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Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

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This commit is contained in:
Linus Torvalds 2006-02-02 07:49:43 -08:00
commit cf41f8ac38
28 changed files with 248 additions and 175 deletions
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17
drivers/char/drm/ati_pcigart.c
View File

@ -59,17 +59,16 @@ static void *drm_ati_alloc_pcigart_table(void)
int i;
DRM_DEBUG("%s\n", __FUNCTION__);
address = __get_free_pages(GFP_KERNEL, ATI_PCIGART_TABLE_ORDER);
address = __get_free_pages(GFP_KERNEL | __GFP_COMP,
ATI_PCIGART_TABLE_ORDER);
if (address == 0UL) {
return 0;
return NULL;
}
page = virt_to_page(address);
for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
get_page(page);
for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++)
SetPageReserved(page);
}
DRM_DEBUG("%s: returning 0x%08lx\n", __FUNCTION__, address);
return (void *)address;
@ -83,10 +82,8 @@ static void drm_ati_free_pcigart_table(void *address)
page = virt_to_page((unsigned long)address);
for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++) {
__put_page(page);
for (i = 0; i < ATI_PCIGART_TABLE_PAGES; i++, page++)
ClearPageReserved(page);
}
free_pages((unsigned long)address, ATI_PCIGART_TABLE_ORDER);
}
@ -127,7 +124,7 @@ int drm_ati_pcigart_cleanup(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN
&& gart_info->addr) {
drm_ati_free_pcigart_table(gart_info->addr);
gart_info->addr = 0;
gart_info->addr = NULL;
}
return 1;
@ -168,7 +165,7 @@ int drm_ati_pcigart_init(drm_device_t *dev, drm_ati_pcigart_info *gart_info)
if (bus_address == 0) {
DRM_ERROR("unable to map PCIGART pages!\n");
drm_ati_free_pcigart_table(address);
address = 0;
address = NULL;
goto done;
}
} else {

5
drivers/char/drm/drmP.h
View File

@ -57,6 +57,7 @@
#include <linux/smp_lock.h> /* For (un)lock_kernel */
#include <linux/mm.h>
#include <linux/cdev.h>
#include <linux/mutex.h>
#if defined(__alpha__) || defined(__powerpc__)
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif
@ -623,7 +624,7 @@ typedef struct drm_device {
/** \name Locks */
/*@{ */
spinlock_t count_lock; /**< For inuse, drm_device::open_count, drm_device::buf_use */
struct semaphore struct_sem; /**< For others */
struct mutex struct_mutex; /**< For others */
/*@} */
/** \name Usage Counters */
@ -658,7 +659,7 @@ typedef struct drm_device {
/*@{ */
drm_ctx_list_t *ctxlist; /**< Linked list of context handles */
int ctx_count; /**< Number of context handles */
struct semaphore ctxlist_sem; /**< For ctxlist */
struct mutex ctxlist_mutex; /**< For ctxlist */
drm_map_t **context_sareas; /**< per-context SAREA's */
int max_context;

20
drivers/char/drm/drm_auth.c
View File

@ -56,7 +56,7 @@ static int drm_hash_magic(drm_magic_t magic)
* \param magic magic number.
*
* Searches in drm_device::magiclist within all files with the same hash key
* the one with matching magic number, while holding the drm_device::struct_sem
* the one with matching magic number, while holding the drm_device::struct_mutex
* lock.
*/
static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
@ -65,14 +65,14 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
drm_magic_entry_t *pt;
int hash = drm_hash_magic(magic);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (pt = dev->magiclist[hash].head; pt; pt = pt->next) {
if (pt->magic == magic) {
retval = pt->priv;
break;
}
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return retval;
}
@ -85,7 +85,7 @@ static drm_file_t *drm_find_file(drm_device_t * dev, drm_magic_t magic)
*
* Creates a drm_magic_entry structure and appends to the linked list
* associated the magic number hash key in drm_device::magiclist, while holding
* the drm_device::struct_sem lock.
* the drm_device::struct_mutex lock.
*/
static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
drm_magic_t magic)
@ -104,7 +104,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
entry->priv = priv;
entry->next = NULL;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (dev->magiclist[hash].tail) {
dev->magiclist[hash].tail->next = entry;
dev->magiclist[hash].tail = entry;
@ -112,7 +112,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
dev->magiclist[hash].head = entry;
dev->magiclist[hash].tail = entry;
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return 0;
}
@ -124,7 +124,7 @@ static int drm_add_magic(drm_device_t * dev, drm_file_t * priv,
* \param magic magic number.
*
* Searches and unlinks the entry in drm_device::magiclist with the magic
* number hash key, while holding the drm_device::struct_sem lock.
* number hash key, while holding the drm_device::struct_mutex lock.
*/
static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
{
@ -135,7 +135,7 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
DRM_DEBUG("%d\n", magic);
hash = drm_hash_magic(magic);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (pt = dev->magiclist[hash].head; pt; prev = pt, pt = pt->next) {
if (pt->magic == magic) {
if (dev->magiclist[hash].head == pt) {
@ -147,11 +147,11 @@ static int drm_remove_magic(drm_device_t * dev, drm_magic_t magic)
if (prev) {
prev->next = pt->next;
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return 0;
}
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
drm_free(pt, sizeof(*pt), DRM_MEM_MAGIC);

