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path: root/drivers/gpu/drm/i915/i915_debugfs.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c320
1 files changed, 183 insertions, 137 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index deaa657292b4..b505b70dba05 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -83,6 +83,7 @@ static int i915_capabilities(struct seq_file *m, void *data)
B(supports_tv);
B(has_bsd_ring);
B(has_blt_ring);
+ B(has_llc);
#undef B
return 0;
@@ -563,45 +564,6 @@ static int i915_hws_info(struct seq_file *m, void *data)
return 0;
}
-static void i915_dump_object(struct seq_file *m,
- struct io_mapping *mapping,
- struct drm_i915_gem_object *obj)
-{
- int page, page_count, i;
-
- page_count = obj->base.size / PAGE_SIZE;
- for (page = 0; page < page_count; page++) {
- u32 *mem = io_mapping_map_wc(mapping,
- obj->gtt_offset + page * PAGE_SIZE);
- for (i = 0; i < PAGE_SIZE; i += 4)
- seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
- io_mapping_unmap(mem);
- }
-}
-
-static int i915_batchbuffer_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 drm_i915_gem_object *obj;
- int ret;
-
- ret = mutex_lock_interruptible(&dev->struct_mutex);
- if (ret)
- return ret;
-
- list_for_each_entry(obj, &dev_priv->mm.active_list, mm_list) {
- if (obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) {
- seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
- i915_dump_object(m, dev_priv->mm.gtt_mapping, obj);
- }
- }
-
- mutex_unlock(&dev->struct_mutex);
- return 0;
-}
-
static int i915_ringbuffer_data(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -668,9 +630,9 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
static const char *ring_str(int ring)
{
switch (ring) {
- case RING_RENDER: return " render";
- case RING_BSD: return " bsd";
- case RING_BLT: return " blt";
+ case RCS: return "render";
+ case VCS: return "bsd";
+ case BCS: return "blt";
default: return "";
}
}
@@ -713,7 +675,7 @@ 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 %08x%s%s%s%s%s%s",
+ seq_printf(m, " %08x %8u %04x %04x %08x%s%s%s%s%s%s%s",
err->gtt_offset,
err->size,
err->read_domains,
@@ -723,6 +685,7 @@ static void print_error_buffers(struct seq_file *m,
tiling_flag(err->tiling),
dirty_flag(err->dirty),
purgeable_flag(err->purgeable),
+ err->ring != -1 ? " " : "",
ring_str(err->ring),
cache_level_str(err->cache_level));
@@ -736,6 +699,38 @@ static void print_error_buffers(struct seq_file *m,
}
}
+static void i915_ring_error_state(struct seq_file *m,
+ struct drm_device *dev,
+ struct drm_i915_error_state *error,
+ unsigned ring)
+{
+ seq_printf(m, "%s command stream:\n", ring_str(ring));
+ seq_printf(m, " HEAD: 0x%08x\n", error->head[ring]);
+ seq_printf(m, " TAIL: 0x%08x\n", error->tail[ring]);
+ seq_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]);
+ seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]);
+ seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]);
+ seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]);
+ if (ring == RCS && INTEL_INFO(dev)->gen >= 4) {
+ seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
+ seq_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr);
+ }
+ if (INTEL_INFO(dev)->gen >= 4)
+ seq_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
+ seq_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
+ if (INTEL_INFO(dev)->gen >= 6) {
+ seq_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
+ seq_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
+ seq_printf(m, " SYNC_0: 0x%08x\n",
+ error->semaphore_mboxes[ring][0]);
+ seq_printf(m, " SYNC_1: 0x%08x\n",
