_colorspaces parameter.
>
> The drm_colorspace enum member DRM_MODE_COLORIMETRY_COUNT has been
> properly documented by moving the description out of the enum to the
> member description list to get rid of an additional warning and improve
> documentation clarity.
> ---
> drivers/gpu/drm/drm_connector.c | 2 ++
> include/drm/drm_connector.h | 3 ++-
> 2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index bf8371dc2a61..77bfe17dcf98 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c

These (2) are already fixed in linux-next.

> @@ -2203,6 +2203,7 @@ static int drm_mode_create_colorspace_property(struct drm_connector *connector,
> /**
> * drm_mode_create_hdmi_colorspace_property - create hdmi colorspace property
> * @connector: connector to create the Colorspace property on.
> + * @supported_colorspaces: colorspaces supported by the driver.
> *
> * Called by a driver the first time it's needed, must be attached to desired
> * HDMI connectors.
> @@ -2227,6 +2228,7 @@ EXPORT_SYMBOL(drm_mode_create_hdmi_colorspace_property);
> /**
> * drm_mode_create_dp_colorspace_property - create dp colorspace property
> * @connector: connector to create the Colorspace property on.
> + * @supported_colorspaces: colorspaces supported by the driver.
> *
> * Called by a driver the first time it's needed, must be attached to desired
> * DP connectors.
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index d300fde6c1a4..18cf46e3478b 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h

This one still needs to be fixed/applied.
You can add:

Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Thanks.

> @@ -498,6 +498,8 @@ enum drm_privacy_screen_status {
> * ITU-R BT.601 colorimetry format
> * The DP spec does not say whether this is the 525 or the 625
> * line version.
> + * @DRM_MODE_COLORIMETRY_COUNT:
> + * Not a valid value; merely used four counting
> */
> enum drm_colorspace {
> /* For Default case, driver will set the colorspace */
> @@ -522,7 +524,6 @@ enum drm_colorspace {
> DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED = 13,
> DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT = 14,
> DRM_MODE_COLORIMETRY_BT601_YCC = 15,
> - /* not a valid value; merely used for counting */
> DRM_MODE_COLORIMETRY_COUNT
> };
>
>
> ---
> base-commit: 65d6e954e37872fd9afb5ef3fc0481bb3c2f20f4
> change-id: 20230906-topic-drm_connector_doc-42dae3ba43c6
>
> Best regards,

--
~Randy