From: Paulo Zanoni <paulo.r.zan...@intel.com>
When we merge PC8 and runtime PM, these new functions are going to be
called by the runtime suspend/resume functions, and their callers are
going to be removed.
v2: - Rebase
Reviewed-by: Imre Deak <imre.d...@intel.com> (v1)
Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 64 +++++++++++++++++++++---------------
1 file changed, 38 insertions(+), 26 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index cbe3487..ce582eb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6651,19 +6651,11 @@ static void hsw_restore_lcpll(struct drm_i915_private
*dev_priv)
gen6_gt_force_wake_put(dev_priv, FORCEWAKE_ALL);
}
-void hsw_enable_pc8_work(struct work_struct *__work)
+static void __hsw_do_enable_pc8(struct drm_i915_private *dev_priv)
{
- struct drm_i915_private *dev_priv =
- container_of(to_delayed_work(__work), struct drm_i915_private,
- pc8.enable_work);
struct drm_device *dev = dev_priv->dev;
uint32_t val;
- WARN_ON(!HAS_PC8(dev));
-
- if (dev_priv->pc8.enabled)
- return;
-
DRM_DEBUG_KMS("Enabling package C8+\n");
dev_priv->pc8.enabled = true;
@@ -6677,7 +6669,21 @@ void hsw_enable_pc8_work(struct work_struct *__work)
lpt_disable_clkout_dp(dev);
hsw_pc8_disable_interrupts(dev);
hsw_disable_lcpll(dev_priv, true, true);
+}
+
+void hsw_enable_pc8_work(struct work_struct *__work)
+{
+ struct drm_i915_private *dev_priv =
+ container_of(to_delayed_work(__work), struct drm_i915_private,
+ pc8.enable_work);
+ struct drm_device *dev = dev_priv->dev;
+
+ WARN_ON(!HAS_PC8(dev));
+ if (dev_priv->pc8.enabled)
+ return;
+
+ __hsw_do_enable_pc8(dev_priv);
intel_runtime_pm_put(dev_priv);
}
@@ -6695,29 +6701,13 @@ static void __hsw_enable_package_c8(struct
drm_i915_private *dev_priv)
msecs_to_jiffies(i915.pc8_timeout));
}
-static void __hsw_disable_package_c8(struct drm_i915_private *dev_priv)
+static void __hsw_do_disable_package_c8(struct drm_i915_private *dev_priv)
{
struct drm_device *dev = dev_priv->dev;
uint32_t val;
- WARN_ON(!mutex_is_locked(&dev_priv->pc8.lock));
- WARN(dev_priv->pc8.disable_count < 0,
- "pc8.disable_count: %d\n", dev_priv->pc8.disable_count);
-
- dev_priv->pc8.disable_count++;
- if (dev_priv->pc8.disable_count != 1)
- return;
-
- WARN_ON(!HAS_PC8(dev));
-
- cancel_delayed_work_sync(&dev_priv->pc8.enable_work);
- if (!dev_priv->pc8.enabled)
- return;
-
DRM_DEBUG_KMS("Disabling package C8+\n");
- intel_runtime_pm_get(dev_priv);
-
hsw_restore_lcpll(dev_priv);
hsw_pc8_restore_interrupts(dev);
lpt_init_pch_refclk(dev);
@@ -6736,6 +6726,28 @@ static void __hsw_disable_package_c8(struct
drm_i915_private *dev_priv)
dev_priv->pc8.enabled = false;
}
+static void __hsw_disable_package_c8(struct drm_i915_private *dev_priv)
+{
+ struct drm_device *dev = dev_priv->dev;
+
+ WARN_ON(!mutex_is_locked(&dev_priv->pc8.lock));
+ WARN(dev_priv->pc8.disable_count < 0,
+ "pc8.disable_count: %d\n", dev_priv->pc8.disable_count);
+
+ dev_priv->pc8.disable_count++;
+ if (dev_priv->pc8.disable_count != 1)
+ return;
+
+ WARN_ON(!HAS_PC8(dev));
+
+ cancel_delayed_work_sync(&dev_priv->pc8.enable_work);
+ if (!dev_priv->pc8.enabled)
+ return;
+
+ intel_runtime_pm_get(dev_priv);
+ __hsw_do_disable_package_c8(dev_priv);
+}
+
void hsw_enable_package_c8(struct drm_i915_private *dev_priv)
{
if (!HAS_PC8(dev_priv->dev))
--
1.8.5.3
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