diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 897 |
1 files changed, 330 insertions, 567 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 112699f71fa..9ded3dae6c8 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -35,8 +35,6 @@ #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); @@ -169,7 +167,7 @@ static int i915_gem_object_needs_bit17_swizzle(struct drm_gem_object *obj) obj_priv->tiling_mode != I915_TILING_NONE; } -static inline int +static inline void slow_shmem_copy(struct page *dst_page, int dst_offset, struct page *src_page, @@ -178,25 +176,16 @@ slow_shmem_copy(struct page *dst_page, { char *dst_vaddr, *src_vaddr; - dst_vaddr = kmap_atomic(dst_page, KM_USER0); - if (dst_vaddr == NULL) - return -ENOMEM; - - src_vaddr = kmap_atomic(src_page, KM_USER1); - if (src_vaddr == NULL) { - kunmap_atomic(dst_vaddr, KM_USER0); - return -ENOMEM; - } + dst_vaddr = kmap(dst_page); + src_vaddr = kmap(src_page); memcpy(dst_vaddr + dst_offset, src_vaddr + src_offset, length); - kunmap_atomic(src_vaddr, KM_USER1); - kunmap_atomic(dst_vaddr, KM_USER0); - - return 0; + kunmap(src_page); + kunmap(dst_page); } -static inline int +static inline void slow_shmem_bit17_copy(struct page *gpu_page, int gpu_offset, struct page *cpu_page, @@ -216,15 +205,8 @@ slow_shmem_bit17_copy(struct page *gpu_page, cpu_page, cpu_offset, length); } - gpu_vaddr = kmap_atomic(gpu_page, KM_USER0); - if (gpu_vaddr == NULL) - return -ENOMEM; - - cpu_vaddr = kmap_atomic(cpu_page, KM_USER1); - if (cpu_vaddr == NULL) { - kunmap_atomic(gpu_vaddr, KM_USER0); - return -ENOMEM; - } + gpu_vaddr = kmap(gpu_page); + cpu_vaddr = kmap(cpu_page); /* Copy the data, XORing A6 with A17 (1). The user already knows he's * XORing with the other bits (A9 for Y, A9 and A10 for X) @@ -248,10 +230,8 @@ slow_shmem_bit17_copy(struct page *gpu_page, length -= this_length; } - kunmap_atomic(cpu_vaddr, KM_USER1); - kunmap_atomic(gpu_vaddr, KM_USER0); - - return 0; + kunmap(cpu_page); + kunmap(gpu_page); } /** @@ -427,21 +407,19 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj, page_length = PAGE_SIZE - data_page_offset; if (do_bit17_swizzling) { - ret = slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index], - shmem_page_offset, - user_pages[data_page_index], - data_page_offset, - page_length, - 1); - } else { - ret = slow_shmem_copy(user_pages[data_page_index], - data_page_offset, - obj_priv->pages[shmem_page_index], + slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index], shmem_page_offset, - page_length); + user_pages[data_page_index], + data_page_offset, + page_length, + 1); + } else { + slow_shmem_copy(user_pages[data_page_index], + data_page_offset, + obj_priv->pages[shmem_page_index], + shmem_page_offset, + page_length); } - if (ret) - goto fail_put_pages; remain -= page_length; data_ptr += page_length; @@ -531,25 +509,24 @@ fast_user_write(struct io_mapping *mapping, * page faults */ -static inline int +static inline void slow_kernel_write(struct io_mapping *mapping, loff_t gtt_base, int gtt_offset, struct page *user_page, int user_offset, int length) { - char *src_vaddr, *dst_vaddr; - unsigned long unwritten; + char __iomem *dst_vaddr; + char *src_vaddr; - dst_vaddr = io_mapping_map_atomic_wc(mapping, gtt_base); - src_vaddr = kmap_atomic(user_page, KM_USER1); - unwritten = __copy_from_user_inatomic_nocache(dst_vaddr + gtt_offset, - src_vaddr + user_offset, - length); - kunmap_atomic(src_vaddr, KM_USER1); - io_mapping_unmap_atomic(dst_vaddr); - if (unwritten) - return -EFAULT; - return 0; + dst_vaddr = io_mapping_map_wc(mapping, gtt_base); + src_vaddr = kmap(user_page); + + memcpy_toio(dst_vaddr + gtt_offset, + src_vaddr + user_offset, + length); + + kunmap(user_page); + io_mapping_unmap(dst_vaddr); } static inline int @@ -722,18 +699,11 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj, if ((data_page_offset + page_length) > PAGE_SIZE) page_length = PAGE_SIZE - data_page_offset; - ret = slow_kernel_write(dev_priv->mm.gtt_mapping, - gtt_page_base, gtt_page_offset, - user_pages[data_page_index], - data_page_offset, - page_length); - - /* If we get a fault while copying data, then (presumably) our - * source page isn't available. Return the error and we'll - * retry in the slow path. - */ - if (ret) - goto out_unpin_object; + slow_kernel_write(dev_priv->mm.gtt_mapping, + gtt_page_base, gtt_page_offset, + user_pages[data_page_index], + data_page_offset, + page_length); remain -= page_length; offset += page_length; @@ -902,21 +872,19 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj, page_length = PAGE_SIZE - data_page_offset; if (do_bit17_swizzling) { - ret = slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index], - shmem_page_offset, - user_pages[data_page_index], - data_page_offset, - page_length, - 0); - } else { - ret = slow_shmem_copy(obj_priv->pages[shmem_page_index], + slow_shmem_bit17_copy(obj_priv->pages[shmem_page_index], shmem_page_offset, user_pages[data_page_index], data_page_offset, - page_length); + page_length, + 0); + } else { + slow_shmem_copy(obj_priv->pages[shmem_page_index], + shmem_page_offset, + user_pages[data_page_index], + data_page_offset, + page_length); } - if (ret) - goto fail_put_pages; remain -= page_length; data_ptr += page_length; @@ -973,7 +941,8 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, if (obj_priv->phys_obj) ret = i915_gem_phys_pwrite(dev, obj, args, file_priv); else if (obj_priv->tiling_mode == I915_TILING_NONE && - dev->gtt_total != 0) { + dev->gtt_total != 0 && + obj->write_domain != I915_GEM_DOMAIN_CPU) { ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file_priv); if (ret == -EFAULT) { ret = i915_gem_gtt_pwrite_slow(dev, obj, args, @@ -1484,11 +1453,14 @@ i915_gem_object_put_pages(struct drm_gem_object *obj) } static void -i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno) +i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno, + struct intel_ring_buffer *ring) { struct drm_device *dev = obj->dev; drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); + BUG_ON(ring == NULL); + obj_priv->ring = ring; /* Add a reference if we're newly entering the active list. */ if (!obj_priv->active) { @@ -1497,8 +1469,7 @@ i915_gem_object_move_to_active(struct drm_gem_object *obj, uint32_t seqno) } /* Move from whatever list we were on to the tail of execution. */ spin_lock(&dev_priv->mm.active_list_lock); - list_move_tail(&obj_priv->list, - &dev_priv->mm.active_list); + list_move_tail(&obj_priv->list, &ring->active_list); spin_unlock(&dev_priv->mm.active_list_lock); obj_priv->last_rendering_seqno = seqno; } @@ -1551,6 +1522,7 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj) BUG_ON(!list_empty(&obj_priv->gpu_write_list)); obj_priv->last_rendering_seqno = 0; + obj_priv->ring = NULL; if (obj_priv->active) { obj_priv->active = 0; drm_gem_object_unreference(obj); @@ -1560,7 +1532,8 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj) static void i915_gem_process_flushing_list(struct drm_device *dev, - uint32_t flush_domains, uint32_t seqno) + uint32_t flush_domains, uint32_t seqno, + struct intel_ring_buffer *ring) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_gem_object *obj_priv, *next; @@ -1571,12 +1544,13 @@ i915_gem_process_flushing_list(struct drm_device *dev, struct drm_gem_object *obj = &obj_priv->base; if ((obj->write_domain & flush_domains) == - obj->write_domain) { + obj->write_domain && + obj_priv->ring->ring_flag == ring->ring_flag) { uint32_t old_write_domain = obj->write_domain; obj->write_domain = 0; list_del_init(&obj_priv->gpu_write_list); - i915_gem_object_move_to_active(obj, seqno); + i915_gem_object_move_to_active(obj, seqno, ring); /* update the fence lru list */ if (obj_priv->fence_reg != I915_FENCE_REG_NONE) { @@ -1593,31 +1567,15 @@ i915_gem_process_flushing_list(struct drm_device *dev, } } -#define PIPE_CONTROL_FLUSH(addr) \ - OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | \ - PIPE_CONTROL_DEPTH_STALL); \ - OUT_RING(addr | PIPE_CONTROL_GLOBAL_GTT); \ - OUT_RING(0); \ - OUT_RING(0); \ - -/** - * Creates a new sequence number, emitting a write of it to the status page - * plus an interrupt, which will trigger i915_user_interrupt_handler. - * - * Must be called with struct_lock held. - * - * Returned sequence numbers are nonzero on success. - */ uint32_t i915_add_request(struct drm_device *dev, struct drm_file *file_priv, - uint32_t flush_domains) + uint32_t flush_domains, struct intel_ring_buffer *ring) { drm_i915_private_t *dev_priv = dev->dev_private; struct drm_i915_file_private *i915_file_priv = NULL; struct drm_i915_gem_request *request; uint32_t seqno; int was_empty; - RING_LOCALS; if (file_priv != NULL) i915_file_priv = file_priv->driver_priv; @@ -1626,62 +1584,14 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv, if (request == NULL) return 0; - /* Grab the seqno we're going to make this request be, and bump the - * next (skipping 0 so it can be the reserved no-seqno value). - */ - seqno = dev_priv->mm.next_gem_seqno; - dev_priv->mm.next_gem_seqno++; - if (dev_priv->mm.next_gem_seqno == 0) - dev_priv->mm.next_gem_seqno++; - - if (HAS_PIPE_CONTROL(dev)) { - u32 scratch_addr = dev_priv->seqno_gfx_addr + 128; - - /* - * Workaround qword write incoherence by flushing the - * PIPE_NOTIFY buffers out to memory before requesting - * an interrupt. - */ - BEGIN_LP_RING(32); - OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | - PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH); - OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT); - OUT_RING(seqno); - OUT_RING(0); - PIPE_CONTROL_FLUSH(scratch_addr); - scratch_addr += 128; /* write to separate cachelines */ - PIPE_CONTROL_FLUSH(scratch_addr); - scratch_addr += 128; - PIPE_CONTROL_FLUSH(scratch_addr); - scratch_addr += 128; - PIPE_CONTROL_FLUSH(scratch_addr); - scratch_addr += 128; - PIPE_CONTROL_FLUSH(scratch_addr); - scratch_addr += 128; - PIPE_CONTROL_FLUSH(scratch_addr); - OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE | - PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH | - PIPE_CONTROL_NOTIFY); - OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT); - OUT_RING(seqno); - OUT_RING(0); - ADVANCE_LP_RING(); - } else { - BEGIN_LP_RING(4); - OUT_RING(MI_STORE_DWORD_INDEX); - OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT); - OUT_RING(seqno); - - OUT_RING(MI_USER_INTERRUPT); - ADVANCE_LP_RING(); - } - - DRM_DEBUG_DRIVER("%d\n", seqno); + seqno = ring->add_request(dev, ring, file_priv, flush_domains); request->seqno = seqno; + request->ring = ring; request->emitted_jiffies = jiffies; - was_empty = list_empty(&dev_priv->mm.request_list); - list_add_tail(&request->list, &dev_priv->mm.request_list); + was_empty = list_empty(&ring->request_list); + list_add_tail(&request->list, &ring->request_list); + if (i915_file_priv) { list_add_tail(&request->client_list, &i915_file_priv->mm.request_list); @@ -1693,7 +1603,7 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv, * domain we're flushing with our flush. */ if (flush_domains != 0) - i915_gem_process_flushing_list(dev, flush_domains, seqno); + i915_gem_process_flushing_list(dev, flush_domains, seqno, ring); if (!dev_priv->mm.suspended) { mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD); @@ -1710,20 +1620,16 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv, * before signalling the CPU */ static uint32_t -i915_retire_commands(struct drm_device *dev) +i915_retire_commands(struct drm_device *dev, struct intel_ring_buffer *ring) { - drm_i915_private_t *dev_priv = dev->dev_private; - uint32_t cmd = MI_FLUSH | MI_NO_WRITE_FLUSH; uint32_t flush_domains = 0; - RING_LOCALS; /* The sampler always gets flushed on i965 (sigh) */ if (IS_I965G(dev)) flush_domains |= I915_GEM_DOMAIN_SAMPLER; - BEGIN_LP_RING(2); - OUT_RING(cmd); - OUT_RING(0); /* noop */ - ADVANCE_LP_RING(); + + ring->flush(dev, ring, + I915_GEM_DOMAIN_COMMAND, flush_domains); return flush_domains; } @@ -1743,11 +1649,11 @@ i915_gem_retire_request(struct drm_device *dev, * by the ringbuffer to the flushing/inactive lists as appropriate. */ spin_lock(&dev_priv->mm.active_list_lock); - while (!list_empty(&dev_priv->mm.active_list)) { + while (!list_empty(&request->ring->active_list)) { struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; - obj_priv = list_first_entry(&dev_priv->mm.active_list, + obj_priv = list_first_entry(&request->ring->active_list, struct drm_i915_gem_object, list); obj = &obj_priv->base; @@ -1794,35 +1700,33 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2) } uint32_t -i915_get_gem_seqno(struct drm_device *dev) +i915_get_gem_seqno(struct drm_device *dev, + struct intel_ring_buffer *ring) { - drm_i915_private_t *dev_priv = dev->dev_private; - - if (HAS_PIPE_CONTROL(dev)) - return ((volatile u32 *)(dev_priv->seqno_page))[0]; - else - return READ_HWSP(dev_priv, I915_GEM_HWS_INDEX); + return ring->get_gem_seqno(dev, ring); } /** * This function clears the request list as sequence numbers are passed. */ void -i915_gem_retire_requests(struct drm_device *dev) +i915_gem_retire_requests(struct drm_device *dev, + struct intel_ring_buffer *ring) { drm_i915_private_t *dev_priv = dev->dev_private; uint32_t seqno; - if (!dev_priv->hw_status_page || list_empty(&dev_priv->mm.request_list)) + if (!ring->status_page.page_addr + || list_empty(&ring->request_list)) return; - seqno = i915_get_gem_seqno(dev); + seqno = i915_get_gem_seqno(dev, ring); - while (!list_empty(&dev_priv->mm.request_list)) { + while (!list_empty(&ring->request_list)) { struct drm_i915_gem_request *request; uint32_t retiring_seqno; - request = list_first_entry(&dev_priv->mm.request_list, + request = list_first_entry(&ring->request_list, struct drm_i915_gem_request, list); retiring_seqno = request->seqno; @@ -1840,7 +1744,8 @@ i915_gem_retire_requests(struct drm_device *dev) if (unlikely (dev_priv->trace_irq_seqno && i915_seqno_passed(dev_priv->trace_irq_seqno, seqno))) { - i915_user_irq_put(dev); + + ring->user_irq_put(dev, ring); dev_priv->trace_irq_seqno = 0; } } @@ -1856,15 +1761,22 @@ i915_gem_retire_work_handler(struct work_struct *work) dev = dev_priv->dev; mutex_lock(&dev->struct_mutex); - i915_gem_retire_requests(dev); + i915_gem_retire_requests(dev, &dev_priv->render_ring); + + if (HAS_BSD(dev)) + i915_gem_retire_requests(dev, &dev_priv->bsd_ring); + if (!dev_priv->mm.suspended && - !list_empty(&dev_priv->mm.request_list)) + (!list_empty(&dev_priv->render_ring.request_list) || + (HAS_BSD(dev) && + !list_empty(&dev_priv->bsd_ring.request_list)))) queue_delayed_work(dev_priv->wq, &dev_priv->mm.retire_work, HZ); mutex_unlock(&dev->struct_mutex); } int -i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) +i915_do_wait_request(struct drm_device *dev, uint32_t seqno, + int interruptible, struct intel_ring_buffer *ring) { drm_i915_private_t *dev_priv = dev->dev_private; u32 ier; @@ -1875,7 +1787,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) if (atomic_read(&dev_priv->mm.wedged)) return -EIO; - if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) { + if (!i915_seqno_passed(ring->get_gem_seqno(dev, ring), seqno)) { if (HAS_PCH_SPLIT(dev)) ier = I915_READ(DEIER) | I915_READ(GTIER); else @@ -1889,19 +1801,21 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) trace_i915_gem_request_wait_begin(dev, seqno); - dev_priv->mm.waiting_gem_seqno = seqno; - i915_user_irq_get(dev); + ring->waiting_gem_seqno = seqno; + ring->user_irq_get(dev, ring); 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)); + ret = wait_event_interruptible(ring->irq_queue, + i915_seqno_passed( + ring->get_gem_seqno(dev, ring), 