diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 997 |
1 files changed, 438 insertions, 559 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 47d6c748057e..a6f4cb5af185 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -30,7 +30,8 @@ #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" @@ -90,41 +91,45 @@ static const char *get_tiling_flag(struct drm_i915_gem_object *obj) } } -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) { @@ -146,8 +151,9 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) 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; @@ -155,14 +161,15 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) 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); @@ -170,14 +177,75 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) } 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 += obj->gtt_space->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; + 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", @@ -187,10 +255,10 @@ static int i915_gem_object_list_info(struct seq_file *m, void *data) #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; \ } \ } \ @@ -209,7 +277,7 @@ static int per_file_stats(int id, void *ptr, void *data) 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 @@ -222,6 +290,17 @@ static int per_file_stats(int id, void *ptr, void *data) 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; @@ -230,7 +309,9 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 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); @@ -247,12 +328,12 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 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); @@ -267,11 +348,11 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 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) { @@ -287,10 +368,10 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 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; @@ -310,7 +391,7 @@ static int i915_gem_object_info(struct seq_file *m, void* data) 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; @@ -329,11 +410,11 @@ static int i915_gem_gtt_info(struct seq_file *m, void* data) 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++; } @@ -371,20 +452,22 @@ static int i915_gem_pageflip_info(struct seq_file *m, void *data) 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); @@ -424,7 +507,7 @@ static int i915_gem_request_info(struct seq_file *m, void *data) mutex_unlock(&dev->struct_mutex); if (count == 0) - seq_printf(m, "No requests\n"); + seq_puts(m, "No requests\n"); return 0; } @@ -574,10 +657,10 @@ static int i915_gem_fence_regs_info(struct seq_file *m, void *data) 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); @@ -606,361 +689,6 @@ static int i915_hws_info(struct seq_file *m, void *data) 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, @@ -986,9 +714,7 @@ i915_error_state_write(struct file *filp, 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) @@ -996,11 +722,7 @@ static int i915_error_state_open(struct inode *inode, struct file *file) 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; @@ -1011,8 +733,7 @@ static int i915_error_state_release(struct inode *inode, struct file *file) { 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; @@ -1025,40 +746,15 @@ static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, 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, @@ -1069,7 +765,7 @@ static ssize_t i915_error_state_read(struct file *file, char __user *userbuf, else *pos = error_str.start + ret_count; out: - kfree(error_str.buf); + i915_error_state_buf_release(&error_str); return ret ?: ret_count; } @@ -1161,7 +857,7 @@ 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, cagf; + u32 rpstat, cagf, reqf; u32 rpupei, rpcurup, rpprevup; u32 rpdownei, rpcurdown, rpprevdown; int max_freq; @@ -1173,6 +869,14 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) 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); @@ -1197,6 +901,7 @@ 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, "RPNSWREQ: %dMHz\n", reqf); seq_printf(m, "CAGF: %dMHz\n", cagf); seq_printf(m, "RP CUR UP EI: %dus\n", rpupei & GEN6_CURICONT_MASK); @@ -1246,7 +951,7 @@ static int i915_cur_delayinfo(struct seq_file *m, void *unused) (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; @@ -1341,28 +1046,28 @@ static int ironlake_drpc_info(struct seq_file *m) 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; } @@ -1377,20 +1082,19 @@ static int gen6_drpc_info(struct seq_file *m) 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)) @@ -1399,7 +1103,7 @@ static int gen6_drpc_info(struct seq_file *m) } 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); @@ -1423,25 +1127,25 @@ static int gen6_drpc_info(struct seq_file *m) 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; } @@ -1485,43 +1189,52 @@ static int i915_fbc_status(struct seq_file *m, void *unused) 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; } @@ -1604,7 +1317,7 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused) 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; } @@ -1612,7 +1325,7 @@ static int i915_ring_freq_table(struct seq_file *m, void *unused) 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; @@ -1701,7 +1414,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) 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); mutex_lock(&dev->mode_config.fb_lock); @@ -1716,7 +1429,7 @@ static int i915_gem_framebuffer_info(struct seq_file *m, void *data) 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); @@ -1736,22 +1449,22 @@ static int i915_context_status(struct seq_file *m, void *unused) 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"); + seq_putc(m, '\n'); } } @@ -1767,9 +1480,9 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data) 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); @@ -1778,7 +1491,7 @@ static int i915_gen6_forcewake_count_info(struct seq_file *m, void *data) 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: @@ -1868,7 +1581,7 @@ static int i915_ppgtt_info(struct seq_file *m, void *data) 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)); @@ -1886,7 +1599,7 @@ static int i915_dpio_info(struct seq_file *m, void *data) if (!IS_VALLEYVIEW(dev)) { - seq_printf(m, "unsupported\n"); + seq_puts(m, "unsupported\n"); return 0; } @@ -1924,6 +1637,194 @@ static int i915_dpio_info(struct seq_file *m, void *data) return 0; } +static int i915_llc(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; + + /* 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_edp_psr_status(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; + u32 psrstat, psrperf; + + if (!IS_HASWELL(dev)) { + seq_puts(m, "PSR not supported on this platform\n"); + } else if (IS_HASWELL(dev) && I915_READ(EDP_PSR_CTL) & EDP_PSR_ENABLE) { + seq_puts(m, "PSR enabled\n"); + } else { + seq_puts(m, "PSR disabled: "); + switch (dev_priv->no_psr_reason) { + case PSR_NO_SOURCE: + seq_puts(m, "not supported on this platform"); + break; + case PSR_NO_SINK: + seq_puts(m, "not supported by panel"); + break; + case PSR_MODULE_PARAM: + seq_puts(m, "disabled by flag"); + break; + case PSR_CRTC_NOT_ACTIVE: + seq_puts(m, "crtc not active"); + break; + case PSR_PWR_WELL_ENABLED: + seq_puts(m, "power well enabled"); + break; + case PSR_NOT_TILED: + seq_puts(m, "not tiled"); + break; + case PSR_SPRITE_ENABLED: + seq_puts(m, "sprite enabled"); + break; + case PSR_S3D_ENABLED: + seq_puts(m, "stereo 3d enabled"); + break; + case PSR_INTERLACED_ENABLED: + seq_puts(m, "interlaced enabled"); + break; + case PSR_HSW_NOT_DDIA: + seq_puts(m, "HSW ties PSR to DDI A (eDP)"); + break; + default: + seq_puts(m, "unknown reason"); + } + seq_puts(m, "\n"); + return 0; + } + + psrstat = I915_READ(EDP_PSR_STATUS_CTL); + + seq_puts(m, "PSR Current State: "); + switch (psrstat & EDP_PSR_STATUS_STATE_MASK) { + case EDP_PSR_STATUS_STATE_IDLE: + seq_puts(m, "Reset state\n"); + break; + case EDP_PSR_STATUS_STATE_SRDONACK: + seq_puts(m, "Wait for TG/Stream to send on frame of data after SRD conditions are met\n"); + break; + case EDP_PSR_STATUS_STATE_SRDENT: + seq_puts(m, "SRD entry\n"); + break; + case EDP_PSR_STATUS_STATE_BUFOFF: + seq_puts(m, "Wait for buffer turn off\n"); + break; + case EDP_PSR_STATUS_STATE_BUFON: + seq_puts(m, "Wait for buffer turn on\n"); + break; + case EDP_PSR_STATUS_STATE_AUXACK: + seq_puts(m, "Wait for AUX to acknowledge on SRD exit\n"); + break; + case EDP_PSR_STATUS_STATE_SRDOFFACK: + seq_puts(m, "Wait for TG/Stream to acknowledge the SRD VDM exit\n"); + break; + default: + seq_puts(m, "Unknown\n"); + break; + } + + seq_puts(m, "Link Status: "); + switch (psrstat & EDP_PSR_STATUS_LINK_MASK) { + case EDP_PSR_STATUS_LINK_FULL_OFF: + seq_puts(m, "Link is fully off\n"); + break; + case EDP_PSR_STATUS_LINK_FULL_ON: + seq_puts(m, "Link is fully on\n"); + break; + case EDP_PSR_STATUS_LINK_STANDBY: + seq_puts(m, "Link is in standby\n"); + break; + default: + seq_puts(m, "Unknown\n"); + break; + } + + seq_printf(m, "PSR Entry Count: %u\n", + psrstat >> EDP_PSR_STATUS_COUNT_SHIFT & + EDP_PSR_STATUS_COUNT_MASK); + + seq_printf(m, "Max Sleep Timer Counter: %u\n", + psrstat >> EDP_PSR_STATUS_MAX_SLEEP_TIMER_SHIFT & + EDP_PSR_STATUS_MAX_SLEEP_TIMER_MASK); + + seq_printf(m, "Had AUX error: %s\n", + yesno(psrstat & EDP_PSR_STATUS_AUX_ERROR)); + + seq_printf(m, "Sending AUX: %s\n", + yesno(psrstat & EDP_PSR_STATUS_AUX_SENDING)); + + seq_printf(m, "Sending Idle: %s\n", + yesno(psrstat & EDP_PSR_STATUS_SENDING_IDLE)); + + seq_printf(m, "Sending TP2 TP3: %s\n", + yesno(psrstat & EDP_PSR_STATUS_SENDING_TP2_TP3)); + + seq_printf(m, "Sending TP1: %s\n", + yesno(psrstat & EDP_PSR_STATUS_SENDING_TP1)); + + seq_printf(m, "Idle Count: %u\n", + psrstat & EDP_PSR_STATUS_IDLE_MASK); + + psrperf = (I915_READ(EDP_PSR_PERF_CNT)) & EDP_PSR_PERF_CNT_MASK; + seq_printf(m, "Performance Counter: %u\n", psrperf); + + return 0; +} + +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; +} + static int i915_wedged_get(void *data, u64 *val) { @@ -2006,6 +1907,8 @@ i915_drop_caches_set(void *data, u64 val) 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); @@ -2026,12 +1929,17 @@ i915_drop_caches_set(void *data, u64 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) { @@ -2326,6 +2234,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"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}, @@ -2353,64 +2262,42 @@ static struct drm_info_list i915_debugfs_list[] = { {"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) +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_gem_drop_caches", &i915_drop_caches_fops}, + {"i915_error_state", &i915_error_state_fops}, + {"i915_next_seqno", &i915_next_seqno_fops}, +}; + 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; + int ret, i; ret = i915_forcewake_create(minor->debugfs_root, minor); if (ret) return ret; - ret = i915_debugfs_create(minor->debugfs_root, minor, - "i915_max_freq", - &i915_max_freq_fops); - if (ret) - return ret; - - ret = i915_debugfs_create(minor->debugfs_root, minor, - "i915_min_freq", - &i915_min_freq_fops); - if (ret) - return ret; - - ret = i915_debugfs_create(minor->debugfs_root, minor, - "i915_cache_sharing", - &i915_cache_sharing_fops); - if (ret) - return ret; - - ret = i915_debugfs_create(minor->debugfs_root, minor, - "i915_ring_stop", - &i915_ring_stop_fops); - 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; + 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, @@ -2419,26 +2306,18 @@ int i915_debugfs_init(struct drm_minor *minor) void i915_debugfs_cleanup(struct drm_minor *minor) { + 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 < 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 */ |