+ error->semaphore_mboxes[ring][1]);
+ }
+ seq_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
+ seq_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
+ seq_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
+}
+
static int i915_error_state(struct seq_file *m, void *unused)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -743,7 +738,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_error_state *error;
unsigned long flags;
- int i, page, offset, elt;
+ int i, j, page, offset, elt;
spin_lock_irqsave(&dev_priv->error_lock, flags);
if (!dev_priv->first_error) {
@@ -758,35 +753,20 @@ static int i915_error_state(struct seq_file *m, void *unused)
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);
+
+ for (i = 0; i < dev_priv->num_fence_regs; i++)
+ seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]);
+
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, " IPEIR: 0x%08x\n", error->bcs_ipeir);
- seq_printf(m, " IPEHR: 0x%08x\n", error->bcs_ipehr);
- seq_printf(m, " INSTDONE: 0x%08x\n", error->bcs_instdone);
- seq_printf(m, " seqno: 0x%08x\n", error->bcs_seqno);
- seq_printf(m, "Video (BSD) command stream:\n");
- seq_printf(m, " ACTHD: 0x%08x\n", error->vcs_acthd);
- seq_printf(m, " IPEIR: 0x%08x\n", error->vcs_ipeir);
- seq_printf(m, " IPEHR: 0x%08x\n", error->vcs_ipehr);
- seq_printf(m, " INSTDONE: 0x%08x\n", error->vcs_instdone);
- seq_printf(m, " seqno: 0x%08x\n", error->vcs_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);
- if (INTEL_INFO(dev)->gen >= 4) {
- seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
- seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
+ seq_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
}
- seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
- seq_printf(m, " seqno: 0x%08x\n", error->seqno);
- for (i = 0; i < dev_priv->num_fence_regs; i++)
- seq_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]);
+ i915_ring_error_state(m, dev, error, RCS);
+ if (HAS_BLT(dev))
+ i915_ring_error_state(m, dev, error, BCS);
+ if (HAS_BSD(dev))
+ i915_ring_error_state(m, dev, error, VCS);
if (error->active_bo)
print_error_buffers(m, "Active",
@@ -798,10 +778,10 @@ static int i915_error_state(struct seq_file *m, void *unused)
error->pinned_bo,
error->pinned_bo_count);
- for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
- if (error->batchbuffer[i]) {
- struct drm_i915_error_object *obj = error->batchbuffer[i];
+ for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
+ struct drm_i915_error_object *obj;
+ if ((obj = error->ring[i].batchbuffer)) {
seq_printf(m, "%s --- gtt_offset = 0x%08x\n",
dev_priv->ring[i].name,
obj->gtt_offset);
@@ -813,11 +793,20 @@ static int i915_error_state(struct seq_file *m, void *unused)
}
}
}
- }
- for (i = 0; i < ARRAY_SIZE(error->ringbuffer); i++) {
- if (error->ringbuffer[i]) {
- struct drm_i915_error_object *obj = error->ringbuffer[i];
+ if (error->ring[i].num_requests) {
+ seq_printf(m, "%s --- %d requests\n",
+ dev_priv->ring[i].name,
+ error->ring[i].num_requests);
+ for (j = 0; j < error->ring[i].num_requests; j++) {
+ seq_printf(m, " seqno 0x%08x, emitted %ld, tail 0x%08x\n",
+ error->ring[i].requests[j].seqno,
+ error->ring[i].requests[j].jiffies,
+ error->ring[i].requests[j].tail);
+ }
+ }
+
+ if ((obj = error->ring[i].ringbuffer)) {
seq_printf(m, "%s --- ringbuffer = 0x%08x\n",
dev_priv->ring[i].name,
obj->gtt_offset);
@@ -1414,11 +1403,102 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data)
return 0;
}
-static int
-i915_wedged_open(struct inode *inode,
- struct file *filp)
+static const char *swizzle_string(unsigned swizzle)
+{
+ switch(swizzle) {
