*/
#include <linux/seq_file.h>
+#include <linux/circ_buf.h>
+#include <linux/ctype.h>
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
-#include <generated/utsrelease.h>
+#include <linux/list_sort.h>
+#include <asm/msr-index.h>
#include <drm/drmP.h>
#include "intel_drv.h"
#include "intel_ringbuffer.h"
#include <drm/i915_drm.h>
#include "i915_drv.h"
-#define DRM_I915_RING_DEBUG 1
-
-
#if defined(CONFIG_DEBUG_FS)
enum {
return v ? "yes" : "no";
}
+/* As the drm_debugfs_init() routines are called before dev->dev_private is
+ * allocated we need to hook into the minor for release. */
+static int
+drm_add_fake_info_node(struct drm_minor *minor,
+ struct dentry *ent,
+ const void *key)
+{
+ struct drm_info_node *node;
+
+ node = kmalloc(sizeof(*node), GFP_KERNEL);
+ if (node == NULL) {
+ debugfs_remove(ent);
+ return -ENOMEM;
+ }
+
+ node->minor = minor;
+ node->dent = ent;
+ node->info_ent = (void *) key;
+
+ mutex_lock(&minor->debugfs_lock);
+ list_add(&node->list, &minor->debugfs_list);
+ mutex_unlock(&minor->debugfs_lock);
+
+ return 0;
+}
+
static int i915_capabilities(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
}
}
-static const char *cache_level_str(int type)
+static inline const char *get_global_flag(struct drm_i915_gem_object *obj)
{
- switch (type) {
- case I915_CACHE_NONE: return " uncached";
- case I915_CACHE_LLC: return " snooped (LLC)";
- case I915_CACHE_LLC_MLC: return " snooped (LLC+MLC)";
- default: return "";
- }
+ return obj->has_global_gtt_mapping ? "g" : " ";
}
static void
describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
{
- seq_printf(m, "%pK: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s",
+ struct i915_vma *vma;
+ seq_printf(m, "%pK: %s%s%s %8zdKiB %02x %02x %u %u %u%s%s%s",
&obj->base,
get_pin_flag(obj),
get_tiling_flag(obj),
+ get_global_flag(obj),
obj->base.size / 1024,
obj->base.read_domains,
obj->base.write_domain,
obj->last_read_seqno,
obj->last_write_seqno,
obj->last_fenced_seqno,
- cache_level_str(obj->cache_level),
+ i915_cache_level_str(obj->cache_level),
obj->dirty ? " dirty" : "",
obj->madv == I915_MADV_DONTNEED ? " purgeable" : "");
if (obj->base.name)
seq_printf(m, " (name: %d)", obj->base.name);
if (obj->pin_count)
seq_printf(m, " (pinned x %d)", obj->pin_count);
+ if (obj->pin_display)
+ seq_printf(m, " (display)");
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, size: %08x)",
- obj->gtt_offset, (unsigned int)obj->gtt_space->size);
+ list_for_each_entry(vma, &obj->vma_list, vma_link) {
+ if (!i915_is_ggtt(vma->vm))
+ seq_puts(m, " (pp");
+ else
+ seq_puts(m, " (g");
+ seq_printf(m, "gtt offset: %08lx, size: %08lx)",
+ vma->node.start, vma->node.size);
+ }
if (obj->stolen)
seq_printf(m, " (stolen: %08lx)", obj->stolen->start);
if (obj->pin_mappable || obj->fault_mappable) {
seq_printf(m, " (%s)", obj->ring->name);
}
+static void describe_ctx(struct seq_file *m, struct i915_hw_context *ctx)
+{
+ seq_putc(m, ctx->is_initialized ? 'I' : 'i');
+ seq_putc(m, ctx->remap_slice ? 'R' : 'r');
+ seq_putc(m, ' ');
+}
+
static int i915_gem_object_list_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
uintptr_t list = (uintptr_t) node->info_ent->data;
struct list_head *head;
struct drm_device *dev = node->minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct i915_address_space *vm = &dev_priv->gtt.base;
+ struct i915_vma *vma;
size_t total_obj_size, total_gtt_size;
int count, ret;
if (ret)
return ret;
+ /* FIXME: the user of this interface might want more than just GGTT */
switch (list) {
case ACTIVE_LIST:
- seq_printf(m, "Active:\n");
- head = &dev_priv->mm.active_list;
+ seq_puts(m, "Active:\n");
+ head = &vm->active_list;
break;
case INACTIVE_LIST:
- seq_printf(m, "Inactive:\n");
- head = &dev_priv->mm.inactive_list;
+ seq_puts(m, "Inactive:\n");
+ head = &vm->inactive_list;
break;
default:
mutex_unlock(&dev->struct_mutex);
}
total_obj_size = total_gtt_size = count = 0;
- list_for_each_entry(obj, head, mm_list) {
+ list_for_each_entry(vma, head, mm_list) {
seq_printf(m, " ");
- describe_obj(m, obj);
+ describe_obj(m, vma->obj);
seq_printf(m, "\n");
+ total_obj_size += vma->obj->base.size;
+ total_gtt_size += vma->node.size;
+ count++;
+ }
+ mutex_unlock(&dev->struct_mutex);
+
+ seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
+ count, total_obj_size, total_gtt_size);
+ return 0;
+}
+
+static int obj_rank_by_stolen(void *priv,
+ struct list_head *A, struct list_head *B)
+{
+ struct drm_i915_gem_object *a =
+ container_of(A, struct drm_i915_gem_object, obj_exec_link);
+ struct drm_i915_gem_object *b =
+ container_of(B, struct drm_i915_gem_object, obj_exec_link);
+
+ return a->stolen->start - b->stolen->start;
+}
+
+static int i915_gem_stolen_list_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;
+ struct drm_i915_gem_object *obj;
+ size_t total_obj_size, total_gtt_size;
+ LIST_HEAD(stolen);
+ int count, ret;
+
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+
+ total_obj_size = total_gtt_size = count = 0;
+ list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+ if (obj->stolen == NULL)
+ continue;
+
+ list_add(&obj->obj_exec_link, &stolen);
+
+ total_obj_size += obj->base.size;
+ total_gtt_size += i915_gem_obj_ggtt_size(obj);
+ count++;
+ }
+ list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list) {
+ if (obj->stolen == NULL)
+ continue;
+
+ list_add(&obj->obj_exec_link, &stolen);
+
total_obj_size += obj->base.size;
- total_gtt_size += obj->gtt_space->size;
count++;
}
+ list_sort(NULL, &stolen, obj_rank_by_stolen);
+ seq_puts(m, "Stolen:\n");
+ while (!list_empty(&stolen)) {
+ obj = list_first_entry(&stolen, typeof(*obj), obj_exec_link);
+ seq_puts(m, " ");
+ describe_obj(m, obj);
+ seq_putc(m, '\n');
+ list_del_init(&obj->obj_exec_link);
+ }
mutex_unlock(&dev->struct_mutex);
seq_printf(m, "Total %d objects, %zu bytes, %zu GTT size\n",
#define count_objects(list, member) do { \
list_for_each_entry(obj, list, member) { \
- size += obj->gtt_space->size; \
+ size += i915_gem_obj_ggtt_size(obj); \
++count; \
if (obj->map_and_fenceable) { \
- mappable_size += obj->gtt_space->size; \
+ mappable_size += i915_gem_obj_ggtt_size(obj); \
++mappable_count; \
} \
} \
stats->count++;
stats->total += obj->base.size;
- if (obj->gtt_space) {
+ if (i915_gem_obj_ggtt_bound(obj)) {
if (!list_empty(&obj->ring_list))
stats->active += obj->base.size;
else
return 0;
}
+#define count_vmas(list, member) do { \
+ list_for_each_entry(vma, list, member) { \
