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drm/i915: No need to put forcewake after a reset 

As we now have intel_uncore_forcewake_reset() no need
to do explicit put after reset.

v2: rebase

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Mika Kuoppala 2014-03-05 18:08:18 +02:00 committed by Daniel Vetter
parent 96a6f0f1db
commit 5babf0fc26
1 changed files with 8 additions and 11 deletions
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19
drivers/gpu/drm/i915/intel_uncore.c
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@ -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) &