diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 079ea38f14d..9f1d7a9300e 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -671,6 +671,10 @@ static void pch_enable_backlight(struct intel_connector *connector) pch_ctl2 = panel->backlight.max << 16; I915_WRITE(BLC_PWM_PCH_CTL2, pch_ctl2); + /* XXX: transitional */ + if (dev_priv->quirks & QUIRK_NO_PCH_PWM_ENABLE) + return; + pch_ctl1 = 0; if (panel->backlight.active_low_pwm) pch_ctl1 |= BLM_PCH_POLARITY; |