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Add fence error member. 

Modify the TTM backend bind arguments.
Export a number of functions needed for driver-specific super-ioctls.
Add a function to map buffer objects from the kernel, regardless of where they're
currently placed.
A number of error fixes.
main
Thomas Hellstrom 2007-09-22 13:34:33 +02:00
parent 24e33627c5
commit da63f4ba0f
16 changed files with 611 additions and 195 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
linux-core/drm_agpsupport.c
View File

@ -535,8 +535,7 @@ static int drm_agp_populate(struct drm_ttm_backend *backend, unsigned long num_p
}
static int drm_agp_bind_ttm(struct drm_ttm_backend *backend,
unsigned long offset,
int cached)
struct drm_bo_mem_reg *bo_mem)
{
struct drm_agp_ttm_backend *agp_be =
container_of(backend, struct drm_agp_ttm_backend, backend);
@ -545,13 +544,14 @@ static int drm_agp_bind_ttm(struct drm_ttm_backend *backend,
DRM_DEBUG("drm_agp_bind_ttm\n");
mem->is_flushed = TRUE;
mem->type = (cached) ? AGP_USER_CACHED_MEMORY :
mem->type = (bo_mem->flags & DRM_BO_FLAG_CACHED) ? AGP_USER_CACHED_MEMORY :
AGP_USER_MEMORY;
ret = drm_agp_bind_memory(mem, offset);
ret = drm_agp_bind_memory(mem, bo_mem->mm_node->start);
if (ret) {
DRM_ERROR("AGP Bind memory failed\n");
}
DRM_FLAG_MASKED(backend->flags, (cached) ? DRM_BE_FLAG_BOUND_CACHED : 0,
DRM_FLAG_MASKED(backend->flags, (bo_mem->flags & DRM_BO_FLAG_CACHED) ?
DRM_BE_FLAG_BOUND_CACHED : 0,
DRM_BE_FLAG_BOUND_CACHED);
return ret;
}
@ -643,7 +643,8 @@ struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev)
agp_be->bridge = dev->agp->bridge;
agp_be->populated = FALSE;
agp_be->backend.func = &agp_ttm_backend;
agp_be->backend.mem_type = DRM_BO_MEM_TT;
// agp_be->backend.mem_type = DRM_BO_MEM_TT;
agp_be->backend.dev = dev;
return &agp_be->backend;
}

