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drm: Nuke legacy maps debugfs files 

GEM stopped using those a while ago, and no one should ever
need to use them again to debug legacy horror show drivers.

Nuke it all. Aside: It would kinda be nice if we'd have some
generic debugfs dumps for at least kms ...

Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1465930269-7883-2-git-send-email-daniel.vetter@ffwll.ch
This commit is contained in:
Daniel Vetter 2016-06-14 20:50:56 +02:00
parent a0877f5203
commit e1b1cf2f02
4 changed files with 0 additions and 151 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/drm_debugfs.c
View File

@ -46,11 +46,8 @@
static const struct drm_info_list drm_debugfs_list[] = {
{"name", drm_name_info, 0},
{"vm", drm_vm_info, 0},
{"clients", drm_clients_info, 0},
{"bufs", drm_bufs_info, 0},
{"gem_names", drm_gem_name_info, DRIVER_GEM},
{"vma", drm_vma_info, 0},
};
#define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list)

89
drivers/gpu/drm/drm_info.c
View File

@ -65,94 +65,6 @@ int drm_name_info(struct seq_file *m, void *data)
return 0;
}
/**
* Called when "/proc/dri/.../vm" is read.
*
* Prints information about all mappings in drm_device::maplist.
*/
int drm_vm_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_local_map *map;
struct drm_map_list *r_list;
/* Hardcoded from _DRM_FRAME_BUFFER,
_DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
_DRM_SCATTER_GATHER and _DRM_CONSISTENT */
const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
const char *type;
int i;
mutex_lock(&dev->struct_mutex);
seq_printf(m, "slot offset size type flags address mtrr\n\n");
i = 0;
list_for_each_entry(r_list, &dev->maplist, head) {
map = r_list->map;
if (!map)
continue;
if (map->type < 0 || map->type > 5)
type = "??";
else
type = types[map->type];
seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ",
i,
(unsigned long long)map->offset,
map->size, type, map->flags,
(unsigned long) r_list->user_token);
if (map->mtrr < 0)
seq_printf(m, "none\n");
else
seq_printf(m, "%4d\n", map->mtrr);
i++;
}
mutex_unlock(&dev->struct_mutex);
return 0;
}
/**
* Called when "/proc/dri/.../bufs" is read.
*/
int drm_bufs_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_device_dma *dma;
int i, seg_pages;
mutex_lock(&dev->struct_mutex);
dma = dev->dma;
if (!dma) {
mutex_unlock(&dev->struct_mutex);
return 0;
}
seq_printf(m, " o size count free segs pages kB\n\n");
for (i = 0; i <= DRM_MAX_ORDER; i++) {
if (dma->bufs[i].buf_count) {
seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order);
seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n",
i,
dma->bufs[i].buf_size,
dma->bufs[i].buf_count,
0,
dma->bufs[i].seg_count,
seg_pages,
seg_pages * PAGE_SIZE / 1024);
}
}
seq_printf(m, "\n");
for (i = 0; i < dma->buf_count; i++) {
if (i && !(i % 32))
seq_printf(m, "\n");
seq_printf(m, " %d", dma->buflist[i]->list);
}
seq_printf(m, "\n");
mutex_unlock(&dev->struct_mutex);
return 0;
}
/**
* Called when "/proc/dri/.../clients" is read.
*
@ -194,7 +106,6 @@ int drm_clients_info(struct seq_file *m, void *data)
return 0;
}
static int drm_gem_one_name_info(int id, void *ptr, void *data)
{
struct drm_gem_object *obj = ptr;

5
drivers/gpu/drm/drm_internal.h
View File

@ -35,9 +35,6 @@ int drm_pci_set_unique(struct drm_device *dev,
int drm_irq_by_busid(struct drm_device *dev, void *data,
struct drm_file *file_priv);
/* drm_vm.c */
int drm_vma_info(struct seq_file *m, void *data);
/* drm_prime.c */
int drm_prime_handle_to_fd_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
@ -51,8 +48,6 @@ void drm_prime_remove_buf_handle_locked(struct drm_prime_file_private *prime_fpr
/* drm_info.c */
int drm_name_info(struct seq_file *m, void *data);
int drm_vm_info(struct seq_file *m, void *data);
int drm_bufs_info(struct seq_file *m, void *data);
int drm_clients_info(struct seq_file *m, void* data);
int drm_gem_name_info(struct seq_file *m, void *data);

54
drivers/gpu/drm/drm_vm.c
View File

@ -670,57 +670,3 @@ void drm_legacy_vma_flush(struct drm_device *dev)
kfree(vma);
}
}
int drm_vma_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_vma_entry *pt;
struct vm_area_struct *vma;
unsigned long vma_count = 0;
#if defined(__i386__)
unsigned int pgprot;
#endif
mutex_lock(&dev->struct_mutex);
list_for_each_entry(pt, &dev->vmalist, head)
vma_count++;
seq_printf(m, "vma use count: %lu, high_memory = %pK, 0x%pK\n",
vma_count, high_memory,
(void *)(unsigned long)virt_to_phys(high_memory));
list_for_each_entry(pt, &dev->vmalist, head) {
vma = pt->vma;
if (!vma)
continue;
seq_printf(m,
"\n%5d 0x%pK-0x%pK %c%c%c%c%c%c 0x%08lx000",
pt->pid,
(void *)vma->vm_start, (void *)vma->vm_end,
vma->vm_flags & VM_READ ? 'r' : '-',
vma->vm_flags & VM_WRITE ? 'w' : '-',
vma->vm_flags & VM_EXEC ? 'x' : '-',
vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
vma->vm_flags & VM_LOCKED ? 'l' : '-',
vma->vm_flags & VM_IO ? 'i' : '-',
vma->vm_pgoff);
#if defined(__i386__)
pgprot = pgprot_val(vma->vm_page_prot);
seq_printf(m, " %c%c%c%c%c%c%c%c%c",
pgprot & _PAGE_PRESENT ? 'p' : '-',
pgprot & _PAGE_RW ? 'w' : 'r',
pgprot & _PAGE_USER ? 'u' : 's',
pgprot & _PAGE_PWT ? 't' : 'b',
pgprot & _PAGE_PCD ? 'u' : 'c',
pgprot & _PAGE_ACCESSED ? 'a' : '-',
pgprot & _PAGE_DIRTY ? 'd' : '-',
pgprot & _PAGE_PSE ? 'm' : 'k',
pgprot & _PAGE_GLOBAL ? 'g' : 'l');
#endif
seq_printf(m, "\n");
}
mutex_unlock(&dev->struct_mutex);
return 0;
}