drm/i915: Introduce intel_crtc_needs_color_update()

Add a common helper to answer the question "do we need
to update color management stuff?".
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221021162442.27283-5-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/display/hsw_ips.c

@@ -104,8 +104,7 @@ static bool hsw_ips_need_disable(struct intel_atomic_state *state,
 	 * Disable IPS before we program the LUT.
 	 */
 	if (IS_HASWELL(i915) &&
-	    (new_crtc_state->uapi.color_mgmt_changed ||
-	     intel_crtc_needs_fastset(new_crtc_state)) &&
+	    intel_crtc_needs_color_update(new_crtc_state) &&
 	    new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT)
 		return true;
 
@@ -146,8 +145,7 @@ static bool hsw_ips_need_enable(struct intel_atomic_state *state,
 	 * Re-enable IPS after the LUT has been programmed.
 	 */
 	if (IS_HASWELL(i915) &&
-	    (new_crtc_state->uapi.color_mgmt_changed ||
-	     intel_crtc_needs_fastset(new_crtc_state)) &&
+	    intel_crtc_needs_color_update(new_crtc_state) &&
 	    new_crtc_state->gamma_mode == GAMMA_MODE_MODE_SPLIT)
 		return true;
 

drivers/gpu/drm/i915/display/intel_crtc.c

@@ -386,8 +386,7 @@ static bool intel_crtc_needs_vblank_work(const struct intel_crtc_state *crtc_sta
 	return crtc_state->hw.active &&
 		!intel_crtc_needs_modeset(crtc_state) &&
 		!crtc_state->preload_luts &&
-		(crtc_state->uapi.color_mgmt_changed ||
-		 intel_crtc_needs_fastset(crtc_state));
+		intel_crtc_needs_color_update(crtc_state);
 }
 
 static void intel_crtc_vblank_work(struct kthread_work *base)

drivers/gpu/drm/i915/display/intel_display.c

@@ -4851,9 +4851,7 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
 	if (c8_planes_changed(crtc_state))
 		crtc_state->uapi.color_mgmt_changed = true;
 
-	if (intel_crtc_needs_modeset(crtc_state) ||
-	    intel_crtc_needs_fastset(crtc_state) ||
-	    crtc_state->uapi.color_mgmt_changed) {
+	if (intel_crtc_needs_color_update(crtc_state)) {
 		ret = intel_color_check(crtc_state);
 		if (ret)
 			return ret;
@@ -6934,12 +6932,9 @@ static int intel_atomic_prepare_commit(struct intel_atomic_state *state)
 		return ret;
 
 	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
-		if (intel_crtc_needs_modeset(crtc_state) ||
-		    intel_crtc_needs_fastset(crtc_state) ||
-		    crtc_state->uapi.color_mgmt_changed) {
+		if (intel_crtc_needs_color_update(crtc_state))
 			intel_dsb_prepare(crtc_state);
 	}
-	}
 
 	return 0;
 }
@@ -7019,8 +7014,7 @@ static void commit_pipe_pre_planes(struct intel_atomic_state *state,
 	 * CRTC was enabled.
 	 */
 	if (!modeset) {
-		if (new_crtc_state->uapi.color_mgmt_changed ||
-		    intel_crtc_needs_fastset(new_crtc_state))
+		if (intel_crtc_needs_color_update(new_crtc_state))
 			intel_color_commit_arm(new_crtc_state);
 
 		if (DISPLAY_VER(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
@@ -7085,8 +7079,7 @@ static void intel_update_crtc(struct intel_atomic_state *state,
 
 	if (!modeset) {
 		if (new_crtc_state->preload_luts &&
-		    (new_crtc_state->uapi.color_mgmt_changed ||
-		     intel_crtc_needs_fastset(new_crtc_state)))
+		    intel_crtc_needs_color_update(new_crtc_state))
 			intel_color_load_luts(new_crtc_state);
 
 		intel_pre_plane_update(state, crtc);
@@ -7102,8 +7095,7 @@ static void intel_update_crtc(struct intel_atomic_state *state,
 	intel_fbc_update(state, crtc);
 
 	if (!modeset &&
-	    (new_crtc_state->uapi.color_mgmt_changed ||
-	     intel_crtc_needs_fastset(new_crtc_state)))
+	    intel_crtc_needs_color_update(new_crtc_state))
 		intel_color_commit_noarm(new_crtc_state);
 
 	intel_crtc_planes_update_noarm(state, crtc);

drivers/gpu/drm/i915/display/intel_display_types.h

@@ -2064,6 +2064,14 @@ intel_crtc_needs_fastset(const struct intel_crtc_state *crtc_state)
 	return crtc_state->update_pipe;
 }
 
+static inline bool
+intel_crtc_needs_color_update(const struct intel_crtc_state *crtc_state)
+{
+	return crtc_state->uapi.color_mgmt_changed ||
+		intel_crtc_needs_fastset(crtc_state) ||
+		intel_crtc_needs_modeset(crtc_state);
+}
+
 static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *plane_state)
 {
 	return i915_ggtt_offset(plane_state->ggtt_vma);