drm/i915/crtc: rename intel_get_crtc_for_plane() to intel_crtc_for_plane()

The "get" in the name implies reference counting, remove it. This also
makes the function conform to naming style.
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/50359b38c0eabe262ff31c9ec35c97aa5dfb7fef.1638366969.git.jani.nikula@intel.com

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

@@ -1797,7 +1797,7 @@ intel_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe)
 }
 
 static inline struct intel_crtc *
-intel_get_crtc_for_plane(struct drm_i915_private *dev_priv, enum i9xx_plane_id plane)
+intel_crtc_for_plane(struct drm_i915_private *dev_priv, enum i9xx_plane_id plane)
 {
 	return dev_priv->plane_to_crtc_mapping[plane];
 }

drivers/gpu/drm/i915/intel_pm.c

@@ -2357,7 +2357,7 @@ static void i9xx_update_wm(struct drm_i915_private *dev_priv)
 		fifo_size = i830_get_fifo_size(dev_priv, PLANE_A);
 	else
 		fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_A);
-	crtc = intel_get_crtc_for_plane(dev_priv, PLANE_A);
+	crtc = intel_crtc_for_plane(dev_priv, PLANE_A);
 	if (intel_crtc_active(crtc)) {
 		const struct drm_display_mode *pipe_mode =
 			&crtc->config->hw.pipe_mode;
@@ -2387,7 +2387,7 @@ static void i9xx_update_wm(struct drm_i915_private *dev_priv)
 		fifo_size = i830_get_fifo_size(dev_priv, PLANE_B);
 	else
 		fifo_size = i9xx_get_fifo_size(dev_priv, PLANE_B);
-	crtc = intel_get_crtc_for_plane(dev_priv, PLANE_B);
+	crtc = intel_crtc_for_plane(dev_priv, PLANE_B);
 	if (intel_crtc_active(crtc)) {
 		const struct drm_display_mode *pipe_mode =
 			&crtc->config->hw.pipe_mode;