[PATCH 3/8] drm/atomic: Include color encoding/range in plane state dump

[Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx>]

From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Include color_enconding and color_range in the plane state dump.

Cc: Harry Wentland <harry.wentland@xxxxxxx>
Cc: Daniel Vetter <daniel@xxxxxxxx>
Cc: Daniel Stone <daniel@xxxxxxxxxxxxx>
Cc: Russell King - ARM Linux <linux@xxxxxxxxxxxxxxx>
Cc: Ilia Mirkin <imirkin@xxxxxxxxxxxx>
Cc: Hans Verkuil <hverkuil@xxxxxxxxx>
Cc: Uma Shankar <uma.shankar@xxxxxxxxx>
Cc: Shashank Sharma <shashank.sharma@xxxxxxxxx>
Cc: Jyri Sarha <jsarha@xxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/drm_atomic.c        |  4 ++++
 drivers/gpu/drm/drm_color_mgmt.c    | 16 ++++++++++++++++
 drivers/gpu/drm/drm_crtc_internal.h |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 452a0b0bafbc..9552052ed31a 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -952,6 +952,10 @@ static void drm_atomic_plane_print_state(struct drm_printer *p,
 	drm_printf(p, "\tcrtc-pos=" DRM_RECT_FMT "\n", DRM_RECT_ARG(&dest));
 	drm_printf(p, "\tsrc-pos=" DRM_RECT_FP_FMT "\n", DRM_RECT_FP_ARG(&src));
 	drm_printf(p, "\trotation=%x\n", state->rotation);
+	drm_printf(p, "\tcolor-encoding=%s\n",
+		   drm_get_color_encoding_name(state->color_encoding));
+	drm_printf(p, "\tcolor-range=%s\n",
+		   drm_get_color_range_name(state->color_range));
 
 	if (plane->funcs->atomic_print_state)
 		plane->funcs->atomic_print_state(p, state);
diff --git a/drivers/gpu/drm/drm_color_mgmt.c b/drivers/gpu/drm/drm_color_mgmt.c
index 061d342f9d96..06851d575f14 100644
--- a/drivers/gpu/drm/drm_color_mgmt.c
+++ b/drivers/gpu/drm/drm_color_mgmt.c
@@ -365,6 +365,22 @@ static const char * const color_range_name[] = {
 	[DRM_COLOR_YCBCR_LIMITED_RANGE] = "YCbCr limited range",
 };
 
+const char *drm_get_color_encoding_name(enum drm_color_encoding encoding)
+{
+	if (WARN_ON(encoding >= ARRAY_SIZE(color_encoding_name)))
+		return "unknown";
+
+	return color_encoding_name[encoding];
+}
+
+const char *drm_get_color_range_name(enum drm_color_range range)
+{
+	if (WARN_ON(range >= ARRAY_SIZE(color_range_name)))
+		return "unknown";
+
+	return color_range_name[range];
+}
+
 /**
  * drm_plane_create_color_properties - color encoding related plane properties
  * @supported_encodings: bitfield indicating supported color encodings
diff --git a/drivers/gpu/drm/drm_crtc_internal.h b/drivers/gpu/drm/drm_crtc_internal.h
index af00f42ba269..8ca2ffef6231 100644
--- a/drivers/gpu/drm/drm_crtc_internal.h
+++ b/drivers/gpu/drm/drm_crtc_internal.h
@@ -71,6 +71,8 @@ int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
 				void *data, struct drm_file *file_priv);
 
 /* drm_color_mgmt.c */
+const char *drm_get_color_encoding_name(enum drm_color_encoding encoding);
+const char *drm_get_color_range_name(enum drm_color_range range);
 
 /* IOCTLs */
 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
-- 
2.13.6

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