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authorVille Syrjälä <ville.syrjala@linux.intel.com>2017-01-11 15:57:23 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2017-01-26 19:37:13 +0300
commita2ce26f815b16500d390fc46381ec770192a5fbe (patch)
treedcc171a7e43b36e1cbbfb3055ef06b14e0f75430 /include/drm
parentc8127cf08ab9797c3954df463741ac47039d2b55 (diff)
downloadlinux-a2ce26f815b16500d390fc46381ec770192a5fbe.tar.xz
drm/edid: Introduce drm_hdmi_avi_infoframe_quant_range()
Pull the logic to populate the quantization range information in the AVI infoframe into a small helper. We'll be adding a bit more logic to it, and having it in a central place seems like a good idea since it's based on the CEA-861 spec. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170111125725.8086-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_edid.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 25cdf5f7a0d8..cfad4d89589f 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -345,6 +345,10 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
int
drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
const struct drm_display_mode *mode);
+void
+drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
+ enum hdmi_quantization_range rgb_quant_range,
+ bool rgb_quant_range_selectable);
/**
* drm_eld_mnl - Get ELD monitor name length in bytes.