Commit 35e52639 authored by Aaron Ma's avatar Aaron Ma Committed by Tvrtko Ursulin
Browse files

drm/i915/backlight: Honor VESA eDP backlight luminance control capability 



The VESA AUX backlight fails to be enable luminance based backlight
mainpulation becaused luminance_set is false by default.
Fix it by using luminance support control capabitliy.

Fixes: e13af516 ("drm/i915/backlight: Use drm helper to initialize edp backlight")
Signed-off-by: default avatarAaron Ma <aaron.ma@canonical.com>
Reviewed-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: default avatarSuraj Kandpal <suraj.kandpal@intel.com>
Link: https://lore.kernel.org/r/20250823121647.275834-1-aaron.ma@canonical.com


(cherry picked from commit 72136efb)
Signed-off-by: default avatarTvrtko Ursulin <tursulin@ursulin.net>
parent f83ec76b

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

+1 −1
Original line number Diff line number Diff line
@@ -546,7 +546,7 @@ static int intel_dp_aux_vesa_setup_backlight(struct intel_connector *connector, 
				     luminance_range->max_luminance,

				     panel->vbt.backlight.pwm_freq_hz,

				     intel_dp->edp_dpcd, &current_level, &current_mode,

				     false);

				     panel->backlight.edp.vesa.luminance_control_support);

	if (ret < 0)

		return ret;