From: Paulo Zanoni Date: Fri, 6 Dec 2013 19:32:42 +0000 (-0200) Subject: drm/i915: fix VDD override off wait X-Git-Tag: next-20131213~49^2~24 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=90791a5c644e2e06cadfe4f37de8ca81483e3a72;p=karo-tx-linux.git drm/i915: fix VDD override off wait If we're disabling the VDD override bit and the panel is enabled, we don't need to wait for anything. If the panel is disabled, then we need to actually wait for panel_power_cycle_delay, not panel_power_down_delay, because the power down delay was already respected when we disabled the panel. Signed-off-by: Paulo Zanoni Reviewed-by: Jesse Barnes Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 948892d18ff7..8f17f8fbd0b1 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -1144,7 +1144,9 @@ static void ironlake_panel_vdd_off_sync(struct intel_dp *intel_dp) /* Make sure sequencer is idle before allowing subsequent activity */ DRM_DEBUG_KMS("PP_STATUS: 0x%08x PP_CONTROL: 0x%08x\n", I915_READ(pp_stat_reg), I915_READ(pp_ctrl_reg)); - msleep(intel_dp->panel_power_down_delay); + + if ((pp & POWER_TARGET_ON) == 0) + msleep(intel_dp->panel_power_cycle_delay); intel_runtime_pm_put(dev_priv); }