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)); + wait_event(ring->irq_queue, + i915_seqno_passed( + ring->get_gem_seqno(dev, ring), seqno) + || atomic_read(&dev_priv->mm.wedged)); - i915_user_irq_put(dev); - dev_priv->mm.waiting_gem_seqno = 0; + ring->user_irq_put(dev, ring); + ring->waiting_gem_seqno = 0; trace_i915_gem_request_wait_end(dev, seqno); } @@ -1910,7 +1824,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) if (ret && ret != -ERESTARTSYS) DRM_ERROR("%s returns %d (awaiting %d at %d)\n", - __func__, ret, seqno, i915_get_gem_seqno(dev)); + __func__, ret, seqno, ring->get_gem_seqno(dev, ring)); /* Directly dispatch request retiring. While we have the work queue * to handle this, the waiter on a request often wants an associated @@ -1918,7 +1832,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) * a separate wait queue to handle that. */ if (ret == 0) - i915_gem_retire_requests(dev); + i915_gem_retire_requests(dev, ring); return ret; } @@ -1928,9 +1842,10 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible) * request and object lists appropriately for that event. */ static int -i915_wait_request(struct drm_device *dev, uint32_t seqno) +i915_wait_request(struct drm_device *dev, uint32_t seqno, + struct intel_ring_buffer *ring) { - return i915_do_wait_request(dev, seqno, 1); + return i915_do_wait_request(dev, seqno, 1, ring); } static void @@ -1939,71 +1854,29 @@ i915_gem_flush(struct drm_device *dev, uint32_t flush_domains) { drm_i915_private_t *dev_priv = dev->dev_private; - uint32_t cmd; - RING_LOCALS; - -#if WATCH_EXEC - DRM_INFO("%s: invalidate %08x flush %08x\n", __func__, - invalidate_domains, flush_domains); -#endif - trace_i915_gem_request_flush(dev, dev_priv->mm.next_gem_seqno, - invalidate_domains, flush_domains); - if (flush_domains & I915_GEM_DOMAIN_CPU) drm_agp_chipset_flush(dev); + dev_priv->render_ring.flush(dev, &dev_priv->render_ring, + invalidate_domains, + flush_domains); + + if (HAS_BSD(dev)) + dev_priv->bsd_ring.flush(dev, &dev_priv->bsd_ring, + invalidate_domains, + flush_domains); +} - if ((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) { - /* - * read/write caches: - * - * 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: - * - * I915_GEM_DOMAIN_SAMPLER is flushed on pre-965 if - * MI_READ_FLUSH is set, and is always flushed on 965. - * - * I915_GEM_DOMAIN_COMMAND may not exist? - * - * I915_GEM_DOMAIN_INSTRUCTION, which exists on 965, is - * invalidated when MI_EXE_FLUSH is set. - * - * I915_GEM_DOMAIN_VERTEX, which exists on 965, is - * invalidated with every MI_FLUSH. - * - * TLBs: - * - * 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 = MI_FLUSH | MI_NO_WRITE_FLUSH; - if ((invalidate_domains|flush_domains) & - 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 & I915_GEM_DOMAIN_SAMPLER) - cmd |= MI_READ_FLUSH; - } - if (invalidate_domains & I915_GEM_DOMAIN_INSTRUCTION) - cmd |= MI_EXE_FLUSH; - -#if WATCH_EXEC - DRM_INFO("%s: queue flush %08x to ring\n", __func__, cmd); -#endif - BEGIN_LP_RING(2); - OUT_RING(cmd); - OUT_RING(MI_NOOP); - ADVANCE_LP_RING(); - } +static void +i915_gem_flush_ring(struct drm_device *dev, + uint32_t invalidate_domains, + uint32_t flush_domains, + struct intel_ring_buffer *ring) +{ + if (flush_domains & I915_GEM_DOMAIN_CPU) + drm_agp_chipset_flush(dev); + ring->flush(dev, ring, + invalidate_domains, + flush_domains); } /** @@ -2030,7 +1903,8 @@ i915_gem_object_wait_rendering(struct drm_gem_object *obj) DRM_INFO("%s: object %p wait for seqno %08x\n", __func__, obj, obj_priv->last_rendering_seqno); #endif - ret = i915_wait_request(dev, obj_priv->last_rendering_seqno); + ret = i915_wait_request(dev, + obj_priv->last_rendering_seqno, obj_priv->ring); if (ret != 0) return ret; } @@ -2146,11 +2020,14 @@ i915_gpu_idle(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; bool lists_empty; - uint32_t seqno; + uint32_t seqno1, seqno2; + int ret; spin_lock(&dev_priv->mm.active_list_lock); - lists_empty = list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->mm.active_list); + lists_empty = (list_empty(&dev_priv->mm.flushing_list) && + list_empty(&dev_priv->render_ring.active_list) && + (!HAS_BSD(dev) || + list_empty(&dev_priv->bsd_ring.active_list))); spin_unlock(&dev_priv->mm.active_list_lock); if (lists_empty) @@ -2158,11 +2035,25 @@ i915_gpu_idle(struct drm_device *dev) /* Flush everything onto the inactive list. */ i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS); - seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS); - if (seqno == 0) + seqno1 = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS, + &dev_priv->render_ring); + if (seqno1 == 0) return -ENOMEM; + ret = i915_wait_request(dev, seqno1, &dev_priv->render_ring); + + if (HAS_BSD(dev)) { + seqno2 = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS, + &dev_priv->bsd_ring); + if (seqno2 == 0) + return -ENOMEM; + + ret = i915_wait_request(dev, seqno2, &dev_priv->bsd_ring); + if (ret) + return ret; + } + - return i915_wait_request(dev, seqno); + return ret; } static int @@ -2175,7 +2066,9 @@ i915_gem_evict_everything(struct drm_device *dev) spin_lock(&dev_priv->mm.active_list_lock); lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->mm.active_list)); + list_empty(&dev_priv->render_ring.active_list) && + (!HAS_BSD(dev) + || list_empty(&dev_priv->bsd_ring.active_list))); spin_unlock(&dev_priv->mm.active_list_lock); if (lists_empty) @@ -2195,7 +2088,9 @@ i915_gem_evict_everything(struct drm_device *dev) spin_lock(&dev_priv->mm.active_list_lock); lists_empty = (list_empty(&dev_priv->mm.inactive_list) && list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->mm.active_list)); + list_empty(&dev_priv->render_ring.active_list) && + (!HAS_BSD(dev) + || list_empty(&dev_priv->bsd_ring.active_list))); spin_unlock(&dev_priv->mm.active_list_lock); BUG_ON(!lists_empty); @@ -2209,8 +2104,13 @@ i915_gem_evict_something(struct drm_device *dev, int min_size) struct drm_gem_object *obj; int ret; + struct intel_ring_buffer *render_ring = &dev_priv->render_ring; + struct intel_ring_buffer *bsd_ring = &dev_priv->bsd_ring; for (;;) { - i915_gem_retire_requests(dev); + i915_gem_retire_requests(dev, render_ring); + + if (HAS_BSD(dev)) + i915_gem_retire_requests(dev, bsd_ring); /* If there's an inactive buffer available now, grab it * and be done. @@ -2234,14 +2134,30 @@ i915_gem_evict_something(struct drm_device *dev, int min_size) * things, wait for the next to finish and hopefully leave us * a buffer to evict. */ - if (!list_empty(&dev_priv->mm.request_list)) { + if (!list_empty(&render_ring->request_list)) { + struct drm_i915_gem_request *request; + + request = list_first_entry(&render_ring->request_list, + struct drm_i915_gem_request, + list); + + ret = i915_wait_request(dev, + request->seqno, request->ring); + if (ret) + return ret; + + continue; + } + + if (HAS_BSD(dev) && !list_empty(&bsd_ring->request_list)) { struct drm_i915_gem_request *request; - request = list_first_entry(&dev_priv->mm.request_list, + request = list_first_entry(&bsd_ring->request_list, struct drm_i915_gem_request, list); - ret = i915_wait_request(dev, request->seqno); + ret = i915_wait_request(dev, + request->seqno, request->ring); if (ret) return ret; @@ -2268,10 +2184,13 @@ i915_gem_evict_something(struct drm_device *dev, int min_size) if (obj != NULL) { uint32_t seqno; - i915_gem_flush(dev, + i915_gem_flush_ring(dev, + obj->write_domain, obj->write_domain, - obj->write_domain); - seqno = i915_add_request(dev, NULL, obj->write_domain); + obj_priv->ring); + seqno = i915_add_request(dev, NULL, + obj->write_domain, + obj_priv->ring); if (seqno == 0) return -ENOMEM; continue; @@ -2299,6 +2218,9 @@ i915_gem_object_get_pages(struct drm_gem_object *obj, struct inode *inode; struct page *page; + BUG_ON(obj_priv->pages_refcount + == DRM_I915_GEM_OBJECT_MAX_PAGES_REFCOUNT); + if (obj_priv->pages_refcount++ != 0) return 0; @@ -2697,6 +2619,14 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment) return -EINVAL; } + /* If the object is bigger than the entire aperture, reject it early + * before evicting everything in a vain attempt to find space. + */ + if (obj->size > dev->gtt_total) { + DRM_ERROR("Attempting to bind an object larger than the aperture\n"); + return -E2BIG; + } + search_free: free_space = drm_mm_search_free(&dev_priv->mm.gtt_space, obj->size, alignment, 0); @@ -2807,6 +2737,7 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj) { struct drm_device *dev = obj->dev; uint32_t old_write_domain; + struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); if ((obj->write_domain & I915_GEM_GPU_DOMAINS) == 0) return; @@ -2814,7 +2745,7 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj) /* Queue the GPU write cache flushing we need. */ old_write_domain = obj->write_domain; i915_gem_flush(dev, 0, obj->write_domain); - (void) i915_add_request(dev, NULL, obj->write_domain); + (void) i915_add_request(dev, NULL, obj->write_domain, obj_priv->ring); BUG_ON(obj->write_domain); trace_i915_gem_object_change_domain(obj, @@ -2954,23 +2885,24 @@ i915_gem_object_set_to_display_plane(struct drm_gem_object *obj) DRM_INFO("%s: object %p wait for seqno %08x\n", __func__, obj, obj_priv->last_rendering_seqno); #endif - ret = i915_do_wait_request(dev, obj_priv->last_rendering_seqno, 0); + ret = i915_do_wait_request(dev, + obj_priv->last_rendering_seqno, + 0, + obj_priv->ring); if (ret != 0) return ret; } + i915_gem_object_flush_cpu_write_domain(obj); + old_write_domain = obj->write_domain; old_read_domains = obj->read_domains; - obj->read_domains &= I915_GEM_DOMAIN_GTT; - - i915_gem_object_flush_cpu_write_domain(obj); - /* It should now be out of any other write domains, and we can update * the domain values for our changes. */ BUG_ON((obj->write_domain & ~I915_GEM_DOMAIN_GTT) != 0); - obj->read_domains |= I915_GEM_DOMAIN_GTT; + obj->read_domains = I915_GEM_DOMAIN_GTT; obj->write_domain = I915_GEM_DOMAIN_GTT; obj_priv->dirty = 1; @@ -3354,9 +3286,13 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj, obj_priv->tiling_mode != I915_TILING_NONE; /* Check fence reg constraints and rebind if necessary */ - if (need_fence && !i915_gem_object_fence_offset_ok(obj, - obj_priv->tiling_mode)) - i915_gem_object_unbind(obj); + if (need_fence && + !i915_gem_object_fence_offset_ok(obj, + obj_priv->tiling_mode)) { + ret = i915_gem_object_unbind(obj); + if (ret) + return ret; + } /* Choose the GTT offset for our buffer and put it there. */ ret = i915_gem_object_pin(obj, (uint32_t) entry->alignment); @@ -3370,9 +3306,6 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj, if (need_fence) { ret = i915_gem_object_get_fence_reg(obj); if (ret != 0) { - if (ret != -EBUSY && ret != -ERESTARTSYS) - DRM_ERROR("Failure to install fence: %d\n", - ret); i915_gem_object_unpin(obj); return ret; } @@ -3545,62 +3478,6 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj, return 0; } -/** Dispatch a batchbuffer to the ring - */ -static int -i915_dispatch_gem_execbuffer(struct drm_device *dev, - struct drm_i915_gem_execbuffer2 *exec, - struct drm_clip_rect *cliprects, - uint64_t exec_offset) -{ - drm_i915_private_t *dev_priv = dev->dev_private; - int nbox = exec->num_cliprects; - int i = 0, count; - uint32_t exec_start, exec_len; - RING_LOCALS; - - exec_start = (uint32_t) exec_offset + exec->batch_start_offset; - exec_len = (uint32_t) exec->batch_len; - - trace_i915_gem_request_submit(dev, dev_priv->mm.next_gem_seqno + 1); - - count = nbox ? nbox : 1; - - for (i = 0; i < count; i++) { - if (i < nbox) { - int ret = i915_emit_box(dev, cliprects, i, - exec->DR1, exec->DR4); - if (ret) - return ret; - } - - if (IS_I830(dev) || IS_845G(dev)) { - BEGIN_LP_RING(4); - OUT_RING(MI_BATCH_BUFFER); - OUT_RING(exec_start | MI_BATCH_NON_SECURE); - OUT_RING(exec_start + exec_len - 4); - OUT_RING(0); - ADVANCE_LP_RING(); - } else { - BEGIN_LP_RING(2); - if (IS_I965G(dev)) { - OUT_RING(MI_BATCH_BUFFER_START | - (2 << 6) | - MI_BATCH_NON_SECURE_I965); - OUT_RING(exec_start); - } else { - OUT_RING(MI_BATCH_BUFFER_START | - (2 << 6)); - OUT_RING(exec_start | MI_BATCH_NON_SECURE); - } - ADVANCE_LP_RING(); - } - } - - /* XXX breadcrumb */ - return 0; -} - /* Throttle our rendering by waiting until the ring has completed our requests * emitted over 20 msec ago. * @@ -3629,7 +3506,7 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv) if (time_after_eq(request->emitted_jiffies, recent_enough)) break; - ret = i915_wait_request(dev, request->seqno); + ret = i915_wait_request(dev, request->seqno, request->ring); if (ret != 0) break; } @@ -3786,10 +3663,22 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, uint32_t seqno, flush_domains, reloc_index; int pin_tries, flips; + struct intel_ring_buffer *ring = NULL; + #if WATCH_EXEC DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n", (int) args->buffers_ptr, args->buffer_count, args->batch_len); #endif + if (args->flags & I915_EXEC_BSD) { + if (!HAS_BSD(dev)) { + DRM_ERROR("execbuf with wrong flag\n"); + return -EINVAL; + } + ring = &dev_priv->bsd_ring; + } else { + ring = &dev_priv->render_ring; + } + if (args->buffer_count < 1) { DRM_ERROR("execbuf with %d buffers\n", args->buffer_count); @@ -3902,11 +3791,19 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, if (ret != -ENOSPC || pin_tries >= 1) { if (ret != -ERESTARTSYS) { unsigned long long total_size = 0; - for (i = 0; i < args->buffer_count; i++) + int num_fences = 0; + for (i = 0; i < args->buffer_count; i++) { + obj_priv = object_list[i]->driver_private; + total_size += object_list[i]->size; - DRM_ERROR("Failed to pin buffer %d of %d, total %llu bytes: %d\n", + num_fences += + exec_list[i].flags & EXEC_OBJECT_NEEDS_FENCE && + obj_priv->tiling_mode != I915_TILING_NONE; + } + DRM_ERROR("Failed to pin buffer %d of %d, total %llu bytes, %d fences: %d\n", pinned+1, args->buffer_count, - total_size, ret); + total_size, num_fences, + ret); DRM_ERROR("%d objects [%d pinned], " "%d object bytes [%d pinned], " "%d/%d gtt bytes\n", @@ -3976,9 +3873,16 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, i915_gem_flush(dev, dev->invalidate_domains, dev->flush_domains); - if (dev->flush_domains & I915_GEM_GPU_DOMAINS) + if (dev->flush_domains & I915_GEM_GPU_DOMAINS) { (void)i915_add_request(dev, file_priv, - dev->flush_domains); + dev->flush_domains, + &dev_priv->render_ring); + + if (HAS_BSD(dev)) + (void)i915_add_request(dev, file_priv, + dev->flush_domains, + &dev_priv->bsd_ring); + } } for (i = 0; i < args->buffer_count; i++) { @@ -4015,7 +3919,8 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, #endif /* Exec the batchbuffer */ - ret = i915_dispatch_gem_execbuffer(dev, args, cliprects, exec_offset); + ret = ring->dispatch_gem_execbuffer(dev, ring, args, + cliprects, exec_offset); if (ret) { DRM_ERROR("dispatch failed %d\n", ret); goto err; @@ -4025,7 +3930,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, * Ensure that the commands in the batch buffer are * finished before the interrupt fires */ - flush_domains = i915_retire_commands(dev); + flush_domains = i915_retire_commands(dev, ring); i915_verify_inactive(dev, __FILE__, __LINE__); @@ -4036,12 +3941,13 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data, * *some* interrupts representing completion of buffers that we can * wait on when trying to clear up gtt space). */ - seqno = i915_add_request(dev, file_priv, flush_domains); + seqno = i915_add_request(dev, file_priv, flush_domains, ring); BUG_ON(seqno == 0); for (i = 0; i < args->buffer_count; i++) { struct drm_gem_object *obj = object_list[i]; + obj_priv = to_intel_bo(obj); - i915_gem_object_move_to_active(obj, seqno); + i915_gem_object_move_to_active(obj, seqno, ring); #if WATCH_LRU DRM_INFO("%s: