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-rw-r--r--linux-core/i915_drv.c3
-rw-r--r--linux-core/i915_gem.c34
-rw-r--r--shared-core/i915_dma.c26
-rw-r--r--shared-core/i915_drv.h10
4 files changed, 49 insertions, 24 deletions
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c
index 89f089b0..012ca822 100644
--- a/linux-core/i915_drv.c
+++ b/linux-core/i915_drv.c
@@ -561,6 +561,7 @@ static int i915_resume(struct drm_device *dev)
static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
static void remove(struct pci_dev *pdev);
+
static struct drm_driver driver = {
/* don't use mtrr's here, the Xserver or user space app should
* deal with them for intel hardware.
@@ -571,8 +572,10 @@ static struct drm_driver driver = {
.load = i915_driver_load,
.unload = i915_driver_unload,
.firstopen = i915_driver_firstopen,
+ .open = i915_driver_open,
.lastclose = i915_driver_lastclose,
.preclose = i915_driver_preclose,
+ .postclose = i915_driver_postclose,
.suspend = i915_suspend,
.resume = i915_resume,
.device_is_agp = i915_driver_device_is_agp,
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c
index b114192d..c2d1fab6 100644
--- a/linux-core/i915_gem.c
+++ b/linux-core/i915_gem.c
@@ -1548,33 +1548,17 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev,
* relatively low latency when blocking on a particular request to finish.
*/
static int
-i915_gem_ring_throttle(struct drm_device *dev)
+i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
{
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
int ret = 0;
+ uint32_t seqno;
mutex_lock(&dev->struct_mutex);
- while (!list_empty(&dev_priv->mm.request_list)) {
- struct drm_i915_gem_request *request;
-
- request = list_first_entry(&dev_priv->mm.request_list,
- struct drm_i915_gem_request,
- list);
-
- /* Break out if we're close enough. */
- if ((long) (jiffies - request->emitted_jiffies) <=
- (20 * HZ) / 1000) {
- mutex_unlock(&dev->struct_mutex);
- return 0;
- }
-
- /* Wait on the last request if not. */
- ret = i915_wait_request(dev, request->seqno);
- if (ret != 0) {
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
- }
+ seqno = i915_file_priv->mm.last_gem_throttle_seqno;
+ i915_file_priv->mm.last_gem_throttle_seqno = i915_file_priv->mm.last_gem_seqno;
+ if (seqno)
+ ret = i915_wait_request(dev, seqno);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@@ -1584,6 +1568,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
struct drm_i915_gem_execbuffer *args = data;
struct drm_i915_gem_exec_object *exec_list = NULL;
struct drm_gem_object **object_list = NULL;
@@ -1724,6 +1709,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
*/
seqno = i915_add_request(dev, flush_domains);
BUG_ON(seqno == 0);
+ i915_file_priv->mm.last_gem_seqno = seqno;
for (i = 0; i < args->buffer_count; i++) {
struct drm_gem_object *obj = object_list[i];
struct drm_i915_gem_object *obj_priv = obj->driver_private;
@@ -1881,7 +1867,7 @@ int
i915_gem_throttle_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
- return i915_gem_ring_throttle(dev);
+ return i915_gem_ring_throttle(dev, file_priv);
}
int i915_gem_init_object(struct drm_gem_object *obj)
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 669f1e4e..2157c594 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -1149,12 +1149,38 @@ void i915_driver_lastclose(struct drm_device * dev)
i915_dma_cleanup(dev);
}
+int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct drm_i915_file_private *i915_file_priv;
+
+ DRM_DEBUG("\n");
+ i915_file_priv = (struct drm_i915_file_private *)
+ drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
+
+ if (!i915_file_priv)
+ return -ENOMEM;
+
+ file_priv->driver_priv = i915_file_priv;
+
+ i915_file_priv->mm.last_gem_seqno = 0;
+ i915_file_priv->mm.last_gem_throttle_seqno = 0;
+
+ return 0;
+}
+
void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
{
drm_i915_private_t *dev_priv = dev->dev_private;
i915_mem_release(dev, file_priv, dev_priv->agp_heap);
}
+void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
+{
+ struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+
+ drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES);
+}
+
struct drm_ioctl_desc i915_ioctls[] = {
DRM_IOCTL_DEF(DRM_I915_INIT, i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF(DRM_I915_FLUSH, i915_flush_ioctl, DRM_AUTH),
diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h
index 5cc6e680..334bc43f 100644
--- a/shared-core/i915_drv.h
+++ b/shared-core/i915_drv.h
@@ -301,6 +301,13 @@ typedef struct drm_i915_private {
} mm;
} drm_i915_private_t;
+struct drm_i915_file_private {
+ struct {
+ uint32_t last_gem_seqno;
+ uint32_t last_gem_throttle_seqno;
+ } mm;
+};
+
enum intel_chip_family {
CHIP_I8XX = 0x01,
CHIP_I9XX = 0x02,
@@ -378,8 +385,11 @@ extern void i915_kernel_lost_context(struct drm_device * dev);
extern int i915_driver_load(struct drm_device *, unsigned long flags);
extern int i915_driver_unload(struct drm_device *);
extern void i915_driver_lastclose(struct drm_device * dev);
+extern int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv);
extern void i915_driver_preclose(struct drm_device *dev,
struct drm_file *file_priv);
+extern void i915_driver_postclose(struct drm_device *dev,
+ struct drm_file *file_priv);
extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);