drm/i915: add accounting for mappable objects in gtt v2
[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_debugfs.c
index 048149748fdc9457f48ee5884f74d5cb849e43c0..2e5961139326cbebf43a70eb8a8805a144104f44 100644 (file)
 
 #if defined(CONFIG_DEBUG_FS)
 
-#define ACTIVE_LIST    1
-#define FLUSHING_LIST  2
-#define INACTIVE_LIST  3
+enum {
+       ACTIVE_LIST,
+       FLUSHING_LIST,
+       INACTIVE_LIST,
+       PINNED_LIST,
+       DEFERRED_FREE_LIST,
+};
+
+enum {
+       RENDER_RING,
+       BSD_RING,
+       BLT_RING,
+};
+
+static const char *yesno(int v)
+{
+       return v ? "yes" : "no";
+}
+
+static int i915_capabilities(struct seq_file *m, void *data)
+{
+       struct drm_info_node *node = (struct drm_info_node *) m->private;
+       struct drm_device *dev = node->minor->dev;
+       const struct intel_device_info *info = INTEL_INFO(dev);
+
+       seq_printf(m, "gen: %d\n", info->gen);
+#define B(x) seq_printf(m, #x ": %s\n", yesno(info->x))
+       B(is_mobile);
+       B(is_i85x);
+       B(is_i915g);
+       B(is_i945gm);
+       B(is_g33);
+       B(need_gfx_hws);
+       B(is_g4x);
+       B(is_pineview);
+       B(is_broadwater);
+       B(is_crestline);
+       B(has_fbc);
+       B(has_rc6);
+       B(has_pipe_cxsr);
+       B(has_hotplug);
+       B(cursor_needs_physical);
+       B(has_overlay);
+       B(overlay_needs_physical);
+       B(supports_tv);
+       B(has_bsd_ring);
+       B(has_blt_ring);
+#undef B
+
+       return 0;
+}
 
 static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
 {
@@ -64,6 +112,31 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
     }
 }
 
+static void
+describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
+{
+       seq_printf(m, "%p: %s%s %8zd %08x %08x %d%s%s",
+                  &obj->base,
+                  get_pin_flag(obj),
+                  get_tiling_flag(obj),
+                  obj->base.size,
+                  obj->base.read_domains,
+                  obj->base.write_domain,
+                  obj->last_rendering_seqno,
+                  obj->dirty ? " dirty" : "",
+                  obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
+       if (obj->base.name)
+               seq_printf(m, " (name: %d)", obj->base.name);
+       if (obj->fence_reg != I915_FENCE_REG_NONE)
+               seq_printf(m, " (fence: %d)", obj->fence_reg);
+       if (obj->gtt_space != NULL)
+               seq_printf(m, " (gtt_offset: %08x)", obj->gtt_offset);
+       if (obj->pin_mappable || obj->fault_mappable)
+               seq_printf(m, " (mappable)");
+       if (obj->ring != NULL)
+               seq_printf(m, " (%s)", obj->ring->name);
+}
+
 static int i915_gem_object_list_info(struct seq_file *m, void *data)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -72,56 +145,84 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct drm_i915_gem_object *obj_priv;
-       spinlock_t *lock = NULL;
+       size_t total_obj_size, total_gtt_size;
+       int count, ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
        switch (list) {
        case ACTIVE_LIST:
                seq_printf(m, "Active:\n");
-               lock = &dev_priv->mm.active_list_lock;
-               head = &dev_priv->render_ring.active_list;
+               head = &dev_priv->mm.active_list;
                break;
        case INACTIVE_LIST:
                seq_printf(m, "Inactive:\n");
                head = &dev_priv->mm.inactive_list;
                break;
+       case PINNED_LIST:
+               seq_printf(m, "Pinned:\n");
+               head = &dev_priv->mm.pinned_list;
+               break;
        case FLUSHING_LIST:
                seq_printf(m, "Flushing:\n");
                head = &dev_priv->mm.flushing_list;
                break;
+       case DEFERRED_FREE_LIST:
+               seq_printf(m, "Deferred free:\n");
+               head = &dev_priv->mm.deferred_free_list;
+               break;
        default:
-               DRM_INFO("Ooops, unexpected list\n");
-               return 0;
+               mutex_unlock(&dev->struct_mutex);
+               return -EINVAL;
        }
 
