]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - drivers/gpu/drm/i915/i915_debugfs.c
drm/i915: Use atomics to manipulate obj->frontbuffer_bits
[karo-tx-linux.git] / drivers / gpu / drm / i915 / i915_debugfs.c
index a59e0caeda64b8021f649fd99102f0173c8b6236..9796b07bdb0d341434bdf1bce9b4dc468ad16f81 100644 (file)
@@ -125,7 +125,7 @@ static u64 i915_gem_obj_total_ggtt_size(struct drm_i915_gem_object *obj)
        struct i915_vma *vma;
 
        list_for_each_entry(vma, &obj->vma_list, obj_link) {
-               if (vma->is_ggtt && drm_mm_node_allocated(&vma->node))
+               if (i915_vma_is_ggtt(vma) && drm_mm_node_allocated(&vma->node))
                        size += vma->node.size;
        }
 
@@ -138,6 +138,7 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
        struct drm_i915_private *dev_priv = to_i915(obj->base.dev);
        struct intel_engine_cs *engine;
        struct i915_vma *vma;
+       unsigned int frontbuffer_bits;
        int pin_count = 0;
        enum intel_engine_id id;
 
@@ -155,17 +156,20 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
                   obj->base.write_domain);
        for_each_engine_id(engine, dev_priv, id)
                seq_printf(m, "%x ",
-                               i915_gem_request_get_seqno(obj->last_read_req[id]));
+                          i915_gem_active_get_seqno(&obj->last_read[id],
+                                                    &obj->base.dev->struct_mutex));
        seq_printf(m, "] %x %x%s%s%s",
-                  i915_gem_request_get_seqno(obj->last_write_req),
-                  i915_gem_request_get_seqno(obj->last_fenced_req),
+                  i915_gem_active_get_seqno(&obj->last_write,
+                                            &obj->base.dev->struct_mutex),
+                  i915_gem_active_get_seqno(&obj->last_fence,
+                                            &obj->base.dev->struct_mutex),
                   i915_cache_level_str(to_i915(obj->base.dev), obj->cache_level),
                   obj->dirty ? " dirty" : "",
                   obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
        if (obj->base.name)
                seq_printf(m, " (name: %d)", obj->base.name);
        list_for_each_entry(vma, &obj->vma_list, obj_link) {
-               if (vma->pin_count > 0)
+               if (i915_vma_is_pinned(vma))
                        pin_count++;
        }
        seq_printf(m, " (pinned x %d)", pin_count);
@@ -174,10 +178,13 @@ 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);
        list_for_each_entry(vma, &obj->vma_list, obj_link) {
+               if (!drm_mm_node_allocated(&vma->node))
+                       continue;
+
                seq_printf(m, " (%sgtt offset: %08llx, size: %08llx",
-                          vma->is_ggtt ? "g" : "pp",
+                          i915_vma_is_ggtt(vma) ? "g" : "pp",
                           vma->node.start, vma->node.size);
-               if (vma->is_ggtt)
+               if (i915_vma_is_ggtt(vma))
                        seq_printf(m, ", type: %u", vma->ggtt_view.type);
                seq_puts(m, ")");
        }
@@ -192,11 +199,15 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
                *t = '\0';
                seq_printf(m, " (%s mappable)", s);
        }
-       if (obj->last_write_req != NULL)
-               seq_printf(m, " (%s)",
-                          i915_gem_request_get_engine(obj->last_write_req)->name);
-       if (obj->frontbuffer_bits)
-               seq_printf(m, " (frontbuffer: 0x%03x)", obj->frontbuffer_bits);
+
+       engine = i915_gem_active_get_engine(&obj->last_write,
+                                           &obj->base.dev->struct_mutex);
+       if (engine)
+               seq_printf(m, " (%s)", engine->name);
+
+       frontbuffer_bits = atomic_read(&obj->frontbuffer_bits);
+       if (frontbuffer_bits)
+               seq_printf(m, " (frontbuffer: 0x%03x)", frontbuffer_bits);
 }
 
 static int i915_gem_object_list_info(struct seq_file *m, void *data)
@@ -338,46 +349,29 @@ static int per_file_stats(int id, void *ptr, void *data)
 
        stats->count++;
        stats->total += obj->base.size;
-
+       if (!obj->bind_count)
+               stats->unbound += obj->base.size;
        if (obj->base.name || obj->base.dma_buf)
                stats->shared += obj->base.size;
 