+ size += i915_gem_obj_ggtt_size(vma->obj); \
+ ++count; \
+ if (vma->obj->map_and_fenceable) { \
+ mappable_size += i915_gem_obj_ggtt_size(vma->obj); \
+ ++mappable_count; \
+ } \
+ } \
+} while (0)
+
static int i915_gem_object_info(struct seq_file *m, void* data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
u32 count, mappable_count, purgeable_count;
size_t size, mappable_size, purgeable_size;
struct drm_i915_gem_object *obj;
+ struct i915_address_space *vm = &dev_priv->gtt.base;
struct drm_file *file;
+ struct i915_vma *vma;
int ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
count, mappable_count, size, mappable_size);
size = count = mappable_size = mappable_count = 0;
- count_objects(&dev_priv->mm.active_list, mm_list);
+ count_vmas(&vm->active_list, mm_list);
seq_printf(m, " %u [%u] active objects, %zu [%zu] bytes\n",
count, mappable_count, size, mappable_size);
size = count = mappable_size = mappable_count = 0;
- count_objects(&dev_priv->mm.inactive_list, mm_list);
+ count_vmas(&vm->inactive_list, mm_list);
seq_printf(m, " %u [%u] inactive objects, %zu [%zu] bytes\n",
count, mappable_count, size, mappable_size);
size = count = mappable_size = mappable_count = 0;
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
if (obj->fault_mappable) {
- size += obj->gtt_space->size;
+ size += i915_gem_obj_ggtt_size(obj);
++count;
}
if (obj->pin_mappable) {
- mappable_size += obj->gtt_space->size;
+ mappable_size += i915_gem_obj_ggtt_size(obj);
++mappable_count;
}
if (obj->madv == I915_MADV_DONTNEED) {
count, size);
seq_printf(m, "%zu [%lu] gtt total\n",
- dev_priv->gtt.total,
- dev_priv->gtt.mappable_end - dev_priv->gtt.start);
+ dev_priv->gtt.base.total,
+ dev_priv->gtt.mappable_end - dev_priv->gtt.base.start);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
list_for_each_entry_reverse(file, &dev->filelist, lhead) {
struct file_stats stats;
return 0;
}
-static int i915_gem_gtt_info(struct seq_file *m, void* data)
+static int i915_gem_gtt_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;
if (list == PINNED_LIST && obj->pin_count == 0)
continue;
- seq_printf(m, " ");
+ seq_puts(m, " ");
describe_obj(m, obj);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
total_obj_size += obj->base.size;
- total_gtt_size += obj->gtt_space->size;
+ total_gtt_size += i915_gem_obj_ggtt_size(obj);
count++;
}
pipe, plane);
}
if (work->enable_stall_check)
- seq_printf(m, "Stall check enabled, ");
+ seq_puts(m, "Stall check enabled, ");
else
- seq_printf(m, "Stall check waiting for page flip ioctl, ");
+ seq_puts(m, "Stall check waiting for page flip ioctl, ");
seq_printf(m, "%d prepares\n", atomic_read(&work->pending));
if (work->old_fb_obj) {
struct drm_i915_gem_object *obj = work->old_fb_obj;
if (obj)
- seq_printf(m, "Old framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
+ seq_printf(m, "Old framebuffer gtt_offset 0x%08lx\n",
+ i915_gem_obj_ggtt_offset(obj));
}
if (work->pending_flip_obj) {
struct drm_i915_gem_object *obj = work->pending_flip_obj;
if (obj)
- seq_printf(m, "New framebuffer gtt_offset 0x%08x\n", obj->gtt_offset);
+ seq_printf(m, "New framebuffer gtt_offset 0x%08lx\n",
+ i915_gem_obj_ggtt_offset(obj));
}
}
spin_unlock_irqrestore(&dev->event_lock, flags);
mutex_unlock(&dev->struct_mutex);
if (count == 0)
- seq_printf(m, "No requests\n");
+ seq_puts(m, "No requests\n");
return 0;
}
seq_printf(m, "Fence %d, pin count = %d, object = ",
i, dev_priv->fence_regs[i].pin_count);
if (obj == NULL)
- seq_printf(m, "unused");
+ seq_puts(m, "unused");
else
describe_obj(m, obj);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
-static const char *ring_str(int ring)
-{
- switch (ring) {
- case RCS: return "render";
- case VCS: return "bsd";
- case BCS: return "blt";
- case VECS: return "vebox";
- default: return "";
- }
-}
-
-static const char *pin_flag(int pinned)
-{
- if (pinned > 0)
- return " P";
- else if (pinned < 0)
- return " p";
- else
- return "";
-}
-
-static const char *tiling_flag(int tiling)
-{
- switch (tiling) {
- default:
- case I915_TILING_NONE: return "";
- case I915_TILING_X: return " X";
- case I915_TILING_Y: return " Y";
- }
-}
-
-static const char *dirty_flag(int dirty)
-{
- return dirty ? " dirty" : "";
-}
-
-static const char *purgeable_flag(int purgeable)
-{
- return purgeable ? " purgeable" : "";
-}
-
-static bool __i915_error_ok(struct drm_i915_error_state_buf *e)
-{
-
- if (!e->err && WARN(e->bytes > (e->size - 1), "overflow")) {
- e->err = -ENOSPC;
- return false;
- }
-
- if (e->bytes == e->size - 1 || e->err)
- return false;
-
- return true;
-}
-
-static bool __i915_error_seek(struct drm_i915_error_state_buf *e,
- unsigned len)
-{
- if (e->pos + len <= e->start) {
- e->pos += len;
- return false;
- }
-
- /* First vsnprintf needs to fit in its entirety for memmove */
- if (len >= e->size) {
- e->err = -EIO;
- return false;
- }
-
- return true;
-}
-
-static void __i915_error_advance(struct drm_i915_error_state_buf *e,
- unsigned len)
-{
- /* If this is first printf in this window, adjust it so that
- * start position matches start of the buffer
- */
-
- if (e->pos < e->start) {
- const size_t off = e->start - e->pos;
-
- /* Should not happen but be paranoid */
- if (off > len || e->bytes) {
- e->err = -EIO;
- return;
- }
-
- memmove(e->buf, e->buf + off, len - off);
- e->bytes = len - off;
- e->pos = e->start;
- return;
- }
-
- e->bytes += len;
- e->pos += len;
-}
-
-static void i915_error_vprintf(struct drm_i915_error_state_buf *e,
- const char *f, va_list args)
-{
- unsigned len;
-
- if (!__i915_error_ok(e))
- return;
-
- /* Seek the first printf which is hits start position */
- if (e->pos < e->start) {
- len = vsnprintf(NULL, 0, f, args);
- if (!__i915_error_seek(e, len))
- return;
- }
-
- len = vsnprintf(e->buf + e->bytes, e->size - e->bytes, f, args);
- if (len >= e->size - e->bytes)
- len = e->size - e->bytes - 1;
-
- __i915_error_advance(e, len);
-}
-
-static void i915_error_puts(struct drm_i915_error_state_buf *e,
- const char *str)
-{
- unsigned len;
-
- if (!__i915_error_ok(e))
- return;
-
- len = strlen(str);
-
- /* Seek the first printf which is hits start position */
- if (e->pos < e->start) {
- if (!__i915_error_seek(e, len))
- return;
- }
-
- if (len >= e->size - e->bytes)
- len = e->size - e->bytes - 1;
- memcpy(e->buf + e->bytes, str, len);
-
- __i915_error_advance(e, len);
-}
-
-void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...)