80
drivers/char/drm/drm_bufs.c
View File

@ -255,14 +255,14 @@ static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
memset(list, 0, sizeof(*list));
list->map = map;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
list_add(&list->head, &dev->maplist->head);
/* Assign a 32-bit handle */
/* We do it here so that dev->struct_sem protects the increment */
/* We do it here so that dev->struct_mutex protects the increment */
list->user_token = HandleID(map->type == _DRM_SHM
? (unsigned long)map->handle
: map->offset, dev);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
*maplist = list;
return 0;
@ -392,9 +392,9 @@ int drm_rmmap(drm_device_t *dev, drm_local_map_t *map)
{
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm_rmmap_locked(dev, map);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -423,7 +423,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
return -EFAULT;
}
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
list_for_each(list, &dev->maplist->head) {
drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
@ -439,7 +439,7 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
* find anything.
*/
if (list == (&dev->maplist->head)) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
@ -448,13 +448,13 @@ int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
/* Register and framebuffer maps are permanent */
if ((map->type == _DRM_REGISTERS) || (map->type == _DRM_FRAME_BUFFER)) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return 0;
}
ret = drm_rmmap_locked(dev, map);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -566,16 +566,16 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
atomic_inc(&dev->buf_alloc);
spin_unlock(&dev->count_lock);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
entry = &dma->bufs[order];
if (entry->buf_count) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM; /* May only call once for each order */
}
if (count < 0 || count > 4096) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -EINVAL;
}
@ -583,7 +583,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -616,7 +616,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -638,7 +638,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
if (!temp_buflist) {
/* Free the entry because it isn't valid */
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -656,7 +656,7 @@ int drm_addbufs_agp(drm_device_t * dev, drm_buf_desc_t * request)
DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
request->count = entry->buf_count;
request->size = size;
@ -722,16 +722,16 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
atomic_inc(&dev->buf_alloc);
spin_unlock(&dev->count_lock);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
entry = &dma->bufs[order];
if (entry->buf_count) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM; /* May only call once for each order */
}
if (count < 0 || count > 4096) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -EINVAL;
}
@ -739,7 +739,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -750,7 +750,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
if (!entry->seglist) {
drm_free(entry->buflist,
count * sizeof(*entry->buflist), DRM_MEM_BUFS);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -766,7 +766,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
count * sizeof(*entry->buflist), DRM_MEM_BUFS);
drm_free(entry->seglist,
count * sizeof(*entry->seglist), DRM_MEM_SEGS);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -790,7 +790,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
drm_free(temp_pagelist,
(dma->page_count + (count << page_order))
* sizeof(*dma->pagelist), DRM_MEM_PAGES);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -831,7 +831,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
(count << page_order))
* sizeof(*dma->pagelist),
DRM_MEM_PAGES);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -853,7 +853,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
drm_free(temp_pagelist,
(dma->page_count + (count << page_order))
* sizeof(*dma->pagelist), DRM_MEM_PAGES);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -878,7 +878,7 @@ int drm_addbufs_pci(drm_device_t * dev, drm_buf_desc_t * request)
dma->page_count += entry->seg_count << page_order;
dma->byte_count += PAGE_SIZE * (entry->seg_count << page_order);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
request->count = entry->buf_count;
request->size = size;
@ -948,16 +948,16 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
atomic_inc(&dev->buf_alloc);
spin_unlock(&dev->count_lock);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
entry = &dma->bufs[order];
if (entry->buf_count) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM; /* May only call once for each order */
}
if (count < 0 || count > 4096) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -EINVAL;
}
@ -965,7 +965,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -999,7 +999,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -1022,7 +1022,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
if (!temp_buflist) {
/* Free the entry because it isn't valid */
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -1040,7 +1040,7 @@ static int drm_addbufs_sg(drm_device_t * dev, drm_buf_desc_t * request)
DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
request->count = entry->buf_count;
request->size = size;
@ -1110,16 +1110,16 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
atomic_inc(&dev->buf_alloc);
spin_unlock(&dev->count_lock);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
entry = &dma->bufs[order];
if (entry->buf_count) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM; /* May only call once for each order */
}
if (count < 0 || count > 4096) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -EINVAL;
}
@ -1127,7 +1127,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
entry->buflist = drm_alloc(count * sizeof(*entry->buflist),
DRM_MEM_BUFS);
if (!entry->buflist) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -1160,7 +1160,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -1182,7 +1182,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
if (!temp_buflist) {
/* Free the entry because it isn't valid */
drm_cleanup_buf_error(dev, entry);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
@ -1200,7 +1200,7 @@ int drm_addbufs_fb(drm_device_t * dev, drm_buf_desc_t * request)
DRM_DEBUG("dma->buf_count : %d\n", dma->buf_count);
DRM_DEBUG("entry->buf_count : %d\n", entry->buf_count);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
request->count = entry->buf_count;
request->size = size;

