diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 35 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 488 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_tiling.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 20 | ||||
| -rw-r--r-- | include/drm/i915_drm.h | 14 |
7 files changed, 562 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index dacdf3c..1b81b6a 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -991,6 +991,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0), + DRM_IOCTL_DEF(DRM_I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0), DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0), diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index c916483..e0d996e 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -81,6 +81,10 @@ static int i915_resume(struct drm_device *dev) return 0; } +static struct vm_operations_struct i915_gem_vm_ops = { + .fault = i915_gem_fault, +}; + static struct drm_driver driver = { /* don't use mtrr's here, the Xserver or user space app should * deal with them for intel hardware. @@ -113,13 +117,14 @@ static struct drm_driver driver = { .proc_cleanup = i915_gem_proc_cleanup, .gem_init_object = i915_gem_init_object, .gem_free_object = i915_gem_free_object, + .gem_vm_ops = &i915_gem_vm_ops, .ioctls = i915_ioctls, .fops = { .owner = THIS_MODULE, .open = drm_open, .release = drm_release, .ioctl = drm_ioctl, - .mmap = drm_mmap, + .mmap = drm_gem_mmap, .poll = drm_poll, .fasync = drm_fasync, #ifdef CONFIG_COMPAT diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ba096f9..85a072e8 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -107,6 +107,11 @@ struct drm_i915_master_private { drm_local_map_t *sarea; struct _drm_i915_sarea *sarea_priv; }; +#define I915_FENCE_REG_NONE -1 + +struct drm_i915_fence_reg { + struct drm_gem_object *obj; +}; typedef struct drm_i915_private { struct drm_device *dev; @@ -149,6 +154,10 @@ typedef struct drm_i915_private { struct intel_opregion opregion; + struct drm_i915_fence_reg fence_regs[16]; /* assume 965 */ + int fence_reg_start; /* 4 if userland hasn't ioctl'd us yet */ + int num_fence_regs; /* 8 on pre-965, 16 otherwise */ + /* Register state */ u8 saveLBB; u32 saveDSPACNTR; @@ -367,6 +376,21 @@ struct drm_i915_gem_object { * This is the same as gtt_space->start */ uint32_t gtt_offset; + /** + * Required alignment for the object + */ + uint32_t gtt_alignment; + /** + * Fake offset for use by mmap(2) + */ + uint64_t mmap_offset; + + /** + * Fence register bits (if any) for this object. Will be set + * as needed when mapped into the GTT. + * Protected by dev->struct_mutex. + */ + int fence_reg; /** Boolean whether this object has a valid gtt offset. */ int gtt_bound; @@ -379,6 +403,7 @@ struct drm_i915_gem_object { /** Current tiling mode for the object. */ uint32_t tiling_mode; + uint32_t stride; /** AGP mapping type (AGP_USER_MEMORY or AGP_USER_CACHED_MEMORY */ uint32_t agp_type; @@ -493,6 +518,8 @@ int i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); int i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_sw_finish_ioctl(struct drm_device *dev, void *data, @@ -529,6 +556,7 @@ uint32_t i915_get_gem_seqno(struct drm_device *dev); void i915_gem_retire_requests(struct drm_device *dev); void i915_gem_retire_work_handler(struct work_struct *work); void i915_gem_clflush_object(struct drm_gem_object *obj); +int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); /* i915_gem_tiling.c */ void i915_gem_detect_bit_6_swizzle(struct drm_device *dev); @@ -584,6 +612,13 @@ static inline void opregion_enable_asle(struct drm_device *dev) { return; } #define I915_WRITE16(reg, val) writel(val, dev_priv->regs + (reg)) #define I915_READ8(reg) readb(dev_priv->regs + (reg)) #define