-{
- va_list args;
-
- va_start(args, f);
- i915_error_vprintf(e, f, args);
- va_end(args);
-}
-
-#define err_printf(e, ...) i915_error_printf(e, __VA_ARGS__)
-#define err_puts(e, s) i915_error_puts(e, s)
-
-static void print_error_buffers(struct drm_i915_error_state_buf *m,
- const char *name,
- struct drm_i915_error_buffer *err,
- int count)
-{
- err_printf(m, "%s [%d]:\n", name, count);
-
- while (count--) {
- err_printf(m, " %08x %8u %02x %02x %x %x",
- err->gtt_offset,
- err->size,
- err->read_domains,
- err->write_domain,
- err->rseqno, err->wseqno);
- err_puts(m, pin_flag(err->pinned));
- err_puts(m, tiling_flag(err->tiling));
- err_puts(m, dirty_flag(err->dirty));
- err_puts(m, purgeable_flag(err->purgeable));
- err_puts(m, err->ring != -1 ? " " : "");
- err_puts(m, ring_str(err->ring));
- err_puts(m, cache_level_str(err->cache_level));
-
- if (err->name)
- err_printf(m, " (name: %d)", err->name);
- if (err->fence_reg != I915_FENCE_REG_NONE)
- err_printf(m, " (fence: %d)", err->fence_reg);
-
- err_puts(m, "\n");
- err++;
- }
-}
-
-static void i915_ring_error_state(struct drm_i915_error_state_buf *m,
- struct drm_device *dev,
- struct drm_i915_error_state *error,
- unsigned ring)
-{
- BUG_ON(ring >= I915_NUM_RINGS); /* shut up confused gcc */
- err_printf(m, "%s command stream:\n", ring_str(ring));
- err_printf(m, " HEAD: 0x%08x\n", error->head[ring]);
- err_printf(m, " TAIL: 0x%08x\n", error->tail[ring]);
- err_printf(m, " CTL: 0x%08x\n", error->ctl[ring]);
- err_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]);
- err_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]);
- err_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]);
- err_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]);
- if (ring == RCS && INTEL_INFO(dev)->gen >= 4)
- err_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr);
-
- if (INTEL_INFO(dev)->gen >= 4)
- err_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]);
- err_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]);
- err_printf(m, " FADDR: 0x%08x\n", error->faddr[ring]);
- if (INTEL_INFO(dev)->gen >= 6) {
- err_printf(m, " RC PSMI: 0x%08x\n", error->rc_psmi[ring]);
- err_printf(m, " FAULT_REG: 0x%08x\n", error->fault_reg[ring]);
- err_printf(m, " SYNC_0: 0x%08x [last synced 0x%08x]\n",
- error->semaphore_mboxes[ring][0],
- error->semaphore_seqno[ring][0]);
- err_printf(m, " SYNC_1: 0x%08x [last synced 0x%08x]\n",
- error->semaphore_mboxes[ring][1],
- error->semaphore_seqno[ring][1]);
- }
- err_printf(m, " seqno: 0x%08x\n", error->seqno[ring]);
- err_printf(m, " waiting: %s\n", yesno(error->waiting[ring]));
- err_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]);
- err_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]);
-}
-
-struct i915_error_state_file_priv {
- struct drm_device *dev;
- struct drm_i915_error_state *error;
-};
-
-
-static int i915_error_state(struct i915_error_state_file_priv *error_priv,
- struct drm_i915_error_state_buf *m)
-
-{
- struct drm_device *dev = error_priv->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_error_state *error = error_priv->error;
- struct intel_ring_buffer *ring;
- int i, j, page, offset, elt;
-
- if (!error) {
- err_printf(m, "no error state collected\n");
- return 0;
- }
-
- err_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
- error->time.tv_usec);
- err_printf(m, "Kernel: " UTS_RELEASE "\n");
- err_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
- err_printf(m, "EIR: 0x%08x\n", error->eir);
- err_printf(m, "IER: 0x%08x\n", error->ier);
- err_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er);
- err_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake);
- err_printf(m, "DERRMR: 0x%08x\n", error->derrmr);
- err_printf(m, "CCID: 0x%08x\n", error->ccid);
-
- for (i = 0; i < dev_priv->num_fence_regs; i++)
- err_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]);
-
- for (i = 0; i < ARRAY_SIZE(error->extra_instdone); i++)
- err_printf(m, " INSTDONE_%d: 0x%08x\n", i,
- error->extra_instdone[i]);
-
- if (INTEL_INFO(dev)->gen >= 6) {
- err_printf(m, "ERROR: 0x%08x\n", error->error);
- err_printf(m, "DONE_REG: 0x%08x\n", error->done_reg);
- }
-
- if (INTEL_INFO(dev)->gen == 7)
- err_printf(m, "ERR_INT: 0x%08x\n", error->err_int);
-
- for_each_ring(ring, dev_priv, i)
- i915_ring_error_state(m, dev, error, i);
-
- if (error->active_bo)
- print_error_buffers(m, "Active",
- error->active_bo,
- error->active_bo_count);
-
- if (error->pinned_bo)
- print_error_buffers(m, "Pinned",
- error->pinned_bo,
- error->pinned_bo_count);
-
- for (i = 0; i < ARRAY_SIZE(error->ring); i++) {
- struct drm_i915_error_object *obj;
-
- if ((obj = error->ring[i].batchbuffer)) {
- err_printf(m, "%s --- gtt_offset = 0x%08x\n",
- dev_priv->ring[i].name,
- obj->gtt_offset);
- offset = 0;
- for (page = 0; page < obj->page_count; page++) {
- for (elt = 0; elt < PAGE_SIZE/4; elt++) {
- err_printf(m, "%08x : %08x\n", offset,
- obj->pages[page][elt]);
- offset += 4;
- }
- }
- }
-
- if (error->ring[i].num_requests) {
- err_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++) {
- err_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)) {
- err_printf(m, "%s --- ringbuffer = 0x%08x\n",
- dev_priv->ring[i].name,
- obj->gtt_offset);
- offset = 0;
- for (page = 0; page < obj->page_count; page++) {
- for (elt = 0; elt < PAGE_SIZE/4; elt++) {
- err_printf(m, "%08x : %08x\n",
- offset,
- obj->pages[page][elt]);
- offset += 4;
- }
- }
- }
-
- obj = error->ring[i].ctx;
- if (obj) {
- err_printf(m, "%s --- HW Context = 0x%08x\n",
- dev_priv->ring[i].name,
- obj->gtt_offset);
- offset = 0;
- for (elt = 0; elt < PAGE_SIZE/16; elt += 4) {
- err_printf(m, "[%04x] %08x %08x %08x %08x\n",
- offset,
- obj->pages[0][elt],
- obj->pages[0][elt+1],
- obj->pages[0][elt+2],
- obj->pages[0][elt+3]);
- offset += 16;
- }
- }
- }
-
- if (error->overlay)
- intel_overlay_print_error_state(m, error->overlay);
-
- if (error->display)
- intel_display_print_error_state(m, dev, error->display);
-
- return 0;
-}
-
static ssize_t
i915_error_state_write(struct file *filp,
const char __user *ubuf,
static int i915_error_state_open(struct inode *inode, struct file *file)
{
struct drm_device *dev = inode->i_private;
- drm_i915_private_t *dev_priv = dev->dev_private;
struct i915_error_state_file_priv *error_priv;
- unsigned long flags;
error_priv = kzalloc(sizeof(*error_priv), GFP_KERNEL);
if (!error_priv)
error_priv->dev = dev;
- 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->gpu_error.lock, flags);
+ i915_error_state_get(dev, error_priv);
file->private_data = error_priv;
{
struct i915_error_state_file_priv *error_priv = file->private_data;
- if (error_priv->error)
- kref_put(&error_priv->error->ref, i915_error_state_free);
+ i915_error_state_put(error_priv);
kfree(error_priv);
return 0;
struct drm_i915_error_state_buf error_str;
loff_t tmp_pos = 0;
ssize_t ret_count = 0;
- int ret = 0;
-
- memset(&error_str, 0, sizeof(error_str));
-
- /* We need to have enough room to store any i915_error_state printf
- * so that we can move it to start position.
