drm/i915: Remove some local 'mode_changed' bools

These 'mode_changed' booleans aren't very helpful. Just
replace them with direct intel_crtc_needs_modeset() calls
which is more descriptive.
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/20221021162442.27283-3-ville.syrjala@linux.intel.com

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

@@ -4831,14 +4831,14 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
 	struct intel_crtc_state *crtc_state =
 		intel_atomic_get_new_crtc_state(state, crtc);
-	bool mode_changed = intel_crtc_needs_modeset(crtc_state);
 	int ret;
 
 	if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv) &&
-	    mode_changed && !crtc_state->hw.active)
+	    intel_crtc_needs_modeset(crtc_state) &&
+	    !crtc_state->hw.active)
 		crtc_state->update_wm_post = true;
 
-	if (mode_changed) {
+	if (intel_crtc_needs_modeset(crtc_state)) {
 		ret = intel_dpll_crtc_get_shared_dpll(state, crtc);
 		if (ret)
 			return ret;
@@ -4851,7 +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 (mode_changed ||
+	if (intel_crtc_needs_modeset(crtc_state) ||
 	    intel_crtc_needs_fastset(crtc_state) ||
 	    crtc_state->uapi.color_mgmt_changed) {
 		ret = intel_color_check(crtc_state);
@@ -4879,7 +4879,7 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
 	}
 
 	if (DISPLAY_VER(dev_priv) >= 9) {
-		if (mode_changed ||
+		if (intel_crtc_needs_modeset(crtc_state) ||
 		    intel_crtc_needs_fastset(crtc_state)) {
 			ret = skl_update_scaler_crtc(crtc_state);
 			if (ret)
@@ -6927,9 +6927,7 @@ 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) {
-		bool mode_changed = intel_crtc_needs_modeset(crtc_state);
-
-		if (mode_changed ||
+		if (intel_crtc_needs_modeset(crtc_state) ||
 		    intel_crtc_needs_fastset(crtc_state) ||
 		    crtc_state->uapi.color_mgmt_changed) {
 			intel_dsb_prepare(crtc_state);