223
linux-core/drm_bo.c
View File

@ -142,12 +142,8 @@ static int drm_bo_add_ttm(struct drm_buffer_object * bo)
switch (bo->type) {
case drm_bo_type_dc:
bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT);
if (!bo->ttm)
ret = -ENOMEM;
break;
case drm_bo_type_kernel:
bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT);
bo->ttm = drm_ttm_init(dev, bo->num_pages << PAGE_SHIFT);
if (!bo->ttm)
ret = -ENOMEM;
break;
@ -175,7 +171,8 @@ static int drm_bo_handle_move_mem(struct drm_buffer_object * bo,
struct drm_mem_type_manager *new_man = &bm->man[mem->mem_type];
int ret = 0;
if (old_is_pci || new_is_pci)
if (old_is_pci || new_is_pci ||
((mem->flags ^ bo->mem.flags) & DRM_BO_FLAG_CACHED))
ret = drm_bo_vm_pre_move(bo, old_is_pci);
if (ret)
return ret;
@ -190,9 +187,7 @@ static int drm_bo_handle_move_mem(struct drm_buffer_object * bo,
goto out_err;
if (mem->mem_type != DRM_BO_MEM_LOCAL) {
ret = drm_bind_ttm(bo->ttm, new_man->flags &
DRM_BO_FLAG_CACHED,
mem->mm_node->start);
ret = drm_bind_ttm(bo->ttm, mem);
if (ret)
goto out_err;
}
@ -242,7 +237,9 @@ static int drm_bo_handle_move_mem(struct drm_buffer_object * bo,
_DRM_BO_FLAG_EVICTED);
if (bo->mem.mm_node)
bo->offset = bo->mem.mm_node->start << PAGE_SHIFT;
bo->offset = (bo->mem.mm_node->start << PAGE_SHIFT) +
bm->man[bo->mem.mem_type].gpu_offset;
return 0;
@ -290,6 +287,7 @@ int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals,
}
return 0;
}
EXPORT_SYMBOL(drm_bo_wait);
static int drm_bo_expire_fence(struct drm_buffer_object * bo, int allow_errors)
{
@ -417,7 +415,7 @@ static void drm_bo_destroy_locked(struct drm_buffer_object * bo)
atomic_dec(&bm->count);
BUG_ON(!list_empty(&bo->base.list));
// BUG_ON(!list_empty(&bo->base.list));
drm_ctl_free(bo, sizeof(*bo), DRM_MEM_BUFOBJ);
return;
@ -503,6 +501,7 @@ void drm_bo_usage_deref_locked(struct drm_buffer_object ** bo)
drm_bo_destroy_locked(tmp_bo);
}
}
EXPORT_SYMBOL(drm_bo_usage_deref_locked);
static void drm_bo_base_deref_locked(struct drm_file * file_priv,
struct drm_user_object * uo)
@ -531,38 +530,76 @@ void drm_bo_usage_deref_unlocked(struct drm_buffer_object ** bo)
}
EXPORT_SYMBOL(drm_bo_usage_deref_unlocked);
void drm_putback_buffer_objects(struct drm_device *dev)
{
struct drm_buffer_manager *bm = &dev->bm;
struct list_head *list = &bm->unfenced;
struct drm_buffer_object *entry, *next;
mutex_lock(&dev->struct_mutex);
list_for_each_entry_safe(entry, next, list, lru) {
atomic_inc(&entry->usage);
mutex_unlock(&dev->struct_mutex);
mutex_lock(&entry->mutex);
BUG_ON(!(entry->priv_flags & _DRM_BO_FLAG_UNFENCED));
mutex_lock(&dev->struct_mutex);
list_del_init(&entry->lru);
DRM_FLAG_MASKED(entry->priv_flags, 0, _DRM_BO_FLAG_UNFENCED);
DRM_WAKEUP(&entry->event_queue);
/*
* FIXME: Might want to put back on head of list
* instead of tail here.
*/
drm_bo_add_to_lru(entry);
mutex_unlock(&entry->mutex);
drm_bo_usage_deref_locked(&entry);
}
mutex_unlock(&dev->struct_mutex);
}
EXPORT_SYMBOL(drm_putback_buffer_objects);
/*
* Note. The caller has to register (if applicable)
* and deregister fence object usage.
*/
int drm_fence_buffer_objects(struct drm_file * file_priv,
int drm_fence_buffer_objects(struct drm_device *dev,
struct list_head *list,
uint32_t fence_flags,
struct drm_fence_object * fence,
struct drm_fence_object ** used_fence)
{
struct drm_device *dev = file_priv->head->dev;
struct drm_buffer_manager *bm = &dev->bm;
struct drm_buffer_object *entry;
uint32_t fence_type = 0;
uint32_t fence_class = ~0;
int count = 0;
int ret = 0;
struct list_head *l;
LIST_HEAD(f_list);
mutex_lock(&dev->struct_mutex);
if (!list)
list = &bm->unfenced;
if (fence)
fence_class = fence->class;
list_for_each_entry(entry, list, lru) {
BUG_ON(!(entry->priv_flags & _DRM_BO_FLAG_UNFENCED));
fence_type |= entry->fence_type;
if (entry->fence_class != 0) {
DRM_ERROR("Fence class %d is not implemented yet.\n",
entry->fence_class);
fence_type |= entry->new_fence_type;
if (fence_class == ~0)
fence_class = entry->new_fence_class;
else if (entry->new_fence_class != fence_class) {
DRM_ERROR("Unmatching fence classes on unfenced list: "
"%d and %d.\n",
fence_class,
entry->new_fence_class);
ret = -EINVAL;
goto out;
}
@ -574,14 +611,6 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
goto out;
}
/*
* Transfer to a local list before we release the dev->struct_mutex;
* This is so we don't get any new unfenced objects while fencing
* the ones we already have..
*/
list_splice_init(list, &f_list);
if (fence) {
if ((fence_type & fence->type) != fence_type) {
DRM_ERROR("Given fence doesn't match buffers "
@ -591,7 +620,7 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
}
} else {
mutex_unlock(&dev->struct_mutex);
ret = drm_fence_object_create(dev, 0, fence_type,
ret = drm_fence_object_create(dev, fence_class, fence_type,
fence_flags | DRM_FENCE_FLAG_EMIT,
&fence);
mutex_lock(&dev->struct_mutex);
@ -600,8 +629,8 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
}
count = 0;
l = f_list.next;
while (l != &f_list) {
l = list->next;
while (l != list) {
prefetch(l->next);
entry = list_entry(l, struct drm_buffer_object, lru);
atomic_inc(&entry->usage);
@ -614,6 +643,8 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
if (entry->fence)
drm_fence_usage_deref_locked(&entry->fence);
entry->fence = drm_fence_reference_locked(fence);
entry->fence_class = entry->new_fence_class;
entry->fence_type = entry->new_fence_type;
DRM_FLAG_MASKED(entry->priv_flags, 0,
_DRM_BO_FLAG_UNFENCED);
DRM_WAKEUP(&entry->event_queue);
@ -621,7 +652,7 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
}
mutex_unlock(&entry->mutex);
drm_bo_usage_deref_locked(&entry);
l = f_list.next;
l = list->next;
}
DRM_DEBUG("Fenced %d buffers\n", count);
out:
@ -629,7 +660,6 @@ int drm_fence_buffer_objects(struct drm_file * file_priv,
*used_fence = fence;
return ret;
}
EXPORT_SYMBOL(drm_fence_buffer_objects);
/*
@ -944,6 +974,7 @@ struct drm_buffer_object *drm_lookup_buffer_object(struct drm_file *file_priv,
atomic_inc(&bo->usage);
