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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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1
drivers/gpu/drm/drm_atomic.c
View file

@ -1131,6 +1131,7 @@ static void drm_atomic_connector_print_state(struct drm_printer *p,
drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)"); drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)");
drm_printf(p, "\tself_refresh_aware=%d\n", state->self_refresh_aware); drm_printf(p, "\tself_refresh_aware=%d\n", state->self_refresh_aware);
drm_printf(p, "\tmax_requested_bpc=%d\n", state->max_requested_bpc); drm_printf(p, "\tmax_requested_bpc=%d\n", state->max_requested_bpc);
drm_printf(p, "\tcolorspace=%s\n", drm_get_colorspace_name(state->colorspace));
if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK) if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
if (state->writeback_job && state->writeback_job->fb) if (state->writeback_job && state->writeback_job->fb)

15
drivers/gpu/drm/drm_connector.c
View file

@ -1087,6 +1087,21 @@ static const char * const colorspace_names[] = {
[DRM_MODE_COLORIMETRY_BT601_YCC] = "BT601_YCC", [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 = static const u32 hdmi_colorspaces =
BIT(DRM_MODE_COLORIMETRY_SMPTE_170M_YCC) | BIT(DRM_MODE_COLORIMETRY_SMPTE_170M_YCC) |
BIT(DRM_MODE_COLORIMETRY_BT709_YCC) | BIT(DRM_MODE_COLORIMETRY_BT709_YCC) |

1
include/drm/drm_connector.h
View file

@ -2078,6 +2078,7 @@ void drm_connector_list_iter_end(struct drm_connector_list_iter *iter);
bool drm_connector_has_possible_encoder(struct drm_connector *connector, bool drm_connector_has_possible_encoder(struct drm_connector *connector,
struct drm_encoder *encoder); struct drm_encoder *encoder);
const char *drm_get_colorspace_name(enum drm_colorspace colorspace);
/** /**
* drm_for_each_connector_iter - connector_list iterator macro * drm_for_each_connector_iter - connector_list iterator macro