diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 41 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 5 | ||||
| -rw-r--r-- | linux-core/drm_gem.c | 231 | ||||
| -rw-r--r-- | linux-core/i915_drv.c | 2 | ||||
| -rw-r--r-- | linux-core/i915_gem.c | 281 |
5 files changed, 238 insertions, 322 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 6a7f28d1..48ff4b87 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -779,21 +779,6 @@ struct drm_driver { int (*gem_init_object) (struct drm_gem_object *obj); void (*gem_free_object) (struct drm_gem_object *obj); - /** - * Driver-specific callback to set memory domains from userspace - */ - int (*gem_set_domain) (struct drm_gem_object *obj, - struct drm_file *file_priv, - uint32_t read_domains, - uint32_t write_domain); - - /** - * Driver-specific callback to flush pwrite through chipset - */ - int (*gem_flush_pwrite) (struct drm_gem_object *obj, - uint64_t offset, - uint64_t size); - struct drm_fence_driver *fence_driver; struct drm_bo_driver *bo_driver; @@ -1390,6 +1375,11 @@ static inline void drm_gem_object_unreference(struct drm_gem_object *obj) kref_put (&obj->refcount, drm_gem_object_free); } +int +drm_gem_handle_create(struct drm_file *file_priv, + struct drm_gem_object *obj, + int *handlep); + static inline void drm_gem_object_handle_reference (struct drm_gem_object *obj) { drm_gem_object_reference (obj); @@ -1413,37 +1403,16 @@ static inline void drm_gem_object_handle_unreference (struct drm_gem_object *obj struct drm_gem_object * drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, int handle); -int drm_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); int drm_gem_close_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); -int drm_gem_pread_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -int drm_gem_pwrite_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); -int drm_gem_mmap_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); int drm_gem_flink_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int drm_gem_open_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); -int drm_gem_set_domain_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv); void drm_gem_open(struct drm_device *dev, struct drm_file *file_private); void drm_gem_release(struct drm_device *dev, struct drm_file *file_private); - -/* - * Given the new read/write domains for an object, - * compute the invalidate/flush domains for the whole device. - * - */ -int drm_gem_object_set_domain (struct drm_gem_object *object, - uint32_t read_domains, - uint32_t write_domains); - - extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev); extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev); diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index edc1f057..980752c2 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -151,14 +151,9 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_MM_INFO, drm_mm_info_ioctl, 0), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_CREATE, drm_gem_create_ioctl, 0), DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_PREAD, drm_gem_pread_ioctl, 0), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_PWRITE, drm_gem_pwrite_ioctl, 0), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_MMAP, drm_gem_mmap_ioctl, 0), DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH), DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH), - DRM_IOCTL_DEF(DRM_IOCTL_GEM_SET_DOMAIN, drm_gem_set_domain_ioctl, DRM_AUTH), }; #define DRM_CORE_IOCTL_COUNT ARRAY_SIZE( drm_ioctls ) diff --git a/linux-core/drm_gem.c b/linux-core/drm_gem.c index a8ecaf76..47b55434 100644 --- a/linux-core/drm_gem.c +++ b/linux-core/drm_gem.c @@ -99,15 +99,6 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size) kref_init(&obj->refcount); kref_init(&obj->handlecount); obj->size = size; - - /* - * We've just allocated pages from the kernel, - * so they've just been written by the CPU with - * zeros. They'll need to be clflushed before we - * use them with the GPU. - */ - obj->write_domain = DRM_GEM_DOMAIN_CPU; - obj->read_domains = DRM_GEM_DOMAIN_CPU; if (dev->driver->gem_init_object != NULL && dev->driver->gem_init_object(obj) != 0) { fput(obj->filp); @@ -163,7 +154,7 @@ drm_gem_handle_delete(struct drm_file *filp, int handle) * to the object, which includes a regular reference count. Callers * will likely want to dereference the object afterwards. */ -static int +int drm_gem_handle_create(struct drm_file *file_priv, struct drm_gem_object *obj, int *handlep) @@ -191,6 +182,7 @@ again: drm_gem_object_handle_reference(obj); return 0; } +EXPORT_SYMBOL(drm_gem_handle_create); /** Returns a reference to the object named by the handle. */ struct drm_gem_object * @@ -217,40 +209,6 @@ drm_gem_object_lookup(struct drm_device *dev, struct drm_file *filp, EXPORT_SYMBOL(drm_gem_object_lookup); /** - * Creates a new mm object and returns a handle to it. - */ -int -drm_gem_create_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_gem_create *args = data; - struct drm_gem_object *obj; - int handle, ret; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - args->size = roundup(args->size, PAGE_SIZE); - - /* Allocate the new object */ - obj = drm_gem_object_alloc(dev, args->size); - if (obj == NULL) - return -ENOMEM; - - ret = drm_gem_handle_create(file_priv, obj, &handle); - mutex_lock(&dev->struct_mutex); - drm_gem_object_handle_unreference(obj); - mutex_unlock(&dev->struct_mutex); - - if (ret) - return ret; - - args->handle = handle; - - return 0; -} - -/** * Releases the handle to an mm object. */ int @@ -269,158 +227,6 @@ drm_gem_close_ioctl(struct drm_device *dev, void *data, } /** - * Reads data from the object referenced by handle. - * - * On error, the contents of *data are undefined. - */ -int -drm_gem_pread_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_gem_pread *args = data; - struct drm_gem_object *obj; - ssize_t read; - loff_t offset; - int ret; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - obj = drm_gem_object_lookup(dev, file_priv, args->handle); - if (obj == NULL) - return -EINVAL; - - mutex_lock(&dev->struct_mutex); - if (dev->driver->gem_set_domain) { - ret = dev->driver->gem_set_domain(obj, file_priv, - DRM_GEM_DOMAIN_CPU, - 0); - if (ret) { - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - return ret; - } - } - offset = args->offset; - - read = vfs_read(obj->filp, (char __user *)(uintptr_t)args->data_ptr, - args->size, &offset); - if (read != args->size) { - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - if (read < 0) - return read; - else - return -EINVAL; - } - - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -/** - * Maps the contents of an object, returning the address it is mapped - * into. - * - * While the mapping holds a reference on the contents of the object, it doesn't - * imply a ref on the object itself. - */ -int -drm_gem_mmap_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_gem_mmap *args = data; - struct drm_gem_object *obj; - loff_t offset; - unsigned long addr; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - obj = drm_gem_object_lookup(dev, file_priv, args->handle); - if (obj == NULL) - return -EINVAL; - - offset = args->offset; - - down_write(¤t->mm->mmap_sem); - addr = do_mmap(obj->filp, 0, args->size, - PROT_READ | PROT_WRITE, MAP_SHARED, - args->offset); - up_write(¤t->mm->mmap_sem); - mutex_lock(&dev->struct_mutex); - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - if (IS_ERR((void *)addr)) - return addr; - - args->addr_ptr = (uint64_t) addr; - - return 0; -} - -/** - * Writes data to the object referenced by handle. - * - * On error, the contents of the buffer that were to be modified are undefined. - */ -int -drm_gem_pwrite_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_gem_pwrite *args = data; - struct drm_gem_object *obj; - ssize_t written; - loff_t offset; - int ret; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - obj = drm_gem_object_lookup(dev, file_priv, args->handle); - if (obj == NULL) - return -EINVAL; - - mutex_lock(&dev->struct_mutex); - if (dev->driver->gem_set_domain) { - ret = dev->driver->gem_set_domain(obj, file_priv, - DRM_GEM_DOMAIN_CPU, - DRM_GEM_DOMAIN_CPU); - if (ret) { - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - return ret; - } - } - offset = args->offset; - - written = vfs_write(obj->filp, - (char __user *)(uintptr_t) args->data_ptr, - args->size, &offset); - - if (written != args->size) { - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - if (written < 0) - return written; - else - return -EINVAL; - } - - if (dev->driver->gem_flush_pwrite) - dev->driver->gem_flush_pwrite(obj, - args->offset, - args->size); - - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - - return 0; -} - -/** * Create a global name for an object, returning the name. * * Note that the name does not hold a reference; when the object @@ -512,39 +318,6 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data, } /** - * Called when user space prepares to use an object - */ -int -drm_gem_set_domain_ioctl(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_gem_set_domain *args = data; - struct drm_gem_object *obj; - int ret; - - if (!(dev->driver->driver_features & DRIVER_GEM)) - return -ENODEV; - - obj = drm_gem_object_lookup(dev, file_priv, args->handle); - if (obj == NULL) - return -EINVAL; - - mutex_lock(&dev->struct_mutex); - if (dev->driver->gem_set_domain) { - ret = dev->driver->gem_set_domain(obj, file_priv, - args->read_domains, - args->write_domain); - } else { - obj->read_domains = args->read_domains; - obj->write_domain = args->write_domain; - ret = 0; - } - drm_gem_object_unreference(obj); - mutex_unlock(&dev->struct_mutex); - return ret; -} - -/** * Called at device open time, sets up the structure for handling refcounting * of mm objects. */ diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index 3f246a08..8f51cd4d 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -588,8 +588,6 @@ static struct drm_driver driver = { .ioctls = i915_ioctls, .gem_init_object = i915_gem_init_object, .gem_free_object = i915_gem_free_object, - .gem_set_domain = i915_gem_set_domain, - .gem_flush_pwrite = i915_gem_flush_pwrite, .fops = { .owner = THIS_MODULE, .open = drm_open, diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index 3d47ec1a..e51de316 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -40,6 +40,11 @@ static int i915_gem_object_set_domain(struct drm_gem_object *obj, uint32_t read_domains, uint32_t write_domain); +int +i915_gem_set_domain(struct drm_gem_object *obj, + struct drm_file *file_priv, + uint32_t read_domains, + uint32_t write_domain); int i915_gem_init_ioctl(struct drm_device *dev, void *data, @@ -65,6 +70,199 @@ i915_gem_init_ioctl(struct drm_device *dev, void *data, return 0; } + +/** + * Creates a new mm object and returns a handle to it. + */ +int +i915_gem_create_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_create *args = data; + struct drm_gem_object *obj; + int handle, ret; + + args->size = roundup(args->size, PAGE_SIZE); + + /* Allocate the new object */ + obj = drm_gem_object_alloc(dev, args->size); + if (obj == NULL) + return -ENOMEM; + + ret = drm_gem_handle_create(file_priv, obj, &handle); + mutex_lock(&dev->struct_mutex); + drm_gem_object_handle_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + if (ret) + return ret; + + args->handle = handle; + + return 0; +} + +/** + * Reads data from the object referenced by handle. + * + * On error, the contents of *data are undefined. + */ +int +i915_gem_pread_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_pread *args = data; + struct drm_gem_object *obj; + ssize_t read; + loff_t offset; + int ret; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + mutex_lock(&dev->struct_mutex); + ret = i915_gem_set_domain(obj, file_priv, + I915_GEM_DOMAIN_CPU, 0); + if (ret) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return ret; + } + offset = args->offset; + + read = vfs_read(obj->filp, (char __user *)(uintptr_t)args->data_ptr, + args->size, &offset); + if (read != args->size) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + if (read < 0) + return read; + else + return -EINVAL; + } + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + return 0; +} + +/** + * Writes data to the object referenced by handle. + * + * On error, the contents of the buffer that were to be modified are undefined. + */ +int +i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_pwrite *args = data; + struct drm_gem_object *obj; + ssize_t written; + loff_t offset; + int ret; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + mutex_lock(&dev->struct_mutex); + ret = i915_gem_set_domain(obj, file_priv, + I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU); + if (ret) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return ret; + } + offset = args->offset; + + written = vfs_write(obj->filp, + (char __user *)(uintptr_t) args->data_ptr, + args->size, &offset); + + if (written != args->size) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + if (written < 0) + return written; + else + return -EINVAL; + } + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + return 0; +} + +/** + * Called when user space prepares to use an object + */ +int +i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_set_domain *args = data; + struct drm_gem_object *obj; + int ret; + + if (!(dev->driver->driver_features & DRIVER_GEM)) + return -ENODEV; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + mutex_lock(&dev->struct_mutex); + ret = i915_gem_set_domain(obj, file_priv, + args->read_domains, args->write_domain); + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return ret; +} + +/** + * Maps the contents of an object, returning the address it is mapped + * into. + * + * While the mapping holds a reference on the contents of the object, it doesn't + * imply a ref on the object itself. + */ +int +i915_gem_mmap_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_mmap *args = data; + struct drm_gem_object *obj; + loff_t offset; + unsigned long addr; + + if (!(dev->driver->driver_features & DRIVER_GEM)) + return -ENODEV; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + offset = args->offset; + + down_write(¤t->mm->mmap_sem); + addr = do_mmap(obj->filp, 0, args->size, + PROT_READ | PROT_WRITE, MAP_SHARED, + args->offset); + up_write(¤t->mm->mmap_sem); + mutex_lock(&dev->struct_mutex); + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + if (IS_ERR((void *)addr)) + return addr; + + args->addr_ptr = (uint64_t) addr; + + return 0; +} + static void i915_gem_object_free_page_list(struct drm_gem_object *obj) { @@ -187,7 +385,7 @@ i915_retire_commands(struct drm_device *dev) /* The sampler always gets flushed on i965 (sigh) */ if (IS_I965G(dev)) - flush_domains |= DRM_GEM_DOMAIN_I915_SAMPLER; + flush_domains |= I915_GEM_DOMAIN_SAMPLER; BEGIN_LP_RING(2); OUT_RING(cmd); OUT_RING(0); /* noop */ @@ -377,51 +575,51 @@ i915_gem_flush(struct drm_device *dev, invalidate_domains, flush_domains); #endif - if (flush_domains & DRM_GEM_DOMAIN_CPU) + if (flush_domains & I915_GEM_DOMAIN_CPU) drm_agp_chipset_flush(dev); - if ((invalidate_domains|flush_domains) & ~DRM_GEM_DOMAIN_CPU) { + if ((invalidate_domains|flush_domains) & ~I915_GEM_DOMAIN_CPU) { /* * read/write caches: * - * DRM_GEM_DOMAIN_I915_RENDER is always invalidated, but is + * I915_GEM_DOMAIN_RENDER is always invalidated, but is * only flushed if MI_NO_WRITE_FLUSH is unset. On 965, it is * also flushed at 2d versus 3d pipeline switches. * * read-only caches: * - * DRM_GEM_DOMAIN_I915_SAMPLER is flushed on pre-965 if + * I915_GEM_DOMAIN_SAMPLER is flushed on pre-965 if * MI_READ_FLUSH is set, and is always flushed on 965. * - * DRM_GEM_DOMAIN_I915_COMMAND may not exist? + * I915_GEM_DOMAIN_COMMAND may not exist? * - * DRM_GEM_DOMAIN_I915_INSTRUCTION, which exists on 965, is + * I915_GEM_DOMAIN_INSTRUCTION, which exists on 965, is * invalidated when MI_EXE_FLUSH is set. * - * DRM_GEM_DOMAIN_I915_VERTEX, which exists on 965, is + * I915_GEM_DOMAIN_VERTEX, which exists on 965, is * invalidated with every MI_FLUSH. * * TLBs: * - * On 965, TLBs associated with DRM_GEM_DOMAIN_I915_COMMAND - * and DRM_GEM_DOMAIN_CPU in are invalidated at PTE write and - * DRM_GEM_DOMAIN_I915_RENDER and DRM_GEM_DOMAIN_I915_SAMPLER + * On 965, TLBs associated with I915_GEM_DOMAIN_COMMAND + * and I915_GEM_DOMAIN_CPU in are invalidated at PTE write and + * I915_GEM_DOMAIN_RENDER and I915_GEM_DOMAIN_SAMPLER * are flushed at any MI_FLUSH. */ cmd = CMD_MI_FLUSH | MI_NO_WRITE_FLUSH; if ((invalidate_domains|flush_domains) & - DRM_GEM_DOMAIN_I915_RENDER) + I915_GEM_DOMAIN_RENDER) cmd &= ~MI_NO_WRITE_FLUSH; if (!IS_I965G(dev)) { /* * On the 965, the sampler cache always gets flushed * and this bit is reserved. */ - if (invalidate_domains & DRM_GEM_DOMAIN_I915_SAMPLER) + if (invalidate_domains & I915_GEM_DOMAIN_SAMPLER) cmd |= MI_READ_FLUSH; } - if (invalidate_domains & DRM_GEM_DOMAIN_I915_INSTRUCTION) + if (invalidate_domains & I915_GEM_DOMAIN_INSTRUCTION) cmd |= MI_EXE_FLUSH; #if WATCH_EXEC @@ -448,7 +646,7 @@ i915_gem_object_wait_rendering(struct drm_gem_object *obj) /* If there are writes queued to the buffer, flush and * create a new seqno to wait for. */ - if (obj->write_domain & ~(DRM_GEM_DOMAIN_CPU)) { + if (obj->write_domain & ~(I915_GEM_DOMAIN_CPU)) { uint32_t write_domain = obj->write_domain; #if WATCH_BUF DRM_INFO("%s: flushing object %p from write domain %08x\n", @@ -503,8 +701,8 @@ i915_gem_object_unbind(struct drm_gem_object *obj) * also ensure that all pending GPU writes are finished * before we unbind. */ - ret = i915_gem_object_set_domain (obj, DRM_GEM_DOMAIN_CPU, - DRM_GEM_DOMAIN_CPU); + ret = i915_gem_object_set_domain (obj, I915_GEM_DOMAIN_CPU, + I915_GEM_DOMAIN_CPU); if (ret) return ret; @@ -805,8 +1003,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) * wasn't in the GTT, there shouldn't be any way it could have been in * a GPU cache */ - BUG_ON(obj->read_domains & ~DRM_GEM_DOMAIN_CPU); - BUG_ON(obj->write_domain & ~DRM_GEM_DOMAIN_CPU); + BUG_ON(obj->read_domains & ~I915_GEM_DOMAIN_CPU); + BUG_ON(obj->write_domain & ~I915_GEM_DOMAIN_CPU); return 0; } @@ -973,7 +1171,7 @@ i915_gem_object_set_domain(struct drm_gem_object *obj, * stale data. That is, any new read domains. */ invalidate_domains |= read_domains & ~obj->read_domains; - if ((flush_domains | invalidate_domains) & DRM_GEM_DOMAIN_CPU) { + if ((flush_domains | invalidate_domains) & I915_GEM_DOMAIN_CPU) { #if WATCH_BUF DRM_INFO("%s: CPU domain flush %08x invalidate %08x\n", __func__, flush_domains, invalidate_domains); @@ -983,8 +1181,8 @@ i915_gem_object_set_domain(struct drm_gem_object *obj, * then pause for rendering so that the GPU caches will be * flushed before the cpu cache is invalidated */ - if ((invalidate_domains & DRM_GEM_DOMAIN_CPU) && - (flush_domains & ~DRM_GEM_DOMAIN_CPU)) { + if ((invalidate_domains & I915_GEM_DOMAIN_CPU) && + (flush_domains & ~I915_GEM_DOMAIN_CPU)) { ret = i915_gem_object_wait_rendering(obj); if (ret) return ret; @@ -1225,7 +1423,7 @@ i915_gem_object_bind_and_relocate(struct drm_gem_object *obj, /* As we're writing through the gtt, flush * any CPU writes before we write the relocations */ - if (obj->write_domain & DRM_GEM_DOMAIN_CPU) { + if (obj->write_domain & I915_GEM_DOMAIN_CPU) { i915_gem_clflush_object(obj); drm_agp_chipset_flush(dev); obj->write_domain = 0; @@ -1466,7 +1664,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, /* Set the pending read domains for the batch buffer to COMMAND */ batch_obj = object_list[args->buffer_count-1]; - batch_obj->pending_read_domains = DRM_GEM_DOMAIN_I915_COMMAND; + batch_obj->pending_read_domains = I915_GEM_DOMAIN_COMMAND; batch_obj->pending_write_domain = 0; for (i = 0; i < args->buffer_count; i++) { @@ -1700,6 +1898,15 @@ int i915_gem_init_object(struct drm_gem_object *obj) if (obj_priv == NULL) return -ENOMEM; + /* + * We've just allocated pages from the kernel, + * so they've just been written by the CPU with + * zeros. They'll need to be clflushed before we + * use them with the GPU. + */ + obj->write_domain = I915_GEM_DOMAIN_CPU; + obj->read_domains = I915_GEM_DOMAIN_CPU; + obj->driver_private = obj_priv; obj_priv->obj = obj; INIT_LIST_HEAD(&obj_priv->list); @@ -1735,32 +1942,6 @@ i915_gem_set_domain(struct drm_gem_object *obj, return 0; } -int -i915_gem_flush_pwrite(struct drm_gem_object *obj, - uint64_t offset, uint64_t size) -{ -#if 0 - struct drm_device *dev = obj->dev; - struct drm_i915_gem_object *obj_priv = obj->driver_private; - - /* - * For writes much less than the size of the object and - * which are already pinned in memory, do the flush right now - */ - - if ((size < obj->size >> 1) && obj_priv->page_list != NULL) { - unsigned long first_page = offset / PAGE_SIZE; - unsigned long beyond_page = roundup(offset + size, PAGE_SIZE) / PAGE_SIZE; - - drm_ttm_cache_flush(obj_priv->page_list + first_page, - beyond_page - first_page); - drm_agp_chipset_flush(dev); - obj->write_domain = 0; - } -#endif - return 0; -} - void i915_gem_lastclose(struct drm_device *dev) { |