move to exec list %p\n", __func__, obj); #endif @@ -4153,7 +4059,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data, exec2.DR4 = args->DR4; exec2.num_cliprects = args->num_cliprects; exec2.cliprects_ptr = args->cliprects_ptr; - exec2.flags = 0; + exec2.flags = I915_EXEC_RENDER; ret = i915_gem_do_execbuffer(dev, data, file_priv, &exec2, exec2_list); if (!ret) { @@ -4239,7 +4145,20 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment) struct drm_i915_gem_object *obj_priv = to_intel_bo(obj); int ret; + BUG_ON(obj_priv->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT); + i915_verify_inactive(dev, __FILE__, __LINE__); + + if (obj_priv->gtt_space != NULL) { + if (alignment == 0) + alignment = i915_gem_get_gtt_alignment(obj); + if (obj_priv->gtt_offset & (alignment - 1)) { + ret = i915_gem_object_unbind(obj); + if (ret) + return ret; + } + } + if (obj_priv->gtt_space == NULL) { ret = i915_gem_object_bind_to_gtt(obj, alignment); if (ret) @@ -4392,6 +4311,7 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, struct drm_i915_gem_busy *args = data; struct drm_gem_object *obj; struct drm_i915_gem_object *obj_priv; + drm_i915_private_t *dev_priv = dev->dev_private; obj = drm_gem_object_lookup(dev, file_priv, args->handle); if (obj == NULL) { @@ -4406,7 +4326,10 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data, * actually unmasked, and our working set ends up being larger than * required. */ - i915_gem_retire_requests(dev); + i915_gem_retire_requests(dev, &dev_priv->render_ring); + + if (HAS_BSD(dev)) + i915_gem_retire_requests(dev, &dev_priv->bsd_ring); obj_priv = to_intel_bo(obj); /* Don't count being on the flushing list against the object being @@ -4573,7 +4496,10 @@ i915_gem_idle(struct drm_device *dev) mutex_lock(&dev->struct_mutex); - if (dev_priv->mm.suspended || dev_priv->ring.ring_obj == NULL) { + if (dev_priv->mm.suspended || + (dev_priv->render_ring.gem_object == NULL) || + (HAS_BSD(dev) && + dev_priv->bsd_ring.gem_object == NULL)) { mutex_unlock(&dev->struct_mutex); return 0; } @@ -4654,71 +4580,6 @@ err: return ret; } -static int -i915_gem_init_hws(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; - int ret; - - /* If we need a physical address for the status page, it's already - * initialized at driver load time. - */ - if (!I915_NEED_GFX_HWS(dev)) - return 0; - - obj = i915_gem_alloc_object(dev, 4096); - if (obj == NULL) { - DRM_ERROR("Failed to allocate status page\n"); - ret = -ENOMEM; - goto err; - } - obj_priv = to_intel_bo(obj); - obj_priv->agp_type = AGP_USER_CACHED_MEMORY; - - ret = i915_gem_object_pin(obj, 4096); - if (ret != 0) { - drm_gem_object_unreference(obj); - goto err_unref; - } - - dev_priv->status_gfx_addr = obj_priv->gtt_offset; - - dev_priv->hw_status_page = kmap(obj_priv->pages[0]); - if (dev_priv->hw_status_page == NULL) { - DRM_ERROR("Failed to map status page.\n"); - memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map)); - ret = -EINVAL; - goto err_unpin; - } - - if (HAS_PIPE_CONTROL(dev)) { - ret = i915_gem_init_pipe_control(dev); - if (ret) - goto err_unpin; - } - - dev_priv->hws_obj = obj; - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - if (IS_GEN6(dev)) { - I915_WRITE(HWS_PGA_GEN6, dev_priv->status_gfx_addr); - I915_READ(HWS_PGA_GEN6); /* posting read */ - } else { - I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); - I915_READ(HWS_PGA); /* posting read */ - } - DRM_DEBUG_DRIVER("hws offset: 0x%08x\n", dev_priv->status_gfx_addr); - - return 0; - -err_unpin: - i915_gem_object_unpin(obj); -err_unref: - drm_gem_object_unreference(obj); -err: - return 0; -} static void i915_gem_cleanup_pipe_control(struct drm_device *dev) @@ -4737,146 +4598,46 @@ i915_gem_cleanup_pipe_control(struct drm_device *dev) dev_priv->seqno_page = NULL; } -static void -i915_gem_cleanup_hws(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; - - if (dev_priv->hws_obj == NULL) - return; - - obj = dev_priv->hws_obj; - obj_priv = to_intel_bo(obj); - - kunmap(obj_priv->pages[0]); - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - dev_priv->hws_obj = NULL; - - memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map)); - dev_priv->hw_status_page = NULL; - - if (HAS_PIPE_CONTROL(dev)) - i915_gem_cleanup_pipe_control(dev); - - /* Write high address into HWS_PGA when disabling. */ - I915_WRITE(HWS_PGA, 0x1ffff000); -} - 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; - - ret = i915_gem_init_hws(dev); - if (ret != 0) - return ret; - obj = i915_gem_alloc_object(dev, 128 * 1024); - if (obj == NULL) { - DRM_ERROR("Failed to allocate ringbuffer\n"); - i915_gem_cleanup_hws(dev); - return -ENOMEM; - } - obj_priv = to_intel_bo(obj); + dev_priv->render_ring = render_ring; - ret = i915_gem_object_pin(obj, 4096); - if (ret != 0) { - drm_gem_object_unreference(obj); - i915_gem_cleanup_hws(dev); - return ret; + if (!I915_NEED_GFX_HWS(dev)) { + dev_priv->render_ring.status_page.page_addr + = dev_priv->status_page_dmah->vaddr; + memset(dev_priv->render_ring.status_page.page_addr, + 0, PAGE_SIZE); } - /* Set up the kernel mapping for the ring. */ - ring->Size = obj->size; - - 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(&ring->map, dev); - if (ring->map.handle == NULL) { - DRM_ERROR("Failed to map ringbuffer.