[v5 22/24] drm/i915/color: Enable Plane Color Pipelines

[Uma Shankar]

From: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>

Expose color pipeline and add ability to program it.

v2: Set bit to enable multisegmented lut

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 .../gpu/drm/i915/display/skl_universal_plane.c  | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index e20972ddfa09..f3ae80471d73 100644
--- a/drivers/gpu/drm/i915/display/skl_universal_plane.c
+++ b/drivers/gpu/drm/i915/display/skl_universal_plane.c
@@ -11,6 +11,7 @@
 #include "pxp/intel_pxp.h"
 #include "i915_drv.h"
 #include "intel_bo.h"
+#include "intel_color.h"
 #include "intel_de.h"
 #include "intel_display_irq.h"
 #include "intel_display_regs.h"
@@ -1260,6 +1261,18 @@ static u32 glk_plane_color_ctl(const struct intel_crtc_state *crtc_state,
 	if (plane_state->force_black)
 		plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE;
 
+	if (plane_state->hw.degamma_lut)
+		plane_color_ctl |= PLANE_COLOR_PRE_CSC_GAMMA_ENABLE;
+
+	if (plane_state->hw.ctm)
+		plane_color_ctl |= PLANE_COLOR_PLANE_CSC_ENABLE;
+
+	if (plane_state->hw.gamma_lut) {
+		plane_color_ctl &= ~PLANE_COLOR_PLANE_GAMMA_DISABLE;
+		if (drm_color_lut_32_size(plane_state->hw.gamma_lut) != 32)
+			plane_color_ctl |= PLANE_COLOR_POST_CSC_GAMMA_MULTSEG_ENABLE;
+	}
+
 	return plane_color_ctl;
 }
 
@@ -1548,6 +1561,8 @@ icl_plane_update_noarm(struct intel_dsb *dsb,
 	plane_color_ctl = plane_state->color_ctl |
 		glk_plane_color_ctl_crtc(crtc_state);
 
+	intel_color_plane_program_pipeline(crtc_state->dsb_color, plane_state);
+
 	/* The scaler will handle the output position */
 	if (plane_state->scaler_id >= 0) {
 		crtc_x = 0;
@@ -2982,6 +2997,8 @@ skl_universal_plane_create(struct intel_display *display,
 					  DRM_COLOR_YCBCR_BT709,
 					  DRM_COLOR_YCBCR_LIMITED_RANGE);
 
+	intel_plane_color_init(&plane->base);
+
 	drm_plane_create_alpha_property(&plane->base);
 	drm_plane_create_blend_mode_property(&plane->base,
 					     BIT(DRM_MODE_BLEND_PIXEL_NONE) |
-- 
2.42.0