diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_debugfs.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c new file mode 100644 index 00000000000..a1ac0c5e730 --- /dev/null +++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c @@ -0,0 +1,263 @@ +/* + * Copyright © 2008 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * Keith Packard <keithp@keithp.com> + * + */ + +#include <linux/seq_file.h> +#include "drmP.h" +#include "drm.h" +#include "i915_drm.h" +#include "i915_drv.h" + +#define DRM_I915_RING_DEBUG 1 + + +#if defined(CONFIG_DEBUG_FS) + +#define ACTIVE_LIST 1 +#define FLUSHING_LIST 2 +#define INACTIVE_LIST 3 + +static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv) +{ + if (obj_priv->user_pin_count > 0) + return "P"; + else if (obj_priv->pin_count > 0) + return "p"; + else + return " "; +} + +static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv) +{ + switch (obj_priv->tiling_mode) { + default: + case I915_TILING_NONE: return " "; + case I915_TILING_X: return "X"; + case I915_TILING_Y: return "Y"; + } +} + +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_priv; + spinlock_t *lock = NULL; + + switch (list) { + case ACTIVE_LIST: + seq_printf(m, "Active:\n"); + lock = &dev_priv->mm.active_list_lock; + spin_lock(lock); + head = &dev_priv->mm.active_list; + break; + case INACTIVE_LIST: + seq_printf(m, "Inctive:\n"); + head = &dev_priv->mm.inactive_list; + break; + case FLUSHING_LIST: + seq_printf(m, "Flushing:\n"); + head = &dev_priv->mm.flushing_list; + break; + default: + DRM_INFO("Ooops, unexpected list\n"); + return 0; + } + + list_for_each_entry(obj_priv, head, list) + { + struct drm_gem_object *obj = obj_priv->obj; + + seq_printf(m, " %p: %s %08x %08x %d", + obj, + get_pin_flag(obj_priv), + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + + if (obj->name) + seq_printf(m, " (name: %d)", obj->name); + if (obj_priv->fence_reg != I915_FENCE_REG_NONE) + seq_printf(m, " (fence: %d\n", obj_priv->fence_reg); + seq_printf(m, "\n"); + } + + if (lock) + spin_unlock(lock); + return 0; +} + +static int i915_gem_request_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + struct drm_i915_gem_request *gem_request; + + seq_printf(m, "Request:\n"); + list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) { + seq_printf(m, " %d @ %d\n", + gem_request->seqno, + (int) (jiffies - gem_request->emitted_jiffies)); + } + return 0; +} + +static int i915_gem_seqno_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + + if (dev_priv->hw_status_page != NULL) { + seq_printf(m, "Current sequence: %d\n", + i915_get_gem_seqno(dev)); + } else { + seq_printf(m, "Current sequence: hws uninitialized\n"); + } + seq_printf(m, "Waiter sequence: %d\n", + dev_priv->mm.waiting_gem_seqno); + seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno); + return 0; +} + + +static int i915_interrupt_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + + seq_printf(m, "Interrupt enable: %08x\n", + I915_READ(IER)); + seq_printf(m, "Interrupt identity: %08x\n", + I915_READ(IIR)); + seq_printf(m, "Interrupt mask: %08x\n", + I915_READ(IMR)); + seq_printf(m, "Pipe A stat: %08x\n", + I915_READ(PIPEASTAT)); + seq_printf(m, "Pipe B stat: %08x\n", + I915_READ(PIPEBSTAT)); + seq_printf(m, "Interrupts received: %d\n", + atomic_read(&dev_priv->irq_received)); + if (dev_priv->hw_status_page != NULL) { + seq_printf(m, "Current sequence: %d\n", + i915_get_gem_seqno(dev)); + } else { + seq_printf(m, "Current sequence: hws uninitialized\n"); + } + seq_printf(m, "Waiter sequence: %d\n", + dev_priv->mm.waiting_gem_seqno); + seq_printf(m, "IRQ sequence: %d\n", + dev_priv->mm.irq_gem_seqno); + return 0; +} + +static int i915_gem_fence_regs_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + int i; + + seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start); + seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs); + for (i = 0; i < dev_priv->num_fence_regs; i++) { + struct drm_gem_object *obj = dev_priv->fence_regs[i].obj; + + if (obj == NULL) { + seq_printf(m, "Fenced object[%2d] = unused\n", i); + } else { + struct drm_i915_gem_object *obj_priv; + + obj_priv = obj->driver_private; + seq_printf(m, "Fenced object[%2d] = %p: %s " + "%08x %08zx %08x %s %08x %08x %d", + i, obj, get_pin_flag(obj_priv), + obj_priv->gtt_offset, + obj->size, obj_priv->stride, + get_tiling_flag(obj_priv), + obj->read_domains, obj->write_domain, + obj_priv->last_rendering_seqno); + if (obj->name) + seq_printf(m, " (name: %d)", obj->name); + seq_printf(m, "\n"); + } + } + + return 0; +} + +static int i915_hws_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + drm_i915_private_t *dev_priv = dev->dev_private; + int i; + volatile u32 *hws; + + hws = (volatile u32 *)dev_priv->hw_status_page; + if (hws == NULL) + return 0; + + for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) { + seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n", + i * 4, + hws[i], hws[i + 1], hws[i + 2], hws[i + 3]); + } + return 0; +} + +static struct drm_info_list i915_gem_debugfs_list[] = { + {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST}, + {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST}, + {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST}, + {"i915_gem_request", i915_gem_request_info, 0}, + {"i915_gem_seqno", i915_gem_seqno_info, 0}, + {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0}, + {"i915_gem_interrupt", i915_interrupt_info, 0}, + {"i915_gem_hws", i915_hws_info, 0}, +}; +#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list) + +int i915_gem_debugfs_init(struct drm_minor *minor) +{ + return drm_debugfs_create_files(i915_gem_debugfs_list, + I915_GEM_DEBUGFS_ENTRIES, + minor->debugfs_root, minor); +} + +void i915_gem_debugfs_cleanup(struct drm_minor *minor) +{ + drm_debugfs_remove_files(i915_gem_debugfs_list, + I915_GEM_DEBUGFS_ENTRIES, minor); +} + +#endif /* CONFIG_DEBUG_FS */ + |