return bo;
}
EXPORT_SYMBOL(drm_lookup_buffer_object);
/*
* Call bo->mutex locked.
@ -1079,9 +1110,12 @@ static int drm_bo_wait_unfenced(struct drm_buffer_object * bo, int no_wait,
static void drm_bo_fill_rep_arg(struct drm_buffer_object * bo,
struct drm_bo_info_rep *rep)
{
if (!rep)
return;
rep->handle = bo->base.hash.key;
rep->flags = bo->mem.flags;
rep->size = bo->mem.num_pages * PAGE_SIZE;
rep->size = bo->num_pages * PAGE_SIZE;
rep->offset = bo->offset;
rep->arg_handle = bo->map_list.user_token;
rep->mask = bo->mem.mask;
@ -1260,7 +1294,7 @@ int drm_bo_move_buffer(struct drm_buffer_object * bo, uint32_t new_mem_flags,
if (ret)
return ret;
mem.num_pages = bo->mem.num_pages;
mem.num_pages = bo->num_pages;
mem.size = mem.num_pages << PAGE_SHIFT;
mem.mask = new_mem_flags;
mem.page_alignment = bo->mem.page_alignment;
@ -1308,7 +1342,7 @@ static int drm_bo_mem_compat(struct drm_bo_mem_reg * mem)
if ((mem->mask & mem->flags & DRM_BO_MASK_MEM) == 0)
return 0;
if ((flag_diff & DRM_BO_FLAG_CACHED) &&
(!(mem->mask & DRM_BO_FLAG_CACHED) ||
(/* !(mem->mask & DRM_BO_FLAG_CACHED) ||*/
(mem->mask & DRM_BO_FLAG_FORCE_CACHING))) {
return 0;
}
@ -1375,7 +1409,7 @@ static int drm_buffer_object_validate(struct drm_buffer_object * bo,
(unsigned long long) bo->mem.mask,
(unsigned long long) bo->mem.flags);
ret = driver->fence_type(bo, &ftype);
ret = driver->fence_type(bo, &fence_class, &ftype);
if (ret) {
DRM_ERROR("Driver did not support given buffer permissions\n");
@ -1405,12 +1439,14 @@ static int drm_buffer_object_validate(struct drm_buffer_object * bo,
}
bo->fence_class = fence_class;
bo->fence_type = ftype;
ret = drm_bo_wait_unmapped(bo, no_wait);
if (ret)
return ret;
bo->new_fence_class = fence_class;
bo->new_fence_type = ftype;
ret = drm_bo_wait_unmapped(bo, no_wait);
if (ret) {
DRM_ERROR("Timed out waiting for buffer unmap.\n");
return ret;
}
if (bo->type == drm_bo_type_fake) {
ret = drm_bo_check_fake(dev, &bo->mem);
if (ret)
@ -1465,11 +1501,52 @@ static int drm_buffer_object_validate(struct drm_buffer_object * bo,
return 0;
}
static int drm_bo_handle_validate(struct drm_file *file_priv,
uint32_t handle,
int drm_bo_do_validate(struct drm_buffer_object *bo,
uint64_t flags, uint64_t mask, uint32_t hint,
uint32_t fence_class,
int no_wait,
struct drm_bo_info_rep *rep)
{
int ret;
mutex_lock(&bo->mutex);
ret = drm_bo_wait_unfenced(bo, no_wait, 0);
if (ret)
goto out;
if ((mask & flags & DRM_BO_FLAG_NO_EVICT) && !DRM_SUSER(DRM_CURPROC)) {
DRM_ERROR
("DRM_BO_FLAG_NO_EVICT is only available to priviliged "
"processes\n");
return -EPERM;
}
DRM_FLAG_MASKED(flags, bo->mem.mask, ~mask);
ret = drm_bo_new_mask(bo, flags, hint);
if (ret)
goto out;
ret = drm_buffer_object_validate(bo,
fence_class,
!(hint & DRM_BO_HINT_DONT_FENCE),
no_wait);
out:
if (rep)
drm_bo_fill_rep_arg(bo, rep);
mutex_unlock(&bo->mutex);
return ret;
}
EXPORT_SYMBOL(drm_bo_do_validate);
int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle,
uint32_t fence_class,
uint64_t flags, uint64_t mask, uint32_t hint,
struct drm_bo_info_rep *rep)
struct drm_bo_info_rep * rep,
struct drm_buffer_object **bo_rep)
{
struct drm_device *dev = file_priv->head->dev;
struct drm_buffer_object *bo;
@ -1479,34 +1556,22 @@ static int drm_bo_handle_validate(struct drm_file *file_priv,
mutex_lock(&dev->struct_mutex);
bo = drm_lookup_buffer_object(file_priv, handle, 1);
mutex_unlock(&dev->struct_mutex);
if (!bo) {
return -EINVAL;
}
mutex_lock(&bo->mutex);
ret = drm_bo_wait_unfenced(bo, no_wait, 0);
if (ret)
goto out;
DRM_FLAG_MASKED(flags, bo->mem.mask, ~mask);
ret = drm_bo_new_mask(bo, flags, hint);
if (ret)
goto out;
ret =
drm_buffer_object_validate(bo, fence_class,
!(hint & DRM_BO_HINT_DONT_FENCE),
no_wait);
drm_bo_fill_rep_arg(bo, rep);
out:
mutex_unlock(&bo->mutex);
ret = drm_bo_do_validate(bo, flags, mask, hint, fence_class,
no_wait, rep);
if (!ret && bo_rep)
*bo_rep = bo;
else
drm_bo_usage_deref_unlocked(&bo);
return ret;
}
EXPORT_SYMBOL(drm_bo_handle_validate);
/**
* Fills out the generic buffer object ioctl reply with the information for
@ -1612,8 +1677,9 @@ int drm_buffer_object_create(struct drm_device *dev,
#endif
bo->dev = dev;
bo->type = type;
bo->num_pages = num_pages;
bo->mem.mem_type = DRM_BO_MEM_LOCAL;
bo->mem.num_pages = num_pages;
bo->mem.num_pages = bo->num_pages;
bo->mem.mm_node = NULL;
bo->mem.page_alignment = page_alignment;
if (bo->type == drm_bo_type_fake) {
@ -1706,6 +1772,7 @@ int drm_bo_op_ioctl(struct drm_device *dev, void *data, struct drm_file *file_pr
struct drm_bo_op_arg *arg = data;
struct drm_bo_op_req *req = &arg->d.req;
struct drm_bo_info_rep rep;
struct drm_buffer_object *dummy;
unsigned long next = 0;
void __user *curuserarg = NULL;
int ret;
@ -1742,7 +1809,7 @@ int drm_bo_op_ioctl(struct drm_device *dev, void *data, struct drm_file *file_pr
req->bo_req.flags,
req->bo_req.mask,
req->bo_req.hint,
&rep);
&rep, &dummy);
break;
case drm_bo_fence:
ret = -EINVAL;
@ -2092,9 +2159,30 @@ static void drm_bo_clean_unfenced(struct drm_device *dev)
struct drm_buffer_manager *bm = &dev->bm;
struct list_head *head, *list;
struct drm_buffer_object *entry;
struct drm_fence_object *fence;
head = &bm->unfenced;
if (list_empty(head))
return;
DRM_ERROR("Clean unfenced\n");
if (drm_fence_buffer_objects(dev, NULL, 0, NULL, &fence)) {
/*
* Fixme: Should really wait here.
*/
}
if (fence)
drm_fence_usage_deref_locked(&fence);
if (list_empty(head))
return;
DRM_ERROR("Really clean unfenced\n");
list = head->next;
while(list != head) {
prefetch(list->next);
@ -2254,7 +2342,7 @@ int drm_bo_clean_mm(struct drm_device * dev, unsigned mem_type)
if (!man->has_type) {
DRM_ERROR("Trying to take down uninitialized "
"memory manager type\n");
"memory manager type %u\n", mem_type);
return ret;
}
man->use_type = 0;
@ -2276,6 +2364,7 @@ int drm_bo_clean_mm(struct drm_device * dev, unsigned mem_type)
return ret;
}
EXPORT_SYMBOL(drm_bo_clean_mm);
/**
*Evict all buffers of a particular mem_type, but leave memory manager