-       if (lock)
-               spin_lock(lock);
-       list_for_each_entry(obj_priv, head, list)
-       {
-               seq_printf(m, "    %p: %s %8zd %08x %08x %d%s%s",
-                          &obj_priv->base,
-                          get_pin_flag(obj_priv),
-                          obj_priv->base.size,
-                          obj_priv->base.read_domains,
-                          obj_priv->base.write_domain,
-                          obj_priv->last_rendering_seqno,
-                          obj_priv->dirty ? " dirty" : "",
-                          obj_priv->madv == I915_MADV_DONTNEED ? " purgeable" : "");
-
-               if (obj_priv->base.name)
-                       seq_printf(m, " (name: %d)", obj_priv->base.name);
-               if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
-                       seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
-               if (obj_priv->gtt_space != NULL)
-                       seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);
-
+       total_obj_size = total_gtt_size = count = 0;
+       list_for_each_entry(obj_priv, head, mm_list) {
+               seq_printf(m, "   ");
+               describe_obj(m, obj_priv);
                seq_printf(m, "\n");
+               total_obj_size += obj_priv->base.size;
+               total_gtt_size += obj_priv->gtt_space->size;
+               count++;
        }
+       mutex_unlock(&dev->struct_mutex);
 
-       if (lock)
-           spin_unlock(lock);
+       seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
+                  count, total_obj_size, total_gtt_size);
        return 0;
 }
 
+static int i915_gem_object_info(struct seq_file *m, void* data)
+{
+       struct drm_info_node *node = (struct drm_info_node *) m->private;
+       struct drm_device *dev = node->minor->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       seq_printf(m, "%u objects\n", dev_priv->mm.object_count);
+       seq_printf(m, "%zu object bytes\n", dev_priv->mm.object_memory);
+       seq_printf(m, "%u pinned\n", dev_priv->mm.pin_count);
+       seq_printf(m, "%zu pin bytes\n", dev_priv->mm.pin_memory);
+       seq_printf(m, "%u mappable objects in gtt\n", dev_priv->mm.gtt_mappable_count);
+       seq_printf(m, "%zu mappable gtt bytes\n", dev_priv->mm.gtt_mappable_memory);
+       seq_printf(m, "%zu mappable gtt used bytes\n", dev_priv->mm.mappable_gtt_used);
+       seq_printf(m, "%zu mappable gtt total\n", dev_priv->mm.mappable_gtt_total);
+       seq_printf(m, "%u objects in gtt\n", dev_priv->mm.gtt_count);
+       seq_printf(m, "%zu gtt bytes\n", dev_priv->mm.gtt_memory);
+       seq_printf(m, "%zu gtt total\n", dev_priv->mm.gtt_total);
+
+       mutex_unlock(&dev->struct_mutex);
+
+       return 0;
+}
+
+
 static int i915_gem_pageflip_info(struct seq_file *m, void *data)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -176,32 +277,84 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct drm_i915_gem_request *gem_request;
+       int ret, count;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
-       seq_printf(m, "Request:\n");
-       list_for_each_entry(gem_request, &dev_priv->render_ring.request_list,
-                       list) {
-               seq_printf(m, "    %d @ %d\n",
-                          gem_request->seqno,
-                          (int) (jiffies - gem_request->emitted_jiffies));
+       count = 0;
+       if (!list_empty(&dev_priv->render_ring.request_list)) {
+               seq_printf(m, "Render requests:\n");
+               list_for_each_entry(gem_request,
+                                   &dev_priv->render_ring.request_list,
+                                   list) {
+                       seq_printf(m, "    %d @ %d\n",
+                                  gem_request->seqno,
+                                  (int) (jiffies - gem_request->emitted_jiffies));
+               }
+               count++;
+       }
+       if (!list_empty(&dev_priv->bsd_ring.request_list)) {
+               seq_printf(m, "BSD requests:\n");
+               list_for_each_entry(gem_request,
+                                   &dev_priv->bsd_ring.request_list,
+                                   list) {
+                       seq_printf(m, "    %d @ %d\n",
+                                  gem_request->seqno,
+                                  (int) (jiffies - gem_request->emitted_jiffies));
+               }
+               count++;
+       }
+       if (!list_empty(&dev_priv->blt_ring.request_list)) {
+               seq_printf(m, "BLT requests:\n");
+               list_for_each_entry(gem_request,
+                                   &dev_priv->blt_ring.request_list,
+                                   list) {
+                       seq_printf(m, "    %d @ %d\n",
+                                  gem_request->seqno,
+                                  (int) (jiffies - gem_request->emitted_jiffies));
+               }
+               count++;
        }
+       mutex_unlock(&dev->struct_mutex);
+
+       if (count == 0)
+               seq_printf(m, "No requests\n");
+
        return 0;
 }
 
