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drm/i915: Extract a intel_power_well_disable() function 

Similar to the ->enable vfunc in patch "drm/i915: Extract a
intel_power_well_enable() function".

v2 (from Paulo):
  - Same s/i915_/intel_/ bikeshed as the previous patch.
  - Update the commit hash.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
hifive-unleashed-5.1
Damien Lespiau 2015-07-30 18:20:27 -03:00 committed by Daniel Vetter
parent e8ca932056
commit dcddab3aa0
1 changed files with 10 additions and 5 deletions
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15
drivers/gpu/drm/i915/intel_runtime_pm.c
View File

@ -76,6 +76,14 @@ static void intel_power_well_enable(struct drm_i915_private *dev_priv,
power_well->hw_enabled = true;
}
static void intel_power_well_disable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
DRM_DEBUG_KMS("disabling %s\n", power_well->name);
power_well->hw_enabled = false;
power_well->ops->disable(dev_priv, power_well);
}
/*
* We should only use the power well if we explicitly asked the hardware to
* enable it, so check if it's enabled and also check if we've requested it to
@ -1147,11 +1155,8 @@ void intel_display_power_put(struct drm_i915_private *dev_priv,
for_each_power_well_rev(i, power_well, BIT(domain), power_domains) {
WARN_ON(!power_well->count);
if (!--power_well->count && i915.disable_power_well) {
DRM_DEBUG_KMS("disabling %s\n", power_well->name);
power_well->hw_enabled = false;
power_well->ops->disable(dev_priv, power_well);
}
if (!--power_well->count && i915.disable_power_well)
intel_power_well_disable(dev_priv, power_well);
}
mutex_unlock(&power_domains->lock);