[Intel-gfx] [v6 08/16] drm/i915: 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.

v4: Rebase

v5: Rebase

Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/intel_atomic_plane.c | 3 +++
 drivers/gpu/drm/i915/intel_color.c        | 8 ++++++++
 drivers/gpu/drm/i915/intel_drv.h          | 1 +
 3 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index 9d32a6f..32269bd 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -271,6 +271,9 @@ void skl_update_planes_on_crtc(struct intel_atomic_state *state,
 		struct intel_plane_state *new_plane_state =
 			intel_atomic_get_new_plane_state(state, plane);
 
+		if (new_plane_state->base.color_mgmt_changed)
+			intel_color_load_plane_luts(&new_plane_state->base);
+
 		if (new_plane_state->base.visible) {
 			intel_update_plane(plane, new_crtc_state, new_plane_state);
 		} else if (new_plane_state->slave) {
diff --git a/drivers/gpu/drm/i915/intel_color.c b/drivers/gpu/drm/i915/intel_color.c
index c756cd9..b56c3999 100644
--- a/drivers/gpu/drm/i915/intel_color.c
+++ b/drivers/gpu/drm/i915/intel_color.c
@@ -841,6 +841,14 @@ static u32 chv_cgm_mode(const struct intel_crtc_state *crtc_state)
 	return cgm_mode;
 }
 
+void intel_color_load_plane_luts(const struct drm_plane_state *plane_state)
+{
+	struct drm_device *dev = plane_state->plane->dev;
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
+	dev_priv->display.load_plane_luts(plane_state);
+}
+
 int intel_color_check(struct intel_crtc_state *crtc_state)
 {
 	struct drm_i915_private *dev_priv = to_i915(crtc_state->base.crtc->dev);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 3bd5b818..16fae42 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -2527,6 +2527,7 @@ int intel_plane_atomic_check_with_state(const struct intel_crtc_state *old_crtc_
 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);
+void intel_color_load_plane_luts(const struct drm_plane_state *plane_state);
 
 /* intel_lspcon.c */
 bool lspcon_init(struct intel_digital_port *intel_dig_port);
-- 
1.9.1