+static void i915_ring_seqno_info(struct seq_file *m,
+                                struct intel_ring_buffer *ring)
+{
+       if (ring->get_seqno) {
+               seq_printf(m, "Current sequence (%s): %d\n",
+                          ring->name, ring->get_seqno(ring));
+               seq_printf(m, "Waiter sequence (%s):  %d\n",
+                          ring->name, ring->waiting_seqno);
+               seq_printf(m, "IRQ sequence (%s):     %d\n",
+                          ring->name, ring->irq_seqno);
+       }
+}
+
 static int i915_gem_seqno_info(struct seq_file *m, void *data)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       i915_ring_seqno_info(m, &dev_priv->render_ring);
+       i915_ring_seqno_info(m, &dev_priv->bsd_ring);
+       i915_ring_seqno_info(m, &dev_priv->blt_ring);
+
+       mutex_unlock(&dev->struct_mutex);
 
-       if (dev_priv->render_ring.status_page.page_addr != NULL) {
-               seq_printf(m, "Current sequence: %d\n",
-                          i915_get_gem_seqno(dev,  &dev_priv->render_ring));
-       } else {
-               seq_printf(m, "Current sequence: hws uninitialized\n");
-       }
-       seq_printf(m, "Waiter sequence:  %d\n",
-                       dev_priv->mm.waiting_gem_seqno);
-       seq_printf(m, "IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
        return 0;
 }
 
@@ -211,6 +364,11 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
        if (!HAS_PCH_SPLIT(dev)) {
                seq_printf(m, "Interrupt enable:    %08x\n",
@@ -245,16 +403,11 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
        }
        seq_printf(m, "Interrupts received: %d\n",
                   atomic_read(&dev_priv->irq_received));
-       if (dev_priv->render_ring.status_page.page_addr != NULL) {
-               seq_printf(m, "Current sequence:    %d\n",
-                          i915_get_gem_seqno(dev,  &dev_priv->render_ring));
-       } else {
-               seq_printf(m, "Current sequence:    hws uninitialized\n");
-       }
-       seq_printf(m, "Waiter sequence:     %d\n",
-                  dev_priv->mm.waiting_gem_seqno);
-       seq_printf(m, "IRQ sequence:        %d\n",
-                  dev_priv->mm.irq_gem_seqno);
+       i915_ring_seqno_info(m, &dev_priv->render_ring);
+       i915_ring_seqno_info(m, &dev_priv->bsd_ring);
+       i915_ring_seqno_info(m, &dev_priv->blt_ring);
+       mutex_unlock(&dev->struct_mutex);
+
        return 0;
 }
 
@@ -263,32 +416,25 @@ static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
-       int i;
+       int i, ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
        seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
        seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
        for (i = 0; i < dev_priv->num_fence_regs; i++) {
                struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
 
