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

* 'drm-next' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (53 commits)
  drm: detect hdmi monitor by hdmi identifier (v3)
  drm: drm_fops.c unlock missing on error path
  drm: reorder struct drm_ioctl_desc to save space on 64 bit builds
  radeon: add some new pci ids
  drm: read EDID extensions from monitor
  drm: Use a little stash on the stack to avoid kmalloc in most DRM ioctls.
  drm/radeon: add regs required for occlusion queries support
  drm/i915: check the return value from the copy from user
  drm/radeon: fix logic in r600_page_table_init() to match ati_gart
  drm/radeon: r600 ptes are 64-bit, cleanup cleanup function.
  drm/radeon: don't call irq changes on r600 suspend/resume
  drm/radeon: fix r600 writeback across suspend/resume
  drm/radeon: fix r600 writeback setup.
  drm: fix warnings about new mappings in info code.
  drm/radeon: NULL noise: drivers/gpu/drm/radeon/radeon_*.c
  drm/radeon: fix r600 pci mapping calls.
  drm/radeon: r6xx/r7xx: fix possible oops in r600_page_table_cleanup()
  radeon: call the correct idle function, logic got inverted.
  drm/radeon: RS600: fix interrupt handling
  drm/r600: fix rptr address along lines of previous fixes to radeon.
  ...
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@torvalds
torvalds committed Mar 30, 2009
2 parents 712b000 + f23c20c commit dfbbe89
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Showing 39 changed files with 27,309 additions and 434 deletions.
40 changes: 27 additions & 13 deletions drivers/gpu/drm/ati_pcigart.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,7 @@ int drm_ati_pcigart_cleanup(struct drm_device *dev, struct drm_ati_pcigart_info
if (!entry->busaddr[i])
break;
pci_unmap_page(dev->pdev, entry->busaddr[i],
PAGE_SIZE, PCI_DMA_TODEVICE);
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
}

if (gart_info->gart_table_location == DRM_ATI_GART_MAIN)
Expand All @@ -95,13 +95,14 @@ EXPORT_SYMBOL(drm_ati_pcigart_cleanup);

int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *gart_info)
{
struct drm_local_map *map = &gart_info->mapping;
struct drm_sg_mem *entry = dev->sg;
void *address = NULL;
unsigned long pages;
u32 *pci_gart, page_base;
u32 *pci_gart = NULL, page_base, gart_idx;
dma_addr_t bus_address = 0;
int i, j, ret = 0;
int max_pages;
int max_ati_pages, max_real_pages;

if (!entry) {
DRM_ERROR("no scatter/gather memory!\n");
Expand All @@ -117,6 +118,7 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
goto done;
}

pci_gart = gart_info->table_handle->vaddr;
address = gart_info->table_handle->vaddr;
bus_address = gart_info->table_handle->busaddr;
} else {
Expand All @@ -127,18 +129,23 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
(unsigned long)address);
}

pci_gart = (u32 *) address;

max_pages = (gart_info->table_size / sizeof(u32));
pages = (entry->pages <= max_pages)
? entry->pages : max_pages;
max_ati_pages = (gart_info->table_size / sizeof(u32));
max_real_pages = max_ati_pages / (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE);
pages = (entry->pages <= max_real_pages)
? entry->pages : max_real_pages;

memset(pci_gart, 0, max_pages * sizeof(u32));
if (gart_info->gart_table_location == DRM_ATI_GART_MAIN) {
memset(pci_gart, 0, max_ati_pages * sizeof(u32));
} else {
memset_io((void __iomem *)map->handle, 0, max_ati_pages * sizeof(u32));
}

gart_idx = 0;
for (i = 0; i < pages; i++) {
/* we need to support large memory configurations */
entry->busaddr[i] = pci_map_page(dev->pdev, entry->pagelist[i],
0, PAGE_SIZE, PCI_DMA_TODEVICE);
0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
if (entry->busaddr[i] == 0) {
DRM_ERROR("unable to map PCIGART pages!\n");
drm_ati_pcigart_cleanup(dev, gart_info);
Expand All @@ -149,19 +156,26 @@ int drm_ati_pcigart_init(struct drm_device *dev, struct drm_ati_pcigart_info *ga
page_base = (u32) entry->busaddr[i];

for (j = 0; j < (PAGE_SIZE / ATI_PCIGART_PAGE_SIZE); j++) {
u32 val;

switch(gart_info->gart_reg_if) {
case DRM_ATI_GART_IGP:
*pci_gart = cpu_to_le32((page_base) | 0xc);
val = page_base | 0xc;
break;
case DRM_ATI_GART_PCIE:
*pci_gart = cpu_to_le32((page_base >> 8) | 0xc);
val = (page_base >> 8) | 0xc;
break;
default:
case DRM_ATI_GART_PCI:
*pci_gart = cpu_to_le32(page_base);
val = page_base;
break;
}
pci_gart++;
if (gart_info->gart_table_location ==
DRM_ATI_GART_MAIN)
pci_gart[gart_idx] = cpu_to_le32(val);
else
DRM_WRITE32(map, gart_idx * sizeof(u32), val);
gart_idx++;
page_base += ATI_PCIGART_PAGE_SIZE;
}
}
Expand Down
122 changes: 87 additions & 35 deletions drivers/gpu/drm/drm_bufs.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -34,40 +34,62 @@
*/