-       if (USES_FULL_PPGTT(obj->base.dev)) {
-               list_for_each_entry(vma, &obj->vma_list, obj_link) {
-                       struct i915_hw_ppgtt *ppgtt;
-
-                       if (!drm_mm_node_allocated(&vma->node))
-                               continue;
+       list_for_each_entry(vma, &obj->vma_list, obj_link) {
+               if (!drm_mm_node_allocated(&vma->node))
+                       continue;
 
-                       if (vma->is_ggtt) {
-                               stats->global += obj->base.size;
-                               continue;
-                       }
+               if (i915_vma_is_ggtt(vma)) {
+                       stats->global += vma->node.size;
+               } else {
+                       struct i915_hw_ppgtt *ppgtt = i915_vm_to_ppgtt(vma->vm);
 
-                       ppgtt = container_of(vma->vm, struct i915_hw_ppgtt, base);
-                       if (ppgtt->file_priv != stats->file_priv)
+                       if (ppgtt->base.file != stats->file_priv)
                                continue;
-
-                       if (obj->active) /* XXX per-vma statistic */
-                               stats->active += obj->base.size;
-                       else
-                               stats->inactive += obj->base.size;
-
-                       return 0;
-               }
-       } else {
-               if (i915_gem_obj_ggtt_bound(obj)) {
-                       stats->global += obj->base.size;
-                       if (obj->active)
-                               stats->active += obj->base.size;
-                       else
-                               stats->inactive += obj->base.size;
-                       return 0;
                }
-       }
 
-       if (!list_empty(&obj->global_list))
-               stats->unbound += obj->base.size;
+               if (i915_vma_is_active(vma))
+                       stats->active += vma->node.size;
+               else
+                       stats->inactive += vma->node.size;
+       }
 
        return 0;
 }
@@ -425,8 +419,8 @@ static int per_file_ctx_stats(int id, void *ptr, void *data)
        for (n = 0; n < ARRAY_SIZE(ctx->engine); n++) {
                if (ctx->engine[n].state)
                        per_file_stats(0, ctx->engine[n].state, data);
-               if (ctx->engine[n].ringbuf)
-                       per_file_stats(0, ctx->engine[n].ringbuf->obj, data);
+               if (ctx->engine[n].ring)
+                       per_file_stats(0, ctx->engine[n].ring->obj, data);
        }
 
        return 0;
@@ -754,13 +748,13 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
                int count;
 
                count = 0;
-               list_for_each_entry(req, &engine->request_list, list)
+               list_for_each_entry(req, &engine->request_list, link)
                        count++;
                if (count == 0)
                        continue;
 
                seq_printf(m, "%s requests: %d\n", engine->name, count);
-               list_for_each_entry(req, &engine->request_list, list) {
+               list_for_each_entry(req, &engine->request_list, link) {
                        struct task_struct *task;
 
                        rcu_read_lock();
@@ -768,7 +762,7 @@ static int i915_gem_request_info(struct seq_file *m, void *data)
                        if (req->pid)
                                task = pid_task(req->pid, PIDTYPE_PID);
                        seq_printf(m, "    %x @ %d: %s [%d]\n",
-                                  req->seqno,
+                                  req->fence.seqno,
                                   (int) (jiffies - req->emitted_jiffies),
                                   task ? task->comm : "<unknown>",
                                   task ? task->pid : -1);
@@ -793,8 +787,8 @@ static void i915_ring_seqno_info(struct seq_file *m,
 
        seq_printf(m, "Current sequence (%s): %x\n",
                   engine->name, intel_engine_get_seqno(engine));
-       seq_printf(m, "Current user interrupts (%s): %x\n",
-                  engine->name, READ_ONCE(engine->user_interrupts));
+       seq_printf(m, "Current user interrupts (%s): %lx\n",
+                  engine->name, READ_ONCE(engine->breadcrumbs.irq_wakeups));
 
        spin_lock(&b->lock);
        for (rb = rb_first(&b->waiters); rb; rb = rb_next(rb)) {
@@ -1205,8 +1199,6 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
 
        intel_runtime_pm_get(dev_priv);
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
        if (IS_GEN5(dev)) {
                u16 rgvswctl = I915_READ16(MEMSWCTL);
                u16 rgvstat = I915_READ16(MEMSTAT_ILK);
@@ -1381,6 +1373,8 @@ static int i915_frequency_info(struct seq_file *m, void *unused)
                           intel_gpu_freq(dev_priv, dev_priv->rps.idle_freq));
                seq_printf(m, "Min freq: %d MHz\n",
                           intel_gpu_freq(dev_priv, dev_priv->rps.min_freq));
+               seq_printf(m, "Boost freq: %d MHz\n",
+                          intel_gpu_freq(dev_priv, dev_priv->rps.boost_freq));
                seq_printf(m, "Max freq: %d MHz\n",
                           intel_gpu_freq(dev_priv, dev_priv->rps.max_freq));
                seq_printf(m,
@@ -1419,7 +1413,7 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
        intel_runtime_pm_get(dev_priv);
 
        for_each_engine_id(engine, dev_priv, id) {
-               acthd[id] = intel_ring_get_active_head(engine);
+               acthd[id] = intel_engine_get_active_head(engine);
                seqno[id] = intel_engine_get_seqno(engine);
        }
 
@@ -1442,9 +1436,9 @@ static int i915_hangcheck_info(struct seq_file *m, void *unused)
                           engine->last_submitted_seqno);
                seq_printf(m, "\twaiters? %d\n",
                           intel_engine_has_waiter(engine));
-               seq_printf(m, "\tuser interrupts = %x [current %x]\n",
+               seq_printf(m, "\tuser interrupts = %lx [current %lx]\n",
                           engine->hangcheck.user_interrupts,
-                          READ_ONCE(engine->user_interrupts));
+                          READ_ONCE(engine->breadcrumbs.irq_wakeups));
                seq_printf(m, "\tACTHD = 0x%08llx [current 0x%08llx]\n",
                           (long long)engine->hangcheck.acthd,
                           (long long)acthd[id]);
@@ -1602,6 +1596,7 @@ static int gen6_drpc_info(struct seq_file *m)
        struct drm_device *dev = node->minor->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
+       u32 gen9_powergate_enable = 0, gen9_powergate_status = 0;
        unsigned forcewake_count;
        int count = 0, ret;
 
@@ -1629,6 +1624,10 @@ static int gen6_drpc_info(struct seq_file *m)
 
        rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
        rcctl1 = I915_READ(GEN6_RC_CONTROL);
+       if (INTEL_INFO(dev)->gen >= 9) {
+               gen9_powergate_enable = I915_READ(GEN9_PG_ENABLE);
+               gen9_powergate_status = I915_READ(GEN9_PWRGT_DOMAIN_STATUS);
+       }
        mutex_unlock(&dev->struct_mutex);
        mutex_lock(&dev_priv->rps.hw_lock);
        sandybridge_pcode_read(dev_priv, GEN6_PCODE_READ_RC6VIDS, &rc6vids);
@@ -1647,6 +1646,12 @@ static int gen6_drpc_info(struct seq_file *m)
                   yesno(rcctl1 & GEN6_RC_CTL_RC1e_ENABLE));
        seq_printf(m, "RC6 Enabled: %s\n",
                   yesno(rcctl1 & GEN6_RC_CTL_RC6_ENABLE));
+       if (INTEL_INFO(dev)->gen >= 9) {
+               seq_printf(m, "Render Well Gating Enabled: %s\n",
+                       yesno(gen9_powergate_enable & GEN9_RENDER_PG_ENABLE));
+               seq_printf(m, "Media Well Gating Enabled: %s\n",
+                       yesno(gen9_powergate_enable & GEN9_MEDIA_PG_ENABLE));
+       }
        seq_printf(m, "Deep RC6 Enabled: %s\n",
                   yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
        seq_printf(m, "Deepest RC6 Enabled: %s\n",
@@ -1675,6 +1680,14 @@ static int gen6_drpc_info(struct seq_file *m)
 
