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path: root/drivers/gpu/drm/i915/i915_gem.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c114
1 files changed, 92 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index a2a3fa599923..8c463cf2050a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1288,6 +1288,7 @@ i915_gem_create_mmap_offset(struct drm_gem_object *obj)
list->hash.key = list->file_offset_node->start;
if (drm_ht_insert_item(&mm->offset_hash, &list->hash)) {
DRM_ERROR("failed to add to map hash\n");
+ ret = -ENOMEM;
goto out_free_mm;
}
@@ -1583,7 +1584,7 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
*
* Returned sequence numbers are nonzero on success.
*/
-static uint32_t
+uint32_t
i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
uint32_t flush_domains)
{
@@ -1617,7 +1618,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
OUT_RING(MI_USER_INTERRUPT);
ADVANCE_LP_RING();
- DRM_DEBUG("%d\n", seqno);
+ DRM_DEBUG_DRIVER("%d\n", seqno);
request->seqno = seqno;
request->emitted_jiffies = jiffies;
@@ -1820,12 +1821,8 @@ i915_gem_retire_work_handler(struct work_struct *work)
mutex_unlock(&dev->struct_mutex);
}
-/**
- * Waits for a sequence number to be signaled, and cleans up the
- * request and object lists appropriately for that event.
- */
-static int
-i915_wait_request(struct drm_device *dev, uint32_t seqno)
+int
+i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
{
drm_i915_private_t *dev_priv = dev->dev_private;
u32 ier;
@@ -1837,7 +1834,7 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno)
return -EIO;
if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
- if (IS_IGDNG(dev))
+ if (IS_IRONLAKE(dev))
ier = I915_READ(DEIER) | I915_READ(GTIER);
else
ier = I915_READ(IER);
@@ -1852,10 +1849,15 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno)
dev_priv->mm.waiting_gem_seqno = seqno;
i915_user_irq_get(dev);
- ret = wait_event_interruptible(dev_priv->irq_queue,
- i915_seqno_passed(i915_get_gem_seqno(dev),
- seqno) ||
- atomic_read(&dev_priv->mm.wedged));
+ if (interruptible)
+ ret = wait_event_interruptible(dev_priv->irq_queue,
+ i915_seqno_passed(i915_get_gem_seqno(dev), seqno) ||
+ atomic_read(&dev_priv->mm.wedged));
+ else
+ wait_event(dev_priv->irq_queue,
+ i915_seqno_passed(i915_get_gem_seqno(dev), seqno) ||
+ atomic_read(&dev_priv->mm.wedged));
+
i915_user_irq_put(dev);
dev_priv->mm.waiting_gem_seqno = 0;
@@ -1879,6 +1881,16 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno)
return ret;
}
+/**
+ * Waits for a sequence number to be signaled, and cleans up the
+ * request and object lists appropriately for that event.
+ */
+static int
+i915_wait_request(struct drm_device *dev, uint32_t seqno)
+{
+ return i915_do_wait_request(dev, seqno, 1);
+}
+
static void
i915_gem_flush(struct drm_device *dev,
uint32_t invalidate_domains,
@@ -1947,7 +1959,7 @@ i915_gem_flush(struct drm_device *dev,
#endif
BEGIN_LP_RING(2);
OUT_RING(cmd);
- OUT_RING(0); /* noop */
+ OUT_RING(MI_NOOP);
ADVANCE_LP_RING();
}
}
@@ -2760,6 +2772,22 @@ i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj)
old_write_domain);
}
+void
+i915_gem_object_flush_write_domain(struct drm_gem_object *obj)
+{
+ switch (obj->write_domain) {
+ case I915_GEM_DOMAIN_GTT:
+ i915_gem_object_flush_gtt_write_domain(obj);
+ break;
+ case I915_GEM_DOMAIN_CPU:
+ i915_gem_object_flush_cpu_write_domain(obj);
+ break;
+ default:
+ i915_gem_object_flush_gpu_write_domain(obj);
+ break;
+ }
+}
+
/**
* Moves a single object to the GTT read, and possibly write domain.
