drm/i915/debugfs: Display the contents of the BLT and BSD status pages
[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / i915_debugfs.c
index c1b04b6056daed13d6b9c56b4b8c72429aba1b60..58cf60d89f6850839471f609b5ef21b0d4ed0a5e 100644 (file)
@@ -48,6 +48,12 @@ enum {
        DEFERRED_FREE_LIST,
 };
 
+enum {
+       RENDER_RING,
+       BSD_RING,
+       BLT_RING,
+};
+
 static const char *yesno(int v)
 {
        return v ? "yes" : "no";
@@ -124,7 +130,10 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
        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);
+               seq_printf(m, " (gtt offset: %08x, size: %08x)",
+                          obj->gtt_offset, (unsigned int)obj->gtt_space->size);
+       if (obj->pin_mappable || obj->fault_mappable)
+               seq_printf(m, " (mappable)");
        if (obj->ring != NULL)
                seq_printf(m, " (%s)", obj->ring->name);
 }
@@ -201,6 +210,10 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
        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);
@@ -265,24 +278,67 @@ 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;
+       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;
@@ -294,15 +350,9 @@ static int i915_gem_seqno_info(struct seq_file *m, void *data)
        if (ret)
                return ret;
 
-       if (dev_priv->render_ring.status_page.page_addr != NULL) {
-               seq_printf(m, "Current sequence: %d\n",
-                          dev_priv->render_ring.get_seqno(&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);
 
@@ -354,16 +404,9 @@ 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",
-                          dev_priv->render_ring.get_seqno(&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;
@@ -385,24 +428,12 @@ static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
        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);
 
@@ -414,10 +445,18 @@ static int i915_hws_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;
+       struct intel_ring_buffer *ring;
        volatile u32 *hws;
+       int i;
 
-       hws = (volatile u32 *)dev_priv->render_ring.status_page.page_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;
+       }
+
+       hws = (volatile u32 *)ring->status_page.page_addr;
        if (hws == NULL)
                return 0;
 
@@ -477,19 +516,27 @@ 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;
+       struct intel_ring_buffer *ring;
        int ret;
 
+       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;
+       }
+
        ret = mutex_lock_interruptible(&dev->struct_mutex);
        if (ret)
                return ret;
 
-       if (!dev_priv->render_ring.gem_object) {
+       if (!ring->gem_object) {
                seq_printf(m, "No ringbuffer setup\n");
        } else {
-               u8 *virt = dev_priv->render_ring.virtual_start;
+               u8 *virt = ring->virtual_start;
                uint32_t off;
 
-               for (off = 0; off < dev_priv->render_ring.size; off += 4) {
+               for (off = 0; off < ring->size; off += 4) {
                        uint32_t *ptr = (uint32_t *)(virt + off);
                        seq_printf(m, "%08x :  %08x\n", off, *ptr);
                }
@@ -504,15 +551,25 @@ 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;
+
+       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;
+       }
 
-       head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
-       tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
+       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(INTEL_INFO(dev)->gen >= 4 ? 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;
 }
@@ -568,17 +625,27 @@ static int i915_error_state(struct seq_file *m, void *unused)
                   error->time.tv_usec);
        seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
        seq_printf(m, "EIR: 0x%08x\n", error->eir);
-       seq_printf(m, "  PGTBL_ER: 0x%08x\n", error->pgtbl_er);
-       seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
+       seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
+       if (INTEL_INFO(dev)->gen >= 6) {
+               seq_printf(m, "ERROR: 0x%08x\n", error->error);
+               seq_printf(m, "Blitter command stream:\n");
+               seq_printf(m, "  ACTHD:    0x%08x\n", error->bcs_acthd);
+               seq_printf(m, "  IPEHR:    0x%08x\n", error->bcs_ipehr);
+               seq_printf(m, "  IPEIR:    0x%08x\n", error->bcs_ipeir);
+               seq_printf(m, "  INSTDONE: 0x%08x\n", error->bcs_instdone);
+               seq_printf(m, "  seqno:    0x%08x\n", error->bcs_seqno);
+       }
+       seq_printf(m, "Render command stream:\n");
+       seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);
        seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir);
        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 (INTEL_INFO(dev)->gen >= 4) {
-               seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
                seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
+               seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
        }
-       seq_printf(m, "seqno: 0x%08x\n", error->seqno);
+       seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
+       seq_printf(m, "  seqno: 0x%08x\n", error->seqno);
 
        if (error->active_bo_count) {
                seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
@@ -1028,9 +1095,15 @@ static struct drm_info_list i915_debugfs_list[] = {
        {"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_gem_hws", i915_hws_info, 0, (void *)RENDER_RING},
+       {"i915_gem_hws_blt", i915_hws_info, 0, (void *)BLT_RING},
+       {"i915_gem_hws_bsd", i915_hws_info, 0, (void *)BSD_RING},
+       {"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},