[PATCH 13/13] drm/i915/backlight: Use drm_edp_backlight_enable

[Suraj Kandpal]

Use drm dp helper to enable backlight now that it has been modified
to set PANEL_LUMINANCE_CONTROL_ENABLE bit based on if capability
supports it and the driver wants it. Remove the dead code.

Signed-off-by: Suraj Kandpal <suraj.kand...@intel.com>
---
 .../gpu/drm/i915/display/intel_dp_aux_backlight.c  | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c 
b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 95b29d9af335..b8b0ace9e6fd 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -499,20 +499,6 @@ intel_dp_aux_vesa_enable_backlight(const struct 
intel_crtc_state *crtc_state,
        struct intel_connector *connector = 
to_intel_connector(conn_state->connector);
        struct intel_panel *panel = &connector->panel;
        struct intel_dp *intel_dp = enc_to_intel_dp(connector->encoder);
-       int ret;
-
-       if (panel->backlight.edp.vesa.luminance_control_support) {
-               ret = drm_dp_dpcd_writeb(&intel_dp->aux, 
DP_EDP_BACKLIGHT_MODE_SET_REGISTER,
-                                        DP_EDP_PANEL_LUMINANCE_CONTROL_ENABLE);
-
-               if (ret == 1)
-                       return;
-
-               if (!drm_edp_backlight_set_level(&intel_dp->aux,
-                                                
&panel->backlight.edp.vesa.info,
-                                                level))
-                       return;
-       }
 
        if (!panel->backlight.edp.vesa.info.aux_enable) {
                u32 pwm_level;
-- 
2.34.1