From 56406e15b5e83256151ef74eb1a219cbf13d91c8 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Thu, 6 Dec 2018 15:24:36 +0100 Subject: drm/connector: Clarify the unit of TV margins All margins are expressed in pixels. Clarify that in the doc. Signed-off-by: Boris Brezillon Reviewed-by: Eric Anholt Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20181206142439.10441-3-boris.brezillon@bootlin.com --- include/drm/drm_connector.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/drm/drm_connector.h') diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 665b9cae7f43..9d28e8180cfd 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -394,7 +394,7 @@ int drm_display_info_set_bus_formats(struct drm_display_info *info, /** * struct drm_tv_connector_state - TV connector related states * @subconnector: selected subconnector - * @margins: margins + * @margins: margins (all margins are expressed in pixels) * @margins.left: left margin * @margins.right: right margin * @margins.top: top margin -- cgit v1.2.3 From 6c4f52dca36f5e3e2354c30591d38e92f4657ed9 Mon Sep 17 00:00:00 2001 From: Boris Brezillon Date: Thu, 6 Dec 2018 15:24:37 +0100 Subject: drm/connector: Allow creation of margin props alone TV margins properties can only be added as part of the SDTV TV connector properties creation, but we might need those props for HDMI TVs too, so let's move the margins props creation in a separate function and expose it to drivers. We also add an helper to attach margins props to a connector. Signed-off-by: Boris Brezillon Reviewed-by: Eric Anholt Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20181206142439.10441-4-boris.brezillon@bootlin.com --- drivers/gpu/drm/drm_connector.c | 83 ++++++++++++++++++++++++++++++++--------- include/drm/drm_connector.h | 2 + 2 files changed, 67 insertions(+), 18 deletions(-) (limited to 'include/drm/drm_connector.h') diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 32946eff5488..66b2fd20369a 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -1137,6 +1137,70 @@ void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame, } EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type); +/** + * drm_mode_attach_tv_margin_properties - attach TV connector margin properties + * @connector: DRM connector + * + * Called by a driver when it needs to attach TV margin props to a connector. + * Typically used on SDTV and HDMI connectors. + */ +void drm_connector_attach_tv_margin_properties(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + + drm_object_attach_property(&connector->base, + dev->mode_config.tv_left_margin_property, + 0); + drm_object_attach_property(&connector->base, + dev->mode_config.tv_right_margin_property, + 0); + drm_object_attach_property(&connector->base, + dev->mode_config.tv_top_margin_property, + 0); + drm_object_attach_property(&connector->base, + dev->mode_config.tv_bottom_margin_property, + 0); +} +EXPORT_SYMBOL(drm_connector_attach_tv_margin_properties); + +/** + * drm_mode_create_tv_margin_properties - create TV connector margin properties + * @dev: DRM device + * + * Called by a driver's HDMI connector initialization routine, this function + * creates the TV margin properties for a given device. No need to call this + * function for an SDTV connector, it's already called from + * drm_mode_create_tv_properties(). + */ +int drm_mode_create_tv_margin_properties(struct drm_device *dev) +{ + if (dev->mode_config.tv_left_margin_property) + return 0; + + dev->mode_config.tv_left_margin_property = + drm_property_create_range(dev, 0, "left margin", 0, 100); + if (!dev->mode_config.tv_left_margin_property) + return -ENOMEM; + + dev->mode_config.tv_right_margin_property = + drm_property_create_range(dev, 0, "right margin", 0, 100); + if (!dev->mode_config.tv_right_margin_property) + return -ENOMEM; + + dev->mode_config.tv_top_margin_property = + drm_property_create_range(dev, 0, "top margin", 0, 100); + if (!dev->mode_config.tv_top_margin_property) + return -ENOMEM; + + dev->mode_config.tv_bottom_margin_property = + drm_property_create_range(dev, 0, "bottom margin", 0, 100); + if (!dev->mode_config.tv_bottom_margin_property) + return -ENOMEM; + + return 0; +} +EXPORT_SYMBOL(drm_mode_create_tv_margin_properties); + /** * drm_mode_create_tv_properties - create TV specific connector properties * @dev: DRM device @@ -1183,24 +1247,7 @@ int drm_mode_create_tv_properties(struct drm_device *dev, /* * Other, TV specific properties: margins & TV modes. */ - dev->mode_config.tv_left_margin_property = - drm_property_create_range(dev, 0, "left margin", 0, 100); - if (!dev->mode_config.tv_left_margin_property) - goto nomem; - - dev->mode_config.tv_right_margin_property = - drm_property_create_range(dev, 0, "right margin", 0, 100); - if (!dev->mode_config.tv_right_margin_property) - goto nomem; - - dev->mode_config.tv_top_margin_property = - drm_property_create_range(dev, 0, "top margin", 0, 100); - if (!dev->mode_config.tv_top_margin_property) - goto nomem; - - dev->mode_config.tv_bottom_margin_property = - drm_property_create_range(dev, 0, "bottom margin", 0, 100); - if (!dev->mode_config.tv_bottom_margin_property) + if (drm_mode_create_tv_margin_properties(dev)) goto nomem; dev->mode_config.tv_mode_property = diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 9d28e8180cfd..594f8d33a61f 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -1238,9 +1238,11 @@ const char *drm_get_tv_select_name(int val); const char *drm_get_content_protection_name(int val); int drm_mode_create_dvi_i_properties(struct drm_device *dev); +int drm_mode_create_tv_margin_properties(struct drm_device *dev); int drm_mode_create_tv_properties(struct drm_device *dev, unsigned int num_modes, const char * const modes[]); +void drm_connector_attach_tv_margin_properties(struct drm_connector *conn); 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, -- cgit v1.2.3