+ case I915_BIT_6_SWIZZLE_NONE:
+ return "none";
+ case I915_BIT_6_SWIZZLE_9:
+ return "bit9";
+ case I915_BIT_6_SWIZZLE_9_10:
+ return "bit9/bit10";
+ case I915_BIT_6_SWIZZLE_9_11:
+ return "bit9/bit11";
+ case I915_BIT_6_SWIZZLE_9_10_11:
+ return "bit9/bit10/bit11";
+ case I915_BIT_6_SWIZZLE_9_17:
+ return "bit9/bit17";
+ case I915_BIT_6_SWIZZLE_9_10_17:
+ return "bit9/bit10/bit17";
+ case I915_BIT_6_SWIZZLE_UNKNOWN:
+ return "unkown";
+ }
+
+ return "bug";
+}
+
+static int i915_swizzle_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;
+
+ mutex_lock(&dev->struct_mutex);
+ seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
+ swizzle_string(dev_priv->mm.bit_6_swizzle_x));
+ seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
+ swizzle_string(dev_priv->mm.bit_6_swizzle_y));
+
+ if (IS_GEN3(dev) || IS_GEN4(dev)) {
+ seq_printf(m, "DDC = 0x%08x\n",
+ I915_READ(DCC));
+ seq_printf(m, "C0DRB3 = 0x%04x\n",
+ I915_READ16(C0DRB3));
+ seq_printf(m, "C1DRB3 = 0x%04x\n",
+ I915_READ16(C1DRB3));
+ } else if (IS_GEN6(dev) || IS_GEN7(dev)) {
+ seq_printf(m, "MAD_DIMM_C0 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C0));
+ seq_printf(m, "MAD_DIMM_C1 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C1));
+ seq_printf(m, "MAD_DIMM_C2 = 0x%08x\n",
+ I915_READ(MAD_DIMM_C2));
+ seq_printf(m, "TILECTL = 0x%08x\n",
+ I915_READ(TILECTL));
+ seq_printf(m, "ARB_MODE = 0x%08x\n",
+ I915_READ(ARB_MODE));
+ seq_printf(m, "DISP_ARB_CTL = 0x%08x\n",
+ I915_READ(DISP_ARB_CTL));
+ }
+ mutex_unlock(&dev->struct_mutex);
+
+ return 0;
+}
+
+static int i915_ppgtt_info(struct seq_file *m, void *data)
{
- filp->private_data = inode->i_private;
+ 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;
+ struct intel_ring_buffer *ring;
+ int i, ret;
+
+
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+ if (INTEL_INFO(dev)->gen == 6)
+ seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(GFX_MODE));
+
+ for (i = 0; i < I915_NUM_RINGS; i++) {
+ ring = &dev_priv->ring[i];
+
+ seq_printf(m, "%s\n", ring->name);
+ if (INTEL_INFO(dev)->gen == 7)
+ seq_printf(m, "GFX_MODE: 0x%08x\n", I915_READ(RING_MODE_GEN7(ring)));
+ seq_printf(m, "PP_DIR_BASE: 0x%08x\n", I915_READ(RING_PP_DIR_BASE(ring)));
+ seq_printf(m, "PP_DIR_BASE_READ: 0x%08x\n", I915_READ(RING_PP_DIR_BASE_READ(ring)));
+ seq_printf(m, "PP_DIR_DCLV: 0x%08x\n", I915_READ(RING_PP_DIR_DCLV(ring)));
+ }
+ if (dev_priv->mm.aliasing_ppgtt) {
+ struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
+
+ seq_printf(m, "aliasing PPGTT:\n");
+ seq_printf(m, "pd gtt offset: 0x%08x\n", ppgtt->pd_offset);
+ }
+ seq_printf(m, "ECOCHK: 0x%08x\n", I915_READ(GAM_ECOCHK));
+ mutex_unlock(&dev->struct_mutex);
+
return 0;
}
@@ -1472,20 +1552,12 @@ i915_wedged_write(struct file *filp,
static const struct file_operations i915_wedged_fops = {
.owner = THIS_MODULE,
- .open = i915_wedged_open,
+ .open = simple_open,
.read = i915_wedged_read,
.write = i915_wedged_write,
.llseek = default_llseek,
};
-static int
-i915_max_freq_open(struct inode *inode,
- struct file *filp)
-{
- filp->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t
i915_max_freq_read(struct file *filp,
char __user *ubuf,
@@ -1542,20 +1614,12 @@ i915_max_freq_write(struct file *filp,
static const struct file_operations i915_max_freq_fops = {
.owner = THIS_MODULE,
- .open = i915_max_freq_open,
+ .open = simple_open,
.read = i915_max_freq_read,
.write = i915_max_freq_write,
.llseek = default_llseek,
};
-static int
-i915_cache_sharing_open(struct inode *inode,
- struct file *filp)
-{
- filp->private_data = inode->i_private;
- return 0;
-}
-
static ssize_t
i915_cache_sharing_read(struct file *filp,