I915_WRITE8(reg, val) writeb(val, dev_priv->regs + (reg)) +#ifdef writeq +#define I915_WRITE64(reg, val) writeq(val, dev_priv->regs + (reg)) +#else +#define I915_WRITE64(reg, val) (writel(val, dev_priv->regs + (reg)), \ + writel(upper_32_bits(val), dev_priv->regs + \ + (reg) + 4)) +#endif #define I915_VERBOSE 0 diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 24fe8c1..0ac9771 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -51,6 +51,11 @@ static void i915_gem_object_set_to_full_cpu_read_domain(struct drm_gem_object *o static int i915_gem_object_get_page_list(struct drm_gem_object *obj); static void i915_gem_object_free_page_list(struct drm_gem_object *obj); static int i915_gem_object_wait_rendering(struct drm_gem_object *obj); +static int i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, + unsigned alignment); +static void i915_gem_object_get_fence_reg(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); @@ -529,6 +534,252 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data, return 0; } +/** + * i915_gem_fault - fault a page into the GTT + * vma: VMA in question + * vmf: fault info + * + * The fault handler is set up by drm_gem_mmap() when a object is GTT mapped + * from userspace. The fault handler takes care of binding the object to + * the GTT (if needed), allocating and programming a fence register (again, + * only if needed based on whether the old reg is still valid or the object + * is tiled) and inserting a new PTE into the faulting process. + * + * Note that the faulting process may involve evicting existing objects + * from the GTT and/or fence registers to make room. So performance may + * suffer if the GTT working set is large or there are few fence registers + * left. + */ +int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf) +{ + struct drm_gem_object *obj = vma->vm_private_data; + struct drm_device *dev = obj->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + pgoff_t page_offset; + unsigned long pfn; + int ret = 0; + + /* We don't use vmf->pgoff since that has the fake offset */ + page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >> + PAGE_SHIFT; + + /* Now bind it into the GTT if needed */ + mutex_lock(&dev->struct_mutex); + if (!obj_priv->gtt_space) { + ret = i915_gem_object_bind_to_gtt(obj, obj_priv->gtt_alignment); + if (ret) { + mutex_unlock(&dev->struct_mutex); + return VM_FAULT_SIGBUS; + } + list_add(&obj_priv->list, &dev_priv->mm.inactive_list); + } + + /* Need a new fence register? */ + if (obj_priv->fence_reg == I915_FENCE_REG_NONE && + obj_priv->tiling_mode != I915_TILING_NONE) + i915_gem_object_get_fence_reg(obj); + + pfn = ((dev->agp->base + obj_priv->gtt_offset) >> PAGE_SHIFT) + + page_offset; + + /* Finally, remap it using the new GTT offset */ + ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn); + + mutex_unlock(&dev->struct_mutex); + + switch (ret) { + case -ENOMEM: + case -EAGAIN: + return VM_FAULT_OOM; + case -EFAULT: + case -EBUSY: + DRM_ERROR("can't insert pfn?? fault or busy...\n"); + return VM_FAULT_SIGBUS; + default: + return VM_FAULT_NOPAGE; + } +} + +/** + * i915_gem_create_mmap_offset - create a fake mmap offset for an object + * @obj: obj in question + * + * GEM memory mapping works by handing back to userspace a fake mmap offset + * it can use in a subsequent mmap(2) call. The DRM core code then looks + * up the object based on the offset and sets up the various memory mapping + * structures. + * + * This routine allocates and attaches a fake offset for @obj. + */ +static int +i915_gem_create_mmap_offset(struct drm_gem_object *obj) +{ + struct drm_device *dev = obj->dev; + struct drm_gem_mm *mm = dev->mm_private; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + struct drm_map_list *list; + struct drm_map *map; + int ret = 0; + + /* Set the object up for mmap'ing */ + list = &obj->map_list; + list->map = drm_calloc(1, sizeof(struct drm_map_list), + DRM_MEM_DRIVER); + if (!list->map) + return -ENOMEM; + + map = list->map; + map->type = _DRM_GEM; + map->size = obj->size; + map->handle = obj; + + /* Get a DRM GEM mmap offset allocated... */ + list->file_offset_node = drm_mm_search_free(&mm->offset_manager, + obj->size / PAGE_SIZE, 0, 0); + if (!list->file_offset_node) { + DRM_ERROR("failed to allocate offset for bo %d\n", obj->name); + ret = -ENOMEM; + goto out_free_list; + } + + list->file_offset_node = drm_mm_get_block(list->file_offset_node, + obj->size / PAGE_SIZE, 0); + if (!list->file_offset_node) { + ret = -ENOMEM; + goto out_free_list; + } + + 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"); + goto out_free_mm; + } + + /* By now we should be all set, any drm_mmap request on the offset + * below will get to our mmap & fault handler */ + obj_priv->mmap_offset = ((uint64_t) list->hash.key) << PAGE_SHIFT; + + return 0; + +out_free_mm: + drm_mm_put_block(list->file_offset_node); +out_free_list: + drm_free(list->map, sizeof(struct drm_map_list), DRM_MEM_DRIVER); + + return ret; +} + +/** + * i915_gem_get_gtt_alignment - return required GTT alignment for an object + * @obj: object to check + * + * Return the required GTT alignment for an object, taking into account + * potential fence register mapping if needed. + */ +static uint32_t +i915_gem_get_gtt_alignment(struct drm_gem_object *obj) +{ + struct drm_device *dev = obj->dev; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + int start, i; + + /* + * Minimum alignment is 4k (GTT page size), but might be greater + * if a fence register is needed for the object. + */ + if (IS_I965G(dev) || obj_priv->tiling_mode == I915_TILING_NONE) + return 4096; + + /* + * Previous chips need to be aligned to the size of the smallest + * fence register that can contain the object. + */ + if (IS_I9XX(dev)) + start = 1024*1024; + else + start = 512*1024; + + for (i = start; i < obj->size; i <<= 1) + ; + + return i; +} + +/** + * i915_gem_mmap_gtt_ioctl - prepare an object for GTT mmap'ing + * @dev: DRM device + * @data: GTT mapping ioctl data + * @file_priv: GEM object info + * + * Simply returns the fake offset to userspace so it can mmap it. + * The mmap call will end up in drm_gem_mmap(), which will set things + * up so we can get faults in the handler above. + * + * The fault handler will take care of binding the object into the GTT + * (since it may have been evicted to make room for something), allocating + * a fence register, and mapping the appropriate aperture address into + * userspace. + */ +int +i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_mmap_gtt *args = data; + struct drm_i915_private *dev_priv = dev->dev_private; + struct drm_gem_object *obj; + struct drm_i915_gem_object *obj_priv; + 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 -EBADF; + + mutex_lock(&dev->struct_mutex); + + obj_priv = obj->driver_private; + + if (!obj_priv->mmap_offset) { + ret = i915_gem_create_mmap_offset(obj); + if (ret) + return ret; + } + + args->offset = obj_priv->mmap_offset; + + obj_priv->gtt_alignment = i915_gem_get_gtt_alignment(obj); + + /* Make sure the alignment is correct for fence regs etc */ + if (obj_priv->agp_mem && + (obj_priv->gtt_offset & (obj_priv->gtt_alignment - 1))) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + + /* + * Pull it into the GTT so that we have a page list (makes the + * initial fault faster and any subsequent flushing possible). + */ + if (!obj_priv->agp_mem) { + ret = i915_gem_object_bind_to_gtt(obj, obj_priv->gtt_alignment); + if (ret) { + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return