drm/i915/display: Skip Panel Replay on pipe comparison if no active planes

Panel Replay is not enabled if there are no active planes. Do not compare
it on pipe comparison. Otherwise we get pipe mismatch.

Fixes: ac9ef327 ("drm/i915/psr: Panel replay has to be enabled before link training")
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240607134917.1327574-5-jouni.hogander@intel.com

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

@@ -5372,7 +5372,9 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
 	 * Panel replay has to be enabled before link training. PSR doesn't have
 	 * this requirement -> check these only if using panel replay
 	 */
-	if (current_config->has_panel_replay || pipe_config->has_panel_replay) {
+	if (current_config->active_planes &&
+	    (current_config->has_panel_replay ||
+	     pipe_config->has_panel_replay)) {
 		PIPE_CONF_CHECK_BOOL(has_psr);
 		PIPE_CONF_CHECK_BOOL(has_sel_update);
 		PIPE_CONF_CHECK_BOOL(enable_psr2_sel_fetch);