#include "i915_drm.h"
#include "i915_drv.h"
#include <linux/swap.h>
+#include <linux/pci.h>
#define I915_GEM_GPU_DOMAINS (~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
static void i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_gtt_write_domain(struct drm_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_gem_object *obj);
-static int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj,
- int write);
static int i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj,
int write);
static int i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
static void i915_gem_clear_fence_reg(struct drm_gem_object *obj);
static int i915_gem_evict_something(struct drm_device *dev);
-static void
-i915_gem_cleanup_ringbuffer(struct drm_device *dev);
-
-int
-i915_gem_init_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
+int i915_gem_do_init(struct drm_device *dev, unsigned long start,
+ unsigned long end)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_init *args = data;
-
- mutex_lock(&dev->struct_mutex);
- if (args->gtt_start >= args->gtt_end ||
- (args->gtt_start & (PAGE_SIZE - 1)) != 0 ||
- (args->gtt_end & (PAGE_SIZE - 1)) != 0) {
- mutex_unlock(&dev->struct_mutex);
+ if (start >= end ||
+ (start & (PAGE_SIZE - 1)) != 0 ||
+ (end & (PAGE_SIZE - 1)) != 0) {
return -EINVAL;
}
- drm_mm_init(&dev_priv->mm.gtt_space, args->gtt_start,
- args->gtt_end - args->gtt_start);
+ drm_mm_init(&dev_priv->mm.gtt_space, start,
+ end - start);
- dev->gtt_total = (uint32_t) (args->gtt_end - args->gtt_start);
+ dev->gtt_total = (uint32_t) (end - start);
+
+ return 0;
+}
+int
+i915_gem_init_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_init *args = data;
+ int ret;
+
+ mutex_lock(&dev->struct_mutex);
+ ret = i915_gem_do_init(dev, args->gtt_start, args->gtt_end);
mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
int
/* blow away mappings if mapped through GTT */
offset = ((loff_t) obj->map_list.hash.key) << PAGE_SHIFT;
- unmap_mapping_range(dev->dev_mapping, offset, obj->size, 1);
+ if (dev->dev_mapping)
+ unmap_mapping_range(dev->dev_mapping, offset, obj->size, 1);
if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
i915_gem_clear_fence_reg(obj);
i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
struct drm_i915_fence_reg *reg = NULL;
int i, ret;
* for this object next time we need it.
*/
offset = ((loff_t) reg->obj->map_list.hash.key) << PAGE_SHIFT;
- unmap_mapping_range(dev->dev_mapping, offset,
- reg->obj->size, 1);
+ if (dev->dev_mapping)
+ unmap_mapping_range(dev->dev_mapping, offset,
+ reg->obj->size, 1);
old_obj_priv->fence_reg = I915_FENCE_REG_NONE;
}
i915_gem_clear_fence_reg(struct drm_gem_object *obj)
{
struct drm_device *dev = obj->dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
+ drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
if (IS_I965G(dev))
* This function returns when the move is complete, including waiting on
* flushes to occur.
*/
-static int
+int
i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
}
obj_priv = obj->driver_private;
- ret = i915_gem_object_pin(obj, args->alignment);
- if (ret != 0) {
- drm_gem_object_unreference(obj);
+ if (obj_priv->pin_filp != NULL && obj_priv->pin_filp != file_priv) {
+ DRM_ERROR("Already pinned in i915_gem_pin_ioctl(): %d\n",
+ args->handle);
mutex_unlock(&dev->struct_mutex);
- return ret;
+ return -EINVAL;
+ }
+
+ obj_priv->user_pin_count++;
+ obj_priv->pin_filp = file_priv;
+ if (obj_priv->user_pin_count == 1) {
+ ret = i915_gem_object_pin(obj, args->alignment);
+ if (ret != 0) {
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return ret;
+ }
}
/* XXX - flush the CPU caches for pinned objects
{
struct drm_i915_gem_pin *args = data;
struct drm_gem_object *obj;
+ struct drm_i915_gem_object *obj_priv;
mutex_lock(&dev->struct_mutex);
return -EBADF;
}
- i915_gem_object_unpin(obj);
+ obj_priv = obj->driver_private;
+ if (obj_priv->pin_filp != file_priv) {
+ DRM_ERROR("Not pinned by caller in i915_gem_pin_ioctl(): %d\n",
+ args->handle);
+ drm_gem_object_unreference(obj);
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
+ }
+ obj_priv->user_pin_count--;
+ if (obj_priv->user_pin_count == 0) {
+ obj_priv->pin_filp = NULL;
+ i915_gem_object_unpin(obj);
+ }
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
return 0;
}
-static int
+int
i915_gem_init_ringbuffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
+ drm_i915_ring_buffer_t *ring = &dev_priv->ring;
int ret;
u32 head;
}
/* Set up the kernel mapping for the ring. */
- dev_priv->ring.Size = obj->size;
- dev_priv->ring.tail_mask = obj->size - 1;
+ ring->Size = obj->size;
+ ring->tail_mask = obj->size - 1;
- dev_priv->ring.map.offset = dev->agp->base + obj_priv->gtt_offset;
- dev_priv->ring.map.size = obj->size;
- dev_priv->ring.map.type = 0;
- dev_priv->ring.map.flags = 0;
- dev_priv->ring.map.mtrr = 0;
+ ring->map.offset = dev->agp->base + obj_priv->gtt_offset;
+ ring->map.size = obj->size;
+ ring->map.type = 0;
+ ring->map.flags = 0;
+ ring->map.mtrr = 0;
- drm_core_ioremap_wc(&dev_priv->ring.map, dev);
- if (dev_priv->ring.map.handle == NULL) {
+ drm_core_ioremap_wc(&ring->map, dev);
+ if (ring->map.handle == NULL) {
DRM_ERROR("Failed to map ringbuffer.\n");
memset(&dev_priv->ring, 0, sizeof(dev_priv->ring));
drm_gem_object_unreference(obj);
return -EINVAL;
}
- dev_priv->ring.ring_obj = obj;
- dev_priv->ring.virtual_start = dev_priv->ring.map.handle;
+ ring->ring_obj = obj;
+ ring->virtual_start = ring->map.handle;
/* Stop the ring if it's running. */
I915_WRITE(PRB0_CTL, 0);
}
/* Update our cache of the ring state */
- i915_kernel_lost_context(dev);
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ i915_kernel_lost_context(dev);
+ else {
+ ring->head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+ ring->tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+ ring->space = ring->head - (ring->tail + 8);
+ if (ring->space < 0)
+ ring->space += ring->Size;
+ }
return 0;
}
-static void
+void
i915_gem_cleanup_ringbuffer(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+
if (dev_priv->mm.wedged) {
DRM_ERROR("Reenabling wedged hardware, good luck\n");
dev_priv->mm.wedged = 0;
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
+ if (drm_core_check_feature(dev, DRIVER_MODESET))
+ return 0;
+
ret = i915_gem_idle(dev);
drm_irq_uninstall(dev);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff