drm/i915: don't get/put PC8 when getting/putting power wells

Because we already get/put runtime PM every time we get/put any power
domain, and now PC8 and runtime PM are the same thing.

With this, we can also now kill the hsw_{en,dis}able_package_c8
functions.

v2: - Rebase.
v3: - Rebase.
v4: - Rebase.

Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e7e2894..90d16a1 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7073,26 +7073,6 @@ void __hsw_do_disable_pc8(struct drm_i915_private *dev_priv)
        dev_priv->pc8.enabled = false;
 }
 
-void hsw_enable_package_c8(struct drm_i915_private *dev_priv)
-{
-       if (!HAS_PC8(dev_priv->dev))
-               return;
-
-       mutex_lock(&dev_priv->pc8.lock);
-       intel_runtime_pm_put(dev_priv);
-       mutex_unlock(&dev_priv->pc8.lock);
-}
-
-void hsw_disable_package_c8(struct drm_i915_private *dev_priv)
-{
-       if (!HAS_PC8(dev_priv->dev))
-               return;
-
-       mutex_lock(&dev_priv->pc8.lock);
-       intel_runtime_pm_get(dev_priv);
-       mutex_unlock(&dev_priv->pc8.lock);
-}
-
 static void haswell_modeset_global_resources(struct drm_device *dev)
 {
        modeset_update_crtc_power_domains(dev);

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 3290a90..345e958 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -727,8 +727,6 @@ unsigned long intel_gen4_compute_page_offset(int *x, int *y,
 void intel_display_handle_reset(struct drm_device *dev);
 void __hsw_do_enable_pc8(struct drm_i915_private *dev_priv);
 void __hsw_do_disable_pc8(struct drm_i915_private *dev_priv);
-void hsw_enable_package_c8(struct drm_i915_private *dev_priv);
-void hsw_disable_package_c8(struct drm_i915_private *dev_priv);
 void intel_dp_get_m_n(struct intel_crtc *crtc,
                      struct intel_crtc_config *pipe_config);
 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6ae0e05..012867e 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -5391,7 +5391,6 @@ static void hsw_power_well_sync_hw(struct drm_i915_private *dev_priv,
 static void hsw_power_well_enable(struct drm_i915_private *dev_priv,
                                  struct i915_power_well *power_well)
 {
-       hsw_disable_package_c8(dev_priv);
        hsw_set_power_well(dev_priv, power_well, true);
 }
 
@@ -5399,7 +5398,6 @@ static void hsw_power_well_disable(struct drm_i915_private *dev_priv,
                                   struct i915_power_well *power_well)
 {
        hsw_set_power_well(dev_priv, power_well, false);
-       hsw_enable_package_c8(dev_priv);
 }
 
 static void i9xx_always_on_power_well_noop(struct drm_i915_private *dev_priv,