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| author | Harry Wentland <harry.wentland@amd.com> | 2022-11-30 16:11:30 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-06-09 12:46:41 -0400 |
| commit | 035d53e0f36da6ce49abf7bea3d9b30a075ff247 (patch) | |
| tree | 76c6a7c84a13ccd8485cd1d00edb036c8e177fdc /drivers/gpu/drm/drm_connector.c | |
| parent | c627087cb164d1675323c7942fa29bded4263dfc (diff) | |
| download | lwn-035d53e0f36da6ce49abf7bea3d9b30a075ff247.tar.gz lwn-035d53e0f36da6ce49abf7bea3d9b30a075ff247.zip | |
drm/connector: Print connector colorspace in state debugfs
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>
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index b823b10ed697..e1d7a40e1776 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -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) | |