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[01/18] drm: Create Color Management DRM properties

Message ID 1438879107-22819-2-git-send-email-shashank.sharma@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Sharma, Shashank Aug. 6, 2015, 4:38 p.m. UTC 
From: Kausal Malladi <kausalmalladi@gmail.com>

Color Management is an extension to Kernel display framework. It allows
abstraction of hardware color correction and enhancement capabilities by
virtue of DRM properties.

This patch initializes color management framework by :
1. Introducing new pointers in DRM mode_config structure to
   carry CTM and Palette color correction properties.
2. Creating these DRM properties in DRM standard properties creation
   sequence.

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Kausal Malladi <kausalmalladi@gmail.com>
---
 drivers/gpu/drm/drm_crtc.c | 26 ++++++++++++++++++++++++++
 include/drm/drm_crtc.h     |  6 ++++++
 2 files changed, 32 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index bd515da..c12871c 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -1462,6 +1462,32 @@  static int drm_mode_create_standard_properties(struct drm_device *dev)
 		return -ENOMEM;
 	dev->mode_config.prop_mode_id = prop;
 
+	/* Color Management properties */
+	prop = drm_property_create(dev,
+			DRM_MODE_PROP_BLOB | DRM_MODE_PROP_IMMUTABLE,
+			"CRTC_PALETTE_CAPABILITIES", 0);
+	if (!prop)
+		return -ENOMEM;
+	dev->mode_config.cm_crtc_palette_capabilities_property = prop;
+
+	prop = drm_property_create(dev,
+			DRM_MODE_PROP_BLOB, "PALETTE_AFTER_CTM", 0);
+	if (!prop)
+		return -ENOMEM;
+	dev->mode_config.cm_palette_after_ctm_property = prop;
+
+	prop = drm_property_create(dev,
+			DRM_MODE_PROP_BLOB, "PALETTE_BEFORE_CTM", 0);
+	if (!prop)
+		return -ENOMEM;
+	dev->mode_config.cm_palette_before_ctm_property = prop;
+
+	prop = drm_property_create(dev,
+			DRM_MODE_PROP_BLOB, "CTM", 0);
+	if (!prop)
+		return -ENOMEM;
+	dev->mode_config.cm_ctm_property = prop;
+
 	return 0;
 }
 
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 5746569..3c59045 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1157,6 +1157,12 @@  struct drm_mode_config {
 	struct drm_property *suggested_x_property;
 	struct drm_property *suggested_y_property;
 
+	/* Color Management Properties */
+	struct drm_property *cm_crtc_palette_capabilities_property;
+	struct drm_property *cm_palette_before_ctm_property;
+	struct drm_property *cm_palette_after_ctm_property;
+	struct drm_property *cm_ctm_property;
+
 	/* dumb ioctl parameters */
 	uint32_t preferred_depth, prefer_shadow;