197
linux-core/drm_bo_move.c
View File

@ -71,9 +71,7 @@ int drm_bo_move_ttm(struct drm_buffer_object * bo,
save_flags = old_mem->flags;
}
if (new_mem->mem_type != DRM_BO_MEM_LOCAL) {
ret = drm_bind_ttm(ttm,
new_mem->flags & DRM_BO_FLAG_CACHED,
new_mem->mm_node->start);
ret = drm_bind_ttm(ttm, new_mem);
if (ret)
return ret;
}
@ -344,6 +342,7 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo,
ret = drm_fence_object_create(dev, fence_class, fence_type,
fence_flags | DRM_FENCE_FLAG_EMIT,
&bo->fence);
bo->fence_type = fence_type;
if (ret)
return ret;
@ -410,3 +409,195 @@ int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo,
}
EXPORT_SYMBOL(drm_bo_move_accel_cleanup);
int drm_bo_same_page(unsigned long offset,
unsigned long offset2)
{
return (offset & PAGE_MASK) == (offset2 & PAGE_MASK);
}
EXPORT_SYMBOL(drm_bo_same_page);
unsigned long drm_bo_offset_end(unsigned long offset,
unsigned long end)
{
offset = (offset + PAGE_SIZE) & PAGE_MASK;
return (end < offset) ? end : offset;
}
EXPORT_SYMBOL(drm_bo_offset_end);
static pgprot_t drm_kernel_io_prot(uint32_t map_type)
{
pgprot_t tmp = PAGE_KERNEL;
#if defined(__i386__) || defined(__x86_64__)
#ifdef USE_PAT_WC
#warning using pat
if (drm_use_pat() && map_type == _DRM_TTM) {
pgprot_val(tmp) |= _PAGE_PAT;
return tmp;
}
#endif
if (boot_cpu_data.x86 > 3 && map_type != _DRM_AGP) {
pgprot_val(tmp) |= _PAGE_PCD;
pgprot_val(tmp) &= ~_PAGE_PWT;
}
#elif defined(__powerpc__)
pgprot_val(tmp) |= _PAGE_NO_CACHE;
if (map_type == _DRM_REGISTERS)
pgprot_val(tmp) |= _PAGE_GUARDED;
#endif
#if defined(__ia64__)
if (map_type == _DRM_TTM)
tmp = pgprot_writecombine(tmp);
else
tmp = pgprot_noncached(tmp);
#endif
return tmp;
}
static int drm_bo_ioremap(struct drm_buffer_object *bo, unsigned long bus_base,
unsigned long bus_offset, unsigned long bus_size,
struct drm_bo_kmap_obj *map)
{
struct drm_device *dev = bo->dev;
struct drm_bo_mem_reg *mem = &bo->mem;
struct drm_mem_type_manager *man = &dev->bm.man[mem->mem_type];
if (!(man->flags & _DRM_FLAG_NEEDS_IOREMAP)) {
map->bo_kmap_type = bo_map_premapped;
map->virtual = (void *)(((u8 *) man->io_addr) + bus_offset);
} else {
map->bo_kmap_type = bo_map_iomap;
map->virtual = ioremap_nocache(bus_base + bus_offset, bus_size);
}
return (!map->virtual) ? -ENOMEM : 0;
}
static int drm_bo_kmap_ttm(struct drm_buffer_object *bo, unsigned long start_page,
unsigned long num_pages, struct drm_bo_kmap_obj *map)
{
struct drm_device *dev = bo->dev;
struct drm_bo_mem_reg *mem = &bo->mem;
struct drm_mem_type_manager *man = &dev->bm.man[mem->mem_type];
pgprot_t prot;
struct drm_ttm *ttm = bo->ttm;
struct page *d;
int i;
BUG_ON(!ttm);
/*
* Populate the part we're mapping;
*/
for (i=start_page; i< num_pages; ++i) {
d = drm_ttm_get_page(ttm, i);
if (!d)
return -ENOMEM;
}
if (num_pages == 1 && (mem->flags & DRM_BO_FLAG_CACHED)) {
/*
* We're mapping a single page, and the desired
* page protection is consistent with the bo.
*/
map->bo_kmap_type = bo_map_kmap;
map->page = drm_ttm_get_page(ttm, start_page);
map->virtual = kmap(map->page);
} else {
/*
* We need to use vmap to get the desired page protection
* or to make the buffer object look contigous.
*/
prot = (mem->flags & DRM_BO_FLAG_CACHED) ?
PAGE_KERNEL :
drm_kernel_io_prot(man->drm_bus_maptype);
map->bo_kmap_type = bo_map_vmap;
map->virtual = vmap(ttm->pages + start_page,
num_pages, 0, prot);
}
return (!map->virtual) ? -ENOMEM : 0;
}
/*
* This function is to be used for kernel mapping of buffer objects.
* It chooses the appropriate mapping method depending on the memory type
* and caching policy the buffer currently has.
* Mapping multiple pages or buffers that live in io memory is a bit slow and
* consumes vmalloc space. Be restrictive with such mappings.
* Mapping single pages usually returns the logical kernel address, (which is fast)
* BUG may use slower temporary mappings for high memory pages or
* uncached / write-combined pages.
*
* The function fills in a drm_bo_kmap_obj which can be used to return the
* kernel virtual address of the buffer.
*
* Code servicing a non-priviliged user request is only allowed to map one
* page at a time. We might need to implement a better scheme to stop such
* processes from consuming all vmalloc space.
*/
int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page,
unsigned long num_pages, struct drm_bo_kmap_obj *map)
{
int ret;
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
map->virtual = NULL;
if (num_pages > bo->num_pages)
return -EINVAL;
if (start_page > bo->num_pages)
return -EINVAL;
#if 0
if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC))
return -EPERM;
#endif
ret = drm_bo_pci_offset(bo->dev, &bo->mem, &bus_base,
&bus_offset, &bus_size);
if (ret)
return ret;
if (bus_size == 0) {
return drm_bo_kmap_ttm(bo, start_page, num_pages, map);
} else {
bus_offset += start_page << PAGE_SHIFT;
bus_size = num_pages << PAGE_SHIFT;
return drm_bo_ioremap(bo, bus_base, bus_offset, bus_size, map);
}
}
EXPORT_SYMBOL(drm_bo_kmap);
void drm_bo_kunmap(struct drm_bo_kmap_obj *map)
{
if (!map->virtual)
return;
switch(map->bo_kmap_type) {
case bo_map_iomap:
iounmap(map->virtual);
break;
case bo_map_vmap:
vunmap(map->virtual);
break;
case bo_map_kmap:
kunmap(map->page);
break;
case bo_map_premapped:
break;
default:
BUG();
}
map->virtual = NULL;
map->page = NULL;
}
EXPORT_SYMBOL(drm_bo_kunmap);