- */
- error_str.size = count + 1 > PAGE_SIZE ? count + 1 : PAGE_SIZE;
- error_str.buf = kmalloc(error_str.size,
- GFP_TEMPORARY | __GFP_NORETRY | __GFP_NOWARN);
-
- if (error_str.buf == NULL) {
- error_str.size = PAGE_SIZE;
- error_str.buf = kmalloc(error_str.size, GFP_TEMPORARY);
- }
-
- if (error_str.buf == NULL) {
- error_str.size = 128;
- error_str.buf = kmalloc(error_str.size, GFP_TEMPORARY);
- }
-
- if (error_str.buf == NULL)
- return -ENOMEM;
-
- error_str.start = *pos;
+ int ret;
- ret = i915_error_state(error_priv, &error_str);
+ ret = i915_error_state_buf_init(&error_str, count, *pos);
if (ret)
- goto out;
+ return ret;
- if (error_str.bytes == 0 && error_str.err) {
- ret = error_str.err;
+ ret = i915_error_state_to_str(&error_str, error_priv);
+ if (ret)
goto out;
- }
ret_count = simple_read_from_buffer(userbuf, count, &tmp_pos,
error_str.buf,
else
*pos = error_str.start + ret_count;
out:
- kfree(error_str.buf);
+ i915_error_state_buf_release(&error_str);
return ret ?: ret_count;
}
drm_i915_private_t *dev_priv = dev->dev_private;
int ret;
+ flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+
if (IS_GEN5(dev)) {
u16 rgvswctl = I915_READ16(MEMSWCTL);
u16 rgvstat = I915_READ16(MEMSTAT_ILK);
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, cagf;
+ u32 rpstat, cagf, reqf;
u32 rpupei, rpcurup, rpprevup;
u32 rpdownei, rpcurdown, rpprevdown;
int max_freq;
gen6_gt_force_wake_get(dev_priv);
+ reqf = I915_READ(GEN6_RPNSWREQ);
+ reqf &= ~GEN6_TURBO_DISABLE;
+ if (IS_HASWELL(dev))
+ reqf >>= 24;
+ else
+ reqf >>= 25;
+ reqf *= GT_FREQUENCY_MULTIPLIER;
+
rpstat = I915_READ(GEN6_RPSTAT1);
rpupei = I915_READ(GEN6_RP_CUR_UP_EI);
rpcurup = I915_READ(GEN6_RP_CUR_UP);
gt_perf_status & 0xff);
seq_printf(m, "Render p-state limit: %d\n",
rp_state_limits & 0xff);
+ seq_printf(m, "RPNSWREQ: %dMHz\n", reqf);
seq_printf(m, "CAGF: %dMHz\n", cagf);
seq_printf(m, "RP CUR UP EI: %dus\n", rpupei &
GEN6_CURICONT_MASK);
(freq_sts >> 8) & 0xff));
mutex_unlock(&dev_priv->rps.hw_lock);
} else {
- seq_printf(m, "no P-state info available\n");
+ seq_puts(m, "no P-state info available\n");
}
return 0;
seq_printf(m, "RS2 VID: %d\n", ((crstandvid >> 8) & 0x3f));
seq_printf(m, "Render standby enabled: %s\n",
(rstdbyctl & RCX_SW_EXIT) ? "no" : "yes");
- seq_printf(m, "Current RS state: ");
+ seq_puts(m, "Current RS state: ");
switch (rstdbyctl & RSX_STATUS_MASK) {
case RSX_STATUS_ON:
- seq_printf(m, "on\n");
+ seq_puts(m, "on\n");
break;
case RSX_STATUS_RC1:
- seq_printf(m, "RC1\n");
+ seq_puts(m, "RC1\n");
break;
case RSX_STATUS_RC1E:
- seq_printf(m, "RC1E\n");
+ seq_puts(m, "RC1E\n");
break;
case RSX_STATUS_RS1:
- seq_printf(m, "RS1\n");
+ seq_puts(m, "RS1\n");
break;
case RSX_STATUS_RS2:
- seq_printf(m, "RS2 (RC6)\n");
+ seq_puts(m, "RS2 (RC6)\n");
break;
case RSX_STATUS_RS3:
- seq_printf(m, "RC3 (RC6+)\n");
+ seq_puts(m, "RC3 (RC6+)\n");
break;
default:
- seq_printf(m, "unknown\n");
+ seq_puts(m, "unknown\n");
break;
}
struct drm_i915_private *dev_priv = dev->dev_private;
u32 rpmodectl1, gt_core_status, rcctl1, rc6vids = 0;
unsigned forcewake_count;
- int count=0, ret;
-
+ int count = 0, ret;
ret = mutex_lock_interruptible(&dev->struct_mutex);
if (ret)
return ret;
- spin_lock_irq(&dev_priv->gt_lock);
- forcewake_count = dev_priv->forcewake_count;
- spin_unlock_irq(&dev_priv->gt_lock);
+ spin_lock_irq(&dev_priv->uncore.lock);
+ forcewake_count = dev_priv->uncore.forcewake_count;
+ spin_unlock_irq(&dev_priv->uncore.lock);
if (forcewake_count) {
- seq_printf(m, "RC information inaccurate because somebody "
- "holds a forcewake reference \n");
+ seq_puts(m, "RC information inaccurate because somebody "
+ "holds a forcewake reference \n");
} else {
/* NB: we cannot use forcewake, else we read the wrong values */
while (count++ < 50 && (I915_READ_NOTRACE(FORCEWAKE_ACK) & 1))
}
gt_core_status = readl(dev_priv->regs + GEN6_GT_CORE_STATUS);
- trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4);
+ trace_i915_reg_rw(false, GEN6_GT_CORE_STATUS, gt_core_status, 4, true);
rpmodectl1 = I915_READ(GEN6_RP_CONTROL);
rcctl1 = I915_READ(GEN6_RC_CONTROL);
yesno(rcctl1 & GEN6_RC_CTL_RC6p_ENABLE));
seq_printf(m, "Deepest RC6 Enabled: %s\n",
yesno(rcctl1 & GEN6_RC_CTL_RC6pp_ENABLE));
- seq_printf(m, "Current RC state: ");
+ seq_puts(m, "Current RC state: ");
switch (gt_core_status & GEN6_RCn_MASK) {
case GEN6_RC0:
if (gt_core_status & GEN6_CORE_CPD_STATE_MASK)
- seq_printf(m, "Core Power Down\n");
+ seq_puts(m, "Core Power Down\n");
else
- seq_printf(m, "on\n");
+ seq_puts(m, "on\n");
break;
case GEN6_RC3:
- seq_printf(m, "RC3\n");
+ seq_puts(m, "RC3\n");
break;
case GEN6_RC6:
- seq_printf(m, "RC6\n");
+ seq_puts(m, "RC6\n");
break;
case GEN6_RC7:
- seq_printf(m, "RC7\n");
+ seq_puts(m, "RC7\n");
break;
default:
- seq_printf(m, "Unknown\n");
+ seq_puts(m, "Unknown\n");
break;
}
drm_i915_private_t *dev_priv = dev->dev_private;
if (!I915_HAS_FBC(dev)) {
- seq_printf(m, "FBC unsupported on this chipset\n");
+ seq_puts(m, "FBC unsupported on this chipset\n");
return 0;
}
if (intel_fbc_enabled(dev)) {
- seq_printf(m, "FBC enabled\n");
+ seq_puts(m, "FBC enabled\n");
} else {
- seq_printf(m, "FBC disabled: ");
- switch (dev_priv->no_fbc_reason) {
+ seq_puts(m, "FBC disabled: ");
+ switch (dev_priv->fbc.no_fbc_reason) {
+ case FBC_OK:
+ seq_puts(m, "FBC actived, but currently disabled in hardware");
+ break;
+ case FBC_UNSUPPORTED:
+ seq_puts(m, "unsupported by this chipset");
+ break;
case FBC_NO_OUTPUT:
- seq_printf(m, "no outputs");
+ seq_puts(m, "no outputs");
break;
case FBC_STOLEN_TOO_SMALL:
- seq_printf(m, "not enough stolen memory");
+ seq_puts(m, "not enough stolen memory");
break;
case FBC_UNSUPPORTED_MODE:
- seq_printf(m, "mode not supported");
+ seq_puts(m, "mode not supported");
break;
case FBC_MODE_TOO_LARGE:
- seq_printf(m, "mode too large");
+ seq_puts(m, "mode too large");
break;
case FBC_BAD_PLANE:
- seq_printf(m, "FBC unsupported on plane");
+ seq_puts(m, "FBC unsupported on plane");
break;
case FBC_NOT_TILED:
- seq_printf(m, "scanout buffer not tiled");
+ seq_puts(m, "scanout buffer not tiled");
break;
case FBC_MULTIPLE_PIPES:
- seq_printf(m, "multiple pipes are enabled");
+ seq_puts(m, "multiple pipes are enabled");
break;
case FBC_MODULE_PARAM:
- seq_printf(m, "disabled per module param (default off)");
