[Intel-gfx] [v6 06/16] drm/i915: Enable plane color features

[Uma Shankar]

Enable and initialize plane color features.

v2: Rebase and some cleanup

v3: Updated intel_plane_color_init to call
drm_plane_color_create_prop function, which will
in turn create plane color properties.

v4: Rebase

v5: Rebase

Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          |  6 ++++++
 drivers/gpu/drm/i915/intel_color.c       | 15 +++++++++++++++
 drivers/gpu/drm/i915/intel_device_info.h |  5 +++++
 drivers/gpu/drm/i915/intel_drv.h         |  9 +++++++++
 4 files changed, 35 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c65c2e6..3ef5e2b 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -55,6 +55,7 @@
 #include <drm/drm_util.h>
 #include <drm/drm_dsc.h>
 #include <drm/drm_connector.h>
+#include <drm/drm_plane.h>
 #include <drm/i915_mei_hdcp_interface.h>
 
 #include "i915_fixed.h"
@@ -334,6 +335,11 @@ struct drm_i915_display_funcs {
 	 * involved with the same commit.
 	 */
 	void (*load_luts)(const struct intel_crtc_state *crtc_state);
+	/* Add Plane Color callbacks */
+	void (*load_plane_csc_matrix)(const struct drm_plane_state
+				      *plane_state);
+	void (*load_plane_luts)(const struct drm_plane_state
+				*plane_state);
 };
 
 #define CSR_VERSION(major, minor)	((major) << 16 | (minor))
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index 467fd1a..0f8cb18 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -869,6 +869,21 @@ int intel_color_check(struct intel_crtc_state *crtc_state)
 	return 0;
 }
 
+void intel_plane_color_init(struct drm_plane *plane)
+{
+	struct drm_i915_private *dev_priv = to_i915(plane->dev);
+
+	drm_plane_color_create_prop(plane->dev, plane);
+
+	/* Enable color management support when we have degamma or gamma LUTs. */
+	if (INTEL_INFO(dev_priv)->plane_color.plane_degamma_lut_size != 0 ||
+	    INTEL_INFO(dev_priv)->plane_color.plane_gamma_lut_size != 0)
+		drm_plane_enable_color_mgmt(plane,
+					    INTEL_INFO(dev_priv)->plane_color.plane_degamma_lut_size,
+					    true,
+					    INTEL_INFO(dev_priv)->plane_color.plane_gamma_lut_size);
+}
+
 void intel_color_init(struct intel_crtc *crtc)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 6234570..e3c10bd 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -193,6 +193,11 @@ struct intel_device_info {
 		u32 degamma_lut_tests;
 		u32 gamma_lut_tests;
 	} color;
+
+	struct plane_color_luts {
+		u16 plane_degamma_lut_size;
+		u16 plane_gamma_lut_size;
+	} plane_color;
 };
 
 struct intel_runtime_info {
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index d9f188e..3bd5b818 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -658,6 +658,14 @@ struct intel_plane_state {
 	 */
 	u32 slave;
 
+	/*
+	 * Use reduced/limited/broadcast rbg range, compressing from the full
+	 * range fed into the crtcs.
+	 */
+	bool limited_color_range;
+	/* Gamma mode programmed on the plane */
+	u32 gamma_mode;
+
 	struct drm_intel_sprite_colorkey ckey;
 };
 
@@ -2518,6 +2526,7 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 int intel_color_check(struct intel_crtc_state *crtc_state);
 void intel_color_commit(const struct intel_crtc_state *crtc_state);
 void intel_color_load_luts(const struct intel_crtc_state *crtc_state);
+void intel_plane_color_init(struct drm_plane *plane);
 
 /* intel_lspcon.c */
 bool lspcon_init(struct intel_digital_port *intel_dig_port);
-- 
1.9.1