There are some panel that
(1) does not support display backlight enable via AUX
(2) support display backlight adjustment via AUX
(3) support display backlight enable via eDP BL_ENABLE pin

The current driver required that (1) must be support to enable (2).
This patch drops that requirement.

Signed-off-by: Puthikorn Voravootivat <put...@chromium.org>
---
 drivers/gpu/drm/i915/intel_dp_aux_backlight.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c 
b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
index b87c5a381d6a..d32c06583e0b 100644
--- a/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/intel_dp_aux_backlight.c
@@ -165,7 +165,6 @@ intel_dp_aux_display_control_capable(struct intel_connector 
*connector)
         * the panel can support backlight control over the aux channel
         */
        if (intel_dp->edp_dpcd[1] & DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP &&
-           (intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_AUX_ENABLE_CAP) &&
            (intel_dp->edp_dpcd[2] & DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP) &&
            !((intel_dp->edp_dpcd[1] & DP_EDP_BACKLIGHT_PIN_ENABLE_CAP) ||
              (intel_dp->edp_dpcd[2] & 
DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP))) {
-- 
2.13.0.303.g4ebf302169-goog

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