diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_ring.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 6579eb4c1f28..e50513a62735 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -34,6 +34,36 @@ int radeon_debugfs_ib_init(struct radeon_device *rdev); +void radeon_ib_bogus_cleanup(struct radeon_device *rdev) +{ + struct radeon_ib *ib, *n; + + list_for_each_entry_safe(ib, n, &rdev->ib_pool.bogus_ib, list) { + list_del(&ib->list); + vfree(ib->ptr); + kfree(ib); + } +} + +void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib) +{ + struct radeon_ib *bib; + + bib = kmalloc(sizeof(*bib), GFP_KERNEL); + if (bib == NULL) + return; + bib->ptr = vmalloc(ib->length_dw * 4); + if (bib->ptr == NULL) { + kfree(bib); + return; + } + memcpy(bib->ptr, ib->ptr, ib->length_dw * 4); + bib->length_dw = ib->length_dw; + mutex_lock(&rdev->ib_pool.mutex); + list_add_tail(&bib->list, &rdev->ib_pool.bogus_ib); + mutex_unlock(&rdev->ib_pool.mutex); +} + /* * IB. */ @@ -142,6 +172,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev) if (rdev->ib_pool.robj) return 0; + INIT_LIST_HEAD(&rdev->ib_pool.bogus_ib); /* Allocate 1M object buffer */ r = radeon_bo_create(rdev, NULL, RADEON_IB_POOL_SIZE*64*1024, true, RADEON_GEM_DOMAIN_GTT, @@ -192,6 +223,8 @@ void radeon_ib_pool_fini(struct radeon_device *rdev) return; } mutex_lock(&rdev->ib_pool.mutex); + radeon_ib_bogus_cleanup(rdev); + if (rdev->ib_pool.robj) { r = radeon_bo_reserve(rdev->ib_pool.robj, false); if (likely(r == 0)) { @@ -349,15 +382,49 @@ static int radeon_debugfs_ib_info(struct seq_file *m, void *data) return 0; } +static int radeon_debugfs_ib_bogus_info(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct radeon_device *rdev = node->info_ent->data; + struct radeon_ib *ib; + unsigned i; + + mutex_lock(&rdev->ib_pool.mutex); + if (list_empty(&rdev->ib_pool.bogus_ib)) { + mutex_unlock(&rdev->ib_pool.mutex); + seq_printf(m, "no bogus IB recorded\n"); + return 0; + } + ib = list_first_entry(&rdev->ib_pool.bogus_ib, struct radeon_ib, list); + list_del_init(&ib->list); + mutex_unlock(&rdev->ib_pool.mutex); + seq_printf(m, "IB size %05u dwords\n", ib->length_dw); + for (i = 0; i < ib->length_dw; i++) { + seq_printf(m, "[%05u]=0x%08X\n", i, ib->ptr[i]); + } + vfree(ib->ptr); + kfree(ib); + return 0; +} + static struct drm_info_list radeon_debugfs_ib_list[RADEON_IB_POOL_SIZE]; static char radeon_debugfs_ib_names[RADEON_IB_POOL_SIZE][32]; + +static struct drm_info_list radeon_debugfs_ib_bogus_info_list[] = { + {"radeon_ib_bogus", radeon_debugfs_ib_bogus_info, 0, NULL}, +}; #endif int radeon_debugfs_ib_init(struct radeon_device *rdev) { #if defined(CONFIG_DEBUG_FS) unsigned i; + int r; + radeon_debugfs_ib_bogus_info_list[0].data = rdev; + r = radeon_debugfs_add_files(rdev, radeon_debugfs_ib_bogus_info_list, 1); + if (r) + return r; for (i = 0; i < RADEON_IB_POOL_SIZE; i++) { sprintf(radeon_debugfs_ib_names[i], "radeon_ib_%04u", i); radeon_debugfs_ib_list[i].name = radeon_debugfs_ib_names[i]; |