On 04/18/18 18:51, StanLis wrote:
> From: Stanislav Lisovskiy <[email protected]>
>
> Added content_type property to
> drm_connector_state in order to properly handle
> external HDMI TV content-type setting.
>
> Signed-off-by: Stanislav Lisovskiy <[email protected]>
> ---
> Documentation/gpu/kms-properties.csv | 1 +
> drivers/gpu/drm/drm_atomic.c | 4 +++
> drivers/gpu/drm/drm_connector.c | 50 ++++++++++++++++++++++++++++
> drivers/gpu/drm/drm_edid.c | 1 +
> include/drm/drm_connector.h | 11 ++++++
> include/drm/drm_mode_config.h | 5 +++
> include/uapi/drm/drm_mode.h | 5 +++
> 7 files changed, 77 insertions(+)
>
> diff --git a/Documentation/gpu/kms-properties.csv
> b/Documentation/gpu/kms-properties.csv
> index 6b28b014cb7d..7a02b2782f33 100644
> --- a/Documentation/gpu/kms-properties.csv
> +++ b/Documentation/gpu/kms-properties.csv
> @@ -17,6 +17,7 @@ Owner Module/Drivers,Group,Property Name,Type,Property
> Values,Object attached,De
> ,Virtual GPU,“suggested X”,RANGE,"Min=0, Max=0xffffffff",Connector,property
> to suggest an X offset for a connector
> ,,“suggested Y”,RANGE,"Min=0, Max=0xffffffff",Connector,property to suggest
> an Y offset for a connector
> ,Optional,"""aspect ratio""",ENUM,"{ ""None"", ""4:3"", ""16:9""
> }",Connector,TDB
> +,Optional,"""content type""",ENUM,"{ ""Graphics"", ""Photo"", ""Cinema"",
> ""Game"" }",Connector,TDB
> i915,Generic,"""Broadcast RGB""",ENUM,"{ ""Automatic"", ""Full"", ""Limited
> 16:235"" }",Connector,"When this property is set to Limited 16:235 and CTM is
> set, the hardware will be programmed with the result of the multiplication of
> CTM by the limited range matrix to ensure the pixels normaly in the range
> 0..1.0 are remapped to the range 16/255..235/255."
> ,,“audio”,ENUM,"{ ""force-dvi"", ""off"", ""auto"", ""on"" }",Connector,TBD
> ,SDVO-TV,“mode”,ENUM,"{ ""NTSC_M"", ""NTSC_J"", ""NTSC_443"", ""PAL_B"" }
> etc.",Connector,TBD
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 7d25c42f22db..72fd2a1c801f 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -1266,6 +1266,8 @@ static int drm_atomic_connector_set_property(struct
> drm_connector *connector,
> state->link_status = val;
> } else if (property == config->aspect_ratio_property) {
> state->picture_aspect_ratio = val;
> + } else if (property == config->content_type_property) {
> + state->content_type = val;
> } else if (property == connector->scaling_mode_property) {
> state->scaling_mode = val;
> } else if (property == connector->content_protection_property) {
> @@ -1351,6 +1353,8 @@ drm_atomic_connector_get_property(struct drm_connector
> *connector,
> *val = state->link_status;
> } else if (property == config->aspect_ratio_property) {
> *val = state->picture_aspect_ratio;
> + } else if (property == config->content_type_property) {
> + *val = state->content_type;
> } else if (property == connector->scaling_mode_property) {
> *val = state->scaling_mode;
> } else if (property == connector->content_protection_property) {
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index b3cde897cd80..5633494f6d78 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -720,6 +720,13 @@ static const struct drm_prop_enum_list
> drm_aspect_ratio_enum_list[] = {
> { DRM_MODE_PICTURE_ASPECT_16_9, "16:9" },
> };
>
> +static const struct drm_prop_enum_list drm_content_type_enum_list[] = {
> + { DRM_MODE_CONTENT_TYPE_GRAPHICS, "GRAPHICS" },
> + { DRM_MODE_CONTENT_TYPE_PHOTO, "PHOTO" },
> + { DRM_MODE_CONTENT_TYPE_CINEMA, "CINEMA" },
> + { DRM_MODE_CONTENT_TYPE_GAME, "GAME" },
Just use "Graphics", "Photo", etc. Same as is used in drivers/video/hdmi.c
for logging the AVI InfoFrame.
Regards,
Hans
> +};
> +
> static const struct drm_prop_enum_list drm_panel_orientation_enum_list[] = {
> { DRM_MODE_PANEL_ORIENTATION_NORMAL, "Normal" },
> { DRM_MODE_PANEL_ORIENTATION_BOTTOM_UP, "Upside Down" },
> @@ -996,6 +1003,22 @@ int drm_mode_create_dvi_i_properties(struct drm_device
> *dev)
> }
> EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
>
> +/**
> + * drm_connector_attach_content_type_property - attach content-type property
> + * @dev: DRM device
> + *
> + * Called by a driver the first time a HDMI connector is made.