140
linux-core/drm_fence.c
View File

@ -35,7 +35,7 @@
*/
void drm_fence_handler(struct drm_device * dev, uint32_t class,
uint32_t sequence, uint32_t type)
uint32_t sequence, uint32_t type, uint32_t error)
{
int wake = 0;
uint32_t diff;
@ -49,6 +49,7 @@ void drm_fence_handler(struct drm_device * dev, uint32_t class,
int is_exe = (type & DRM_FENCE_TYPE_EXE);
int ge_last_exe;
diff = (sequence - fc->exe_flush_sequence) & driver->sequence_mask;
if (fc->pending_exe_flush && is_exe && diff < driver->wrap_diff)
@ -57,9 +58,6 @@ void drm_fence_handler(struct drm_device * dev, uint32_t class,
diff = (sequence - fc->last_exe_flush) & driver->sequence_mask;
ge_last_exe = diff < driver->wrap_diff;
if (ge_last_exe)
fc->pending_flush &= ~type;
if (is_exe && ge_last_exe) {
fc->last_exe_flush = sequence;
}
@ -75,36 +73,66 @@ void drm_fence_handler(struct drm_device * dev, uint32_t class,
}
}
fc->pending_flush &= ~type;
head = (found) ? &fence->ring : &fc->ring;
list_for_each_entry_safe_reverse(fence, next, head, ring) {
if (&fence->ring == &fc->ring)
break;
if (error) {
fence->error = error;
fence->signaled = fence->type;
fence->submitted_flush = fence->type;
fence->flush_mask = fence->type;
list_del_init(&fence->ring);
wake = 1;
break;
}
type |= fence->native_type;
relevant = type & fence->type;
if ((fence->signaled | relevant) != fence->signaled) {
fence->signaled |= relevant;
fence->flush_mask |= relevant;
fence->submitted_flush |= relevant;
DRM_DEBUG("Fence 0x%08lx signaled 0x%08x\n",
fence->base.hash.key, fence->signaled);
fence->submitted_flush |= relevant;
wake = 1;
}
relevant = fence->flush_mask &
~(fence->signaled | fence->submitted_flush);
~(fence->submitted_flush | fence->signaled);
if (relevant) {
fc->pending_flush |= relevant;
fence->submitted_flush = fence->flush_mask;
}
fence->submitted_flush |= relevant;
if (!(fence->type & ~fence->signaled)) {
DRM_DEBUG("Fence completely signaled 0x%08lx\n",
fence->base.hash.key);
list_del_init(&fence->ring);
}
}
/*
* Reinstate lost flush flags.
*/
if ((fc->pending_flush & type) != type) {
head = head->prev;
list_for_each_entry(fence, head, ring) {
if (&fence->ring == &fc->ring)
break;
diff = (fc->last_exe_flush - fence->sequence) &
driver->sequence_mask;
if (diff > driver->wrap_diff)
break;
relevant = fence->submitted_flush & ~fence->signaled;
fc->pending_flush |= relevant;
}
}
if (wake) {
@ -141,6 +169,7 @@ void drm_fence_usage_deref_locked(struct drm_fence_object ** fence)
drm_ctl_free(tmp_fence, sizeof(*tmp_fence), DRM_MEM_FENCE);
}
}
EXPORT_SYMBOL(drm_fence_usage_deref_locked);
void drm_fence_usage_deref_unlocked(struct drm_fence_object ** fence)
{
@ -160,6 +189,7 @@ void drm_fence_usage_deref_unlocked(struct drm_fence_object ** fence)
mutex_unlock(&dev->struct_mutex);
}
}
EXPORT_SYMBOL(drm_fence_usage_deref_unlocked);
struct drm_fence_object
*drm_fence_reference_locked(struct drm_fence_object *src)
@ -178,7 +208,7 @@ void drm_fence_reference_unlocked(struct drm_fence_object **dst,
atomic_inc(&src->usage);
mutex_unlock(&src->dev->struct_mutex);
}
EXPORT_SYMBOL(drm_fence_reference_unlocked);
static void drm_fence_object_destroy(struct drm_file *priv, struct drm_user_object * base)
{
@ -206,6 +236,7 @@ int drm_fence_object_signaled(struct drm_fence_object * fence,
return signaled;
}
EXPORT_SYMBOL(drm_fence_object_signaled);
static void drm_fence_flush_exe(struct drm_fence_class_manager * fc,
struct drm_fence_driver * driver, uint32_t sequence)
@ -241,7 +272,8 @@ int drm_fence_object_flush(struct drm_fence_object * fence,
write_lock_irqsave(&fm->lock, flags);
fence->flush_mask |= type;
if (fence->submitted_flush == fence->signaled) {
if ((fence->submitted_flush & fence->signaled)
== fence->submitted_flush) {
if ((fence->type & DRM_FENCE_TYPE_EXE) &&
!(fence->submitted_flush & DRM_FENCE_TYPE_EXE)) {
drm_fence_flush_exe(fc, driver, fence->sequence);
@ -329,7 +361,15 @@ static int drm_fence_lazy_wait(struct drm_fence_object *fence,
if (ret == -EBUSY) {
DRM_ERROR("Fence timeout. "
"GPU lockup or fence driver was "
"taken down.\n");
"taken down. %d 0x%08x 0x%02x 0x%02x 0x%02x\n",
fence->class,
fence->sequence,
fence->type,
mask,
fence->signaled);
DRM_ERROR("Pending exe flush %d 0x%08x\n",
fc->pending_exe_flush,
fc->exe_flush_sequence);
}
return ((ret == -EINTR) ? -EAGAIN : ret);
}
@ -348,6 +388,7 @@ int drm_fence_object_wait(struct drm_fence_object * fence,
if (mask & ~fence->type) {
DRM_ERROR("Wait trying to extend fence type"
" 0x%08x 0x%08x\n", mask, fence->type);
BUG();
return -EINVAL;
}
@ -402,6 +443,8 @@ int drm_fence_object_wait(struct drm_fence_object * fence,
return 0;
}
EXPORT_SYMBOL(drm_fence_object_wait);
int drm_fence_object_emit(struct drm_fence_object * fence,
uint32_t fence_flags, uint32_t class, uint32_t type)
@ -434,6 +477,7 @@ int drm_fence_object_emit(struct drm_fence_object * fence,
write_unlock_irqrestore(&fm->lock, flags);
return 0;
}
EXPORT_SYMBOL(drm_fence_object_emit);
static int drm_fence_object_init(struct drm_device * dev, uint32_t class,
uint32_t type,
@ -545,6 +589,23 @@ void drm_fence_manager_init(struct drm_device * dev)
write_unlock_irqrestore(&fm->lock, flags);
}
void drm_fence_fill_arg(struct drm_fence_object *fence, struct drm_fence_arg *arg)
{
struct drm_device *dev = fence->dev;
struct drm_fence_manager *fm = &dev->fm;
unsigned long irq_flags;
read_lock_irqsave(&fm->lock, irq_flags);
arg->handle = fence->base.hash.key;
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
arg->error = fence->error;
read_unlock_irqrestore(&fm->lock, irq_flags);
}
EXPORT_SYMBOL(drm_fence_fill_arg);
void drm_fence_manager_takedown(struct drm_device * dev)
{
}
@ -572,7 +633,6 @@ int drm_fence_create_ioctl(struct drm_device *dev, void *data, struct drm_file *
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -600,11 +660,7 @@ int drm_fence_create_ioctl(struct drm_device *dev, void *data, struct drm_file *
arg->handle = fence->base.hash.key;
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -642,7 +698,6 @@ int drm_fence_reference_ioctl(struct drm_device *dev, void *data, struct drm_fil
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
struct drm_user_object *uo;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -654,12 +709,7 @@ int drm_fence_reference_ioctl(struct drm_device *dev, void *data, struct drm_fil
if (ret)
return ret;
fence = drm_lookup_fence_object(file_priv, arg->handle);
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -687,7 +737,6 @@ int drm_fence_signaled_ioctl(struct drm_device *dev, void *data, struct drm_file
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -699,11 +748,7 @@ int drm_fence_signaled_ioctl(struct drm_device *dev, void *data, struct drm_file
if (!fence)
return -EINVAL;
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -715,7 +760,6 @@ int drm_fence_flush_ioctl(struct drm_device *dev, void *data, struct drm_file *f
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -728,11 +772,7 @@ int drm_fence_flush_ioctl(struct drm_device *dev, void *data, struct drm_file *f
return -EINVAL;
ret = drm_fence_object_flush(fence, arg->type);
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -745,7 +785,6 @@ int drm_fence_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *fi
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -760,11 +799,7 @@ int drm_fence_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *fi
arg->flags & DRM_FENCE_FLAG_WAIT_LAZY,
0, arg->type);
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -777,7 +812,6 @@ int drm_fence_emit_ioctl(struct drm_device *dev, void *data, struct drm_file *fi
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -792,11 +826,7 @@ int drm_fence_emit_ioctl(struct drm_device *dev, void *data, struct drm_file *fi
ret = drm_fence_object_emit(fence, arg->flags, arg->class,
arg->type);
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;
@ -808,7 +838,6 @@ int drm_fence_buffers_ioctl(struct drm_device *dev, void *data, struct drm_file
struct drm_fence_manager *fm = &dev->fm;
struct drm_fence_arg *arg = data;
struct drm_fence_object *fence;
unsigned long flags;
ret = 0;
if (!fm->initialized) {
@ -821,23 +850,22 @@ int drm_fence_buffers_ioctl(struct drm_device *dev, void *data, struct drm_file
return -EINVAL;
}
LOCK_TEST_WITH_RETURN(dev, file_priv);
ret = drm_fence_buffer_objects(file_priv, NULL, arg->flags,
ret = drm_fence_buffer_objects(dev, NULL, arg->flags,
NULL, &fence);
if (ret)
return ret;
if (!(arg->flags & DRM_FENCE_FLAG_NO_USER)) {
ret = drm_fence_add_user_object(file_priv, fence,
arg->flags &
DRM_FENCE_FLAG_SHAREABLE);
if (ret)
return ret;
}
arg->handle = fence->base.hash.key;
read_lock_irqsave(&fm->lock, flags);
arg->class = fence->class;
arg->type = fence->type;
arg->signaled = fence->signaled;
read_unlock_irqrestore(&fm->lock, flags);
drm_fence_fill_arg(fence, arg);
drm_fence_usage_deref_unlocked(&fence);
return ret;

4
linux-core/drm_object.c
View File

@ -50,6 +50,7 @@ int drm_add_user_object(struct drm_file * priv, struct drm_user_object * item,
list_add_tail(&item->list, &priv->user_objects);
return 0;
}
EXPORT_SYMBOL(drm_add_user_object);
struct drm_user_object *drm_lookup_user_object(struct drm_file * priv, uint32_t key)
{
@ -76,6 +77,7 @@ struct drm_user_object *drm_lookup_user_object(struct drm_file * priv, uint32_t
}
return item;
}
EXPORT_SYMBOL(drm_lookup_user_object);
static void drm_deref_user_object(struct drm_file * priv, struct drm_user_object * item)
{
@ -104,6 +106,7 @@ int drm_remove_user_object(struct drm_file * priv, struct drm_user_object * item
drm_deref_user_object(priv, item);
return 0;
}
EXPORT_SYMBOL(drm_remove_user_object);
static int drm_object_ref_action(struct drm_file * priv, struct drm_user_object * ro,
enum drm_ref_type action)
@ -196,6 +199,7 @@ struct drm_ref_object *drm_lookup_ref_object(struct drm_file * priv,
return drm_hash_entry(hash, struct drm_ref_object, hash);
}
EXPORT_SYMBOL(drm_lookup_ref_object);
static void drm_remove_other_references(struct drm_file * priv,
struct drm_user_object * ro)

