]> Pileus Git - ~andy/linux/blobdiff - drivers/gpu/drm/i915/i915_debugfs.c
Merge tag 'for-3.9-rc1' of git://gitorious.org/linux-pwm/linux-pwm
[~andy/linux] / drivers / gpu / drm / i915 / i915_debugfs.c
index 9d4a2c2adf0e0883d76d13070fa09f7aa32e1526..aae31489c89304f8d79ad2319bbb0ecb97897cef 100644 (file)
@@ -103,7 +103,7 @@ static const char *cache_level_str(int type)
 static void
 describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
 {
-       seq_printf(m, "%p: %s%s %8zdKiB %04x %04x %d %d %d%s%s%s",
+       seq_printf(m, "%p: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s",
                   &obj->base,
                   get_pin_flag(obj),
                   get_tiling_flag(obj),
@@ -125,6 +125,8 @@ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
        if (obj->gtt_space != NULL)
                seq_printf(m, " (gtt offset: %08x, size: %08x)",
                           obj->gtt_offset, (unsigned int)obj->gtt_space->size);
+       if (obj->stolen)
+               seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
        if (obj->pin_mappable || obj->fault_mappable) {
                char s[3], *t = s;
                if (obj->pin_mappable)
@@ -257,8 +259,9 @@ static int i915_gem_object_info(struct seq_file *m, void* data)
        seq_printf(m, "%u fault mappable objects, %zu bytes\n",
                   count, size);
 
-       seq_printf(m, "%zu [%zu] gtt total\n",
-                  dev_priv->mm.gtt_total, dev_priv->mm.mappable_gtt_total);
+       seq_printf(m, "%zu [%lu] gtt total\n",
+                  dev_priv->gtt.total,
+                  dev_priv->gtt.mappable_end - dev_priv->gtt.start);
 
        mutex_unlock(&dev->struct_mutex);
 
@@ -388,7 +391,7 @@ 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",
+               seq_printf(m, "Current sequence (%s): %u\n",
                           ring->name, ring->get_seqno(ring, false));
        }
 }
@@ -545,11 +548,11 @@ static int i915_hws_info(struct seq_file *m, void *data)
        struct drm_device *dev = node->minor->dev;
        drm_i915_private_t *dev_priv = dev->dev_private;
        struct intel_ring_buffer *ring;
-       const volatile u32 __iomem *hws;
+       const u32 *hws;
        int i;
 
        ring = &dev_priv->ring[(uintptr_t)node->info_ent->data];
-       hws = (volatile u32 __iomem *)ring->status_page.page_addr;
+       hws = ring->status_page.page_addr;
        if (hws == NULL)
                return 0;
 
@@ -609,7 +612,7 @@ static void print_error_buffers(struct seq_file *m,
        seq_printf(m, "%s [%d]:\n", name, count);
 
        while (count--) {
-               seq_printf(m, "  %08x %8u %04x %04x %x %x%s%s%s%s%s%s%s",
+               seq_printf(m, "  %08x %8u %02x %02x %x %x%s%s%s%s%s%s%s",
                           err->gtt_offset,
                           err->size,
                           err->read_domains,
@@ -691,7 +694,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
 
        seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
                   error->time.tv_usec);
-       seq_printf(m, "Kernel: " UTS_RELEASE);
+       seq_printf(m, "Kernel: " UTS_RELEASE "\n");
        seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
        seq_printf(m, "EIR: 0x%08x\n", error->eir);
        seq_printf(m, "IER: 0x%08x\n", error->ier);
@@ -816,11 +819,11 @@ static int i915_error_state_open(struct inode *inode, struct file *file)
 
        error_priv->dev = dev;
 
-       spin_lock_irqsave(&dev_priv->error_lock, flags);
-       error_priv->error = dev_priv->first_error;
+       spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
+       error_priv->error = dev_priv->gpu_error.first_error;
        if (error_priv->error)
                kref_get(&error_priv->error->ref);
-       spin_unlock_irqrestore(&dev_priv->error_lock, flags);
+       spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
 
        return single_open(file, i915_error_state, error_priv);
 }
@@ -846,6 +849,77 @@ static const struct file_operations i915_error_state_fops = {
        .release = i915_error_state_release,
 };
 
