From b38131fbcba5e16e94db7f0a6334446ffd157204 Mon Sep 17 00:00:00 2001 From: Imre Deak Date: Thu, 29 Jun 2017 18:37:02 +0300 Subject: [PATCH] drm/i915/cnl: Fix comment about AUX IO power well enable/disable The comments match an earlier version of the patch, fix them to match the current state. Signed-off-by: Imre Deak Reviewed-by: Rodrigo Vivi Link: http://patchwork.freedesktop.org/patch/msgid/1498750622-14023-6-git-send-email-imre.deak@intel.com --- drivers/gpu/drm/i915/intel_runtime_pm.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 2fe715b25f9e..5eb9c5ec9c85 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -2845,7 +2845,10 @@ static void cnl_display_core_init(struct drm_i915_private *dev_priv, bool resume val |= CL_POWER_DOWN_ENABLE; I915_WRITE(CNL_PORT_CL1CM_DW5, val); - /* 4. Enable Power Well 1 (PG1) and Aux IO Power */ + /* + * 4. Enable Power Well 1 (PG1). + * The AUX IO power wells will be enabled on demand. + */ mutex_lock(&power_domains->lock); well = lookup_power_well(dev_priv, SKL_DISP_PW_1); intel_power_well_enable(dev_priv, well); @@ -2877,7 +2880,11 @@ static void cnl_display_core_uninit(struct drm_i915_private *dev_priv) /* 3. Disable CD clock */ cnl_uninit_cdclk(dev_priv); - /* 4. Disable Power Well 1 (PG1) and Aux IO Power */ + /* + * 4. Disable Power Well 1 (PG1). + * The AUX IO power wells are toggled on demand, so they are already + * disabled at this point. + */ mutex_lock(&power_domains->lock); well = lookup_power_well(dev_priv, SKL_DISP_PW_1); intel_power_well_disable(dev_priv, well); -- 2.30.2