52
drivers/char/drm/drm_context.c
View File

@ -53,7 +53,7 @@
* \param ctx_handle context handle.
*
* Clears the bit specified by \p ctx_handle in drm_device::ctx_bitmap and the entry
* in drm_device::context_sareas, while holding the drm_device::struct_sem
* in drm_device::context_sareas, while holding the drm_device::struct_mutex
* lock.
*/
void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
@ -64,10 +64,10 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
goto failed;
if (ctx_handle < DRM_MAX_CTXBITMAP) {
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
clear_bit(ctx_handle, dev->ctx_bitmap);
dev->context_sareas[ctx_handle] = NULL;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return;
}
failed:
@ -83,7 +83,7 @@ void drm_ctxbitmap_free(drm_device_t * dev, int ctx_handle)
*
* Find the first zero bit in drm_device::ctx_bitmap and (re)allocates
* drm_device::context_sareas to accommodate the new entry while holding the
* drm_device::struct_sem lock.
* drm_device::struct_mutex lock.
*/
static int drm_ctxbitmap_next(drm_device_t * dev)
{
@ -92,7 +92,7 @@ static int drm_ctxbitmap_next(drm_device_t * dev)
if (!dev->ctx_bitmap)
return -1;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
bit = find_first_zero_bit(dev->ctx_bitmap, DRM_MAX_CTXBITMAP);
if (bit < DRM_MAX_CTXBITMAP) {
set_bit(bit, dev->ctx_bitmap);
@ -113,7 +113,7 @@ static int drm_ctxbitmap_next(drm_device_t * dev)
DRM_MEM_MAPS);
if (!ctx_sareas) {
clear_bit(bit, dev->ctx_bitmap);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -1;
}
dev->context_sareas = ctx_sareas;
@ -126,16 +126,16 @@ static int drm_ctxbitmap_next(drm_device_t * dev)
DRM_MEM_MAPS);
if (!dev->context_sareas) {
clear_bit(bit, dev->ctx_bitmap);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -1;
}
dev->context_sareas[bit] = NULL;
}
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return bit;
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -1;
}
@ -145,24 +145,24 @@ static int drm_ctxbitmap_next(drm_device_t * dev)
* \param dev DRM device.
*
* Allocates and initialize drm_device::ctx_bitmap and drm_device::context_sareas, while holding
* the drm_device::struct_sem lock.
* the drm_device::struct_mutex lock.
*/
int drm_ctxbitmap_init(drm_device_t * dev)
{
int i;
int temp;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
dev->ctx_bitmap = (unsigned long *)drm_alloc(PAGE_SIZE,
DRM_MEM_CTXBITMAP);
if (dev->ctx_bitmap == NULL) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -ENOMEM;
}
memset((void *)dev->ctx_bitmap, 0, PAGE_SIZE);
dev->context_sareas = NULL;
dev->max_context = -1;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) {
temp = drm_ctxbitmap_next(dev);
@ -178,17 +178,17 @@ int drm_ctxbitmap_init(drm_device_t * dev)
* \param dev DRM device.
*
* Frees drm_device::ctx_bitmap and drm_device::context_sareas, while holding
* the drm_device::struct_sem lock.
* the drm_device::struct_mutex lock.
*/
void drm_ctxbitmap_cleanup(drm_device_t * dev)
{
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (dev->context_sareas)
drm_free(dev->context_sareas,
sizeof(*dev->context_sareas) *
dev->max_context, DRM_MEM_MAPS);
drm_free((void *)dev->ctx_bitmap, PAGE_SIZE, DRM_MEM_CTXBITMAP);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
}
/*@}*/
@ -222,15 +222,15 @@ int drm_getsareactx(struct inode *inode, struct file *filp,
if (copy_from_user(&request, argp, sizeof(request)))
return -EFAULT;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (dev->max_context < 0
|| request.ctx_id >= (unsigned)dev->max_context) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
map = dev->context_sareas[request.ctx_id];
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
request.handle = NULL;
list_for_each_entry(_entry, &dev->maplist->head, head) {
@ -274,7 +274,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
(drm_ctx_priv_map_t __user *) arg, sizeof(request)))
return -EFAULT;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
list_for_each(list, &dev->maplist->head) {
r_list = list_entry(list, drm_map_list_t, head);
if (r_list->map
@ -282,7 +282,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
goto found;
}
bad:
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
found:
@ -294,7 +294,7 @@ int drm_setsareactx(struct inode *inode, struct file *filp,
if (request.ctx_id >= (unsigned)dev->max_context)
goto bad;
dev->context_sareas[request.ctx_id] = map;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return 0;
}
@ -448,10 +448,10 @@ int drm_addctx(struct inode *inode, struct file *filp,
ctx_entry->handle = ctx.handle;
ctx_entry->tag = priv;
down(&dev->ctxlist_sem);
mutex_lock(&dev->ctxlist_mutex);
list_add(&ctx_entry->head, &dev->ctxlist->head);
++dev->ctx_count;
up(&dev->ctxlist_sem);
mutex_unlock(&dev->ctxlist_mutex);
if (copy_to_user(argp, &ctx, sizeof(ctx)))
return -EFAULT;
@ -574,7 +574,7 @@ int drm_rmctx(struct inode *inode, struct file *filp,
drm_ctxbitmap_free(dev, ctx.handle);
}
down(&dev->ctxlist_sem);
mutex_lock(&dev->ctxlist_mutex);
if (!list_empty(&dev->ctxlist->head)) {
drm_ctx_list_t *pos, *n;
@ -586,7 +586,7 @@ int drm_rmctx(struct inode *inode, struct file *filp,
}
}
}
up(&dev->ctxlist_sem);
mutex_unlock(&dev->ctxlist_mutex);
return 0;
}

