[RFC 23/33] drm/i915/color: Load plane color luts from atomic flip

[Uma Shankar]

Load plane color luts as part of atomic plane updates.
This will be done only if the plane color luts are changed.

Co-developed-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/display/intel_color.c         | 8 ++++++++
 drivers/gpu/drm/i915/display/intel_color.h         | 2 ++
 drivers/gpu/drm/i915/display/skl_universal_plane.c | 4 ++++
 3 files changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index faf16107d339..df2fc8f98dc9 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1863,6 +1863,14 @@ void intel_color_load_luts(const struct intel_crtc_state *crtc_state)
 	i915->display.funcs.color->load_luts(crtc_state);
 }
 
+void intel_color_load_plane_luts(const struct drm_plane_state *plane_state)
+{
+	struct drm_i915_private *i915 = to_i915(plane_state->plane->dev);
+
+	if (i915->display.funcs.color->load_plane_luts)
+		i915->display.funcs.color->load_plane_luts(plane_state);
+}
+
 void intel_color_commit_noarm(const struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev);
diff --git a/drivers/gpu/drm/i915/display/intel_color.h b/drivers/gpu/drm/i915/display/intel_color.h
index aa649d13c6fa..93382df101d9 100644
--- a/drivers/gpu/drm/i915/display/intel_color.h
+++ b/drivers/gpu/drm/i915/display/intel_color.h
@@ -13,6 +13,7 @@ struct intel_crtc;
 struct drm_plane;
 struct drm_i915_private;
 struct drm_property_blob;
+struct drm_plane_state;
 
 void intel_color_init_hooks(struct drm_i915_private *i915);
 int intel_color_init(struct drm_i915_private *i915);
@@ -31,4 +32,5 @@ bool intel_color_lut_equal(const struct intel_crtc_state *crtc_state,
 			   bool is_pre_csc_lut);
 void intel_color_assert_luts(const struct intel_crtc_state *crtc_state);
 void intel_color_plane_init(struct drm_plane *plane);
+void intel_color_load_plane_luts(const struct drm_plane_state *plane_state);
 #endif /* __INTEL_COLOR_H__ */
diff --git a/drivers/gpu/drm/i915/display/skl_universal_plane.c b/drivers/gpu/drm/i915/display/skl_universal_plane.c
index 4566c95da1ca..ce7c367fe2da 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 "i915_drv.h"
 #include "i915_reg.h"
 #include "intel_atomic_plane.h"
+#include "intel_color.h"
 #include "intel_de.h"
 #include "intel_display_irq.h"
 #include "intel_display_types.h"
@@ -1268,6 +1269,9 @@ icl_plane_update_noarm(struct intel_plane *plane,
 	if (plane_state->force_black)
 		icl_plane_csc_load_black(plane);
 
+	if (plane_state->uapi.color_mgmt_changed)
+		intel_color_load_plane_luts(&plane_state->uapi);
+
 	intel_psr2_program_plane_sel_fetch_noarm(plane, crtc_state, plane_state, color_plane);
 }
 
-- 
2.38.1