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| author | Imre Deak <imre.deak@intel.com> | 2017-06-29 18:37:02 +0300 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2017-07-06 16:42:15 +0300 |
| commit | b38131fbcba5e16e94db7f0a6334446ffd157204 (patch) | |
| tree | 050fe5eb4e9252820db7692593b4a9c856f8f137 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
| parent | 42d9366d41a992631abaa15f5a881ae1235a8203 (diff) | |
| download | op-kernel-dev-b38131fbcba5e16e94db7f0a6334446ffd157204.zip op-kernel-dev-b38131fbcba5e16e94db7f0a6334446ffd157204.tar.gz | |
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 <imre.deak@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1498750622-14023-6-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
| -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 2fe715b..5eb9c5e 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); |