+ seq_puts(m, "disabled per module param (default off)");
+ break;
+ case FBC_CHIP_DEFAULT:
+ seq_puts(m, "disabled per chip default");
break;
default:
- seq_printf(m, "unknown reason");
+ seq_puts(m, "unknown reason");
}
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
}
return 0;
}
int gpu_freq, ia_freq;
if (!(IS_GEN6(dev) || IS_GEN7(dev))) {
- seq_printf(m, "unsupported on this chipset\n");
+ seq_puts(m, "unsupported on this chipset\n");
return 0;
}
+ flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
if (ret)
return ret;
- seq_printf(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
+ seq_puts(m, "GPU freq (MHz)\tEffective CPU freq (MHz)\tEffective Ring freq (MHz)\n");
for (gpu_freq = dev_priv->rps.min_delay;
gpu_freq <= dev_priv->rps.max_delay;
{
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_fbdev *ifbdev = NULL;
struct intel_framebuffer *fb;
- int ret;
- ret = mutex_lock_interruptible(&dev->mode_config.mutex);
+#ifdef CONFIG_DRM_I915_FBDEV
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret = mutex_lock_interruptible(&dev->mode_config.mutex);
if (ret)
return ret;
fb->base.bits_per_pixel,
atomic_read(&fb->base.refcount.refcount));
describe_obj(m, fb->obj);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
mutex_unlock(&dev->mode_config.mutex);
+#endif
mutex_lock(&dev->mode_config.fb_lock);
list_for_each_entry(fb, &dev->mode_config.fb_list, base.head) {
fb->base.bits_per_pixel,
atomic_read(&fb->base.refcount.refcount));
describe_obj(m, fb->obj);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
}
mutex_unlock(&dev->mode_config.fb_lock);
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_ring_buffer *ring;
+ struct i915_hw_context *ctx;
int ret, i;
ret = mutex_lock_interruptible(&dev->mode_config.mutex);
return ret;
if (dev_priv->ips.pwrctx) {
- seq_printf(m, "power context ");
+ seq_puts(m, "power context ");
describe_obj(m, dev_priv->ips.pwrctx);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
}
if (dev_priv->ips.renderctx) {
- seq_printf(m, "render context ");
+ seq_puts(m, "render context ");
describe_obj(m, dev_priv->ips.renderctx);
- seq_printf(m, "\n");
+ seq_putc(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");
- }
+ list_for_each_entry(ctx, &dev_priv->context_list, link) {
+ seq_puts(m, "HW context ");
+ describe_ctx(m, ctx);
+ for_each_ring(ring, dev_priv, i)
+ if (ring->default_context == ctx)
+ seq_printf(m, "(default context %s) ", ring->name);
+
+ describe_obj(m, ctx->obj);
+ seq_putc(m, '\n');
}
mutex_unlock(&dev->mode_config.mutex);
struct drm_i915_private *dev_priv = dev->dev_private;
unsigned forcewake_count;
- spin_lock_irq(&dev_priv->gt_lock);
- forcewake_count = dev_priv->forcewake_count;
- spin_unlock_irq(&dev_priv->gt_lock);
+ spin_lock_irq(&dev_priv->uncore.lock);
+ forcewake_count = dev_priv->uncore.forcewake_count;
+ spin_unlock_irq(&dev_priv->uncore.lock);
seq_printf(m, "forcewake count = %u\n", forcewake_count);
static const char *swizzle_string(unsigned swizzle)
{
- switch(swizzle) {
+ switch (swizzle) {
case I915_BIT_6_SWIZZLE_NONE:
return "none";
case I915_BIT_6_SWIZZLE_9:
if (dev_priv->mm.aliasing_ppgtt) {
struct i915_hw_ppgtt *ppgtt = dev_priv->mm.aliasing_ppgtt;
- seq_printf(m, "aliasing PPGTT:\n");
+ seq_puts(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));
if (!IS_VALLEYVIEW(dev)) {
- seq_printf(m, "unsupported\n");
+ seq_puts(m, "unsupported\n");
return 0;
}
seq_printf(m, "DPIO_CTL: 0x%08x\n", I915_READ(DPIO_CTL));
seq_printf(m, "DPIO_DIV_A: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_DIV_A));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_DIV_A));
seq_printf(m, "DPIO_DIV_B: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_DIV_B));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_DIV_B));
seq_printf(m, "DPIO_REFSFR_A: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_REFSFR_A));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_REFSFR_A));
seq_printf(m, "DPIO_REFSFR_B: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_REFSFR_B));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_REFSFR_B));
seq_printf(m, "DPIO_CORE_CLK_A: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_CORE_CLK_A));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_CORE_CLK_A));
seq_printf(m, "DPIO_CORE_CLK_B: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_CORE_CLK_B));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_CORE_CLK_B));
seq_printf(m, "DPIO_LPF_COEFF_A: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_LPF_COEFF_A));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_LPF_COEFF_A));
seq_printf(m, "DPIO_LPF_COEFF_B: 0x%08x\n",
- vlv_dpio_read(dev_priv, _DPIO_LPF_COEFF_B));
+ vlv_dpio_read(dev_priv, PIPE_A, _DPIO_LPF_COEFF_B));
seq_printf(m, "DPIO_FASTCLK_DISABLE: 0x%08x\n",
- vlv_dpio_read(dev_priv, DPIO_FASTCLK_DISABLE));
+ vlv_dpio_read(dev_priv, PIPE_A, DPIO_FASTCLK_DISABLE));
mutex_unlock(&dev_priv->dpio_lock);
return 0;
}
-static int
-i915_wedged_get(void *data, u64 *val)
+static int i915_llc(struct seq_file *m, void *data)
{
- struct drm_device *dev = data;
- drm_i915_private_t *dev_priv = dev->dev_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;
- *val = atomic_read(&dev_priv->gpu_error.reset_counter);
+ /* Size calculation for LLC is a bit of a pain. Ignore for now. */
+ seq_printf(m, "LLC: %s\n", yesno(HAS_LLC(dev)));
+ seq_printf(m, "eLLC: %zuMB\n", dev_priv->ellc_size);
return 0;
}
-static int
-i915_wedged_set(void *data, u64 val)
+static int i915_edp_psr_status(struct seq_file *m, void *data)
{
- struct drm_device *dev = data;
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u32 psrperf = 0;
+ bool enabled = false;
- DRM_INFO("Manually setting wedged to %llu\n", val);
- i915_handle_error(dev, val);
+ seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support));
+ seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok));
+
+ enabled = HAS_PSR(dev) &&
+ I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE;
+ seq_printf(m, "Enabled: %s\n", yesno(enabled));
+
+ if (HAS_PSR(dev))
+ psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) &
+ EDP_PSR_PERF_CNT_MASK;
+ seq_printf(m, "Performance_Counter: %u\n", psrperf);
return 0;
}
-DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
