diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_panel.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index e3def5ad4a77..e18b3f49074c 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -775,8 +775,9 @@ static void bdw_enable_backlight(struct intel_connector *connector) if (panel->backlight.active_low_pwm) pch_ctl1 |= BLM_PCH_POLARITY; - /* BDW always uses the pch pwm controls. */ - pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE; + /* After LPT, override is the default. */ + if (HAS_PCH_LPT(dev_priv)) + pch_ctl1 |= BLM_PCH_OVERRIDE_ENABLE; I915_WRITE(BLC_PWM_PCH_CTL1, pch_ctl1); POSTING_READ(BLC_PWM_PCH_CTL1); |