4
drivers/char/drm/drm_drv.c
View File

@ -151,7 +151,7 @@ int drm_lastclose(drm_device_t * dev)
if (dev->irq_enabled)
drm_irq_uninstall(dev);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
del_timer(&dev->timer);
/* Clear pid list */
@ -231,7 +231,7 @@ int drm_lastclose(drm_device_t * dev)
dev->lock.filp = NULL;
wake_up_interruptible(&dev->lock.lock_queue);
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("lastclose completed\n");
return 0;

12
drivers/char/drm/drm_fops.c
View File

@ -262,7 +262,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
goto out_free;
}
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (!dev->file_last) {
priv->next = NULL;
priv->prev = NULL;
@ -276,7 +276,7 @@ static int drm_open_helper(struct inode *inode, struct file *filp,
dev->file_last->next = priv;
dev->file_last = priv;
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
#ifdef __alpha__
/*
@ -413,7 +413,7 @@ int drm_release(struct inode *inode, struct file *filp)
drm_fasync(-1, filp, 0);
down(&dev->ctxlist_sem);
mutex_lock(&dev->ctxlist_mutex);
if (dev->ctxlist && (!list_empty(&dev->ctxlist->head))) {
drm_ctx_list_t *pos, *n;
@ -432,9 +432,9 @@ int drm_release(struct inode *inode, struct file *filp)
}
}
}
up(&dev->ctxlist_sem);
mutex_unlock(&dev->ctxlist_mutex);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (priv->remove_auth_on_close == 1) {
drm_file_t *temp = dev->file_first;
while (temp) {
@ -452,7 +452,7 @@ int drm_release(struct inode *inode, struct file *filp)
} else {
dev->file_last = priv->prev;
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
if (dev->driver->postclose)
dev->driver->postclose(dev, priv);

18
drivers/char/drm/drm_ioctl.c
View File

@ -194,9 +194,9 @@ int drm_getmap(struct inode *inode, struct file *filp,
return -EFAULT;
idx = map.offset;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
if (idx < 0) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
@ -209,7 +209,7 @@ int drm_getmap(struct inode *inode, struct file *filp,
i++;
}
if (!r_list || !r_list->map) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
@ -219,7 +219,7 @@ int drm_getmap(struct inode *inode, struct file *filp,
map.flags = r_list->map->flags;
map.handle = (void *)(unsigned long)r_list->user_token;
map.mtrr = r_list->map->mtrr;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
if (copy_to_user(argp, &map, sizeof(map)))
return -EFAULT;
@ -253,11 +253,11 @@ int drm_getclient(struct inode *inode, struct file *filp,
if (copy_from_user(&client, argp, sizeof(client)))
return -EFAULT;
idx = client.idx;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next) ;
if (!pt) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
client.auth = pt->authenticated;
@ -265,7 +265,7 @@ int drm_getclient(struct inode *inode, struct file *filp,
client.uid = pt->uid;
client.magic = pt->magic;
client.iocs = pt->ioctl_count;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
if (copy_to_user(argp, &client, sizeof(client)))
return -EFAULT;
@ -292,7 +292,7 @@ int drm_getstats(struct inode *inode, struct file *filp,
memset(&stats, 0, sizeof(stats));
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (i = 0; i < dev->counters; i++) {
if (dev->types[i] == _DRM_STAT_LOCK)
@ -305,7 +305,7 @@ int drm_getstats(struct inode *inode, struct file *filp,
stats.count = dev->counters;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
if (copy_to_user((drm_stats_t __user *) arg, &stats, sizeof(stats)))
return -EFAULT;

