drm/i915: convert some gem structures to per-ring V2
The active list and request list move into the ringbuffer structure,
so each can track its active objects in the order they are in that
ring. The flushing list does not, as it doesn't matter which ring
caused data to end up in the render cache. Objects gain a pointer to
the ring they are active on (if any).
Signed-off-by: Zou Nan hai <nanhai.zou@intel.com>
Signed-off-by: Xiang Hai hao <haihao.xiang@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e07c643..8a667f1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -331,6 +331,7 @@
int ret = IRQ_NONE;
u32 de_iir, gt_iir, de_ier, pch_iir;
struct drm_i915_master_private *master_priv;
+ struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
/* disable master interrupt before clearing iir */
de_ier = I915_READ(DEIER);
@@ -354,10 +355,10 @@
}
if (gt_iir & GT_PIPE_NOTIFY) {
- u32 seqno = i915_get_gem_seqno(dev);
- dev_priv->mm.irq_gem_seqno = seqno;
+ u32 seqno = render_ring->get_gem_seqno(dev, render_ring);
+ render_ring->irq_gem_seqno = seqno;
trace_i915_gem_request_complete(dev, seqno);
- DRM_WAKEUP(&dev_priv->irq_queue);
+ DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
dev_priv->hangcheck_count = 0;
mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
}
@@ -588,7 +589,7 @@
return;
}
- error->seqno = i915_get_gem_seqno(dev);
+ error->seqno = i915_get_gem_seqno(dev, &dev_priv->render_ring);
error->eir = I915_READ(EIR);
error->pgtbl_er = I915_READ(PGTBL_ER);
error->pipeastat = I915_READ(PIPEASTAT);
@@ -616,7 +617,9 @@
batchbuffer[0] = NULL;
batchbuffer[1] = NULL;
count = 0;
- list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+ list_for_each_entry(obj_priv,
+ &dev_priv->render_ring.active_list, list) {
+
struct drm_gem_object *obj = &obj_priv->base;
if (batchbuffer[0] == NULL &&
@@ -653,7 +656,8 @@
if (error->active_bo) {
int i = 0;
- list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+ list_for_each_entry(obj_priv,
+ &dev_priv->render_ring.active_list, list) {
struct drm_gem_object *obj = &obj_priv->base;
error->active_bo[i].size = obj->size;
@@ -831,7 +835,7 @@
/*
* Wakeup waiting processes so they don't hang
*/
- DRM_WAKEUP(&dev_priv->irq_queue);
+ DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
}
queue_work(dev_priv->wq, &dev_priv->error_work);
@@ -850,6 +854,7 @@
unsigned long irqflags;
int irq_received;
int ret = IRQ_NONE;
+ struct intel_ring_buffer *render_ring = &dev_priv->render_ring;
atomic_inc(&dev_priv->irq_received);
@@ -930,10 +935,11 @@
}
if (iir & I915_USER_INTERRUPT) {
- u32 seqno = i915_get_gem_seqno(dev);
- dev_priv->mm.irq_gem_seqno = seqno;
+ u32 seqno =
+ render_ring->get_gem_seqno(dev, render_ring);
+ render_ring->irq_gem_seqno = seqno;
trace_i915_gem_request_complete(dev, seqno);
- DRM_WAKEUP(&dev_priv->irq_queue);
+ DRM_WAKEUP(&dev_priv->render_ring.irq_queue);
dev_priv->hangcheck_count = 0;
mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
}
@@ -1038,7 +1044,7 @@
master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
render_ring->user_irq_get(dev, render_ring);
- DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
+ DRM_WAIT_ON(ret, dev_priv->render_ring.irq_queue, 3 * DRM_HZ,
READ_BREADCRUMB(dev_priv) >= irq_nr);
render_ring->user_irq_put(dev, render_ring);
@@ -1205,9 +1211,12 @@
return -EINVAL;
}
-struct drm_i915_gem_request *i915_get_tail_request(struct drm_device *dev) {
+struct drm_i915_gem_request *
+i915_get_tail_request(struct drm_device *dev)
+{
drm_i915_private_t *dev_priv = dev->dev_private;
- return list_entry(dev_priv->mm.request_list.prev, struct drm_i915_gem_request, list);
+ return list_entry(dev_priv->render_ring.request_list.prev,
+ struct drm_i915_gem_request, list);
}
/**
@@ -1232,8 +1241,10 @@
acthd = I915_READ(ACTHD_I965);
/* If all work is done then ACTHD clearly hasn't advanced. */
- if (list_empty(&dev_priv->mm.request_list) ||
- i915_seqno_passed(i915_get_gem_seqno(dev), i915_get_tail_request(dev)->seqno)) {
+ if (list_empty(&dev_priv->render_ring.request_list) ||
+ i915_seqno_passed(i915_get_gem_seqno(dev,
+ &dev_priv->render_ring),
+ i915_get_tail_request(dev)->seqno)) {
dev_priv->hangcheck_count = 0;
return;
}
@@ -1300,7 +1311,7 @@
(void) I915_READ(DEIER);
/* user interrupt should be enabled, but masked initial */
- dev_priv->gt_irq_mask_reg = 0xffffffff;
+ dev_priv->gt_irq_mask_reg = ~render_mask;
dev_priv->gt_irq_enable_reg = render_mask;
I915_WRITE(GTIIR, I915_READ(GTIIR));
@@ -1363,7 +1374,7 @@
u32 enable_mask = I915_INTERRUPT_ENABLE_FIX | I915_INTERRUPT_ENABLE_VAR;
u32 error_mask;
- DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+ DRM_INIT_WAITQUEUE(&dev_priv->render_ring.irq_queue);
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;