[RFC v4 10/22] lib/igt_kms: Add support for DATA colorop property

[Bhanuprakash Modem <bhanuprakash.modem@intel.com>]

From: Harry Wentland <harry.wentland@amd.com>

v2: (Bhanu)
 - Rebase

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
---
 lib/igt_kms.c | 33 +++++++++++++++++++++++++++++++++
 lib/igt_kms.h | 11 ++++++++---
 2 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/lib/igt_kms.c b/lib/igt_kms.c
index dc498a9cd..76b264bbb 100644
--- a/lib/igt_kms.c
+++ b/lib/igt_kms.c
@@ -689,6 +689,7 @@ const char * const igt_colorop_prop_names[IGT_NUM_COLOROP_PROPS] = {
 	[IGT_COLOROP_TYPE] = "TYPE",
 	[IGT_COLOROP_BYPASS] = "BYPASS",
 	[IGT_COLOROP_CURVE_1D_TYPE] = "CURVE_1D_TYPE",
+	[IGT_COLOROP_DATA] = "DATA",
 	[IGT_COLOROP_NEXT] = "NEXT",
 };
 
@@ -4241,6 +4242,38 @@ igt_plane_replace_prop_blob(igt_plane_t *plane, enum igt_atomic_plane_properties
 	igt_plane_set_prop_changed(plane, prop);
 }
 
+/**
+ * igt_colorop_replace_prop_blob:
+ * @plane: colorop to set property on.
+ * @prop: property for which the blob will be replaced.
+ * @ptr: Pointer to contents for the property.
+ * @length: Length of contents.
+ *
+ * This function will destroy the old property blob for the given property,
+ * and will create a new property blob with the values passed to this function.
+ *
+ * The new property blob will be committed when you call igt_display_commit(),
+ * igt_display_commit2() or igt_display_commit_atomic().
+ */
+void
+igt_colorop_replace_prop_blob(igt_colorop_t *colorop, enum igt_atomic_colorop_properties prop, const void *ptr, size_t length)
+{
+	igt_display_t *display = colorop->plane->pipe->display;
+	uint64_t *blob = &colorop->values[prop];
+	uint32_t blob_id = 0;
+
+	if (*blob != 0)
+		igt_assert(drmModeDestroyPropertyBlob(display->drm_fd,
+						      *blob) == 0);
+
+	if (length > 0)
+		igt_assert(drmModeCreatePropertyBlob(display->drm_fd,
+						     ptr, length, &blob_id) == 0);
+
+	*blob = blob_id;
+	igt_colorop_set_prop_changed(colorop, prop);
+}
+
 /**
  * igt_colorop_try_prop_enum:
  * @colorop: Target colorop.
diff --git a/lib/igt_kms.h b/lib/igt_kms.h
index eefe4fdcc..cbdc325a2 100644
--- a/lib/igt_kms.h
+++ b/lib/igt_kms.h
@@ -352,6 +352,7 @@ enum igt_atomic_colorop_properties {
 	IGT_COLOROP_TYPE,
 	IGT_COLOROP_BYPASS,
 	IGT_COLOROP_CURVE_1D_TYPE,
+	IGT_COLOROP_DATA,
 	IGT_COLOROP_NEXT,
 	IGT_NUM_COLOROP_PROPS
 };
@@ -848,6 +849,10 @@ extern void igt_plane_set_prop_enum(igt_plane_t *plane,
 				    enum igt_atomic_plane_properties prop,
 				    const char *val);
 
+extern void igt_plane_replace_prop_blob(igt_plane_t *plane,
+				    enum igt_atomic_plane_properties prop,
+				    const void *ptr, size_t length);
+
 extern bool igt_plane_is_valid_colorop(igt_plane_t *plane, igt_colorop_t *colorop);
 
 extern void igt_plane_set_color_pipeline(igt_plane_t *plane, igt_colorop_t *colorop);
@@ -893,9 +898,9 @@ extern void igt_colorop_set_prop_enum(igt_colorop_t *colorop,
 				      enum igt_atomic_colorop_properties prop,
 				      const char *val);
 
-extern void igt_plane_replace_prop_blob(igt_plane_t *plane,
-					enum igt_atomic_plane_properties prop,
-					const void *ptr, size_t length);
+extern void igt_colorop_replace_prop_blob(igt_colorop_t *colorop,
+				      enum igt_atomic_colorop_properties prop,
+				      const void *ptr, size_t length);
 
 extern bool igt_plane_check_prop_is_mutable(igt_plane_t *plane,
 					    enum igt_atomic_plane_properties igt_prop);
-- 
2.43.0