- i915_wedged_get, i915_wedged_set,
+static int i915_energy_uJ(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ u64 power;
+ u32 units;
+
+ if (INTEL_INFO(dev)->gen < 6)
+ return -ENODEV;
+
+ rdmsrl(MSR_RAPL_POWER_UNIT, power);
+ power = (power & 0x1f00) >> 8;
+ units = 1000000 / (1 << power); /* convert to uJ */
+ power = I915_READ(MCH_SECP_NRG_STTS);
+ power *= units;
+
+ seq_printf(m, "%llu", (long long unsigned)power);
+
+ return 0;
+}
+
+static int i915_pc8_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 = dev->dev_private;
+
+ if (!IS_HASWELL(dev)) {
+ seq_puts(m, "not supported\n");
+ return 0;
+ }
+
+ mutex_lock(&dev_priv->pc8.lock);
+ seq_printf(m, "Requirements met: %s\n",
+ yesno(dev_priv->pc8.requirements_met));
+ seq_printf(m, "GPU idle: %s\n", yesno(dev_priv->pc8.gpu_idle));
+ seq_printf(m, "Disable count: %d\n", dev_priv->pc8.disable_count);
+ seq_printf(m, "IRQs disabled: %s\n",
+ yesno(dev_priv->pc8.irqs_disabled));
+ seq_printf(m, "Enabled: %s\n", yesno(dev_priv->pc8.enabled));
+ mutex_unlock(&dev_priv->pc8.lock);
+
+ return 0;
+}
+
+struct pipe_crc_info {
+ const char *name;
+ struct drm_device *dev;
+ enum pipe pipe;
+};
+
+static int i915_pipe_crc_open(struct inode *inode, struct file *filep)
+{
+ struct pipe_crc_info *info = inode->i_private;
+ struct drm_i915_private *dev_priv = info->dev->dev_private;
+ struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
+
+ if (!atomic_dec_and_test(&pipe_crc->available)) {
+ atomic_inc(&pipe_crc->available);
+ return -EBUSY; /* already open */
+ }
+
+ filep->private_data = inode->i_private;
+
+ return 0;
+}
+
+static int i915_pipe_crc_release(struct inode *inode, struct file *filep)
+{
+ struct pipe_crc_info *info = inode->i_private;
+ struct drm_i915_private *dev_priv = info->dev->dev_private;
+ struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
+
+ atomic_inc(&pipe_crc->available); /* release the device */
+
+ return 0;
+}
+
+/* (6 fields, 8 chars each, space separated (5) + '\n') */
+#define PIPE_CRC_LINE_LEN (6 * 8 + 5 + 1)
+/* account for \'0' */
+#define PIPE_CRC_BUFFER_LEN (PIPE_CRC_LINE_LEN + 1)
+
+static int pipe_crc_data_count(struct intel_pipe_crc *pipe_crc)
+{
+ int head, tail;
+
+ head = atomic_read(&pipe_crc->head);
+ tail = atomic_read(&pipe_crc->tail);
+
+ return CIRC_CNT(head, tail, INTEL_PIPE_CRC_ENTRIES_NR);
+}
+
+static ssize_t
+i915_pipe_crc_read(struct file *filep, char __user *user_buf, size_t count,
+ loff_t *pos)
+{
+ struct pipe_crc_info *info = filep->private_data;
+ struct drm_device *dev = info->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[info->pipe];
+ char buf[PIPE_CRC_BUFFER_LEN];
+ int head, tail, n_entries, n;
+ ssize_t bytes_read;
+
+ /*
+ * Don't allow user space to provide buffers not big enough to hold
+ * a line of data.
+ */
+ if (count < PIPE_CRC_LINE_LEN)
+ return -EINVAL;
+
+ if (pipe_crc->source == INTEL_PIPE_CRC_SOURCE_NONE)
+ return 0;
+
+ /* nothing to read */
+ while (pipe_crc_data_count(pipe_crc) == 0) {
+ if (filep->f_flags & O_NONBLOCK)
+ return -EAGAIN;
+
+ if (wait_event_interruptible(pipe_crc->wq,
+ pipe_crc_data_count(pipe_crc)))
+ return -ERESTARTSYS;
+ }
+
+ /* We now have one or more entries to read */
+ head = atomic_read(&pipe_crc->head);
+ tail = atomic_read(&pipe_crc->tail);
+ n_entries = min((size_t)CIRC_CNT(head, tail, INTEL_PIPE_CRC_ENTRIES_NR),
+ count / PIPE_CRC_LINE_LEN);
+ bytes_read = 0;
+ n = 0;
+ do {
+ struct intel_pipe_crc_entry *entry = &pipe_crc->entries[tail];
+ int ret;
+
+ bytes_read += snprintf(buf, PIPE_CRC_BUFFER_LEN,
+ "%8u %8x %8x %8x %8x %8x\n",
+ entry->frame, entry->crc[0],
+ entry->crc[1], entry->crc[2],
+ entry->crc[3], entry->crc[4]);
+
+ ret = copy_to_user(user_buf + n * PIPE_CRC_LINE_LEN,
+ buf, PIPE_CRC_LINE_LEN);
+ if (ret == PIPE_CRC_LINE_LEN)
+ return -EFAULT;
+
+ BUILD_BUG_ON_NOT_POWER_OF_2(INTEL_PIPE_CRC_ENTRIES_NR);
+ tail = (tail + 1) & (INTEL_PIPE_CRC_ENTRIES_NR - 1);
+ atomic_set(&pipe_crc->tail, tail);
+ n++;
+ } while (--n_entries);
+
+ return bytes_read;
+}
+
+static const struct file_operations i915_pipe_crc_fops = {
+ .owner = THIS_MODULE,
+ .open = i915_pipe_crc_open,
+ .read = i915_pipe_crc_read,
+ .release = i915_pipe_crc_release,
+};
+
+static struct pipe_crc_info i915_pipe_crc_data[I915_MAX_PIPES] = {
+ {
+ .name = "i915_pipe_A_crc",
+ .pipe = PIPE_A,
+ },
+ {
+ .name = "i915_pipe_B_crc",
+ .pipe = PIPE_B,
+ },
+ {
+ .name = "i915_pipe_C_crc",
+ .pipe = PIPE_C,
+ },
+};
+
+static int i915_pipe_crc_create(struct dentry *root, struct drm_minor *minor,
+ enum pipe pipe)
+{
+ struct drm_device *dev = minor->dev;
+ struct dentry *ent;
+ struct pipe_crc_info *info = &i915_pipe_crc_data[pipe];
+
+ info->dev = dev;
+ ent = debugfs_create_file(info->name, S_IRUGO, root, info,
+ &i915_pipe_crc_fops);
+ if (IS_ERR(ent))
+ return PTR_ERR(ent);
+
+ return drm_add_fake_info_node(minor, ent, info);
+}
+
+static const char * const pipe_crc_sources[] = {
+ "none",
+ "plane1",
+ "plane2",
+ "pf",
+};
+
+static const char *pipe_crc_source_name(enum intel_pipe_crc_source source)
+{
+ BUILD_BUG_ON(ARRAY_SIZE(pipe_crc_sources) != INTEL_PIPE_CRC_SOURCE_MAX);
+ return pipe_crc_sources[source];
+}
+
+static int display_crc_ctl_show(struct seq_file *m, void *data)
+{
+ struct drm_device *dev = m->private;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
+
+ for (i = 0; i < I915_MAX_PIPES; i++)
+ seq_printf(m, "%c %s\n", pipe_name(i),
+ pipe_crc_source_name(dev_priv->pipe_crc[i].source));
+
+ return 0;
+}
+
+static int display_crc_ctl_open(struct inode *inode, struct file *file)
+{
+ struct drm_device *dev = inode->i_private;
+
+ return single_open(file, display_crc_ctl_show, dev);
+}
+
+static int pipe_crc_set_source(struct drm_device *dev, enum pipe pipe,
+ enum intel_pipe_crc_source source)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[pipe];
+ u32 val;
+
+ if (!IS_IVYBRIDGE(dev))
+ return -ENODEV;
+
+ if (pipe_crc->source == source)
+ return 0;
+
+ /* forbid changing the source without going back to 'none' */
+ if (pipe_crc->source && source)
+ return -EINVAL;
+
+ /* none -> real source transition */
+ if (source) {
+ DRM_DEBUG_DRIVER("collecting CRCs for pipe %c, %s\n",
+ pipe_name(pipe), pipe_crc_source_name(source));
+
+ pipe_crc->entries = kzalloc(sizeof(*pipe_crc->entries) *