16
drivers/char/drm/drm_irq.c
View File

@ -98,20 +98,20 @@ static int drm_irq_install(drm_device_t * dev)
if (dev->irq == 0)
return -EINVAL;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
/* Driver must have been initialized */
if (!dev->dev_private) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EINVAL;
}
if (dev->irq_enabled) {
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return -EBUSY;
}
dev->irq_enabled = 1;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
DRM_DEBUG("%s: irq=%d\n", __FUNCTION__, dev->irq);
@ -135,9 +135,9 @@ static int drm_irq_install(drm_device_t * dev)
ret = request_irq(dev->irq, dev->driver->irq_handler,
sh_flags, dev->devname, dev);
if (ret < 0) {
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
dev->irq_enabled = 0;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -161,10 +161,10 @@ int drm_irq_uninstall(drm_device_t * dev)
if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
return -EINVAL;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
irq_enabled = dev->irq_enabled;
dev->irq_enabled = 0;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
if (!irq_enabled)
return -EINVAL;

2
drivers/char/drm/drm_pciids.h
View File

@ -3,6 +3,7 @@
Please contact dri-devel@lists.sf.net to add new cards to this list
*/
#define radeon_PCI_IDS \
{0x1002, 0x3150, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV350},\
{0x1002, 0x4136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS100|CHIP_IS_IGP}, \
{0x1002, 0x4137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS200|CHIP_IS_IGP}, \
{0x1002, 0x4144, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R300}, \
@ -242,5 +243,6 @@
{0x8086, 0x2582, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
{0x8086, 0x2592, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
{0x8086, 0x2772, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
{0x8086, 0x27a2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, \
{0, 0, 0}

28
drivers/char/drm/drm_proc.c
View File

@ -258,7 +258,7 @@ static int drm__vm_info(char *buf, char **start, off_t offset, int request,
}
/**
* Simply calls _vm_info() while holding the drm_device::struct_sem lock.
* Simply calls _vm_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_vm_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -266,9 +266,9 @@ static int drm_vm_info(char *buf, char **start, off_t offset, int request,
drm_device_t *dev = (drm_device_t *) data;
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm__vm_info(buf, start, offset, request, eof, data);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -331,7 +331,7 @@ static int drm__queues_info(char *buf, char **start, off_t offset,
}
/**
* Simply calls _queues_info() while holding the drm_device::struct_sem lock.
* Simply calls _queues_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_queues_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -339,9 +339,9 @@ static int drm_queues_info(char *buf, char **start, off_t offset, int request,
drm_device_t *dev = (drm_device_t *) data;
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm__queues_info(buf, start, offset, request, eof, data);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -403,7 +403,7 @@ static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
}
/**
* Simply calls _bufs_info() while holding the drm_device::struct_sem lock.
* Simply calls _bufs_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
int *eof, void *data)
@ -411,9 +411,9 @@ static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
drm_device_t *dev = (drm_device_t *) data;
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm__bufs_info(buf, start, offset, request, eof, data);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -459,7 +459,7 @@ static int drm__clients_info(char *buf, char **start, off_t offset,
}
/**
* Simply calls _clients_info() while holding the drm_device::struct_sem lock.
* Simply calls _clients_info() while holding the drm_device::struct_mutex lock.
*/
static int drm_clients_info(char *buf, char **start, off_t offset,
int request, int *eof, void *data)
@ -467,9 +467,9 @@ static int drm_clients_info(char *buf, char **start, off_t offset,
drm_device_t *dev = (drm_device_t *) data;
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm__clients_info(buf, start, offset, request, eof, data);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
@ -540,9 +540,9 @@ static int drm_vma_info(char *buf, char **start, off_t offset, int request,
drm_device_t *dev = (drm_device_t *) data;
int ret;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
ret = drm__vma_info(buf, start, offset, request, eof, data);
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
return ret;
}
#endif

4
drivers/char/drm/drm_stub.c
View File

@ -61,8 +61,8 @@ static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev,
spin_lock_init(&dev->count_lock);
init_timer(&dev->timer);
sema_init(&dev->struct_sem, 1);
sema_init(&dev->ctxlist_sem, 1);
mutex_init(&dev->struct_mutex);
mutex_init(&dev->ctxlist_mutex);
dev->pdev = pdev;

12
drivers/char/drm/drm_vm.c
View File

@ -188,7 +188,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
map = vma->vm_private_data;
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (pt = dev->vmalist, prev = NULL; pt; pt = next) {
next = pt->next;
if (pt->vma->vm_private_data == map)
@ -248,7 +248,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma)
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
}
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
}
/**
@ -404,12 +404,12 @@ static void drm_vm_open(struct vm_area_struct *vma)
vma_entry = drm_alloc(sizeof(*vma_entry), DRM_MEM_VMAS);
if (vma_entry) {
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
vma_entry->vma = vma;
vma_entry->next = dev->vmalist;
vma_entry->pid = current->pid;
dev->vmalist = vma_entry;
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
}
}
@ -431,7 +431,7 @@ static void drm_vm_close(struct vm_area_struct *vma)
vma->vm_start, vma->vm_end - vma->vm_start);
atomic_dec(&dev->vma_count);
down(&dev->struct_sem);
mutex_lock(&dev->struct_mutex);
for (pt = dev->vmalist, prev = NULL; pt; prev = pt, pt = pt->next) {
if (pt->vma == vma) {
if (prev) {
@ -443,7 +443,7 @@ static void drm_vm_close(struct vm_area_struct *vma)
break;
}
}
up(&dev->struct_sem);
mutex_unlock(&dev->struct_mutex);
}
/**