+static ssize_t
+i915_next_seqno_read(struct file *filp,
+                char __user *ubuf,
+                size_t max,
+                loff_t *ppos)
+{
+       struct drm_device *dev = filp->private_data;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       char buf[80];
+       int len;
+       int ret;
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       len = snprintf(buf, sizeof(buf),
+                      "next_seqno :  0x%x\n",
+                      dev_priv->next_seqno);
+
+       mutex_unlock(&dev->struct_mutex);
+
+       if (len > sizeof(buf))
+               len = sizeof(buf);
+
+       return simple_read_from_buffer(ubuf, max, ppos, buf, len);
+}
+
+static ssize_t
+i915_next_seqno_write(struct file *filp,
+                     const char __user *ubuf,
+                     size_t cnt,
+                     loff_t *ppos)
+{
+       struct drm_device *dev = filp->private_data;
+       char buf[20];
+       u32 val = 1;
+       int ret;
+
+       if (cnt > 0) {
+               if (cnt > sizeof(buf) - 1)
+                       return -EINVAL;
+
+               if (copy_from_user(buf, ubuf, cnt))
+                       return -EFAULT;
+               buf[cnt] = 0;
+
+               ret = kstrtouint(buf, 0, &val);
+               if (ret < 0)
+                       return ret;
+       }
+
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       ret = i915_gem_set_seqno(dev, val);
+
+       mutex_unlock(&dev->struct_mutex);
+
+       return ret ?: cnt;
+}
+
+static const struct file_operations i915_next_seqno_fops = {
+       .owner = THIS_MODULE,
+       .open = simple_open,
+       .read = i915_next_seqno_read,
+       .write = i915_next_seqno_write,
+       .llseek = default_llseek,
+};
+
 static int i915_rstdby_delays(struct seq_file *m, void *unused)
 {
        struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -888,7 +962,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
                u32 gt_perf_status = I915_READ(GEN6_GT_PERF_STATUS);
                u32 rp_state_limits = I915_READ(GEN6_RP_STATE_LIMITS);
                u32 rp_state_cap = I915_READ(GEN6_RP_STATE_CAP);
-               u32 rpstat;
+               u32 rpstat, cagf;
                u32 rpupei, rpcurup, rpprevup;
                u32 rpdownei, rpcurdown, rpprevdown;
                int max_freq;
@@ -907,6 +981,11 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
                rpdownei = I915_READ(GEN6_RP_CUR_DOWN_EI);
                rpcurdown = I915_READ(GEN6_RP_CUR_DOWN);
                rpprevdown = I915_READ(GEN6_RP_PREV_DOWN);
+               if (IS_HASWELL(dev))
+                       cagf = (rpstat & HSW_CAGF_MASK) >> HSW_CAGF_SHIFT;
+               else
+                       cagf = (rpstat & GEN6_CAGF_MASK) >> GEN6_CAGF_SHIFT;
+               cagf *= GT_FREQUENCY_MULTIPLIER;
 
                gen6_gt_force_wake_put(dev_priv);
                mutex_unlock(&dev->struct_mutex);
@@ -919,8 +998,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused)
                           gt_perf_status & 0xff);
                seq_printf(m, "Render p-state limit: %d\n",
                           rp_state_limits & 0xff);
-               seq_printf(m, "CAGF: %dMHz\n", ((rpstat & GEN6_CAGF_MASK) >>
-                                               GEN6_CAGF_SHIFT) * GT_FREQUENCY_MULTIPLIER);
+               seq_printf(m, "CAGF: %dMHz\n", cagf);
                seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
                           GEN6_CURICONT_MASK);
                seq_printf(m, "RP CUR UP: %dus\n", rpcurup &
@@ -1372,28 +1450,31 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data)
        ifbdev = dev_priv->fbdev;
        fb = to_intel_framebuffer(ifbdev->helper.fb);
 
-       seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, obj ",
+       seq_printf(m, "fbcon size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
                   fb->base.width,
                   fb->base.height,
                   fb->base.depth,
-                  fb->base.bits_per_pixel);
+                  fb->base.bits_per_pixel,
+                  atomic_read(&fb->base.refcount.refcount));
        describe_obj(m, fb->obj);
        seq_printf(m, "\n");
+       mutex_unlock(&dev->mode_config.mutex);
 