char __user *ubuf,
@@ -1621,7 +1685,7 @@ i915_cache_sharing_write(struct file *filp,
static const struct file_operations i915_cache_sharing_fops = {
.owner = THIS_MODULE,
- .open = i915_cache_sharing_open,
+ .open = simple_open,
.read = i915_cache_sharing_read,
.write = i915_cache_sharing_write,
.llseek = default_llseek,
@@ -1653,21 +1717,6 @@ drm_add_fake_info_node(struct drm_minor *minor,
return 0;
}
-static int i915_wedged_create(struct dentry *root, struct drm_minor *minor)
-{
- struct drm_device *dev = minor->dev;
- struct dentry *ent;
-
- ent = debugfs_create_file("i915_wedged",
- S_IRUGO | S_IWUSR,
- root, dev,
- &i915_wedged_fops);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
-
- return drm_add_fake_info_node(minor, ent, &i915_wedged_fops);
-}
-
static int i915_forcewake_open(struct inode *inode, struct file *file)
{
struct drm_device *dev = inode->i_private;
@@ -1729,34 +1778,22 @@ static int i915_forcewake_create(struct dentry *root, struct drm_minor *minor)
return drm_add_fake_info_node(minor, ent, &i915_forcewake_fops);
}
-static int i915_max_freq_create(struct dentry *root, struct drm_minor *minor)
+static int i915_debugfs_create(struct dentry *root,
+ struct drm_minor *minor,
+ const char *name,
+ const struct file_operations *fops)
{
struct drm_device *dev = minor->dev;
struct dentry *ent;
- ent = debugfs_create_file("i915_max_freq",
+ ent = debugfs_create_file(name,
S_IRUGO | S_IWUSR,
root, dev,
- &i915_max_freq_fops);
+ fops);
if (IS_ERR(ent))
return PTR_ERR(ent);
- return drm_add_fake_info_node(minor, ent, &i915_max_freq_fops);
-}
-
-static int i915_cache_sharing_create(struct dentry *root, struct drm_minor *minor)
-{
- struct drm_device *dev = minor->dev;
- struct dentry *ent;
-
- ent = debugfs_create_file("i915_cache_sharing",
- S_IRUGO | S_IWUSR,
- root, dev,
- &i915_cache_sharing_fops);
- if (IS_ERR(ent))
- return PTR_ERR(ent);
-
- return drm_add_fake_info_node(minor, ent, &i915_cache_sharing_fops);
+ return drm_add_fake_info_node(minor, ent, fops);
}
static struct drm_info_list i915_debugfs_list[] = {
@@ -1782,7 +1819,6 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_bsd_ringbuffer_info", i915_ringbuffer_info, 0, (void *)VCS},
{"i915_blt_ringbuffer_data", i915_ringbuffer_data, 0, (void *)BCS},
{"i915_blt_ringbuffer_info", i915_ringbuffer_info, 0, (void *)BCS},
- {"i915_batchbuffers", i915_batchbuffer_info, 0},
{"i915_error_state", i915_error_state, 0},
{"i915_rstdby_delays", i915_rstdby_delays, 0},
{"i915_cur_delayinfo", i915_cur_delayinfo, 0},
@@ -1798,6 +1834,8 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_gem_framebuffer", i915_gem_framebuffer_info, 0},
{"i915_context_status", i915_context_status, 0},
{"i915_gen6_forcewake_count", i915_gen6_forcewake_count_info, 0},
+ {"i915_swizzle_info", i915_swizzle_info, 0},
+ {"i915_ppgtt_info", i915_ppgtt_info, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
@@ -1805,17 +1843,25 @@ int i915_debugfs_init(struct drm_minor *minor)
{
int ret;
- ret = i915_wedged_create(minor->debugfs_root, minor);
+ ret = i915_debugfs_create(minor->debugfs_root, minor,
+ "i915_wedged",
+ &i915_wedged_fops);
if (ret)
return ret;
ret = i915_forcewake_create(minor->debugfs_root, minor);
if (ret)
return ret;
- ret = i915_max_freq_create(minor->debugfs_root, minor);
+
+ ret = i915_debugfs_create(minor->debugfs_root, minor,
+ "i915_max_freq",
+ &i915_max_freq_fops);
if (ret)
return ret;
- ret = i915_cache_sharing_create(minor->debugfs_root, minor);
+
+ ret = i915_debugfs_create(minor->debugfs_root, minor,
+ "i915_cache_sharing",
+ &i915_cache_sharing_fops);
if (ret)
return ret;