2
drivers/char/drm/i810_dma.c
View File

@ -958,7 +958,7 @@ static int i810_flush_queue(drm_device_t * dev)
}
/* Must be called with the lock held */
void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
static void i810_reclaim_buffers(drm_device_t * dev, struct file *filp)
{
drm_device_dma_t *dma = dev->dma;
int i;

2
drivers/char/drm/i810_drv.h
View File

@ -113,8 +113,6 @@ typedef struct drm_i810_private {
} drm_i810_private_t;
/* i810_dma.c */
extern void i810_reclaim_buffers(drm_device_t * dev, struct file *filp);
extern int i810_driver_dma_quiescent(drm_device_t * dev);
extern void i810_driver_reclaim_buffers_locked(drm_device_t * dev,
struct file *filp);

2
drivers/char/drm/i830_dma.c
View File

@ -1239,7 +1239,7 @@ static int i830_flush_queue(drm_device_t * dev)
}
/* Must be called with the lock held */
void i830_reclaim_buffers(drm_device_t * dev, struct file *filp)
static void i830_reclaim_buffers(drm_device_t * dev, struct file *filp)
{
drm_device_dma_t *dma = dev->dma;
int i;

3
drivers/char/drm/i830_drv.h
View File

@ -123,9 +123,6 @@ typedef struct drm_i830_private {
extern drm_ioctl_desc_t i830_ioctls[];
extern int i830_max_ioctl;
/* i830_dma.c */
extern void i830_reclaim_buffers(drm_device_t * dev, struct file *filp);
/* i830_irq.c */
extern int i830_irq_emit(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);

42
drivers/char/drm/i915_dma.c
View File

@ -344,18 +344,20 @@ static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
int i;
RING_LOCALS;
if ((dwords+1) * sizeof(int) >= dev_priv->ring.Size - 8)
return DRM_ERR(EINVAL);
BEGIN_LP_RING(((dwords+1)&~1));
for (i = 0; i < dwords;) {
int cmd, sz;
if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd)))
return DRM_ERR(EINVAL);
/* printk("%d/%d ", i, dwords); */
if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
return DRM_ERR(EINVAL);
BEGIN_LP_RING(sz);
OUT_RING(cmd);
while (++i, --sz) {
@ -365,9 +367,13 @@ static int i915_emit_cmds(drm_device_t * dev, int __user * buffer, int dwords)
}
OUT_RING(cmd);
}
ADVANCE_LP_RING();
}
if (dwords & 1)
OUT_RING(0);
ADVANCE_LP_RING();
return 0;
}
@ -401,6 +407,21 @@ static int i915_emit_box(drm_device_t * dev,
return 0;
}
static void i915_emit_breadcrumb(drm_device_t *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
RING_LOCALS;
dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
BEGIN_LP_RING(4);
OUT_RING(CMD_STORE_DWORD_IDX);
OUT_RING(20);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
}
static int i915_dispatch_cmdbuffer(drm_device_t * dev,
drm_i915_cmdbuffer_t * cmd)
{
@ -429,6 +450,7 @@ static int i915_dispatch_cmdbuffer(drm_device_t * dev,
return ret;
}
i915_emit_breadcrumb(dev);
return 0;
}
@ -475,12 +497,7 @@ static int i915_dispatch_batchbuffer(drm_device_t * dev,
dev_priv->sarea_priv->last_enqueue = dev_priv->counter++;
BEGIN_LP_RING(4);
OUT_RING(CMD_STORE_DWORD_IDX);
OUT_RING(20);
OUT_RING(dev_priv->counter);
OUT_RING(0);
ADVANCE_LP_RING();
i915_emit_breadcrumb(dev);
return 0;
}
@ -657,7 +674,7 @@ static int i915_getparam(DRM_IOCTL_ARGS)
value = READ_BREADCRUMB(dev_priv);
break;
default:
DRM_ERROR("Unkown parameter %d\n", param.param);
DRM_ERROR("Unknown parameter %d\n", param.param);
return DRM_ERR(EINVAL);
}
@ -742,7 +759,8 @@ drm_ioctl_desc_t i915_ioctls[] = {
[DRM_IOCTL_NR(DRM_I915_ALLOC)] = {i915_mem_alloc, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_FREE)] = {i915_mem_free, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_INIT_HEAP)] = {i915_mem_init_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY},
[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH}
[DRM_IOCTL_NR(DRM_I915_CMDBUFFER)] = {i915_cmdbuffer, DRM_AUTH},
[DRM_IOCTL_NR(DRM_I915_DESTROY_HEAP)] = { i915_mem_destroy_heap, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY }
};
int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);

