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drm/connector: Print connector colorspace in state debugfs

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v3: Fix kerneldocs (kernel test robot)

v4: Avoid returning NULL from drm_get_colorspace_name

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Sebastian Wick <sebastian.wick@redhat.com>
Reviewed-by: Joshua Ashton <joshua@froggi.es>
Reviewed-by: Simon Ser <contact@emersion.fr>

Cc: Pekka Paalanen <ppaalanen@gmail.com>
Cc: Sebastian Wick <sebastian.wick@redhat.com>
Cc: Vitaly.Prosyak@amd.com
Cc: Uma Shankar <uma.shankar@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Joshua Ashton <joshua@froggi.es>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Simon Ser <contact@emersion.fr>
Cc: Melissa Wen <mwen@igalia.com>
Cc: dri-devel@lists.freedesktop.org
Cc: amd-gfx@lists.freedesktop.org
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harry Wentland
2022-11-30 16:11:30 -05:00
committed by Alex Deucher
parent c627087cb1
commit 035d53e0f3
3 changed files with 17 additions and 0 deletions
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15
drivers/gpu/drm/drm_connector.c
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@@ -1087,6 +1087,21 @@ static const char * const colorspace_names[] = {
[DRM_MODE_COLORIMETRY_BT601_YCC] = "BT601_YCC",
};
/**
* drm_get_colorspace_name - return a string for color encoding
* @colorspace: color space to compute name of
*
* In contrast to the other drm_get_*_name functions this one here returns a
* const pointer and hence is threadsafe.
*/
const char *drm_get_colorspace_name(enum drm_colorspace colorspace)
{
if (colorspace < ARRAY_SIZE(colorspace_names) && colorspace_names[colorspace])
return colorspace_names[colorspace];
else
return "(null)";
}
static const u32 hdmi_colorspaces =
BIT(DRM_MODE_COLORIMETRY_SMPTE_170M_YCC) |
BIT(DRM_MODE_COLORIMETRY_BT709_YCC) |