28  * proprietary DP AUX backlight interface, and the standard VESA backlight
30  * advertise support for the standard VESA backlight interface when they
332 /* VESA backlight callbacks */
345 	if (!panel->backlight.edp.vesa.info.aux_set) {  in intel_dp_aux_vesa_set_backlight()
351 	drm_edp_backlight_set_level(&intel_dp->aux, &panel->backlight.edp.vesa.info, level);  in intel_dp_aux_vesa_set_backlight()
362 	if (!panel->backlight.edp.vesa.info.aux_enable) {  in intel_dp_aux_vesa_enable_backlight()
365 		if (!panel->backlight.edp.vesa.info.aux_set)  in intel_dp_aux_vesa_enable_backlight()
374 	drm_edp_backlight_enable(&intel_dp->aux, &panel->backlight.edp.vesa.info, level);  in intel_dp_aux_vesa_enable_backlight()
384 	drm_edp_backlight_disable(&intel_dp->aux, &panel->backlight.edp.vesa.info);  in intel_dp_aux_vesa_disable_backlight()
386 	if (!panel->backlight.edp.vesa.info.aux_enable)  in intel_dp_aux_vesa_disable_backlight()
400 	ret = drm_edp_backlight_init(&intel_dp->aux, &panel->backlight.edp.vesa.info,  in intel_dp_aux_vesa_setup_backlight()
406 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] AUX VESA backlight enable is controlled through %s\n",  in intel_dp_aux_vesa_setup_backlight()
408 		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_enable));  in intel_dp_aux_vesa_setup_backlight()
409 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] AUX VESA backlight level is controlled through %s\n",  in intel_dp_aux_vesa_setup_backlight()
411 		    dpcd_vs_pwm_str(panel->backlight.edp.vesa.info.aux_set));  in intel_dp_aux_vesa_setup_backlight()
413 	if (!panel->backlight.edp.vesa.info.aux_set || !panel->backlight.edp.vesa.info.aux_enable) {  in intel_dp_aux_vesa_setup_backlight()
423 	if (panel->backlight.edp.vesa.info.aux_set) {  in intel_dp_aux_vesa_setup_backlight()
424 		panel->backlight.max = panel->backlight.edp.vesa.info.max;  in intel_dp_aux_vesa_setup_backlight()
445 	drm_dbg_kms(&i915->drm, "[CONNECTOR:%d:%s] Using AUX VESA interface for backlight control\n",  in intel_dp_aux_vesa_setup_backlight()
524 	 * the VESA interface. However, other GPUs (such as Nvidia's) will always use the VESA  in intel_dp_aux_init_backlight_funcs()
529 	 * interfaces, the VESA backlight interface will stop working once we've programmed the  in intel_dp_aux_init_backlight_funcs()
532 	 * interfaces is to probe for Intel's first, and VESA's second.  in intel_dp_aux_init_backlight_funcs()
542 		drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Using VESA eDP backlight controls\n",  in intel_dp_aux_init_backlight_funcs()