33
drivers/char/drm/i915_drm.h
View File

@ -74,6 +74,30 @@ typedef struct _drm_i915_sarea {
int pf_active;
int pf_current_page; /* which buffer is being displayed? */
int perf_boxes; /* performance boxes to be displayed */
int width, height; /* screen size in pixels */
drm_handle_t front_handle;
int front_offset;
int front_size;
drm_handle_t back_handle;
int back_offset;
int back_size;
drm_handle_t depth_handle;
int depth_offset;
int depth_size;
drm_handle_t tex_handle;
int tex_offset;
int tex_size;
int log_tex_granularity;
int pitch;
int rotation; /* 0, 90, 180 or 270 */
int rotated_offset;
int rotated_size;
int rotated_pitch;
int virtualX, virtualY;
} drm_i915_sarea_t;
/* Flags for perf_boxes
@ -99,6 +123,7 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_FREE 0x09
#define DRM_I915_INIT_HEAP 0x0a
#define DRM_I915_CMDBUFFER 0x0b
#define DRM_I915_DESTROY_HEAP 0x0c
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@ -112,6 +137,7 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_FREE DRM_IOW( DRM_COMMAND_BASE + DRM_I915_FREE, drm_i915_mem_free_t)
#define DRM_IOCTL_I915_INIT_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT_HEAP, drm_i915_mem_init_heap_t)
#define DRM_IOCTL_I915_CMDBUFFER DRM_IOW( DRM_COMMAND_BASE + DRM_I915_CMDBUFFER, drm_i915_cmdbuffer_t)
#define DRM_IOCTL_I915_DESTROY_HEAP DRM_IOW( DRM_COMMAND_BASE + DRM_I915_DESTROY_HEAP, drm_i915_mem_destroy_heap_t)
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
@ -191,4 +217,11 @@ typedef struct drm_i915_mem_init_heap {
int start;
} drm_i915_mem_init_heap_t;
/* Allow memory manager to be torn down and re-initialized (eg on
* rotate):
*/
typedef struct drm_i915_mem_destroy_heap {
int region;
} drm_i915_mem_destroy_heap_t;
#endif /* _I915_DRM_H_ */

6
drivers/char/drm/i915_drv.h
View File

@ -37,16 +37,17 @@
#define DRIVER_NAME "i915"
#define DRIVER_DESC "Intel Graphics"
#define DRIVER_DATE "20051209"
#define DRIVER_DATE "20060119"
/* Interface history:
*
* 1.1: Original.
* 1.2: Add Power Management
* 1.3: Add vblank support
* 1.4: Fix cmdbuffer path, add heap destroy
*/
#define DRIVER_MAJOR 1
#define DRIVER_MINOR 3
#define DRIVER_MINOR 4
#define DRIVER_PATCHLEVEL 0
typedef struct _drm_i915_ring_buffer {
@ -123,6 +124,7 @@ extern void i915_driver_irq_uninstall(drm_device_t * dev);
extern int i915_mem_alloc(DRM_IOCTL_ARGS);
extern int i915_mem_free(DRM_IOCTL_ARGS);
extern int i915_mem_init_heap(DRM_IOCTL_ARGS);
extern int i915_mem_destroy_heap(DRM_IOCTL_ARGS);
extern void i915_mem_takedown(struct mem_block **heap);
extern void i915_mem_release(drm_device_t * dev,
DRMFILE filp, struct mem_block *heap);

31
drivers/char/drm/i915_mem.c
View File

@ -365,3 +365,34 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS)
return init_heap(heap, initheap.start, initheap.size);
}
int i915_mem_destroy_heap( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_i915_private_t *dev_priv = dev->dev_private;
drm_i915_mem_destroy_heap_t destroyheap;
struct mem_block **heap;
if ( !dev_priv ) {
DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
return DRM_ERR(EINVAL);
}
DRM_COPY_FROM_USER_IOCTL( destroyheap, (drm_i915_mem_destroy_heap_t *)data,
sizeof(destroyheap) );
heap = get_heap( dev_priv, destroyheap.region );
if (!heap) {
DRM_ERROR("get_heap failed");
return DRM_ERR(EFAULT);
}
if (!*heap) {
DRM_ERROR("heap not initialized?");
return DRM_ERR(EFAULT);
}
i915_mem_takedown( heap );
return 0;
}

2
drivers/char/drm/radeon_cp.c
View File

@ -1640,7 +1640,7 @@ static int radeon_do_cleanup_cp(drm_device_t * dev)
if (dev_priv->gart_info.gart_table_location == DRM_ATI_GART_FB)
{
drm_core_ioremapfree(&dev_priv->gart_info.mapping, dev);
dev_priv->gart_info.addr = 0;
dev_priv->gart_info.addr = NULL;
}
}
/* only clear to the start of flags */