        seq_printf(m, "Core Power Down: %s\n",
                   yesno(gt_core_status & GEN6_CORE_CPD_STATE_MASK));
+       if (INTEL_INFO(dev)->gen >= 9) {
+               seq_printf(m, "Render Power Well: %s\n",
+                       (gen9_powergate_status &
+                        GEN9_PWRGT_RENDER_STATUS_MASK) ? "Up" : "Down");
+               seq_printf(m, "Media Power Well: %s\n",
+                       (gen9_powergate_status &
+                        GEN9_PWRGT_MEDIA_STATUS_MASK) ? "Up" : "Down");
+       }
 
        /* Not exactly sure what this is */
        seq_printf(m, "RC6 \"Locked to RPn\" residency since boot: %u\n",
@@ -1692,7 +1705,7 @@ static int gen6_drpc_info(struct seq_file *m)
                   GEN6_DECODE_RC6_VID(((rc6vids >> 8) & 0xff)));
        seq_printf(m, "RC6++ voltage: %dmV\n",
                   GEN6_DECODE_RC6_VID(((rc6vids >> 16) & 0xff)));
-       return 0;
+       return i915_forcewake_domains(m, NULL);
 }
 
 static int i915_drpc_info(struct seq_file *m, void *unused)
@@ -1896,8 +1909,6 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused)
 
        intel_runtime_pm_get(dev_priv);
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
        ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
        if (ret)
                goto out;
@@ -2019,12 +2030,11 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
        return 0;
 }
 
-static void describe_ctx_ringbuf(struct seq_file *m,
-                                struct intel_ringbuffer *ringbuf)
+static void describe_ctx_ring(struct seq_file *m, struct intel_ring *ring)
 {
        seq_printf(m, " (ringbuffer, space: %d, head: %u, tail: %u, last head: %d)",
-                  ringbuf->space, ringbuf->head, ringbuf->tail,
-                  ringbuf->last_retired_head);
+                  ring->space, ring->head, ring->tail,
+                  ring->last_retired_head);
 }
 
 static int i915_context_status(struct seq_file *m, void *unused)
@@ -2068,8 +2078,8 @@ static int i915_context_status(struct seq_file *m, void *unused)
                        seq_putc(m, ce->initialised ? 'I' : 'i');
                        if (ce->state)
                                describe_obj(m, ce->state);
-                       if (ce->ringbuf)
-                               describe_ctx_ringbuf(m, ce->ringbuf);
+                       if (ce->ring)
+                               describe_ctx_ring(m, ce->ring);
                        seq_putc(m, '\n');
                }
 
@@ -2467,13 +2477,7 @@ static int i915_rps_boost_info(struct seq_file *m, void *data)
                           list_empty(&file_priv->rps.link) ? "" : ", active");
                rcu_read_unlock();
        }
-       seq_printf(m, "Semaphore boosts: %d%s\n",
-                  dev_priv->rps.semaphores.boosts,
-                  list_empty(&dev_priv->rps.semaphores.link) ? "" : ", active");
-       seq_printf(m, "MMIO flip boosts: %d%s\n",
-                  dev_priv->rps.mmioflips.boosts,
-                  list_empty(&dev_priv->rps.mmioflips.link) ? "" : ", active");
-       seq_printf(m, "Kernel boosts: %d\n", dev_priv->rps.boosts);
+       seq_printf(m, "Kernel (anonymous) boosts: %d\n", dev_priv->rps.boosts);
        spin_unlock(&dev_priv->rps.client_lock);
        mutex_unlock(&dev->filelist_mutex);
 
@@ -3228,7 +3232,7 @@ static int i915_semaphore_status(struct seq_file *m, void *unused)
        enum intel_engine_id id;
        int j, ret;
 
