diff options
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_perf.c | 33 |
2 files changed, 11 insertions, 24 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 975e216f3469..8d33b810f8b4 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2396,8 +2396,6 @@ struct drm_i915_private { struct mutex lock; struct list_head streams; - spinlock_t hook_lock; - struct { struct i915_perf_stream *exclusive_stream; diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 4d79698685ea..1980f9597b19 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1836,9 +1836,18 @@ static void gen8_disable_metric_set(struct drm_i915_private *dev_priv) gen8_configure_all_contexts(dev_priv, false); } -static void gen7_update_oacontrol_locked(struct drm_i915_private *dev_priv) +static void gen7_oa_enable(struct drm_i915_private *dev_priv) { - lockdep_assert_held(&dev_priv->perf.hook_lock); + /* + * Reset buf pointers so we don't forward reports from before now. + * + * Think carefully if considering trying to avoid this, since it + * also ensures status flags and the buffer itself are cleared + * in error paths, and we have checks for invalid reports based + * on the assumption that certain fields are written to zeroed + * memory which this helps maintains. + */ + gen7_init_oa_buffer(dev_priv); if (dev_priv->perf.oa.exclusive_stream->enabled) { struct i915_gem_context *ctx = @@ -1861,25 +1870,6 @@ static void gen7_update_oacontrol_locked(struct drm_i915_private *dev_priv) I915_WRITE(GEN7_OACONTROL, 0); } -static void gen7_oa_enable(struct drm_i915_private *dev_priv) -{ - unsigned long flags; - - /* Reset buf pointers so we don't forward reports from before now. - * - * Think carefully if considering trying to avoid this, since it - * also ensures status flags and the buffer itself are cleared - * in error paths, and we have checks for invalid reports based - * on the assumption that certain fields are written to zeroed - * memory which this helps maintains. - */ - gen7_init_oa_buffer(dev_priv); - - spin_lock_irqsave(&dev_priv->perf.hook_lock, flags); - gen7_update_oacontrol_locked(dev_priv); - spin_unlock_irqrestore(&dev_priv->perf.hook_lock, flags); -} - static void gen8_oa_enable(struct drm_i915_private *dev_priv) { u32 report_format = dev_priv->perf.oa.oa_buffer.format; @@ -3098,7 +3088,6 @@ void i915_perf_init(struct drm_i915_private *dev_priv) INIT_LIST_HEAD(&dev_priv->perf.streams); mutex_init(&dev_priv->perf.lock); - spin_lock_init(&dev_priv->perf.hook_lock); spin_lock_init(&dev_priv->perf.oa.oa_buffer.ptr_lock); oa_sample_rate_hard_limit = |