drm/i915: call assert_device_not_suspended at gen6_force_wake_work

Because we shouldn't be runtime suspended when forcewake is supposed
to be enabled.

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
[danvet: Update commit message - no WARN expected since the bugfix for
issues hit with this assert is already in. And resolve conflicts with
the change from worker to timer for the delayed fw release.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 4c39e24..467d568 100644 (file)
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -40,6 +40,12 @@
 
 #define __raw_posting_read(dev_priv__, reg__) (void)__raw_i915_read32(dev_priv__, reg__)
 
+static void
+assert_device_not_suspended(struct drm_i915_private *dev_priv)
+{
+       WARN(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
+            "Device suspended\n");
+}
 
 static void __gen6_gt_wait_for_thread_c0(struct drm_i915_private *dev_priv)
 {
@@ -294,6 +300,8 @@ static void gen6_force_wake_timer(unsigned long arg)
        struct drm_i915_private *dev_priv = (void *)arg;
        unsigned long irqflags;
 
+       assert_device_not_suspended(dev_priv);
+
        spin_lock_irqsave(&dev_priv->uncore.lock, irqflags);
        if (--dev_priv->uncore.forcewake_count == 0)
                dev_priv->uncore.funcs.force_wake_put(dev_priv, FORCEWAKE_ALL);
@@ -452,13 +460,6 @@ hsw_unclaimed_reg_check(struct drm_i915_private *dev_priv, u32 reg)
        }
 }
 
-static void
-assert_device_not_suspended(struct drm_i915_private *dev_priv)
-{
-       WARN(HAS_RUNTIME_PM(dev_priv->dev) && dev_priv->pm.suspended,
-            "Device suspended\n");
-}
-
 #define REG_READ_HEADER(x) \
        unsigned long irqflags; \
        u##x val = 0; \