140
linux-core/drm_objects.h
View File

@ -32,6 +32,7 @@
#define _DRM_OBJECTS_H
struct drm_device;
struct drm_bo_mem_reg;
/***************************************************
* User space objects. (drm_object.c)
@ -42,10 +43,14 @@ struct drm_device;
enum drm_object_type {
drm_fence_type,
drm_buffer_type,
drm_ttm_type
/*
* Add other user space object types here.
*/
drm_driver_type0 = 256,
drm_driver_type1,
drm_driver_type2,
drm_driver_type3,
drm_driver_type4
};
/*
@ -156,6 +161,7 @@ struct drm_fence_object {
uint32_t sequence;
uint32_t flush_mask;
uint32_t submitted_flush;
uint32_t error;
};
#define _DRM_FENCE_CLASSES 8
@ -192,7 +198,7 @@ struct drm_fence_driver {
};
extern void drm_fence_handler(struct drm_device *dev, uint32_t class,
uint32_t sequence, uint32_t type);
uint32_t sequence, uint32_t type, uint32_t error);
extern void drm_fence_manager_init(struct drm_device *dev);
extern void drm_fence_manager_takedown(struct drm_device *dev);
extern void drm_fence_flush_old(struct drm_device *dev, uint32_t class,
@ -210,6 +216,12 @@ extern int drm_fence_object_wait(struct drm_fence_object * fence,
extern int drm_fence_object_create(struct drm_device *dev, uint32_t type,
uint32_t fence_flags, uint32_t class,
struct drm_fence_object ** c_fence);
extern int drm_fence_object_emit(struct drm_fence_object * fence,
uint32_t fence_flags, uint32_t class,
uint32_t type);
extern void drm_fence_fill_arg(struct drm_fence_object *fence,
struct drm_fence_arg *arg);
extern int drm_fence_add_user_object(struct drm_file * priv,
struct drm_fence_object * fence, int shareable);
@ -258,23 +270,22 @@ struct drm_ttm_backend_func {
unsigned long num_pages, struct page ** pages);
void (*clear) (struct drm_ttm_backend * backend);
int (*bind) (struct drm_ttm_backend * backend,
unsigned long offset, int cached);
struct drm_bo_mem_reg * bo_mem);
int (*unbind) (struct drm_ttm_backend * backend);
void (*destroy) (struct drm_ttm_backend * backend);
};
struct drm_ttm_backend {
typedef struct drm_ttm_backend {
struct drm_device *dev;
uint32_t flags;
int mem_type;
struct drm_ttm_backend_func *func;
};
} drm_ttm_backend_t;
struct drm_ttm {
struct page **pages;
uint32_t page_flags;
unsigned long num_pages;
unsigned long aper_offset;
atomic_t vma_count;
struct drm_device *dev;
int destroy;
@ -290,11 +301,13 @@ struct drm_ttm {
};
extern struct drm_ttm *drm_ttm_init(struct drm_device *dev, unsigned long size);
extern int drm_bind_ttm(struct drm_ttm * ttm, int cached, unsigned long aper_offset);
extern int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem);
extern void drm_ttm_unbind(struct drm_ttm * ttm);
extern void drm_ttm_evict(struct drm_ttm * ttm);
extern void drm_ttm_fixup_caching(struct drm_ttm * ttm);
extern struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index);
extern void drm_ttm_cache_flush(void);
extern int drm_ttm_populate(struct drm_ttm * ttm);
/*
* Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this,
@ -333,6 +346,8 @@ struct drm_bo_mem_reg {
uint32_t mem_type;
uint64_t flags;
uint64_t mask;
uint32_t desired_tile_stride;
uint32_t hw_tile_stride;
};
struct drm_buffer_object {
@ -356,10 +371,13 @@ struct drm_buffer_object {
uint32_t fence_type;
uint32_t fence_class;
uint32_t new_fence_type;
uint32_t new_fence_class;
struct drm_fence_object *fence;
uint32_t priv_flags;
wait_queue_head_t event_queue;
struct mutex mutex;
unsigned long num_pages;
/* For pinned buffers */
int pinned;
@ -368,7 +386,6 @@ struct drm_buffer_object {
struct list_head pinned_lru;
/* For vm */
struct drm_ttm *ttm;
struct drm_map_list map_list;
uint32_t memory_type;
@ -395,6 +412,7 @@ struct drm_mem_type_manager {
struct list_head pinned;
uint32_t flags;
uint32_t drm_bus_maptype;
unsigned long gpu_offset;
unsigned long io_offset;
unsigned long io_size;
void *io_addr;
@ -434,7 +452,8 @@ struct drm_bo_driver {
uint32_t num_mem_busy_prio;
struct drm_ttm_backend *(*create_ttm_backend_entry)
(struct drm_device * dev);
int (*fence_type) (struct drm_buffer_object *bo, uint32_t * type);
int (*fence_type) (struct drm_buffer_object *bo, uint32_t *fclass,
uint32_t * type);
int (*invalidate_caches) (struct drm_device * dev, uint64_t flags);
int (*init_mem_type) (struct drm_device * dev, uint32_t type,
struct drm_mem_type_manager * man);
@ -472,32 +491,44 @@ extern int drm_bo_pci_offset(struct drm_device *dev,
extern int drm_mem_reg_is_pci(struct drm_device *dev, struct drm_bo_mem_reg * mem);
extern void drm_bo_usage_deref_locked(struct drm_buffer_object ** bo);
extern int drm_fence_buffer_objects(struct drm_file * priv,
extern void drm_bo_usage_deref_unlocked(struct drm_buffer_object ** bo);
extern void drm_putback_buffer_objects(struct drm_device *dev);
extern int drm_fence_buffer_objects(struct drm_device * dev,
struct list_head *list,
uint32_t fence_flags,
struct drm_fence_object * fence,
struct drm_fence_object ** used_fence);
extern void drm_bo_add_to_lru(struct drm_buffer_object * bo);
extern int drm_buffer_object_create(struct drm_device *dev, unsigned long size,
enum drm_bo_type type, uint64_t mask,
uint32_t hint, uint32_t page_alignment,
unsigned long buffer_start,
struct drm_buffer_object **bo);
extern int drm_bo_wait(struct drm_buffer_object * bo, int lazy, int ignore_signals,
int no_wait);
extern int drm_bo_mem_space(struct drm_buffer_object * bo,
struct drm_bo_mem_reg * mem, int no_wait);
extern int drm_bo_move_buffer(struct drm_buffer_object * bo, uint32_t new_mem_flags,
int no_wait, int move_unfenced);
extern int drm_buffer_object_create(struct drm_device *dev, unsigned long size,
enum drm_bo_type type, uint64_t mask,
uint32_t hint, uint32_t page_alignment,
unsigned long buffer_start,
struct drm_buffer_object **bo);
extern int drm_bo_clean_mm(struct drm_device * dev, unsigned mem_type);
extern int drm_bo_init_mm(struct drm_device * dev, unsigned type,
unsigned long p_offset, unsigned long p_size);
extern int drm_bo_clean_mm(struct drm_device *dev, unsigned mem_type);
extern int drm_bo_add_user_object(struct drm_file *file_priv,
struct drm_buffer_object *bo, int sharable);
extern void drm_bo_usage_deref_unlocked(struct drm_buffer_object **bo);
extern int drm_bo_handle_validate(struct drm_file * file_priv, uint32_t handle,
uint32_t fence_class, uint64_t flags,
uint64_t mask, uint32_t hint,
struct drm_bo_info_rep * rep,
struct drm_buffer_object **bo_rep);
extern struct drm_buffer_object *drm_lookup_buffer_object(struct drm_file * file_priv,
uint32_t handle,
int check_owner);
extern int drm_bo_do_validate(struct drm_buffer_object *bo,
uint64_t flags, uint64_t mask, uint32_t hint,
uint32_t fence_class,
int no_wait,
struct drm_bo_info_rep *rep);
/*
* Buffer object memory move helpers.
* Buffer object memory move- and map helpers.
* drm_bo_move.c
*/
@ -513,11 +544,69 @@ extern int drm_bo_move_accel_cleanup(struct drm_buffer_object * bo,
uint32_t fence_type,
uint32_t fence_flags,
struct drm_bo_mem_reg * new_mem);
extern int drm_bo_same_page(unsigned long offset, unsigned long offset2);
extern unsigned long drm_bo_offset_end(unsigned long offset,
unsigned long end);
extern int drm_mem_reg_ioremap(struct drm_device *dev,
struct drm_bo_mem_reg *mem, void **virtual);
extern void drm_mem_reg_iounmap(struct drm_device *dev,
struct drm_bo_mem_reg *mem, void *virtual);
struct drm_bo_kmap_obj {
void *virtual;
struct page *page;
enum {
bo_map_iomap,
bo_map_vmap,
bo_map_kmap,
bo_map_premapped,
} bo_kmap_type;
};
static inline void *drm_bmo_virtual(struct drm_bo_kmap_obj *map, int *is_iomem)
{
*is_iomem = (map->bo_kmap_type == bo_map_iomap ||
map->bo_kmap_type == bo_map_premapped);
return map->virtual;
}
extern void drm_bo_kunmap(struct drm_bo_kmap_obj *map);
extern int drm_bo_kmap(struct drm_buffer_object *bo, unsigned long start_page,
unsigned long num_pages, struct drm_bo_kmap_obj *map);
/*
* drm_regman.c
*/
struct drm_reg {
struct list_head head;
struct drm_fence_object *fence;
uint32_t fence_type;
uint32_t new_fence_type;
};
struct drm_reg_manager {
struct list_head free;
struct list_head lru;
struct list_head unfenced;
int (*reg_reusable)(const struct drm_reg *reg, const void *data);
void (*reg_destroy)(struct drm_reg *reg);
};
extern int drm_regs_alloc(struct drm_reg_manager *manager,
const void *data,
uint32_t fence_class,
uint32_t fence_type,
int interruptible,
int no_wait,
struct drm_reg **reg);
extern void drm_regs_fence(struct drm_reg_manager *regs,
struct drm_fence_object *fence);
extern void drm_regs_free(struct drm_reg_manager *manager);
extern void drm_regs_add(struct drm_reg_manager *manager, struct drm_reg *reg);
extern void drm_regs_init(struct drm_reg_manager *manager,
int (*reg_reusable)(const struct drm_reg *,
const void *),
void (*reg_destroy)(struct drm_reg *));
#ifdef CONFIG_DEBUG_MUTEXES
#define DRM_ASSERT_LOCKED(_mutex) \
@ -526,5 +615,4 @@ extern void drm_mem_reg_iounmap(struct drm_device *dev,
#else
#define DRM_ASSERT_LOCKED(_mutex)
#endif
#endif