-               if (obj == NULL) {
-                       seq_printf(m, "Fenced object[%2d] = unused\n", i);
-               } else {
-                       struct drm_i915_gem_object *obj_priv;
-
-                       obj_priv = to_intel_bo(obj);
-                       seq_printf(m, "Fenced object[%2d] = %p: %s "
-                                  "%08x %08zx %08x %s %08x %08x %d",
-                                  i, obj, get_pin_flag(obj_priv),
-                                  obj_priv->gtt_offset,
-                                  obj->size, obj_priv->stride,
-                                  get_tiling_flag(obj_priv),
-                                  obj->read_domains, obj->write_domain,
-                                  obj_priv->last_rendering_seqno);
-                       if (obj->name)
-                               seq_printf(m, " (name: %d)", obj->name);
-                       seq_printf(m, "\n");
-               }
+               seq_printf(m, "Fenced object[%2d] = ", i);
+               if (obj == NULL)
+                       seq_printf(m, "unused");
+               else
+                       describe_obj(m, to_intel_bo(obj));
+               seq_printf(m, "\n");
        }
+       mutex_unlock(&dev->struct_mutex);
 
        return 0;
 }
@@ -313,16 +459,19 @@ static int i915_hws_info(struct seq_file *m, void *data)
        return 0;
 }
 
-static void i915_dump_pages(struct seq_file *m, struct page **pages, int page_count)
+static void i915_dump_object(struct seq_file *m,
+                            struct io_mapping *mapping,
+                            struct drm_i915_gem_object *obj_priv)
 {
-       int page, i;
-       uint32_t *mem;
+       int page, page_count, i;
 
+       page_count = obj_priv->base.size / PAGE_SIZE;
        for (page = 0; page < page_count; page++) {
-               mem = kmap_atomic(pages[page], KM_USER0);
+               u32 *mem = io_mapping_map_wc(mapping,
+                                            obj_priv->gtt_offset + page * PAGE_SIZE);
                for (i = 0; i < PAGE_SIZE; i += 4)
                        seq_printf(m, "%08x :  %08x\n", i, mem[i / 4]);
-               kunmap_atomic(mem, KM_USER0);
+               io_mapping_unmap(mem);
        }
 }
 
@@ -335,27 +484,20 @@ static int i915_batchbuffer_info(struct seq_file *m, void *data)
        struct drm_i915_gem_object *obj_priv;
        int ret;
 
-       spin_lock(&dev_priv->mm.active_list_lock);
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
-       list_for_each_entry(obj_priv, &dev_priv->render_ring.active_list,
-                       list) {
+       list_for_each_entry(obj_priv, &dev_priv->mm.active_list, mm_list) {
                obj = &obj_priv->base;
                if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
-                   ret = i915_gem_object_get_pages(obj, 0);
-                   if (ret) {
-                           DRM_ERROR("Failed to get pages: %d\n", ret);
-                           spin_unlock(&dev_priv->mm.active_list_lock);
-                           return ret;
-                   }
-
-                   seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset);
-                   i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE);
-
-                   i915_gem_object_put_pages(obj);
+                   seq_printf(m, "--- gtt_offset = 0x%08x\n",
+                              obj_priv->gtt_offset);
+                   i915_dump_object(m, dev_priv->mm.gtt_mapping, obj_priv);
                }
        }
 
-       spin_unlock(&dev_priv->mm.active_list_lock);
+       mutex_unlock(&dev->struct_mutex);
 
        return 0;
 }
@@ -365,20 +507,32 @@ static int i915_ringbuffer_data(struct seq_file *m, void *data)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
-       u8 *virt;
-       uint32_t *ptr, off;
+       struct intel_ring_buffer *ring;
+       int ret;
 
-       if (!dev_priv->render_ring.gem_object) {
-               seq_printf(m, "No ringbuffer setup\n");
-               return 0;
+       switch ((uintptr_t)node->info_ent->data) {
+       case RENDER_RING: ring = &dev_priv->render_ring; break;
+       case BSD_RING: ring = &dev_priv->bsd_ring; break;
+       case BLT_RING: ring = &dev_priv->blt_ring; break;
+       default: return -EINVAL;
        }
 
-       virt = dev_priv->render_ring.virtual_start;
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       if (!ring->gem_object) {
+               seq_printf(m, "No ringbuffer setup\n");
+       } else {
+               u8 *virt = ring->virtual_start;
+               uint32_t off;
 
-       for (off = 0; off < dev_priv->render_ring.size; off += 4) {
-               ptr = (uint32_t *)(virt + off);
-               seq_printf(m, "%08x :  %08x\n", off, *ptr);
+               for (off = 0; off < ring->size; off += 4) {
+                       uint32_t *ptr = (uint32_t *)(virt + off);
+                       seq_printf(m, "%08x :  %08x\n", off, *ptr);
+               }
        }
+       mutex_unlock(&dev->struct_mutex);
 
        return 0;
 }
@@ -388,15 +542,25 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
        struct drm_info_node *node = (struct drm_info_node *) m->private;
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
-       unsigned int head, tail;
+       struct intel_ring_buffer *ring;
 
