From edfda8e37ae9ec530434c3a014c8f0155a72acbd Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Thu, 29 Jun 2017 18:36:59 +0300 Subject: [PATCH] drm/i915/skl: Don't disable misc IO power well during display uninit Git-commit: edfda8e37ae9ec530434c3a014c8f0155a72acbd Patch-mainline: v4.14-rc1 References: FATE#322643 bsc#1055900 Bspec requires leaving the misc IO power well enabled during display uninit, so align the code accordingly. Signed-off-by: Imre Deak Reviewed-by: Rodrigo Vivi Link: http://patchwork.freedesktop.org/patch/msgid/1498750622-14023-3-git-send-email-imre.deak@intel.com Acked-by: Takashi Iwai --- drivers/gpu/drm/i915/intel_runtime_pm.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -2694,9 +2694,10 @@ static void skl_display_core_uninit(stru mutex_lock(&power_domains->lock); - well = lookup_power_well(dev_priv, SKL_DISP_PW_MISC_IO); - intel_power_well_disable(dev_priv, well); - + /* + * BSpec says to keep the MISC IO power well enabled here, only + * remove our request for power well 1. + */ well = lookup_power_well(dev_priv, SKL_DISP_PW_1); intel_power_well_disable(dev_priv, well);