[Intel-gfx] [PATCH] drm/i915: content-type property for HDMI connector
Ville Syrjälä
ville.syrjala at linux.intel.com
Fri Apr 13 21:50:34 UTC 2018
On Sat, Apr 14, 2018 at 01:00:19AM +0300, StanLis wrote:
> From: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
>
> Added content_type property to
> drm_connector_state in order to properly handle
> external HDMI TV content-type setting.
>
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy at intel.com>
> ---
> drivers/gpu/drm/drm_atomic.c | 4 ++++
> drivers/gpu/drm/drm_connector.c | 34 +++++++++++++++++++++++++++++
> drivers/gpu/drm/drm_edid.c | 1 +
> drivers/gpu/drm/i915/intel_atomic.c | 1 +
> drivers/gpu/drm/i915/intel_drv.h | 1 +
> drivers/gpu/drm/i915/intel_hdmi.c | 4 ++++
> drivers/gpu/drm/i915/intel_modes.c | 10 +++++++++
> include/drm/drm_connector.h | 2 ++
> include/drm/drm_mode_config.h | 5 +++++
> include/uapi/drm/drm_mode.h | 5 +++++
Pls split the patch into two parts: one for drm core, the other for
i915. Then post to dri-devel, with intel-gfx cc:d.
> 10 files changed, 67 insertions(+)
>
> 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..d03586edd483 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" },
> +};
> +
> 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" },
> @@ -1260,6 +1267,33 @@ 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/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
> index 40285d1b91b7..61ddb5871d8a 100644
> --- a/drivers/gpu/drm/i915/intel_atomic.c
> +++ b/drivers/gpu/drm/i915/intel_atomic.c
> @@ -124,6 +124,7 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
> if (new_conn_state->force_audio != old_conn_state->force_audio ||
> new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb ||
> new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio ||
> + new_conn_state->base.content_type != old_conn_state->base.content_type ||
> new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode)
> crtc_state->mode_changed = true;
>
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 5bd2263407b2..07fd7ba21f38 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1818,6 +1818,7 @@ int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
> void intel_attach_force_audio_property(struct drm_connector *connector);
> void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
> void intel_attach_aspect_ratio_property(struct drm_connector *connector);
> +void intel_attach_content_type_property(struct drm_connector *connector);
>
>
> /* intel_overlay.c */
> diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
> index ee929f31f7db..cd484276e9b0 100644
> --- a/drivers/gpu/drm/i915/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/intel_hdmi.c
> @@ -491,6 +491,8 @@ static void intel_hdmi_set_avi_infoframe(struct drm_encoder *encoder,
> intel_hdmi->rgb_quant_range_selectable,
> is_hdmi2_sink);
>
> + frame.avi.content_type = connector->state->content_type;
> +
> /* TODO: handle pixel repetition for YCBCR420 outputs */
> intel_write_infoframe(encoder, crtc_state, &frame);
> }
> @@ -2065,7 +2067,9 @@ intel_hdmi_add_properties(struct intel_hdmi *intel_hdmi, struct drm_connector *c
> intel_attach_force_audio_property(connector);
> intel_attach_broadcast_rgb_property(connector);
> intel_attach_aspect_ratio_property(connector);
> + intel_attach_content_type_property(connector);
> connector->state->picture_aspect_ratio = HDMI_PICTURE_ASPECT_NONE;
> + connector->state->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
> }
>
> /*
> diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
> index b39846613e3c..232811ab71a3 100644
> --- a/drivers/gpu/drm/i915/intel_modes.c
> +++ b/drivers/gpu/drm/i915/intel_modes.c
> @@ -133,3 +133,13 @@ intel_attach_aspect_ratio_property(struct drm_connector *connector)
> connector->dev->mode_config.aspect_ratio_property,
> DRM_MODE_PICTURE_ASPECT_NONE);
> }
> +
> +void
> +intel_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);
> +}
> +
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 675cc3f8cf85..b656d6ffdca0 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -417,6 +417,7 @@ struct drm_connector_state {
> * values for &enum hdmi_picture_aspect
> */
> enum hdmi_picture_aspect picture_aspect_ratio;
> + enum hdmi_content_type content_type;
Missing kernel-doc here?
I didn't look at things too closely yet, but on a high level
this is looking quite good.
>
> /**
> * @scaling_mode: Connector property to control the
> @@ -1094,6 +1095,7 @@ int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,
> 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 \
> --
> 2.17.0
--
Ville Syrjälä
Intel OTC
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