+ INTEL_PIPE_CRC_ENTRIES_NR,
+ GFP_KERNEL);
+ if (!pipe_crc->entries)
+ return -ENOMEM;
+
+ atomic_set(&pipe_crc->head, 0);
+ atomic_set(&pipe_crc->tail, 0);
+ }
+
+ pipe_crc->source = source;
+
+ switch (source) {
+ case INTEL_PIPE_CRC_SOURCE_PLANE1:
+ val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PRIMARY_IVB;
+ break;
+ case INTEL_PIPE_CRC_SOURCE_PLANE2:
+ val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_SPRITE_IVB;
+ break;
+ case INTEL_PIPE_CRC_SOURCE_PF:
+ val = PIPE_CRC_ENABLE | PIPE_CRC_SOURCE_PF_IVB;
+ break;
+ case INTEL_PIPE_CRC_SOURCE_NONE:
+ default:
+ val = 0;
+ break;
+ }
+
+ I915_WRITE(PIPE_CRC_CTL(pipe), val);
+ POSTING_READ(PIPE_CRC_CTL(pipe));
+
+ /* real source -> none transition */
+ if (source == INTEL_PIPE_CRC_SOURCE_NONE) {
+ DRM_DEBUG_DRIVER("stopping CRCs for pipe %c\n",
+ pipe_name(pipe));
+
+ kfree(pipe_crc->entries);
+ pipe_crc->entries = NULL;
+ }
+
+ return 0;
+}
+
+/*
+ * Parse pipe CRC command strings:
+ * command: wsp* object wsp+ name wsp+ source wsp*
+ * object: 'pipe'
+ * name: (A | B | C)
+ * source: (none | plane1 | plane2 | pf)
+ * wsp: (#0x20 | #0x9 | #0xA)+
+ *
+ * eg.:
+ * "pipe A plane1" -> Start CRC computations on plane1 of pipe A
+ * "pipe A none" -> Stop CRC
+ */
+static int display_crc_ctl_tokenize(char *buf, char *words[], int max_words)
+{
+ int n_words = 0;
+
+ while (*buf) {
+ char *end;
+
+ /* skip leading white space */
+ buf = skip_spaces(buf);
+ if (!*buf)
+ break; /* end of buffer */
+
+ /* find end of word */
+ for (end = buf; *end && !isspace(*end); end++)
+ ;
+
+ if (n_words == max_words) {
+ DRM_DEBUG_DRIVER("too many words, allowed <= %d\n",
+ max_words);
+ return -EINVAL; /* ran out of words[] before bytes */
+ }
+
+ if (*end)
+ *end++ = '\0';
+ words[n_words++] = buf;
+ buf = end;
+ }
+
+ return n_words;
+}
+
+enum intel_pipe_crc_object {
+ PIPE_CRC_OBJECT_PIPE,
+};
+
+static const char * const pipe_crc_objects[] = {
+ "pipe",
+};
+
+static int
+display_crc_ctl_parse_object(const char *buf, enum intel_pipe_crc_object *o)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pipe_crc_objects); i++)
+ if (!strcmp(buf, pipe_crc_objects[i])) {
+ *o = i;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int display_crc_ctl_parse_pipe(const char *buf, enum pipe *pipe)
+{
+ const char name = buf[0];
+
+ if (name < 'A' || name >= pipe_name(I915_MAX_PIPES))
+ return -EINVAL;
+
+ *pipe = name - 'A';
+
+ return 0;
+}
+
+static int
+display_crc_ctl_parse_source(const char *buf, enum intel_pipe_crc_source *s)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(pipe_crc_sources); i++)
+ if (!strcmp(buf, pipe_crc_sources[i])) {
+ *s = i;
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+static int display_crc_ctl_parse(struct drm_device *dev, char *buf, size_t len)
+{
+#define N_WORDS 3
+ int n_words;
+ char *words[N_WORDS];
+ enum pipe pipe;
+ enum intel_pipe_crc_object object;
+ enum intel_pipe_crc_source source;
+
+ n_words = display_crc_ctl_tokenize(buf, words, N_WORDS);
+ if (n_words != N_WORDS) {
+ DRM_DEBUG_DRIVER("tokenize failed, a command is %d words\n",
+ N_WORDS);
+ return -EINVAL;
+ }
+
+ if (display_crc_ctl_parse_object(words[0], &object) < 0) {
+ DRM_DEBUG_DRIVER("unknown object %s\n", words[0]);
+ return -EINVAL;
+ }
+
+ if (display_crc_ctl_parse_pipe(words[1], &pipe) < 0) {
+ DRM_DEBUG_DRIVER("unknown pipe %s\n", words[1]);
+ return -EINVAL;
+ }
+
+ if (display_crc_ctl_parse_source(words[2], &source) < 0) {
+ DRM_DEBUG_DRIVER("unknown source %s\n", words[2]);
+ return -EINVAL;
+ }
+
+ return pipe_crc_set_source(dev, pipe, source);
+}
+
+static ssize_t display_crc_ctl_write(struct file *file, const char __user *ubuf,
+ size_t len, loff_t *offp)
+{
+ struct seq_file *m = file->private_data;
+ struct drm_device *dev = m->private;
+ char *tmpbuf;
+ int ret;
+
+ if (len == 0)
+ return 0;
+
+ if (len > PAGE_SIZE - 1) {
+ DRM_DEBUG_DRIVER("expected <%lu bytes into pipe crc control\n",
+ PAGE_SIZE);
+ return -E2BIG;
+ }
+
+ tmpbuf = kmalloc(len + 1, GFP_KERNEL);
+ if (!tmpbuf)
+ return -ENOMEM;
+
+ if (copy_from_user(tmpbuf, ubuf, len)) {
+ ret = -EFAULT;
+ goto out;
+ }
+ tmpbuf[len] = '\0';
+
+ ret = display_crc_ctl_parse(dev, tmpbuf, len);
+
+out:
+ kfree(tmpbuf);
+ if (ret < 0)
+ return ret;
+
+ *offp += len;
+ return len;
+}
+
+static const struct file_operations i915_display_crc_ctl_fops = {
+ .owner = THIS_MODULE,
+ .open = display_crc_ctl_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = display_crc_ctl_write
+};
+
+static int
+i915_wedged_get(void *data, u64 *val)
+{
+ struct drm_device *dev = data;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ *val = atomic_read(&dev_priv->gpu_error.reset_counter);
+
+ return 0;
+}
+
+static int
+i915_wedged_set(void *data, u64 val)
+{
+ struct drm_device *dev = data;
+
+ DRM_INFO("Manually setting wedged to %llu\n", val);
+ i915_handle_error(dev, val);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_wedged_fops,
+ i915_wedged_get, i915_wedged_set,
"%llu\n");
static int
i915_ring_stop_get, i915_ring_stop_set,
"0x%08llx\n");
+static int
+i915_ring_missed_irq_get(void *data, u64 *val)
+{
+ struct drm_device *dev = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ *val = dev_priv->gpu_error.missed_irq_rings;
+ return 0;
+}
+
+static int
+i915_ring_missed_irq_set(void *data, u64 val)
+{
+ struct drm_device *dev = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ /* Lock against concurrent debugfs callers */
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+ dev_priv->gpu_error.missed_irq_rings = val;
+ mutex_unlock(&dev->struct_mutex);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_ring_missed_irq_fops,
+ i915_ring_missed_irq_get, i915_ring_missed_irq_set,
+ "0x%08llx\n");
+
+static int
+i915_ring_test_irq_get(void *data, u64 *val)
+{
+ struct drm_device *dev = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+
+ *val = dev_priv->gpu_error.test_irq_rings;
+
+ return 0;
+}
+
+static int
+i915_ring_test_irq_set(void *data, u64 val)
+{
+ struct drm_device *dev = data;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int ret;
+
+ DRM_DEBUG_DRIVER("Masking interrupts on rings 0x%08llx\n", val);
+
+ /* Lock against concurrent debugfs callers */
+ ret = mutex_lock_interruptible(&dev->struct_mutex);