ret; + } + list_add(&obj_priv->list, &dev_priv->mm.inactive_list); + } + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + + return 0; +} + static void i915_gem_object_free_page_list(struct drm_gem_object *obj) { @@ -726,6 +977,7 @@ i915_gem_retire_request(struct drm_device *dev, */ if (obj_priv->last_rendering_seqno != request->seqno) return; + #if WATCH_LRU DRM_INFO("%s: retire %d moves to inactive list %p\n", __func__, request->seqno, obj); @@ -956,6 +1208,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj) { struct drm_device *dev = obj->dev; struct drm_i915_gem_object *obj_priv = obj->driver_private; + loff_t offset; int ret = 0; #if WATCH_BUF @@ -991,6 +1244,13 @@ i915_gem_object_unbind(struct drm_gem_object *obj) BUG_ON(obj_priv->active); + /* 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 (obj_priv->fence_reg != I915_FENCE_REG_NONE) + i915_gem_clear_fence_reg(obj); + i915_gem_object_free_page_list(obj); if (obj_priv->gtt_space) { @@ -1149,6 +1409,203 @@ i915_gem_object_get_page_list(struct drm_gem_object *obj) return 0; } +static void i965_write_fence_reg(struct drm_i915_fence_reg *reg) +{ + struct drm_gem_object *obj = reg->obj; + struct drm_device *dev = obj->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + int regnum = obj_priv->fence_reg; + uint64_t val; + + val = (uint64_t)((obj_priv->gtt_offset + obj->size - 4096) & + 0xfffff000) << 32; + val |= obj_priv->gtt_offset & 0xfffff000; + val |= ((obj_priv->stride / 128) - 1) << I965_FENCE_PITCH_SHIFT; + if (obj_priv->tiling_mode == I915_TILING_Y) + val |= 1 << I965_FENCE_TILING_Y_SHIFT; + val |= I965_FENCE_REG_VALID; + + I915_WRITE64(FENCE_REG_965_0 + (regnum * 8), val); +} + +static void i915_write_fence_reg(struct drm_i915_fence_reg *reg) +{ + struct drm_gem_object *obj = reg->obj; + struct drm_device *dev = obj->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + int regnum = obj_priv->fence_reg; + uint32_t val; + uint32_t pitch_val; + + if ((obj_priv->gtt_offset & ~I915_FENCE_START_MASK) || + (obj_priv->gtt_offset & (obj->size - 1))) { + WARN(1, "%s: object not 1M or size aligned\n", __FUNCTION__); + return; + } + + if (obj_priv->tiling_mode == I915_TILING_Y && (IS_I945G(dev) || + IS_I945GM(dev) || + IS_G33(dev))) + pitch_val = (obj_priv->stride / 128) - 1; + else + pitch_val = (obj_priv->stride / 512) - 1; + + val = obj_priv->gtt_offset; + if (obj_priv->tiling_mode == I915_TILING_Y) + val |= 1 << I830_FENCE_TILING_Y_SHIFT; + val |= I915_FENCE_SIZE_BITS(obj->size); + val |= pitch_val << I830_FENCE_PITCH_SHIFT; + val |= I830_FENCE_REG_VALID; + + I915_WRITE(FENCE_REG_830_0 + (regnum * 4), val); +} + +static void i830_write_fence_reg(struct drm_i915_fence_reg *reg) +{ + struct drm_gem_object *obj = reg->obj; + struct drm_device *dev = obj->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + int regnum = obj_priv->fence_reg; + uint32_t val; + uint32_t pitch_val; + + if ((obj_priv->gtt_offset & ~I915_FENCE_START_MASK) || + (obj_priv->gtt_offset & (obj->size - 1))) { + WARN(1, "%s: object not 1M or size aligned\n", __FUNCTION__); + return; + } + + pitch_val = (obj_priv->stride / 128) - 1; + + val = obj_priv->gtt_offset; + if (obj_priv->tiling_mode == I915_TILING_Y) + val |= 1 << I830_FENCE_TILING_Y_SHIFT; + val |= I830_FENCE_SIZE_BITS(obj->size); + val |= pitch_val << I830_FENCE_PITCH_SHIFT; + val |= I830_FENCE_REG_VALID; + + I915_WRITE(FENCE_REG_830_0 + (regnum * 4), val); + +} + +/** + * i915_gem_object_get_fence_reg - set up a fence reg for an object + * @obj: object to map through a fence reg + * + * When mapping objects through the GTT, userspace wants to be able to write + * to them without having to worry about swizzling if the object is tiled. + * + * This function walks the fence regs looking for a free one for @obj, + * stealing one if it can't find any. + * + * It then sets up the reg based on the object's properties: address, pitch + * and tiling format. + */ +static void +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_gem_object *obj_priv = obj->driver_private; + struct drm_i915_fence_reg *reg = NULL; + int i, ret; + + switch (obj_priv->tiling_mode) { + case I915_TILING_NONE: + WARN(1, "allocating a fence for non-tiled object?