\n"); - memset(&dev_priv->ring, 0, sizeof(dev_priv->ring)); - i915_gem_object_unpin(obj); - drm_gem_object_unreference(obj); - i915_gem_cleanup_hws(dev); - return -EINVAL; - } - ring->ring_obj = obj; - ring->virtual_start = ring->map.handle; - - /* Stop the ring if it's running. */ - I915_WRITE(PRB0_CTL, 0); - I915_WRITE(PRB0_TAIL, 0); - I915_WRITE(PRB0_HEAD, 0); - - /* Initialize the ring. */ - I915_WRITE(PRB0_START, obj_priv->gtt_offset); - head = I915_READ(PRB0_HEAD) & HEAD_ADDR; - - /* G45 ring initialization fails to reset head to zero */ - if (head != 0) { - DRM_ERROR("Ring head not reset to zero " - "ctl %08x head %08x tail %08x start %08x\n", - I915_READ(PRB0_CTL), - I915_READ(PRB0_HEAD), - I915_READ(PRB0_TAIL), - I915_READ(PRB0_START)); - I915_WRITE(PRB0_HEAD, 0); - - DRM_ERROR("Ring head forced to zero " - "ctl %08x head %08x tail %08x start %08x\n", - I915_READ(PRB0_CTL), - I915_READ(PRB0_HEAD), - I915_READ(PRB0_TAIL), - I915_READ(PRB0_START)); - } - - I915_WRITE(PRB0_CTL, - ((obj->size - 4096) & RING_NR_PAGES) | - RING_NO_REPORT | - RING_VALID); - - head = I915_READ(PRB0_HEAD) & HEAD_ADDR; - - /* If the head is still not zero, the ring is dead */ - if (head != 0) { - DRM_ERROR("Ring initialization failed " - "ctl %08x head %08x tail %08x start %08x\n", - I915_READ(PRB0_CTL), - I915_READ(PRB0_HEAD), - I915_READ(PRB0_TAIL), - I915_READ(PRB0_START)); - return -EIO; + if (HAS_PIPE_CONTROL(dev)) { + ret = i915_gem_init_pipe_control(dev); + if (ret) + return ret; } - /* Update our cache of the ring state */ - 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; - } + ret = intel_init_ring_buffer(dev, &dev_priv->render_ring); + if (ret) + goto cleanup_pipe_control; - if (IS_I9XX(dev) && !IS_GEN3(dev)) { - I915_WRITE(MI_MODE, - (VS_TIMER_DISPATCH) << 16 | VS_TIMER_DISPATCH); + if (HAS_BSD(dev)) { + dev_priv->bsd_ring = bsd_ring; + ret = intel_init_ring_buffer(dev, &dev_priv->bsd_ring); + if (ret) + goto cleanup_render_ring; } return 0; + +cleanup_render_ring: + intel_cleanup_ring_buffer(dev, &dev_priv->render_ring); +cleanup_pipe_control: + if (HAS_PIPE_CONTROL(dev)) + i915_gem_cleanup_pipe_control(dev); + return ret; } void @@ -4884,17 +4645,11 @@ i915_gem_cleanup_ringbuffer(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; - if (dev_priv->ring.ring_obj == NULL) - return; - - drm_core_ioremapfree(&dev_priv->ring.map, dev); - - i915_gem_object_unpin(dev_priv->ring.ring_obj); - drm_gem_object_unreference(dev_priv->ring.ring_obj); - dev_priv->ring.ring_obj = NULL; - memset(&dev_priv->ring, 0, sizeof(dev_priv->ring)); - - i915_gem_cleanup_hws(dev); + intel_cleanup_ring_buffer(dev, &dev_priv->render_ring); + if (HAS_BSD(dev)) + intel_cleanup_ring_buffer(dev, &dev_priv->bsd_ring); + if (HAS_PIPE_CONTROL(dev)) + i915_gem_cleanup_pipe_control(dev); } int @@ -4922,12 +4677,14 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data, } spin_lock(&dev_priv->mm.active_list_lock); - BUG_ON(!list_empty(&dev_priv->mm.active_list)); + BUG_ON(!list_empty(&dev_priv->render_ring.active_list)); + BUG_ON(HAS_BSD(dev) && !list_empty(&dev_priv->bsd_ring.active_list)); spin_unlock(&dev_priv->mm.active_list_lock); BUG_ON(!list_empty(&dev_priv->mm.flushing_list)); BUG_ON(!list_empty(&dev_priv->mm.inactive_list)); - BUG_ON(!list_empty(&dev_priv->mm.request_list)); + BUG_ON(!list_empty(&dev_priv->render_ring.request_list)); + BUG_ON(HAS_BSD(dev) && !list_empty(&dev_priv->bsd_ring.request_list)); mutex_unlock(&dev->struct_mutex); drm_irq_install(dev); @@ -4966,18 +4723,20 @@ i915_gem_load(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; spin_lock_init(&dev_priv->mm.active_list_lock); - INIT_LIST_HEAD(&dev_priv->mm.active_list); INIT_LIST_HEAD(&dev_priv->mm.flushing_list); INIT_LIST_HEAD(&dev_priv->mm.gpu_write_list); INIT_LIST_HEAD(&dev_priv->mm.inactive_list); - INIT_LIST_HEAD(&dev_priv->mm.request_list); INIT_LIST_HEAD(&dev_priv->mm.fence_list); + INIT_LIST_HEAD(&dev_priv->render_ring.active_list); + INIT_LIST_HEAD(&dev_priv->render_ring.request_list); + if (HAS_BSD(dev)) { + INIT_LIST_HEAD(&dev_priv->bsd_ring.active_list); + INIT_LIST_HEAD(&dev_priv->bsd_ring.request_list); + } for (i = 0; i < 16; i++) INIT_LIST_HEAD(&dev_priv->fence_regs[i].lru_list); INIT_DELAYED_WORK(&dev_priv->mm.retire_work, i915_gem_retire_work_handler); - dev_priv->mm.next_gem_seqno = 1; - spin_lock(&shrink_list_lock); list_add(&dev_priv->mm.shrink_list, &shrink_list); spin_unlock(&shrink_list_lock); @@ -5209,7 +4968,9 @@ i915_gpu_is_active(struct drm_device *dev) spin_lock(&dev_priv->mm.active_list_lock); lists_empty = list_empty(&dev_priv->mm.flushing_list) && - list_empty(&dev_priv->mm.active_list); + list_empty(&dev_priv->render_ring.active_list); + if (HAS_BSD(dev)) + lists_empty &= list_empty(&dev_priv->bsd_ring.active_list); spin_unlock(&dev_priv->mm.active_list_lock); return !lists_empty; @@ -5254,8 +5015,10 @@ rescan: continue; spin_unlock(&shrink_list_lock); + i915_gem_retire_requests(dev, &dev_priv->render_ring); - i915_gem_retire_requests(dev); + if (HAS_BSD(dev)) + i915_gem_retire_requests(dev, &dev_priv->bsd_ring); list_for_each_entry_safe(obj_priv, next_obj, &dev_priv->mm.inactive_list, |