+ if (ret)
+ return ret;
+
+ dev_priv->gpu_error.test_irq_rings = val;
+ mutex_unlock(&dev->struct_mutex);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(i915_ring_test_irq_fops,
+ i915_ring_test_irq_get, i915_ring_test_irq_set,
+ "0x%08llx\n");
+
#define DROP_UNBOUND 0x1
#define DROP_BOUND 0x2
#define DROP_RETIRE 0x4
struct drm_device *dev = data;
struct drm_i915_private *dev_priv = dev->dev_private;
struct drm_i915_gem_object *obj, *next;
+ struct i915_address_space *vm;
+ struct i915_vma *vma, *x;
int ret;
DRM_DEBUG_DRIVER("Dropping caches: 0x%08llx\n", val);
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);
+ list_for_each_entry(vm, &dev_priv->vm_list, global_link) {
+ list_for_each_entry_safe(vma, x, &vm->inactive_list,
+ mm_list) {
+ if (vma->obj->pin_count)
+ continue;
+
+ ret = i915_vma_unbind(vma);
if (ret)
goto unlock;
}
+ }
}
if (val & DROP_UNBOUND) {
if (!(IS_GEN6(dev) || IS_GEN7(dev)))
return -ENODEV;
+ flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
if (ret)
return ret;
if (!(IS_GEN6(dev) || IS_GEN7(dev)))
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);
if (!(IS_GEN6(dev) || IS_GEN7(dev)))
return -ENODEV;
+ flush_delayed_work(&dev_priv->rps.delayed_resume_work);
+
ret = mutex_lock_interruptible(&dev_priv->rps.hw_lock);
if (ret)
return ret;
if (!(IS_GEN6(dev) || IS_GEN7(dev)))
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);
i915_cache_sharing_get, i915_cache_sharing_set,
"%llu\n");
-/* As the drm_debugfs_init() routines are called before dev->dev_private is
- * allocated we need to hook into the minor for release. */
-static int
-drm_add_fake_info_node(struct drm_minor *minor,
- struct dentry *ent,
- const void *key)
-{
- struct drm_info_node *node;
-
- node = kmalloc(sizeof(struct drm_info_node), GFP_KERNEL);
- if (node == NULL) {
- debugfs_remove(ent);
- return -ENOMEM;
- }
-
- node->minor = minor;
- node->dent = ent;
- node->info_ent = (void *) key;
-
- mutex_lock(&minor->debugfs_lock);
- list_add(&node->list, &minor->debugfs_list);
- mutex_unlock(&minor->debugfs_lock);
-
- return 0;
-}
-
static int i915_forcewake_open(struct inode *inode, struct file *file)
{
struct drm_device *dev = inode->i_private;
{"i915_gem_pinned", i915_gem_gtt_info, 0, (void *) PINNED_LIST},
{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
+ {"i915_gem_stolen", i915_gem_stolen_list_info },
{"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_swizzle_info", i915_swizzle_info, 0},
{"i915_ppgtt_info", i915_ppgtt_info, 0},
{"i915_dpio", i915_dpio_info, 0},
+ {"i915_llc", i915_llc, 0},
+ {"i915_edp_psr_status", i915_edp_psr_status, 0},
+ {"i915_energy_uJ", i915_energy_uJ, 0},
+ {"i915_pc8_status", i915_pc8_status, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
-int i915_debugfs_init(struct drm_minor *minor)
-{
- int ret;
-
- 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;
+static struct i915_debugfs_files {
+ const char *name;
+ const struct file_operations *fops;
+} i915_debugfs_files[] = {
+ {"i915_wedged", &i915_wedged_fops},
+ {"i915_max_freq", &i915_max_freq_fops},
+ {"i915_min_freq", &i915_min_freq_fops},
+ {"i915_cache_sharing", &i915_cache_sharing_fops},
+ {"i915_ring_stop", &i915_ring_stop_fops},
+ {"i915_ring_missed_irq", &i915_ring_missed_irq_fops},
+ {"i915_ring_test_irq", &i915_ring_test_irq_fops},
+ {"i915_gem_drop_caches", &i915_drop_caches_fops},
+ {"i915_error_state", &i915_error_state_fops},
+ {"i915_next_seqno", &i915_next_seqno_fops},
+ {"i915_display_crc_ctl", &i915_display_crc_ctl_fops},
+};
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_max_freq",
- &i915_max_freq_fops);
- if (ret)
- return ret;
+void intel_display_crc_init(struct drm_device *dev)
+{
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ int i;
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_min_freq",
- &i915_min_freq_fops);
- if (ret)
- return ret;
+ for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
+ struct intel_pipe_crc *pipe_crc = &dev_priv->pipe_crc[i];
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_cache_sharing",
- &i915_cache_sharing_fops);
- if (ret)
- return ret;
+ atomic_set(&pipe_crc->available, 1);
+ init_waitqueue_head(&pipe_crc->wq);
+ }
+}
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_ring_stop",
- &i915_ring_stop_fops);
- if (ret)
- return ret;
+int i915_debugfs_init(struct drm_minor *minor)
+{
+ int ret, i;
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_gem_drop_caches",
- &i915_drop_caches_fops);
+ ret = i915_forcewake_create(minor->debugfs_root, minor);
if (ret)
return ret;
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_error_state",
- &i915_error_state_fops);
- if (ret)
- return ret;
+ for (i = 0; i < ARRAY_SIZE(i915_pipe_crc_data); i++) {
+ ret = i915_pipe_crc_create(minor->debugfs_root, minor, i);
+ if (ret)
+ return ret;
+ }
- ret = i915_debugfs_create(minor->debugfs_root, minor,
- "i915_next_seqno",
- &i915_next_seqno_fops);
- if (ret)
- return ret;
+ for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
+ ret = i915_debugfs_create(minor->debugfs_root, minor,
+ i915_debugfs_files[i].name,
+ i915_debugfs_files[i].fops);
+ if (ret)
+ return ret;
+ }
return drm_debugfs_create_files(i915_debugfs_list,
I915_DEBUGFS_ENTRIES,
void i915_debugfs_cleanup(struct drm_minor *minor)
{
+ struct drm_device *dev = minor->dev;
+ int i;
+
drm_debugfs_remove_files(i915_debugfs_list,
I915_DEBUGFS_ENTRIES, minor);
+
drm_debugfs_remove_files((struct drm_info_list *) &i915_forcewake_fops,
1, minor);
- drm_debugfs_remove_files((struct drm_info_list *) &i915_wedged_fops,
- 1, minor);
- drm_debugfs_remove_files((struct drm_info_list *) &i915_max_freq_fops,
- 1, minor);
- drm_debugfs_remove_files((struct drm_info_list *) &i915_min_freq_fops,
- 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);
+
+ for (i = 0; i < INTEL_INFO(dev)->num_pipes; i++) {
+ struct drm_info_list *info_list =
+ (struct drm_info_list *)&i915_pipe_crc_data[i];
+
+ drm_debugfs_remove_files(info_list, 1, minor);
+ }
+
+ for (i = 0; i < ARRAY_SIZE(i915_debugfs_files); i++) {
+ struct drm_info_list *info_list =
+ (struct drm_info_list *) i915_debugfs_files[i].fops;
+
+ drm_debugfs_remove_files(info_list, 1, minor);
+ }
}
#endif /* CONFIG_DEBUG_FS */
projects / deliverable / linux.git / blobdiff