target/linux/brcm2708/patches-4.19/950-0622-drm-connector-Allow-creation-of-margin-props-alone.patch

   1 From 4f2277b18d6bbb6fac50b751c4e513619849b23c Mon Sep 17 00:00:00 2001
   2 From: Boris Brezillon <boris.brezillon@bootlin.com>
   3 Date: Thu, 6 Dec 2018 15:24:37 +0100
   4 Subject: [PATCH] drm/connector: Allow creation of margin props alone
   5
   6 Commit 6c4f52dca36f5e3e2354c30591d38e92f4657ed9 upstream.
   7
   8 TV margins properties can only be added as part of the SDTV TV
   9 connector properties creation, but we might need those props for HDMI
  10 TVs too, so let's move the margins props creation in a separate
  11 function and expose it to drivers.
  12
  13 We also add an helper to attach margins props to a connector.
  14
  15 Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
  16 Reviewed-by: Eric Anholt <eric@anholt.net>
  17 Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
  18 Link: https://patchwork.freedesktop.org/patch/msgid/20181206142439.10441-4-boris.brezillon@bootlin.com
  19 ---
  20  drivers/gpu/drm/drm_connector.c | 83 ++++++++++++++++++++++++++-------
  21  include/drm/drm_connector.h     |  2 +
  22  2 files changed, 67 insertions(+), 18 deletions(-)
  23
  24 --- a/drivers/gpu/drm/drm_connector.c
  25 +++ b/drivers/gpu/drm/drm_connector.c
  26 @@ -1110,6 +1110,70 @@ void drm_hdmi_avi_infoframe_content_type
  27  EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);
  28
  29  /**
  30 + * drm_mode_attach_tv_margin_properties - attach TV connector margin properties
  31 + * @connector: DRM connector
  32 + *
  33 + * Called by a driver when it needs to attach TV margin props to a connector.
  34 + * Typically used on SDTV and HDMI connectors.
  35 + */
  36 +void drm_connector_attach_tv_margin_properties(struct drm_connector *connector)
  37 +{
  38 +       struct drm_device *dev = connector->dev;
  39 +
  40 +       drm_object_attach_property(&connector->base,
  41 +                                  dev->mode_config.tv_left_margin_property,
  42 +                                  0);
  43 +       drm_object_attach_property(&connector->base,
  44 +                                  dev->mode_config.tv_right_margin_property,
  45 +                                  0);
  46 +       drm_object_attach_property(&connector->base,
  47 +                                  dev->mode_config.tv_top_margin_property,
  48 +                                  0);
  49 +       drm_object_attach_property(&connector->base,
  50 +                                  dev->mode_config.tv_bottom_margin_property,
  51 +                                  0);
  52 +}
  53 +EXPORT_SYMBOL(drm_connector_attach_tv_margin_properties);
  54 +
  55 +/**
  56 + * drm_mode_create_tv_margin_properties - create TV connector margin properties
  57 + * @dev: DRM device
  58 + *
  59 + * Called by a driver's HDMI connector initialization routine, this function
  60 + * creates the TV margin properties for a given device. No need to call this
  61 + * function for an SDTV connector, it's already called from
  62 + * drm_mode_create_tv_properties().
  63 + */
  64 +int drm_mode_create_tv_margin_properties(struct drm_device *dev)
  65 +{
  66 +       if (dev->mode_config.tv_left_margin_property)
  67 +               return 0;
  68 +
  69 +       dev->mode_config.tv_left_margin_property =
  70 +               drm_property_create_range(dev, 0, "left margin", 0, 100);
  71 +       if (!dev->mode_config.tv_left_margin_property)
  72 +               return -ENOMEM;
  73 +
  74 +       dev->mode_config.tv_right_margin_property =
  75 +               drm_property_create_range(dev, 0, "right margin", 0, 100);
  76 +       if (!dev->mode_config.tv_right_margin_property)
  77 +               return -ENOMEM;
  78 +
  79 +       dev->mode_config.tv_top_margin_property =
  80 +               drm_property_create_range(dev, 0, "top margin", 0, 100);
  81 +       if (!dev->mode_config.tv_top_margin_property)
  82 +               return -ENOMEM;
  83 +
  84 +       dev->mode_config.tv_bottom_margin_property =
  85 +               drm_property_create_range(dev, 0, "bottom margin", 0, 100);
  86 +       if (!dev->mode_config.tv_bottom_margin_property)
  87 +               return -ENOMEM;
  88 +
  89 +       return 0;
  90 +}
  91 +EXPORT_SYMBOL(drm_mode_create_tv_margin_properties);
  92 +
  93 +/**
  94   * drm_mode_create_tv_properties - create TV specific connector properties
  95   * @dev: DRM device
  96   * @num_modes: number of different TV formats (modes) supported
  97 @@ -1155,24 +1219,7 @@ int drm_mode_create_tv_properties(struct
  98         /*
  99          * Other, TV specific properties: margins & TV modes.
 100          */
 101 -       dev->mode_config.tv_left_margin_property =
 102 -               drm_property_create_range(dev, 0, "left margin", 0, 100);
 103 -       if (!dev->mode_config.tv_left_margin_property)
 104 -               goto nomem;
 105 -
 106 -       dev->mode_config.tv_right_margin_property =
 107 -               drm_property_create_range(dev, 0, "right margin", 0, 100);
 108 -       if (!dev->mode_config.tv_right_margin_property)
 109 -               goto nomem;
 110 -
 111 -       dev->mode_config.tv_top_margin_property =
 112 -               drm_property_create_range(dev, 0, "top margin", 0, 100);
 113 -       if (!dev->mode_config.tv_top_margin_property)
 114 -               goto nomem;
 115 -
 116 -       dev->mode_config.tv_bottom_margin_property =
 117 -               drm_property_create_range(dev, 0, "bottom margin", 0, 100);
 118 -       if (!dev->mode_config.tv_bottom_margin_property)
 119 +       if (drm_mode_create_tv_margin_properties(dev))
 120                 goto nomem;
 121
 122         dev->mode_config.tv_mode_property =
 123 --- a/include/drm/drm_connector.h
 124 +++ b/include/drm/drm_connector.h
 125 @@ -1175,9 +1175,11 @@ const char *drm_get_tv_select_name(int v
 126  const char *drm_get_content_protection_name(int val);
 127
 128  int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 129 +int drm_mode_create_tv_margin_properties(struct drm_device *dev);
 130  int drm_mode_create_tv_properties(struct drm_device *dev,
 131                                   unsigned int num_modes,
 132                                   const char * const modes[]);
 133 +void drm_connector_attach_tv_margin_properties(struct drm_connector *conn);
 134  int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 135  int drm_connector_attach_content_type_property(struct drm_connector *dev);
 136  int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,