12
linux-core/drm_ttm.c
View File

@ -35,11 +35,12 @@ static void drm_ttm_ipi_handler(void *null)
flush_agp_cache();
}
static void drm_ttm_cache_flush(void)
void drm_ttm_cache_flush(void)
{
if (on_each_cpu(drm_ttm_ipi_handler, NULL, 1, 1) != 0)
DRM_ERROR("Timed out waiting for drm cache flush.\n");
}
EXPORT_SYMBOL(drm_ttm_cache_flush);
/*
* Use kmalloc if possible. Otherwise fall back to vmalloc.
@ -207,7 +208,7 @@ struct page *drm_ttm_get_page(struct drm_ttm * ttm, int index)
return p;
}
static int drm_ttm_populate(struct drm_ttm * ttm)
int drm_ttm_populate(struct drm_ttm * ttm)
{
struct page *page;
unsigned long i;
@ -308,7 +309,7 @@ void drm_ttm_unbind(struct drm_ttm * ttm)
drm_ttm_fixup_caching(ttm);
}
int drm_bind_ttm(struct drm_ttm * ttm, int cached, unsigned long aper_offset)
int drm_bind_ttm(struct drm_ttm * ttm, struct drm_bo_mem_reg *bo_mem)
{
int ret = 0;
@ -325,17 +326,16 @@ int drm_bind_ttm(struct drm_ttm * ttm, int cached, unsigned long aper_offset)
if (ret)
return ret;
if (ttm->state == ttm_unbound && !cached) {
if (ttm->state == ttm_unbound && !(bo_mem->flags & DRM_BO_FLAG_CACHED)) {
drm_set_caching(ttm, DRM_TTM_PAGE_UNCACHED);
}
if ((ret = be->func->bind(be, aper_offset, cached))) {
if ((ret = be->func->bind(be, bo_mem))) {
ttm->state = ttm_evicted;
DRM_ERROR("Couldn't bind backend.\n");
return ret;
}
ttm->aper_offset = aper_offset;
ttm->state = ttm_bound;
return 0;

9
linux-core/i915_buffer.c
View File

@ -38,7 +38,9 @@ struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device * dev)
return drm_agp_init_ttm(dev);
}
int i915_fence_types(struct drm_buffer_object *bo, uint32_t * type)
int i915_fence_types(struct drm_buffer_object *bo,
uint32_t * fclass,
uint32_t * type)
{
if (bo->mem.flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
*type = 3;
@ -71,6 +73,7 @@ int i915_init_mem_type(struct drm_device * dev, uint32_t type,
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_CACHED;
man->drm_bus_maptype = 0;
man->gpu_offset = 0;
break;
case DRM_BO_MEM_TT:
if (!(drm_core_has_AGP(dev) && dev->agp)) {
@ -84,6 +87,7 @@ int i915_init_mem_type(struct drm_device * dev, uint32_t type,
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
man->drm_bus_maptype = _DRM_AGP;
man->gpu_offset = 0;
break;
case DRM_BO_MEM_PRIV0:
if (!(drm_core_has_AGP(dev) && dev->agp)) {
@ -97,6 +101,7 @@ int i915_init_mem_type(struct drm_device * dev, uint32_t type,
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_FIXED | _DRM_FLAG_NEEDS_IOREMAP;
man->drm_bus_maptype = _DRM_AGP;
man->gpu_offset = 0;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
@ -196,7 +201,7 @@ static int i915_move_flip(struct drm_buffer_object * bo,
if (ret)
return ret;
ret = drm_bind_ttm(bo->ttm, 1, tmp_mem.mm_node->start);
ret = drm_bind_ttm(bo->ttm, &tmp_mem);
if (ret)
goto out_cleanup;

