drm/i915: Only hold a process-local lock whilst throttling.
Avoid cause latencies in other clients by not taking the global struct
mutex and moving the per-client request manipulation a local per-client
mutex. For example, this allows a compositor to schedule a page-flip
(through X) whilst an OpenGL application is monopolising the GPU.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 36f0e36..eb5dd52 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -261,7 +261,7 @@
if (dev_priv->render_ring.status_page.page_addr != NULL) {
seq_printf(m, "Current sequence: %d\n",
- i915_get_gem_seqno(dev, &dev_priv->render_ring));
+ dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring));
} else {
seq_printf(m, "Current sequence: hws uninitialized\n");
}
@@ -321,7 +321,7 @@
atomic_read(&dev_priv->irq_received));
if (dev_priv->render_ring.status_page.page_addr != NULL) {
seq_printf(m, "Current sequence: %d\n",
- i915_get_gem_seqno(dev, &dev_priv->render_ring));
+ dev_priv->render_ring.get_seqno(dev, &dev_priv->render_ring));
} else {
seq_printf(m, "Current sequence: hws uninitialized\n");
}
@@ -932,7 +932,7 @@
atomic_set(&dev_priv->mm.wedged, val);
if (val) {
- DRM_WAKEUP(&dev_priv->irq_queue);
+ wake_up_all(&dev_priv->irq_queue);
queue_work(dev_priv->wq, &dev_priv->error_work);
}