v3: Fix kerneldocs (kernel test robot)
v4: Avoid returning NULL from drm_get_colorspace_name
Signed-off-by: Harry Wentland <harry.wentland@xxxxxxx>
Reviewed-by: Sebastian Wick <sebastian.wick@xxxxxxxxxx>
Reviewed-by: Joshua Ashton <joshua@xxxxxxxxx>
Cc: Pekka Paalanen <ppaalanen@xxxxxxxxx>
Cc: Sebastian Wick <sebastian.wick@xxxxxxxxxx>
Cc: Vitaly.Prosyak@xxxxxxx
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Joshua Ashton <joshua@xxxxxxxxx>
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Simon Ser <contact@xxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Cc: Melissa Wen <mwen@xxxxxxxxxx>
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
---
drivers/gpu/drm/drm_atomic.c | 1 +
drivers/gpu/drm/drm_connector.c | 15 +++++++++++++++
include/drm/drm_connector.h | 1 +
3 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index c0dc5858a723..d6d04c4ccfc0 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -1071,6 +1071,7 @@ 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, "\tself_refresh_aware=%d\n", state->self_refresh_aware);
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 (state->writeback_job && state->writeback_job->fb)
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 484effc731df..46bf1f2ad535 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -1048,6 +1048,21 @@ 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) |
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index fad38cdf4f79..9d9e4d6f0449 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1988,6 +1988,7 @@ void drm_connector_list_iter_end(struct drm_connector_list_iter *iter);
bool drm_connector_has_possible_encoder(struct drm_connector *connector,
struct drm_encoder *encoder);
+const char *drm_get_colorspace_name(enum drm_colorspace colorspace);
/**
* drm_for_each_connector_iter - connector_list iterator macro
--
2.41.0