+       mutex_lock(&dev->mode_config.fb_lock);
        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 ",
+               seq_printf(m, "user size: %d x %d, depth %d, %d bpp, refcount %d, obj ",
                           fb->base.width,
                           fb->base.height,
                           fb->base.depth,
-                          fb->base.bits_per_pixel);
+                          fb->base.bits_per_pixel,
+                          atomic_read(&fb->base.refcount.refcount));
                describe_obj(m, fb->obj);
                seq_printf(m, "\n");
        }
-
-       mutex_unlock(&dev->mode_config.mutex);
+       mutex_unlock(&dev->mode_config.fb_lock);
 
        return 0;
 }
@@ -1403,7 +1484,8 @@ static int i915_context_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;
        drm_i915_private_t *dev_priv = dev->dev_private;
-       int ret;
+       struct intel_ring_buffer *ring;
+       int ret, i;
 
        ret = mutex_lock_interruptible(&dev->mode_config.mutex);
        if (ret)
@@ -1421,6 +1503,14 @@ static int i915_context_status(struct seq_file *m, void *unused)
                seq_printf(m, "\n");
        }
 
+       for_each_ring(ring, dev_priv, i) {
+               if (ring->default_context) {
+                       seq_printf(m, "HW default context %s ring ", ring->name);
+                       describe_obj(m, ring->default_context->obj);
+                       seq_printf(m, "\n");
+               }
+       }
+
        mutex_unlock(&dev->mode_config.mutex);
 
        return 0;
@@ -1460,7 +1550,7 @@ static const char *swizzle_string(unsigned swizzle)
        case I915_BIT_6_SWIZZLE_9_10_17:
                return "bit9/bit10/bit17";
        case I915_BIT_6_SWIZZLE_UNKNOWN:
-               return "unkown";
+               return "unknown";
        }
 
        return "bug";
@@ -1556,7 +1646,7 @@ static int i915_dpio_info(struct seq_file *m, void *data)
                return 0;
        }
 
-       ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+       ret = mutex_lock_interruptible(&dev_priv->dpio_lock);
        if (ret)
                return ret;
 
@@ -1585,7 +1675,7 @@ static int i915_dpio_info(struct seq_file *m, void *data)
        seq_printf(m, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
                   intel_dpio_read(dev_priv, DPIO_FASTCLK_DISABLE));
 
-       mutex_unlock(&dev->mode_config.mutex);
+       mutex_unlock(&dev_priv->dpio_lock);
 
        return 0;
 }
@@ -1603,7 +1693,7 @@ i915_wedged_read(struct file *filp,
 
        len = snprintf(buf, sizeof(buf),
                       "wedged :  %d\n",
-                      atomic_read(&dev_priv->mm.wedged));
+                      atomic_read(&dev_priv->gpu_error.reset_counter));
 
        if (len > sizeof(buf))
                len = sizeof(buf);
@@ -1658,7 +1748,7 @@ i915_ring_stop_read(struct file *filp,
        int len;
 
        len = snprintf(buf, sizeof(buf),
-                      "0x%08x\n", dev_priv->stop_rings);
+                      "0x%08x\n", dev_priv->gpu_error.stop_rings);
 
        if (len > sizeof(buf))
                len = sizeof(buf);
@@ -1694,7 +1784,7 @@ i915_ring_stop_write(struct file *filp,
        if (ret)
                return ret;
 
-       dev_priv->stop_rings = val;
+       dev_priv->gpu_error.stop_rings = val;
        mutex_unlock(&dev->struct_mutex);
 
        return cnt;
@@ -1708,6 +1798,102 @@ static const struct file_operations i915_ring_stop_fops = {
        .llseek = default_llseek,
 };
 
