| Message ID | 1bdc18$j6a1ns@fmsmga002.fm.intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index aa23070..0b40b4f 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -106,6 +106,12 @@ static void intel_lvds_enable(struct intel_lvds *intel_lvds) I915_WRITE(ctl_reg, I915_READ(ctl_reg) | POWER_TARGET_ON); POSTING_READ(lvds_reg); + { + u32 reg = HAS_PCH_SPLIT(dev) ? PCH_PP_STATUS : PPS_STATUS; + if (wait_for(I915_READ(reg) & PP_ON, 1000)) + DRM_ERROR("timed out waiting for panel to power up\n"); + } + intel_panel_set_backlight(dev, dev_priv->backlight_level); }