*
@@ -3525,6 +3553,41 @@ i915_gem_check_execbuffer (struct drm_i915_gem_execbuffer *exec,
return 0;
}
+static int
+i915_gem_wait_for_pending_flip(struct drm_device *dev,
+ struct drm_gem_object **object_list,
+ int count)
+{
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj_priv;
+ DEFINE_WAIT(wait);
+ int i, ret = 0;
+
+ for (;;) {
+ prepare_to_wait(&dev_priv->pending_flip_queue,
+ &wait, TASK_INTERRUPTIBLE);
+ for (i = 0; i < count; i++) {
+ obj_priv = object_list[i]->driver_private;
+ if (atomic_read(&obj_priv->pending_flip) > 0)
+ break;
+ }
+ if (i == count)
+ break;
+
+ if (!signal_pending(current)) {
+ mutex_unlock(&dev->struct_mutex);
+ schedule();
+ mutex_lock(&dev->struct_mutex);
+ continue;
+ }
+ ret = -ERESTARTSYS;
+ break;
+ }
+ finish_wait(&dev_priv->pending_flip_queue, &wait);
+
+ return ret;
+}
+
int
i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -3540,7 +3603,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
int ret, ret2, i, pinned = 0;
uint64_t exec_offset;
uint32_t seqno, flush_domains, reloc_index;
- int pin_tries;
+ int pin_tries, flips;
#if WATCH_EXEC
DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
@@ -3552,8 +3615,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
return -EINVAL;
}
/* Copy in the exec list from userland */
- exec_list = drm_calloc_large(sizeof(*exec_list), args->buffer_count);
- object_list = drm_calloc_large(sizeof(*object_list), args->buffer_count);
+ exec_list = drm_malloc_ab(sizeof(*exec_list), args->buffer_count);
+ object_list = drm_malloc_ab(sizeof(*object_list), args->buffer_count);
if (exec_list == NULL || object_list == NULL) {
DRM_ERROR("Failed to allocate exec or object list "
"for %d buffers\n",
@@ -3598,20 +3661,19 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
i915_verify_inactive(dev, __FILE__, __LINE__);
if (atomic_read(&dev_priv->mm.wedged)) {
- DRM_ERROR("Execbuf while wedged\n");
mutex_unlock(&dev->struct_mutex);
ret = -EIO;
goto pre_mutex_err;
}
if (dev_priv->mm.suspended) {
- DRM_ERROR("Execbuf while VT-switched.\n");
mutex_unlock(&dev->struct_mutex);
ret = -EBUSY;
goto pre_mutex_err;
}
/* Look up object handles */
+ flips = 0;
for (i = 0; i < args->buffer_count; i++) {
object_list[i] = drm_gem_object_lookup(dev, file_priv,
exec_list[i].handle);
@@ -3630,6 +3692,14 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
goto err;
}
obj_priv->in_execbuffer = true;
+ flips += atomic_read(&obj_priv->pending_flip);
+ }
+
+ if (flips > 0) {
+ ret = i915_gem_wait_for_pending_flip(dev, object_list,
+ args->buffer_count);
+ if (ret)
+ goto err;
}
/* Pin and relocate */
@@ -4356,7 +4426,7 @@ i915_gem_init_hws(struct drm_device *dev)
memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
I915_READ(HWS_PGA); /* posting read */
- DRM_DEBUG("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
+ DRM_DEBUG_DRIVER("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
return 0;
}
@@ -4614,8 +4684,8 @@ i915_gem_load(struct drm_device *dev)
for (i = 0; i < 8; i++)
I915_WRITE(FENCE_REG_945_8 + (i * 4), 0);
}
-
i915_gem_detect_bit_6_swizzle(dev);
+ init_waitqueue_head(&dev_priv->pending_flip_queue);
}
/*
@@ -4790,7 +4860,7 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
user_data = (char __user *) (uintptr_t) args->data_ptr;
obj_addr = obj_priv->phys_obj->handle->vaddr + args->offset;
- DRM_DEBUG("obj_addr %p, %lld\n", obj_addr, args->size);
+ DRM_DEBUG_DRIVER("obj_addr %p, %lld\n", obj_addr, args->size);
ret = copy_from_user(obj_addr, user_data, args->size);
if (ret)
return -EFAULT;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-25 14:41:22 +0000