+#define DROP_UNBOUND 0x1
+#define DROP_BOUND 0x2
+#define DROP_RETIRE 0x4
+#define DROP_ACTIVE 0x8
+#define DROP_ALL (DROP_UNBOUND | \
+                 DROP_BOUND | \
+                 DROP_RETIRE | \
+                 DROP_ACTIVE)
+static ssize_t
+i915_drop_caches_read(struct file *filp,
+                     char __user *ubuf,
+                     size_t max,
+                     loff_t *ppos)
+{
+       char buf[20];
+       int len;
+
+       len = snprintf(buf, sizeof(buf), "0x%08x\n", DROP_ALL);
+       if (len > sizeof(buf))
+               len = sizeof(buf);
+
+       return simple_read_from_buffer(ubuf, max, ppos, buf, len);
+}
+
+static ssize_t
+i915_drop_caches_write(struct file *filp,
+                      const char __user *ubuf,
+                      size_t cnt,
+                      loff_t *ppos)
+{
+       struct drm_device *dev = filp->private_data;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_gem_object *obj, *next;
+       char buf[20];
+       int val = 0, ret;
+
+       if (cnt > 0) {
+               if (cnt > sizeof(buf) - 1)
+                       return -EINVAL;
+
+               if (copy_from_user(buf, ubuf, cnt))
+                       return -EFAULT;
+               buf[cnt] = 0;
+
+               val = simple_strtoul(buf, NULL, 0);
+       }
+
+       DRM_DEBUG_DRIVER("Dropping caches: 0x%08x\n", val);
+
+       /* No need to check and wait for gpu resets, only libdrm auto-restarts
+        * on ioctls on -EAGAIN. */
+       ret = mutex_lock_interruptible(&dev->struct_mutex);
+       if (ret)
+               return ret;
+
+       if (val & DROP_ACTIVE) {
+               ret = i915_gpu_idle(dev);
+               if (ret)
+                       goto unlock;
+       }
+
+       if (val & (DROP_RETIRE | DROP_ACTIVE))
+               i915_gem_retire_requests(dev);
+
+       if (val & DROP_BOUND) {
+               list_for_each_entry_safe(obj, next, &dev_priv->mm.inactive_list, mm_list)
+                       if (obj->pin_count == 0) {
+                               ret = i915_gem_object_unbind(obj);
+                               if (ret)
+                                       goto unlock;
+                       }
+       }
+
+       if (val & DROP_UNBOUND) {
+               list_for_each_entry_safe(obj, next, &dev_priv->mm.unbound_list, gtt_list)
+                       if (obj->pages_pin_count == 0) {
+                               ret = i915_gem_object_put_pages(obj);
+                               if (ret)
+                                       goto unlock;
+                       }
+       }
+
+unlock:
+       mutex_unlock(&dev->struct_mutex);
+
+       return ret ?: cnt;
+}
+
+static const struct file_operations i915_drop_caches_fops = {
+       .owner = THIS_MODULE,
+       .open = simple_open,
+       .read = i915_drop_caches_read,
+       .write = i915_drop_caches_write,
+       .llseek = default_llseek,
+};
+
 static ssize_t
 i915_max_freq_read(struct file *filp,
                   char __user *ubuf,
@@ -2104,12 +2290,24 @@ int i915_debugfs_init(struct drm_minor *minor)
        if (ret)
                return ret;
 
+       ret = i915_debugfs_create(minor->debugfs_root, minor,
+                                 "i915_gem_drop_caches",
+                                 &i915_drop_caches_fops);
+       if (ret)
+               return ret;
+
        ret = i915_debugfs_create(minor->debugfs_root, minor,
                                  "i915_error_state",
                                  &i915_error_state_fops);
        if (ret)
                return ret;
 
+       ret = i915_debugfs_create(minor->debugfs_root, minor,
+                                "i915_next_seqno",
+                                &i915_next_seqno_fops);
+       if (ret)
+               return ret;
+
        return drm_debugfs_create_files(i915_debugfs_list,
                                        I915_DEBUGFS_ENTRIES,
                                        minor->debugfs_root, minor);
@@ -2129,10 +2327,14 @@ void i915_debugfs_cleanup(struct drm_minor *minor)
                                 1, minor);
        drm_debugfs_remove_files((struct drm_info_list *) &i915_cache_sharing_fops,
                                 1, minor);
+       drm_debugfs_remove_files((struct drm_info_list *) &i915_drop_caches_fops,
+                                1, minor);
        drm_debugfs_remove_files((struct drm_info_list *) &i915_ring_stop_fops,
                                 1, minor);
        drm_debugfs_remove_files((struct drm_info_list *) &i915_error_state_fops,
                                 1, minor);
+       drm_debugfs_remove_files((struct drm_info_list *) &i915_next_seqno_fops,
+                                1, minor);
 }
 
 #endif /* CONFIG_DEBUG_FS */