-       head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
-       tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+       switch ((uintptr_t)node->info_ent->data) {
+       case RENDER_RING: ring = &dev_priv->render_ring; break;
+       case BSD_RING: ring = &dev_priv->bsd_ring; break;
+       case BLT_RING: ring = &dev_priv->blt_ring; break;
+       default: return -EINVAL;
+       }
+
+       if (ring->size == 0)
+           return 0;
 
-       seq_printf(m, "RingHead :  %08x\n", head);
-       seq_printf(m, "RingTail :  %08x\n", tail);
-       seq_printf(m, "RingSize :  %08lx\n", dev_priv->render_ring.size);
-       seq_printf(m, "Acthd :     %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD));
+       seq_printf(m, "Ring %s:\n", ring->name);
+       seq_printf(m, "  Head :    %08x\n", I915_READ_HEAD(ring) & HEAD_ADDR);
+       seq_printf(m, "  Tail :    %08x\n", I915_READ_TAIL(ring) & TAIL_ADDR);
+       seq_printf(m, "  Size :    %08x\n", ring->size);
+       seq_printf(m, "  Active :  %08x\n", intel_ring_get_active_head(ring));
+       seq_printf(m, "  Control : %08x\n", I915_READ_CTL(ring));
+       seq_printf(m, "  Start :   %08x\n", I915_READ_START(ring));
 
        return 0;
 }
@@ -458,7 +622,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
        seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr);
        seq_printf(m, "  INSTDONE: 0x%08x\n", error->instdone);
        seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);
-       if (IS_I965G(dev)) {
+       if (INTEL_INFO(dev)->gen >= 4) {
                seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
                seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
        }
@@ -642,6 +806,9 @@ static int i915_fbc_status(struct seq_file *m, void *unused)
        } else {
                seq_printf(m, "FBC disabled: ");
                switch (dev_priv->no_fbc_reason) {
+               case FBC_NO_OUTPUT:
+                       seq_printf(m, "no outputs");
+                       break;
                case FBC_STOLEN_TOO_SMALL:
                        seq_printf(m, "not enough stolen memory");
                        break;
@@ -675,15 +842,17 @@ static int i915_sr_status(struct seq_file *m, void *unused)
        drm_i915_private_t *dev_priv = dev->dev_private;
        bool sr_enabled = false;
 
-       if (IS_I965GM(dev) || IS_I945G(dev) || IS_I945GM(dev))
+       if (IS_GEN5(dev))
+               sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN;
+       else if (IS_CRESTLINE(dev) || IS_I945G(dev) || IS_I945GM(dev))
                sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
        else if (IS_I915GM(dev))
                sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
        else if (IS_PINEVIEW(dev))
                sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
 
-       seq_printf(m, "self-refresh: %s\n", sr_enabled ? "enabled" :
-                  "disabled");
+       seq_printf(m, "self-refresh: %s\n",
+                  sr_enabled ? "enabled" : "disabled");
 
        return 0;
 }
@@ -694,10 +863,16 @@ static int i915_emon_status(struct seq_file *m, void *unused)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        unsigned long temp, chipset, gfx;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
 
        temp = i915_mch_val(dev_priv);
        chipset = i915_chipset_val(dev_priv);
        gfx = i915_gfx_val(dev_priv);
+       mutex_unlock(&dev->struct_mutex);
 
        seq_printf(m, "GMCH temp: %ld\n", temp);
        seq_printf(m, "Chipset power: %ld\n", chipset);
@@ -718,6 +893,68 @@ static int i915_gfxec(struct seq_file *m, void *unused)
        return 0;
 }
 
