diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 11 |
1 files 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); |