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path: root/drivers/gpu/drm/i915/intel_uncore.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_uncore.c')
-rw-r--r--drivers/gpu/drm/i915/intel_uncore.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index c3832d9270a6..f729dc71d5be 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -550,11 +550,12 @@ gen6_read##x(struct drm_i915_private *dev_priv, off_t reg, bool trace) { \
NEEDS_FORCE_WAKE((dev_priv), (reg))) { \
dev_priv->uncore.funcs.force_wake_get(dev_priv, \
FORCEWAKE_ALL); \
- dev_priv->uncore.forcewake_count++; \
- mod_timer_pinned(&dev_priv->uncore.force_wake_timer, \
- jiffies + 1); \
+ val = __raw_i915_read##x(dev_priv, reg); \
+ dev_priv->uncore.funcs.force_wake_put(dev_priv, \
+ FORCEWAKE_ALL); \
+ } else { \
+ val = __raw_i915_read##x(dev_priv, reg); \
} \
- val = __raw_i915_read##x(dev_priv, reg); \
REG_READ_FOOTER; \
}
@@ -865,7 +866,7 @@ int i915_reg_read_ioctl(struct drm_device *dev,
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_reg_read *reg = data;
struct register_whitelist const *entry = whitelist;
- int i;
+ int i, ret = 0;
for (i = 0; i < ARRAY_SIZE(whitelist); i++, entry++) {
if (entry->offset == reg->offset &&
@@ -876,6 +877,8 @@ int i915_reg_read_ioctl(struct drm_device *dev,
if (i == ARRAY_SIZE(whitelist))
return -EINVAL;
+ intel_runtime_pm_get(dev_priv);
+
switch (entry->size) {
case 8:
reg->val = I915_READ64(reg->offset);
@@ -891,10 +894,13 @@ int i915_reg_read_ioctl(struct drm_device *dev,
break;
default:
WARN_ON(1);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}
- return 0;
+out:
+ intel_runtime_pm_put(dev_priv);
+ return ret;
}
int i915_get_reset_stats_ioctl(struct drm_device *dev,