-       if (!i915_semaphore_is_enabled(dev_priv)) {
+       if (!i915.semaphores) {
                seq_puts(m, "Semaphores are disabled\n");
                return 0;
        }
@@ -3774,7 +3778,7 @@ static int i9xx_pipe_crc_auto_source(struct drm_device *dev, enum pipe pipe,
                case INTEL_OUTPUT_TVOUT:
                        *source = INTEL_PIPE_CRC_SOURCE_TV;
                        break;
-               case INTEL_OUTPUT_DISPLAYPORT:
+               case INTEL_OUTPUT_DP:
                case INTEL_OUTPUT_EDP:
                        dig_port = enc_to_dig_port(&encoder->base);
                        switch (dig_port->port) {
@@ -4950,20 +4954,11 @@ i915_max_freq_get(void *data, u64 *val)
 {
        struct drm_device *dev = data;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       int ret;
 
        if (INTEL_INFO(dev)->gen < 6)
                return -ENODEV;
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
-       ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
-       if (ret)
-               return ret;
-
        *val = intel_gpu_freq(dev_priv, dev_priv->rps.max_freq_softlimit);
-       mutex_unlock(&dev_priv->rps.hw_lock);
-
        return 0;
 }
 
@@ -4978,8 +4973,6 @@ i915_max_freq_set(void *data, u64 val)
        if (INTEL_INFO(dev)->gen < 6)
                return -ENODEV;
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
        DRM_DEBUG_DRIVER("Manually setting max freq to %llu\n", val);
 
        ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
@@ -5017,20 +5010,11 @@ i915_min_freq_get(void *data, u64 *val)
 {
        struct drm_device *dev = data;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       int ret;
 
-       if (INTEL_INFO(dev)->gen < 6)
+       if (INTEL_GEN(dev_priv) < 6)
                return -ENODEV;
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
-       ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
-       if (ret)
-               return ret;
-
        *val = intel_gpu_freq(dev_priv, dev_priv->rps.min_freq_softlimit);
-       mutex_unlock(&dev_priv->rps.hw_lock);
-
        return 0;
 }
 
@@ -5042,11 +5026,9 @@ i915_min_freq_set(void *data, u64 val)
        u32 hw_max, hw_min;
        int ret;
 
-       if (INTEL_INFO(dev)->gen < 6)
+       if (INTEL_GEN(dev_priv) < 6)
                return -ENODEV;
 
-       flush_delayed_work(&dev_priv->rps.delayed_resume_work);
-
        DRM_DEBUG_DRIVER("Manually setting min freq to %llu\n", val);
 
        ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
@@ -5268,7 +5250,8 @@ static void broadwell_sseu_device_status(struct drm_device *dev,
 static int i915_sseu_status(struct seq_file *m, void *unused)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
-       struct drm_device *dev = node->minor->dev;
+       struct drm_i915_private *dev_priv = to_i915(node->minor->dev);
+       struct drm_device *dev = &dev_priv->drm;
        struct sseu_dev_status stat;
 
        if (INTEL_INFO(dev)->gen < 8)
@@ -5298,6 +5281,9 @@ static int i915_sseu_status(struct seq_file *m, void *unused)
 
        seq_puts(m, "SSEU Device Status\n");
        memset(&stat, 0, sizeof(stat));
+
+       intel_runtime_pm_get(dev_priv);
+
        if (IS_CHERRYVIEW(dev)) {
                cherryview_sseu_device_status(dev, &stat);
        } else if (IS_BROADWELL(dev)) {
@@ -5305,6 +5291,9 @@ static int i915_sseu_status(struct seq_file *m, void *unused)
        } else if (INTEL_INFO(dev)->gen >= 9) {
                gen9_sseu_device_status(dev, &stat);
        }
+
+       intel_runtime_pm_put(dev_priv);
+
        seq_printf(m, "  Enabled Slice Total: %u\n",
                   stat.slice_total);
        seq_printf(m, "  Enabled Subslice Total: %u\n",