#include <linux/vmalloc.h>
#include <linux/log2.h>
#include <asm/shmparam.h>
#include "drmP.h"

unsigned long drm_get_resource_start(struct drm_device *dev, unsigned int resource)
resource_size_t drm_get_resource_start(struct drm_device *dev, unsigned int resource)
{
return pci_resource_start(dev->pdev, resource);
}
EXPORT_SYMBOL(drm_get_resource_start);

unsigned long drm_get_resource_len(struct drm_device *dev, unsigned int resource)
resource_size_t drm_get_resource_len(struct drm_device *dev, unsigned int resource)
{
return pci_resource_len(dev->pdev, resource);
}

EXPORT_SYMBOL(drm_get_resource_len);

static struct drm_map_list *drm_find_matching_map(struct drm_device *dev,
drm_local_map_t *map)
struct drm_local_map *map)
{
struct drm_map_list *entry;
list_for_each_entry(entry, &dev->maplist, head) {
if (entry->map && (entry->master == dev->primary->master) && (map->type == entry->map->type) &&
((entry->map->offset == map->offset) ||
((map->type == _DRM_SHM) && (map->flags&_DRM_CONTAINS_LOCK)))) {
/*
* Because the kernel-userspace ABI is fixed at a 32-bit offset
* while PCI resources may live above that, we ignore the map
* offset for maps of type _DRM_FRAMEBUFFER or _DRM_REGISTERS.
* It is assumed that each driver will have only one resource of
* each type.
*/
if (!entry->map ||
map->type != entry->map->type ||
entry->master != dev->primary->master)
continue;
switch (map->type) {
case _DRM_SHM:
if (map->flags != _DRM_CONTAINS_LOCK)
break;
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
return entry;
default: /* Make gcc happy */
;
}
if (entry->map->offset == map->offset)
return entry;
}

return NULL;
}

static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
unsigned long user_token, int hashed_handle)
unsigned long user_token, int hashed_handle, int shm)
{
int use_hashed_handle;
int use_hashed_handle, shift;
unsigned long add;

#if (BITS_PER_LONG == 64)
use_hashed_handle = ((user_token & 0xFFFFFFFF00000000UL) || hashed_handle);
#elif (BITS_PER_LONG == 32)
Expand All @@ -83,30 +105,47 @@ static int drm_map_handle(struct drm_device *dev, struct drm_hash_item *hash,
if (ret != -EINVAL)
return ret;
}

shift = 0;
add = DRM_MAP_HASH_OFFSET >> PAGE_SHIFT;
if (shm && (SHMLBA > PAGE_SIZE)) {
int bits = ilog2(SHMLBA >> PAGE_SHIFT) + 1;

/* For shared memory, we have to preserve the SHMLBA
* bits of the eventual vma->vm_pgoff value during
* mmap(). Otherwise we run into cache aliasing problems
* on some platforms. On these platforms, the pgoff of
* a mmap() request is used to pick a suitable virtual
* address for the mmap() region such that it will not
* cause cache aliasing problems.
*
* Therefore, make sure the SHMLBA relevant bits of the
* hash value we use are equal to those in the original
* kernel virtual address.
*/
shift = bits;
add |= ((user_token >> PAGE_SHIFT) & ((1UL << bits) - 1UL));
}

return drm_ht_just_insert_please(&dev->map_hash, hash,
user_token, 32 - PAGE_SHIFT - 3,
0, DRM_MAP_HASH_OFFSET >> PAGE_SHIFT);
shift, add);
}

