As we now have intel_uncore_forcewake_reset() no need
to do explicit put after reset.
v2: rebase
Signed-off-by: Mika Kuoppala <mika.kuopp...@intel.com>
---
drivers/gpu/drm/i915/intel_uncore.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_uncore.c
b/drivers/gpu/drm/i915/intel_uncore.c
index 6ca24ac..00320fd 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -952,6 +952,7 @@ static int gen6_do_reset(struct drm_device *dev)
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
unsigned long irqflags;
+ u32 fw_engine = 0;
/* Hold uncore.lock across reset to prevent any register access
* with forcewake not set correctly
@@ -971,25 +972,21 @@ static int gen6_do_reset(struct drm_device *dev)
intel_uncore_forcewake_reset(dev);
- /* If reset with a user forcewake, try to restore, otherwise turn it
off */
+ /* If reset with a user forcewake, try to restore */
if (IS_VALLEYVIEW(dev)) {
if (dev_priv->uncore.fw_rendercount)
- dev_priv->uncore.funcs.force_wake_get(dev_priv,
FORCEWAKE_RENDER);
- else
- dev_priv->uncore.funcs.force_wake_put(dev_priv,
FORCEWAKE_RENDER);
+ fw_engine |= FORCEWAKE_RENDER;
if (dev_priv->uncore.fw_mediacount)
- dev_priv->uncore.funcs.force_wake_get(dev_priv,
FORCEWAKE_MEDIA);
- else
- dev_priv->uncore.funcs.force_wake_put(dev_priv,
FORCEWAKE_MEDIA);
+ fw_engine |= FORCEWAKE_MEDIA;
} else {
if (dev_priv->uncore.forcewake_count)
- dev_priv->uncore.funcs.force_wake_get(dev_priv,
FORCEWAKE_ALL);
- else
- dev_priv->uncore.funcs.force_wake_put(dev_priv,
FORCEWAKE_ALL);
+ fw_engine = FORCEWAKE_ALL;
}
- /* Restore fifo count */
+ if (fw_engine)
+ dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_engine);
+
if (IS_GEN6(dev) || IS_GEN7(dev))
dev_priv->uncore.fifo_count =
__raw_i915_read32(dev_priv, GTFIFOCTL) &
--
1.7.9.5
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