> + */
> +int drm_connector_attach_content_type_property(struct drm_connector
> *connector)
> +{
> + if (!drm_mode_create_content_type_property(connector->dev))
> + drm_object_attach_property(&connector->base,
> + connector->dev->mode_config.content_type_property,
> + DRM_MODE_CONTENT_TYPE_GRAPHICS);
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_connector_attach_content_type_property);
> +
> /**
> * drm_create_tv_properties - create TV specific connector properties
> * @dev: DRM device
> @@ -1260,6 +1283,33 @@ int drm_mode_create_aspect_ratio_property(struct
> drm_device *dev)
> }
> EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property);
>
> +/**
> + * drm_mode_create_content_type_property - create content type property
> + * @dev: DRM device
> + *
> + * Called by a driver the first time it's needed, must be attached to desired
> + * connectors.
> + *
> + * Returns:
> + * Zero on success, negative errno on failure.
> + */
> +int drm_mode_create_content_type_property(struct drm_device *dev)
> +{
> + if (dev->mode_config.content_type_property)
> + return 0;
> +
> + dev->mode_config.content_type_property =
> + drm_property_create_enum(dev, 0, "content type",
> + drm_content_type_enum_list,
> + ARRAY_SIZE(drm_content_type_enum_list));
> +
> + if (dev->mode_config.content_type_property == NULL)
> + return -ENOMEM;
> +
> + return 0;
> +}
> +EXPORT_SYMBOL(drm_mode_create_content_type_property);
> +
> /**
> * drm_mode_create_suggested_offset_properties - create suggests offset
> properties
> * @dev: DRM device
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 134069f36482..946a182e0201 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -4867,6 +4867,7 @@ drm_hdmi_avi_infoframe_from_display_mode(struct
> hdmi_avi_infoframe *frame,
> }
>
> frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
> + frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
>
> /*
> * Populate picture aspect ratio from either
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 675cc3f8cf85..5399512ed3c1 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -418,6 +418,15 @@ struct drm_connector_state {
> */
> enum hdmi_picture_aspect picture_aspect_ratio;
>
> + /**
> + * @content_type: Connector property to control the
> + * HDMI infoframe content type setting.
> + *
> + * The %DRM_MODE_CONTENT_TYPE_\* values much match the
> + * values for &enum hdmi_content_type
> + */
> + enum hdmi_content_type content_type;
> +
> /**
> * @scaling_mode: Connector property to control the
> * upscaling, mostly used for built-in panels.
> @@ -1089,11 +1098,13 @@ int drm_mode_create_tv_properties(struct drm_device
> *dev,
> unsigned int num_modes,
> const char * const modes[]);
> int drm_mode_create_scaling_mode_property(struct drm_device *dev);
> +int drm_connector_attach_content_type_property(struct drm_connector *dev);
> int drm_connector_attach_scaling_mode_property(struct drm_connector
> *connector,
> u32 scaling_mode_mask);
> int drm_connector_attach_content_protection_property(
> struct drm_connector *connector);
> int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
> +int drm_mode_create_content_type_property(struct drm_device *dev);
> int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
>
> int drm_mode_connector_set_path_property(struct drm_connector *connector,
> diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
> index 33b3a96d66d0..fb45839179dd 100644
> --- a/include/drm/drm_mode_config.h
> +++ b/include/drm/drm_mode_config.h
> @@ -726,6 +726,11 @@ struct drm_mode_config {
> * HDMI infoframe aspect ratio setting.
> */
> struct drm_property *aspect_ratio_property;
> + /**
> + * @content_type_property: Optional connector property to control the
> + * HDMI infoframe content type setting.
> + */
> + struct drm_property *content_type_property;
> /**
> * @degamma_lut_property: Optional CRTC property to set the LUT used to
> * convert the framebuffer's colors to linear gamma.
> diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
> index 50bcf4214ff9..d9f1b290d2a6 100644
> --- a/include/uapi/drm/drm_mode.h
> +++ b/include/uapi/drm/drm_mode.h
> @@ -94,6 +94,11 @@ extern "C" {
> #define DRM_MODE_PICTURE_ASPECT_4_3 1
> #define DRM_MODE_PICTURE_ASPECT_16_9 2
>
> +#define DRM_MODE_CONTENT_TYPE_GRAPHICS 0
> +#define DRM_MODE_CONTENT_TYPE_PHOTO 1
> +#define DRM_MODE_CONTENT_TYPE_CINEMA 2
> +#define DRM_MODE_CONTENT_TYPE_GAME 3
> +
> /* Aspect ratio flag bitmask (4 bits 22:19) */
> #define DRM_MODE_FLAG_PIC_AR_MASK (0x0F<<19)
> #define DRM_MODE_FLAG_PIC_AR_NONE \
>
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