drm/i915: kill pc8.disable_count

Since after the latest patches it's only being used to prevent
getting/putting the runtime PM refcount.

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>

4 files changed, 0 insertions, 17 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 02545ebf0dac..4960bf629615 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2014,7 +2014,6 @@ static int i915_pc8_status(struct seq_file *m, void *unused)
 
         mutex_lock(&dev_priv->pc8.lock);
         seq_printf(m, "GPU idle: %s\n", yesno(!dev_priv->mm.busy));
-        seq_printf(m, "Disable count: %d\n", dev_priv->pc8.disable_count);
         seq_printf(m, "IRQs disabled: %s\n",
                    yesno(dev_priv->pc8.irqs_disabled));
         seq_printf(m, "Enabled: %s\n", yesno(dev_priv->pc8.enabled));
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7f86c3123c6e..41efb09282ae 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1393,7 +1393,6 @@ struct i915_package_c8 {
         bool irqs_disabled;
         /* Only true after the delayed work task actually enables it. */
         bool enabled;
-        int disable_count;
         struct mutex lock;
 
         struct {
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a61efbfc81af..1e1cdcf9cc3c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7049,13 +7049,6 @@ void __hsw_do_enable_pc8(struct drm_i915_private *dev_priv)
 static void __hsw_enable_package_c8(struct drm_i915_private *dev_priv)
 {
         WARN_ON(!mutex_is_locked(&dev_priv->pc8.lock));
-        WARN(dev_priv->pc8.disable_count < 1,
-             "pc8.disable_count: %d\n", dev_priv->pc8.disable_count);
-
-        dev_priv->pc8.disable_count--;
-        if (dev_priv->pc8.disable_count != 0)
-                return;
-
         intel_runtime_pm_put(dev_priv);
 }
 
@@ -7089,13 +7082,6 @@ void __hsw_do_disable_pc8(struct drm_i915_private *dev_priv)
 static void __hsw_disable_package_c8(struct drm_i915_private *dev_priv)
 {
         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;
-
         intel_runtime_pm_get(dev_priv);
 }
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 6de0c2396337..cc929d2a3244 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6165,7 +6165,6 @@ void intel_pm_setup(struct drm_device *dev)
         mutex_init(&dev_priv->pc8.lock);
         dev_priv->pc8.irqs_disabled = false;
         dev_priv->pc8.enabled = false;
-        dev_priv->pc8.disable_count = 0;
         INIT_DELAYED_WORK(&dev_priv->rps.delayed_resume_work,
                           intel_gen6_powersave_work);
 }