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drm/i915/dpcd_bl: Unbreak enable_dpcd_backlight modparam

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Looks like I accidentally made it so you couldn't force DPCD backlight
support on, whoops. Fix that.

Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: 17f5d57915 ("drm/i915: Force DPCD backlight mode on X1 Extreme 2nd Gen 4K AMOLED panel")
Cc: Adam Jackson <ajax@redhat.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200413214407.1851002-1-lyude@redhat.com
This commit is contained in:
Lyude Paul 2020-04-13 17:44:06 -04:00 committed by Jani Nikula
parent b4ed131dbf
commit d7fb38ae36
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
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@ -358,6 +358,7 @@ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector)
*/
if (i915->vbt.backlight.type !=
INTEL_BACKLIGHT_VESA_EDP_AUX_INTERFACE &&
i915_modparams.enable_dpcd_backlight != 1 &&
!drm_dp_has_quirk(&intel_dp->desc, intel_dp->edid_quirks,
DP_QUIRK_FORCE_DPCD_BACKLIGHT)) {
drm_info(&i915->drm,