+static int i915_opregion(struct seq_file *m, void *unused)
+{
+       struct drm_info_node *node = (struct drm_info_node *) m->private;
+       struct drm_device *dev = node->minor->dev;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       struct intel_opregion *opregion = &dev_priv->opregion;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       if (opregion->header)
+               seq_write(m, opregion->header, OPREGION_SIZE);
+
+       mutex_unlock(&dev->struct_mutex);
+
+       return 0;
+}
+
+static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
+{
+       struct drm_info_node *node = (struct drm_info_node *) m->private;
+       struct drm_device *dev = node->minor->dev;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       struct intel_fbdev *ifbdev;
+       struct intel_framebuffer *fb;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+       if (ret)
+               return ret;
+
+       ifbdev = dev_priv->fbdev;
+       fb = to_intel_framebuffer(ifbdev->helper.fb);
+
+       seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
+                  fb->base.width,
+                  fb->base.height,
+                  fb->base.depth,
+                  fb->base.bits_per_pixel);
+       describe_obj(m, to_intel_bo(fb->obj));
+       seq_printf(m, "\n");
+
+       list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
+               if (&fb->base == ifbdev->helper.fb)
+                       continue;
+
+               seq_printf(m, "user size: %d x %d, depth %d, %d bpp, obj ",
+                          fb->base.width,
+                          fb->base.height,
+                          fb->base.depth,
+                          fb->base.bits_per_pixel);
+               describe_obj(m, to_intel_bo(fb->obj));
+               seq_printf(m, "\n");
+       }
+
+       mutex_unlock(&dev->mode_config.mutex);
+
+       return 0;
+}
+
 static int
 i915_wedged_open(struct inode *inode,
                 struct file *filp)
@@ -741,6 +978,9 @@ i915_wedged_read(struct file *filp,
                       "wedged :  %d\n",
                       atomic_read(&dev_priv->mm.wedged));
 
+       if (len > sizeof (buf))
+               len = sizeof (buf);
+
        return simple_read_from_buffer(ubuf, max, ppos, buf, len);
 }
 
@@ -770,7 +1010,7 @@ i915_wedged_write(struct file *filp,
 
        atomic_set(&dev_priv->mm.wedged, val);
        if (val) {
-               DRM_WAKEUP(&dev_priv->irq_queue);
+               wake_up_all(&dev_priv->irq_queue);
                queue_work(dev_priv->wq, &dev_priv->error_work);
        }
 
@@ -824,17 +1064,25 @@ static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
 }
 
 static struct drm_info_list i915_debugfs_list[] = {
+       {"i915_capabilities", i915_capabilities, 0, 0},
+       {"i915_gem_objects", i915_gem_object_info, 0},
        {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
        {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
        {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
+       {"i915_gem_pinned", i915_gem_object_list_info, 0, (void *) PINNED_LIST},
+       {"i915_gem_deferred_free", i915_gem_object_list_info, 0, (void *) DEFERRED_FREE_LIST},
        {"i915_gem_pageflip", i915_gem_pageflip_info, 0},
        {"i915_gem_request", i915_gem_request_info, 0},
        {"i915_gem_seqno", i915_gem_seqno_info, 0},
        {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
        {"i915_gem_interrupt", i915_interrupt_info, 0},
        {"i915_gem_hws", i915_hws_info, 0},
-       {"i915_ringbuffer_data", i915_ringbuffer_data, 0},
-       {"i915_ringbuffer_info", i915_ringbuffer_info, 0},
+       {"i915_ringbuffer_data", i915_ringbuffer_data, 0, (void *)RENDER_RING},
+       {"i915_ringbuffer_info", i915_ringbuffer_info, 0, (void *)RENDER_RING},
+       {"i915_bsd_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BSD_RING},
+       {"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BSD_RING},
+       {"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BLT_RING},
+       {"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BLT_RING},
        {"i915_batchbuffers", i915_batchbuffer_info, 0},
        {"i915_error_state", i915_error_state, 0},
        {"i915_rstdby_delays", i915_rstdby_delays, 0},
@@ -846,6 +1094,8 @@ static struct drm_info_list i915_debugfs_list[] = {
        {"i915_gfxec", i915_gfxec, 0},
        {"i915_fbc_status", i915_fbc_status, 0},
        {"i915_sr_status", i915_sr_status, 0},
+       {"i915_opregion", i915_opregion, 0},
+       {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
 };
 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
 
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