drm/i915: s/crtc_state/new_crtc_state/ etc.

intel_plane_atomic_calc_changes() deals with both the old and
new crtc/plane states. Make the variable names reflect that
more clearly.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210514125751.17075-2-ville.syrjala@linux.intel.comReviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>

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

@@ -6362,27 +6362,27 @@ static bool needs_scaling(const struct intel_plane_state *state)
 }
 
 int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_state,
-				    struct intel_crtc_state *crtc_state,
+				    struct intel_crtc_state *new_crtc_state,
 				    const struct intel_plane_state *old_plane_state,
-				    struct intel_plane_state *plane_state)
+				    struct intel_plane_state *new_plane_state)
 {
-	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
-	struct intel_plane *plane = to_intel_plane(plane_state->uapi.plane);
+	struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
+	struct intel_plane *plane = to_intel_plane(new_plane_state->uapi.plane);
 	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
-	bool mode_changed = intel_crtc_needs_modeset(crtc_state);
+	bool mode_changed = intel_crtc_needs_modeset(new_crtc_state);
 	bool was_crtc_enabled = old_crtc_state->hw.active;
-	bool is_crtc_enabled = crtc_state->hw.active;
+	bool is_crtc_enabled = new_crtc_state->hw.active;
 	bool turn_off, turn_on, visible, was_visible;
 	int ret;
 
 	if (DISPLAY_VER(dev_priv) >= 9 && plane->id != PLANE_CURSOR) {
-		ret = skl_update_scaler_plane(crtc_state, plane_state);
+		ret = skl_update_scaler_plane(new_crtc_state, new_plane_state);
 		if (ret)
 			return ret;
 	}
 
 	was_visible = old_plane_state->uapi.visible;
-	visible = plane_state->uapi.visible;
+	visible = new_plane_state->uapi.visible;
 
 	if (!was_crtc_enabled && drm_WARN_ON(&dev_priv->drm, was_visible))
 		was_visible = false;
@@ -6398,7 +6398,7 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 	 * only combine the results from all planes in the current place?
 	 */
 	if (!is_crtc_enabled) {
-		intel_plane_set_invisible(crtc_state, plane_state);
+		intel_plane_set_invisible(new_crtc_state, new_plane_state);
 		visible = false;
 	}
 
@@ -6417,28 +6417,28 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 
 	if (turn_on) {
 		if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv))
-			crtc_state->update_wm_pre = true;
+			new_crtc_state->update_wm_pre = true;
 
 		/* must disable cxsr around plane enable/disable */
 		if (plane->id != PLANE_CURSOR)
-			crtc_state->disable_cxsr = true;
+			new_crtc_state->disable_cxsr = true;
 	} else if (turn_off) {
 		if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv))
-			crtc_state->update_wm_post = true;
+			new_crtc_state->update_wm_post = true;
 
 		/* must disable cxsr around plane enable/disable */
 		if (plane->id != PLANE_CURSOR)
-			crtc_state->disable_cxsr = true;
-	} else if (intel_wm_need_update(old_plane_state, plane_state)) {
+			new_crtc_state->disable_cxsr = true;
+	} else if (intel_wm_need_update(old_plane_state, new_plane_state)) {
 		if (DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) {
 			/* FIXME bollocks */
-			crtc_state->update_wm_pre = true;
-			crtc_state->update_wm_post = true;
+			new_crtc_state->update_wm_pre = true;
+			new_crtc_state->update_wm_post = true;
 		}
 	}
 
 	if (visible || was_visible)
-		crtc_state->fb_bits |= plane->frontbuffer_bit;
+		new_crtc_state->fb_bits |= plane->frontbuffer_bit;
 
 	/*
 	 * ILK/SNB DVSACNTR/Sprite Enable
@@ -6477,8 +6477,8 @@ int intel_plane_atomic_calc_changes(const struct intel_crtc_state *old_crtc_stat
 	    (IS_IRONLAKE(dev_priv) || IS_SANDYBRIDGE(dev_priv) ||
 	     IS_IVYBRIDGE(dev_priv)) &&
 	    (turn_on || (!needs_scaling(old_plane_state) &&
-			 needs_scaling(plane_state))))
-		crtc_state->disable_lp_wm = true;
+			 needs_scaling(new_plane_state))))
+		new_crtc_state->disable_lp_wm = true;
 
 	return 0;
 }