\n"); + break; + case I915_TILING_X: + WARN(obj_priv->stride & (512 - 1), + "object is X tiled but has non-512B pitch\n"); + break; + case I915_TILING_Y: + WARN(obj_priv->stride & (128 - 1), + "object is Y tiled but has non-128B pitch\n"); + break; + } + + /* First try to find a free reg */ + for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) { + reg = &dev_priv->fence_regs[i]; + if (!reg->obj) + break; + } + + /* None available, try to steal one or wait for a user to finish */ + if (i == dev_priv->num_fence_regs) { + struct drm_i915_gem_object *old_obj_priv = NULL; + loff_t offset; + +try_again: + /* Could try to use LRU here instead... */ + for (i = dev_priv->fence_reg_start; + i < dev_priv->num_fence_regs; i++) { + reg = &dev_priv->fence_regs[i]; + old_obj_priv = reg->obj->driver_private; + if (!old_obj_priv->pin_count) + break; + } + + /* + * Now things get ugly... we have to wait for one of the + * objects to finish before trying again. + */ + if (i == dev_priv->num_fence_regs) { + ret = i915_gem_object_wait_rendering(reg->obj); + if (ret) { + WARN(ret, "wait_rendering failed: %d\n", ret); + return; + } + goto try_again; + } + + /* + * Zap this virtual mapping so we can set up a fence again + * 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); + old_obj_priv->fence_reg = I915_FENCE_REG_NONE; + } + + obj_priv->fence_reg = i; + reg->obj = obj; + + if (IS_I965G(dev)) + i965_write_fence_reg(reg); + else if (IS_I9XX(dev)) + i915_write_fence_reg(reg); + else + i830_write_fence_reg(reg); +} + +/** + * i915_gem_clear_fence_reg - clear out fence register info + * @obj: object to clear + * + * Zeroes out the fence register itself and clears out the associated + * data structures in dev_priv and obj_priv. + */ +static void +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; + struct drm_i915_gem_object *obj_priv = obj->driver_private; + + if (IS_I965G(dev)) + I915_WRITE64(FENCE_REG_965_0 + (obj_priv->fence_reg * 8), 0); + else + I915_WRITE(FENCE_REG_830_0 + (obj_priv->fence_reg * 4), 0); + + dev_priv->fence_regs[obj_priv->fence_reg].obj = NULL; + obj_priv->fence_reg = I915_FENCE_REG_NONE; +} + /** * Finds free space in the GTT aperture and binds the object there. */ @@ -2351,12 +2808,18 @@ int i915_gem_init_object(struct drm_gem_object *obj) obj->driver_private = obj_priv; obj_priv->obj = obj; + obj_priv->fence_reg = I915_FENCE_REG_NONE; INIT_LIST_HEAD(&obj_priv->list); + return 0; } void i915_gem_free_object(struct drm_gem_object *obj) { + struct drm_device *dev = obj->dev; + struct drm_gem_mm *mm = dev->mm_private; + struct drm_map_list *list; + struct drm_map *map; struct drm_i915_gem_object *obj_priv = obj->driver_private; while (obj_priv->pin_count > 0) @@ -2364,6 +2827,20 @@ void i915_gem_free_object(struct drm_gem_object *obj) i915_gem_object_unbind(obj); + list = &obj->map_list; + drm_ht_remove_item(&mm->offset_hash, &list->hash); + + if (list->file_offset_node) { + drm_mm_put_block(list->file_offset_node); + list->file_offset_node = NULL; + } + + map = list->map; + if (map) { + drm_free(map, sizeof(*map), DRM_MEM_DRIVER); + list->map = NULL; + } + drm_free(obj_priv->page_cpu_valid, 1, DRM_MEM_DRIVER); drm_free(obj->driver_private, 1, DRM_MEM_DRIVER); } @@ -2432,8 +2909,7 @@ i915_gem_idle(struct drm_device *dev) */ i915_gem_flush(dev, ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT), ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT)); - seqno = i915_add_request(dev, ~(I915_GEM_DOMAIN_CPU | - I915_GEM_DOMAIN_GTT)); + seqno = i915_add_request(dev, ~I915_GEM_DOMAIN_CPU); if (seqno == 0) { mutex_unlock(&dev->struct_mutex); @@ -2758,5 +3234,13 @@ i915_gem_load(struct drm_device *dev) i915_gem_retire_work_handler); dev_priv->mm.next_gem_seqno = 1; + /* Old X drivers will take 0-2 for front, back, depth buffers */ + dev_priv->fence_reg_start = 3; + + if (IS_I965G(dev)) + dev_priv->num_fence_regs = 16; + else + dev_priv->num_fence_regs = 8; + i915_gem_detect_bit_6_swizzle(dev); } diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c index a8cb694..241f39b 100644 --- a/drivers/gpu/drm/i915/i915_gem_tiling.c +++ b/drivers/gpu/drm/i915/i915_gem_tiling.c @@ -208,6 +208,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data, } } obj_priv->tiling_mode = args->tiling_mode; + obj_priv->stride = args->stride; mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9d24aae..47e6baf 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -175,9 +175,26 @@ #define DISPLAY_PLANE_B (1<<20) /* - * Instruction and interrupt control regs + * Fence registers */ +#define FENCE_REG_830_0 0x2000 +#define I830_FENCE_START_MASK 0x07f80000 +#define I830_FENCE_TILING_Y_SHIFT 12 +#define I830_FENCE_SIZE_BITS(size) ((get_order(size >> 19) - 1) << 8) +#define I830_FENCE_PITCH_SHIFT 4 +#define I830_FENCE_REG_VALID (1<<0) + +#define I915_FENCE_START_MASK 0x0ff00000 +#define I915_FENCE_SIZE_BITS(size) ((get_order(size >> 20) - 1) << 8) +#define FENCE_REG_965_0 0x03000 +#define I965_FENCE_PITCH_SHIFT 2 +#define I965_FENCE_TILING_Y_SHIFT 1 +#define I965_FENCE_REG_VALID (1<<0) + +/* + * Instruction and interrupt control regs + */ #define PRB0_TAIL 0x02030 #define PRB0_HEAD 0x02034 #define PRB0_START 0x02038 @@ -245,6 +262,7 @@ #define CM0_RC_OP_FLUSH_DISABLE (1<<0) #define GFX_FLSH_CNTL 0x02170 /* 915+ only */ + /* * Framebuffer compression (915+ only) */ diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h index 152b34d..3f663ec 100644 --- a/include/drm/i915_drm.h +++ b/include/drm/i915_drm.h @@ -160,6 +160,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_GEM_SET_TILING 0x21 #define DRM_I915_GEM_GET_TILING 0x22 #define DRM_I915_GEM_GET_APERTURE 0x23 +#define DRM_I915_GEM_MMAP_GTT 0x24 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -187,6 +188,7 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_GEM_PREAD DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PREAD, struct drm_i915_gem_pread) #define DRM_IOCTL_I915_GEM_PWRITE DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_PWRITE, struct drm_i915_gem_pwrite) #define DRM_IOCTL_I915_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP, struct drm_i915_gem_mmap) +#define DRM_IOCTL_I915_GEM_MMAP_GTT DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MMAP_GTT, struct drm_i915_gem_mmap_gtt) #define DRM_IOCTL_I915_GEM_SET_DOMAIN DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SET_DOMAIN, struct drm_i915_gem_set_domain) #define DRM_IOCTL_I915_GEM_SW_FINISH DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_SW_FINISH, struct drm_i915_gem_sw_finish) #define DRM_IOCTL_I915_GEM_SET_TILING DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_SET_TILING, struct drm_i915_gem_set_tiling) @@ -382,6 +384,18 @@ struct drm_i915_gem_mmap { uint64_t addr_ptr; }; +struct drm_i915_gem_mmap_gtt { + /** Handle for the object being mapped. */ + uint32_t handle; + uint32_t pad; + /** + * Fake offset to use for subsequent mmap call + * + * This is a fixed-size type for 32/64 compatibility. + */ + uint64_t offset; +}; + struct drm_i915_gem_set_domain { /** Handle for the object */ uint32_t handle; |