4
drivers/char/drm/savage_bci.c
View File

@ -32,6 +32,8 @@
#define SAVAGE_EVENT_USEC_TIMEOUT 5000000 /* 5s */
#define SAVAGE_FREELIST_DEBUG 0
static int savage_do_cleanup_bci(drm_device_t *dev);
static int
savage_bci_wait_fifo_shadow(drm_savage_private_t * dev_priv, unsigned int n)
{
@ -895,7 +897,7 @@ static int savage_do_init_bci(drm_device_t * dev, drm_savage_init_t * init)
return 0;
}
int savage_do_cleanup_bci(drm_device_t * dev)
static int savage_do_cleanup_bci(drm_device_t * dev)
{
drm_savage_private_t *dev_priv = dev->dev_private;

1
drivers/char/drm/savage_drv.h
View File

@ -212,7 +212,6 @@ extern int savage_driver_load(drm_device_t *dev, unsigned long chipset);
extern int savage_driver_firstopen(drm_device_t *dev);
extern void savage_driver_lastclose(drm_device_t *dev);
extern int savage_driver_unload(drm_device_t *dev);
extern int savage_do_cleanup_bci(drm_device_t * dev);
extern void savage_reclaim_buffers(drm_device_t * dev, DRMFILE filp);
/* state functions */

10
drivers/char/drm/via_dma.c
View File

@ -222,7 +222,7 @@ static int via_initialize(drm_device_t * dev,
return 0;
}
int via_dma_init(DRM_IOCTL_ARGS)
static int via_dma_init(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
@ -321,7 +321,7 @@ int via_driver_dma_quiescent(drm_device_t * dev)
return 0;
}
int via_flush_ioctl(DRM_IOCTL_ARGS)
static int via_flush_ioctl(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
@ -330,7 +330,7 @@ int via_flush_ioctl(DRM_IOCTL_ARGS)
return via_driver_dma_quiescent(dev);
}
int via_cmdbuffer(DRM_IOCTL_ARGS)
static int via_cmdbuffer(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_via_cmdbuffer_t cmdbuf;
@ -375,7 +375,7 @@ static int via_dispatch_pci_cmdbuffer(drm_device_t * dev,
return ret;
}
int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
static int via_pci_cmdbuffer(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_via_cmdbuffer_t cmdbuf;
@ -665,7 +665,7 @@ static void via_cmdbuf_reset(drm_via_private_t * dev_priv)
* User interface to the space and lag functions.
*/
int via_cmdbuf_size(DRM_IOCTL_ARGS)
static int via_cmdbuf_size(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_via_cmdbuf_size_t d_siz;

6
drivers/char/drm/via_dmablit.c
View File

@ -108,7 +108,7 @@ via_map_blit_for_device(struct pci_dev *pdev,
int num_desc = 0;
int cur_line;
dma_addr_t next = 0 | VIA_DMA_DPR_EC;
drm_via_descriptor_t *desc_ptr = 0;
drm_via_descriptor_t *desc_ptr = NULL;
if (mode == 1)
desc_ptr = vsg->desc_pages[cur_descriptor_page];
@ -167,7 +167,7 @@ via_map_blit_for_device(struct pci_dev *pdev,
*/
void
static void
via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
{
struct page *page;
@ -581,7 +581,7 @@ via_build_sg_info(drm_device_t *dev, drm_via_sg_info_t *vsg, drm_via_dmablit_t *
int ret = 0;
vsg->direction = (draw) ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
vsg->bounce_buffer = 0;
vsg->bounce_buffer = NULL;
vsg->state = dr_via_sg_init;

7
drivers/char/drm/via_drv.h
View File

@ -110,11 +110,6 @@ extern int via_mem_free(DRM_IOCTL_ARGS);
extern int via_agp_init(DRM_IOCTL_ARGS);
extern int via_map_init(DRM_IOCTL_ARGS);
extern int via_decoder_futex(DRM_IOCTL_ARGS);
extern int via_dma_init(DRM_IOCTL_ARGS);
extern int via_cmdbuffer(DRM_IOCTL_ARGS);
extern int via_flush_ioctl(DRM_IOCTL_ARGS);
extern int via_pci_cmdbuffer(DRM_IOCTL_ARGS);
extern int via_cmdbuf_size(DRM_IOCTL_ARGS);
extern int via_wait_irq(DRM_IOCTL_ARGS);
extern int via_dma_blit_sync( DRM_IOCTL_ARGS );
extern int via_dma_blit( DRM_IOCTL_ARGS );
@ -139,8 +134,6 @@ extern int via_driver_dma_quiescent(drm_device_t * dev);
extern void via_init_futex(drm_via_private_t * dev_priv);
extern void via_cleanup_futex(drm_via_private_t * dev_priv);
extern void via_release_futex(drm_via_private_t * dev_priv, int context);
extern int via_driver_irq_wait(drm_device_t * dev, unsigned int irq,
int force_sequence, unsigned int *sequence);
extern void via_dmablit_handler(drm_device_t *dev, int engine, int from_irq);
extern void via_init_dmablit(drm_device_t *dev);

2
drivers/char/drm/via_irq.c
View File

@ -190,7 +190,7 @@ int via_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
return ret;
}
int
static int
via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
unsigned int *sequence)
{