7
linux-core/i915_fence.c
View File

@ -63,7 +63,8 @@ static void i915_perform_flush(struct drm_device * dev)
diff = (sequence - fc->last_exe_flush) & BREADCRUMB_MASK;
if (diff < driver->wrap_diff && diff != 0) {
drm_fence_handler(dev, 0, sequence, DRM_FENCE_TYPE_EXE);
drm_fence_handler(dev, 0, sequence,
DRM_FENCE_TYPE_EXE, 0);
}
if (dev_priv->fence_irq_on && !fc->pending_exe_flush) {
@ -82,7 +83,7 @@ static void i915_perform_flush(struct drm_device * dev)
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
drm_fence_handler(dev, 0, flush_sequence, flush_flags);
drm_fence_handler(dev, 0, flush_sequence, flush_flags, 0);
}
}
@ -103,7 +104,7 @@ static void i915_perform_flush(struct drm_device * dev)
flush_flags = dev_priv->flush_flags;
flush_sequence = dev_priv->flush_sequence;
dev_priv->flush_pending = 0;
drm_fence_handler(dev, 0, flush_sequence, flush_flags);
drm_fence_handler(dev, 0, flush_sequence, flush_flags, 0);
}
}

16
linux-core/nouveau_sgdma.c
View File

@ -80,16 +80,16 @@ nouveau_sgdma_clear(struct drm_ttm_backend *be)
}
static int
nouveau_sgdma_bind(struct drm_ttm_backend *be, unsigned long pg_start,
int cached)
nouveau_sgdma_bind(struct drm_ttm_backend *be, struct drm_bo_mem_reg *mem)
{
struct nouveau_sgdma_be *nvbe = (struct nouveau_sgdma_be *)be;
struct drm_nouveau_private *dev_priv = nvbe->dev->dev_private;
struct nouveau_gpuobj *gpuobj = dev_priv->gart_info.sg_ctxdma;
uint64_t offset = (pg_start << PAGE_SHIFT);
uint64_t offset = (mem->mm_node->start << PAGE_SHIFT);
uint32_t i;
DRM_DEBUG("pg=0x%lx (0x%llx), cached=%d\n", pg_start, offset, cached);
DRM_DEBUG("pg=0x%lx (0x%llx), cached=%d\n", mem->mm_node->start,
offset, (mem->flags & DRM_BO_FLAG_CACHED) == 1);
if (offset & NV_CTXDMA_PAGE_MASK)
return -EINVAL;
@ -188,7 +188,6 @@ nouveau_sgdma_init_ttm(struct drm_device *dev)
nvbe->dev = dev;
nvbe->backend.func = &nouveau_sgdma_backend;
nvbe->backend.mem_type = DRM_BO_MEM_TT;
return &nvbe->backend;
}
@ -278,6 +277,8 @@ nouveau_sgdma_nottm_hack_init(struct drm_device *dev)
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_ttm_backend *be;
struct drm_scatter_gather sgreq;
struct drm_mm_node mm_node;
struct drm_bo_mem_reg mem;
int ret;
dev_priv->gart_info.sg_be = nouveau_sgdma_init_ttm(dev);
@ -303,7 +304,10 @@ nouveau_sgdma_nottm_hack_init(struct drm_device *dev)
return ret;
}
if ((ret = be->func->bind(be, 0, 0))) {
mm_node.start = 0;
mem.mm_node = &mm_node;
if ((ret = be->func->bind(be, &mem))) {
DRM_ERROR("failed bind: %d\n", ret);
return ret;
}

3
linux-core/via_buffer.c
View File

@ -37,7 +37,8 @@ struct drm_ttm_backend *via_create_ttm_backend_entry(struct drm_device * dev)
return drm_agp_init_ttm(dev);
}
int via_fence_types(struct drm_buffer_object *bo, uint32_t * type)
int via_fence_types(struct drm_buffer_object *bo, uint32_t * fclass,
uint32_t * type)
{
*type = 3;
return 0;

3
linux-core/via_fence.c
View File

@ -98,7 +98,8 @@ static uint32_t via_perform_flush(struct drm_device *dev, uint32_t class)
drm_idlelock_release(&dev->lock);
dev_priv->have_idlelock = 0;
}
drm_fence_handler(dev, 0, dev_priv->emit_0_sequence, signaled_flush_types);
drm_fence_handler(dev, 0, dev_priv->emit_0_sequence,
signaled_flush_types, 0);
}
}

2
linux-core/xgi_fence.c
View File

@ -60,7 +60,7 @@ static uint32_t xgi_do_flush(struct drm_device * dev, uint32_t class)
if (signaled_flush_types) {
drm_fence_handler(dev, 0, info->complete_sequence,
signaled_flush_types);
signaled_flush_types, 0);
}
}

3
shared-core/drm.h
View File

@ -639,6 +639,7 @@ struct drm_set_version {
#define DRM_FENCE_FLAG_SHAREABLE 0x00000002
#define DRM_FENCE_FLAG_WAIT_LAZY 0x00000004
#define DRM_FENCE_FLAG_WAIT_IGNORE_SIGNALS 0x00000008
#define DRM_FENCE_FLAG_NO_USER 0x00000010
/* Reserved for driver use */
#define DRM_FENCE_MASK_DRIVER 0xFF000000
@ -651,7 +652,7 @@ struct drm_fence_arg {
unsigned int type;
unsigned int flags;
unsigned int signaled;
unsigned int pad64;
unsigned int error;
uint64_t expand_pad[3]; /*Future expansion */
};

3
shared-core/i915_drv.h
View File

@ -214,7 +214,8 @@ extern int i915_fence_has_irq(struct drm_device *dev, uint32_t class, uint32_t f
#ifdef I915_HAVE_BUFFER
/* i915_buffer.c */
extern struct drm_ttm_backend *i915_create_ttm_backend_entry(struct drm_device *dev);
extern int i915_fence_types(struct drm_buffer_object *bo, uint32_t *type);
extern int i915_fence_types(struct drm_buffer_object *bo, uint32_t *fclass,
uint32_t *type);
extern int i915_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags);
extern int i915_init_mem_type(struct drm_device *dev, uint32_t type,
struct drm_mem_type_manager *man);

3
shared-core/via_drv.h
View File

@ -206,7 +206,8 @@ extern int via_fence_has_irq(struct drm_device * dev, uint32_t class,
#ifdef VIA_HAVE_BUFFER
extern struct drm_ttm_backend *via_create_ttm_backend_entry(struct drm_device *dev);
extern int via_fence_types(struct drm_buffer_object *bo, uint32_t *type);
extern int via_fence_types(struct drm_buffer_object *bo, uint32_t *fclass,
uint32_t *type);
extern int via_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags);
extern int via_init_mem_type(struct drm_device *dev, uint32_t type,
struct drm_mem_type_manager *man);