[Intel-gfx] [PATCH 6/8] drm/i915: Add function to call a power well's sync_hw() hook

Imre Deak
2022-02-22T16:52:06Z

Add a function to call a power well's sync_hw() hook, instead of
open-coding the same, as a step towards making the low-level
power well internals (i915_power_well_ops/desc structs) hidden.

The cached-enable state should be always up-to-date, so update it
whenever sync_hw() is called.

No functional change.

Suggested-by: Jani Nikula <jani.nikula@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
---
drivers/gpu/drm/i915/display/intel_display_power.c | 7 ++-----
drivers/gpu/drm/i915/display/intel_display_power_well.c | 8 ++++++++
drivers/gpu/drm/i915/display/intel_display_power_well.h | 2 ++
3 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index a18895a9aa42f..b8b914d8f0b56 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5016,11 +5016,8 @@ static void intel_power_domains_sync_hw(struct drm_i915_private *dev_priv)
struct i915_power_well *power_well;

mutex_lock(&power_domains->lock);
- for_each_power_well(dev_priv, power_well) {
- power_well->desc->ops->sync_hw(dev_priv, power_well);
- power_well->hw_enabled =
- power_well->desc->ops->is_enabled(dev_priv, power_well);
- }
+ for_each_power_well(dev_priv, power_well)
+ intel_power_well_sync_hw(dev_priv, power_well);
mutex_unlock(&power_domains->lock);
}

diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c
index e21190854fa0f..63b97bcc64bc3 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
@@ -22,6 +22,14 @@ void intel_power_well_disable(struct drm_i915_private *i915,
power_well->desc->ops->disable(i915, power_well);
}

+void intel_power_well_sync_hw(struct drm_i915_private *i915,
+ struct i915_power_well *power_well)
+{
+ power_well->desc->ops->sync_hw(i915, power_well);
+ power_well->hw_enabled =
+ power_well->desc->ops->is_enabled(i915, power_well);
+}
+
void intel_power_well_get(struct drm_i915_private *i915,
struct i915_power_well *power_well)
{
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.h b/drivers/gpu/drm/i915/display/intel_display_power_well.h
index bc77de3a8d4fc..ba5bbd36f7fc0 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.h
@@ -107,6 +107,8 @@ void intel_power_well_enable(struct drm_i915_private *i915,
struct i915_power_well *power_well);
void intel_power_well_disable(struct drm_i915_private *i915,
struct i915_power_well *power_well);
+void intel_power_well_sync_hw(struct drm_i915_private *i915,
+ struct i915_power_well *power_well);
void intel_power_well_get(struct drm_i915_private *i915,
struct i915_power_well *power_well);
void intel_power_well_put(struct drm_i915_private *i915,
--
2.27.0