/**
* Ioctl to specify a range of memory that is available for mapping by a non-root process.
*
* \param inode device inode.
* \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_map structure.
* \return zero on success or a negative value on error.
* Core function to create a range of memory available for mapping by a
* non-root process.
*
* Adjusts the memory offset to its absolute value according to the mapping
* type. Adds the map to the map list drm_device::maplist. Adds MTRR's where
* applicable and if supported by the kernel.
*/
static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
unsigned int size, enum drm_map_type type,
enum drm_map_flags flags,
struct drm_map_list ** maplist)
{
struct drm_map *map;
struct drm_local_map *map;
struct drm_map_list *list;
drm_dma_handle_t *dmah;
unsigned long user_token;
Expand All @@ -129,9 +168,9 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
}
DRM_DEBUG("offset = 0x%08lx, size = 0x%08lx, type = %d\n",
map->offset, map->size, map->type);
if ((map->offset & (~PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
DRM_DEBUG("offset = 0x%08llx, size = 0x%08lx, type = %d\n",
(unsigned long long)map->offset, map->size, map->type);
if ((map->offset & (~(resource_size_t)PAGE_MASK)) || (map->size & (~PAGE_MASK))) {
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
}
Expand Down Expand Up @@ -259,7 +298,8 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EPERM;
}
DRM_DEBUG("AGP offset = 0x%08lx, size = 0x%08lx\n", map->offset, map->size);
DRM_DEBUG("AGP offset = 0x%08llx, size = 0x%08lx\n",
(unsigned long long)map->offset, map->size);

break;
case _DRM_GEM:
Expand Down Expand Up @@ -309,7 +349,8 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
/* We do it here so that dev->struct_mutex protects the increment */
user_token = (map->type == _DRM_SHM) ? (unsigned long)map->handle :
map->offset;
ret = drm_map_handle(dev, &list->hash, user_token, 0);
ret = drm_map_handle(dev, &list->hash, user_token, 0,
(map->type == _DRM_SHM));
if (ret) {
if (map->type == _DRM_REGISTERS)
iounmap(map->handle);
Expand All @@ -327,9 +368,9 @@ static int drm_addmap_core(struct drm_device * dev, unsigned int offset,
return 0;
}

int drm_addmap(struct drm_device * dev, unsigned int offset,
int drm_addmap(struct drm_device * dev, resource_size_t offset,
unsigned int size, enum drm_map_type type,
enum drm_map_flags flags, drm_local_map_t ** map_ptr)
enum drm_map_flags flags, struct drm_local_map ** map_ptr)
{
struct drm_map_list *list;
int rc;
Expand All @@ -342,6 +383,17 @@ int drm_addmap(struct drm_device * dev, unsigned int offset,

EXPORT_SYMBOL(drm_addmap);

/**
* Ioctl to specify a range of memory that is available for mapping by a
* non-root process.
*
* \param inode device inode.
* \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a drm_map structure.
* \return zero on success or a negative value on error.
*
*/
int drm_addmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
Expand All @@ -367,19 +419,13 @@ int drm_addmap_ioctl(struct drm_device *dev, void *data,
* Remove a map private from list and deallocate resources if the mapping
* isn't in use.
*
* \param inode device inode.
* \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a struct drm_map structure.
* \return zero on success or a negative value on error.
*
* Searches the map on drm_device::maplist, removes it from the list, see if
* its being used, and free any associate resource (such as MTRR's) if it's not
* being on use.
*
* \sa drm_addmap
*/
int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map)
int drm_rmmap_locked(struct drm_device *dev, struct drm_local_map *map)
{
struct drm_map_list *r_list = NULL, *list_t;
drm_dma_handle_t dmah;
Expand Down Expand Up @@ -442,7 +488,7 @@ int drm_rmmap_locked(struct drm_device *dev, drm_local_map_t *map)
}
EXPORT_SYMBOL(drm_rmmap_locked);

int drm_rmmap(struct drm_device *dev, drm_local_map_t *map)
int drm_rmmap(struct drm_device *dev, struct drm_local_map *map)
{
int ret;

Expand All @@ -462,12 +508,18 @@ EXPORT_SYMBOL(drm_rmmap);
* One use case might be after addmap is allowed for normal users for SHM and
* gets used by drivers that the server doesn't need to care about. This seems
* unlikely.
*
* \param inode device inode.
* \param file_priv DRM file private.
* \param cmd command.
* \param arg pointer to a struct drm_map structure.
* \return zero on success or a negative value on error.
*/
int drm_rmmap_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_map *request = data;
drm_local_map_t *map = NULL;
struct drm_local_map *map = NULL;
struct drm_map_list *r_list;
int ret;

Expand Down Expand Up @@ -1534,7 +1586,7 @@ int drm_mapbufs(struct drm_device *dev, void *data,
&& (dma->flags & _DRM_DMA_USE_SG))
|| (drm_core_check_feature(dev, DRIVER_FB_DMA)
&& (dma->flags & _DRM_DMA_USE_FB))) {
struct drm_map *map = dev->agp_buffer_map;
struct drm_local_map *map = dev->agp_buffer_map;
unsigned long token = dev->agp_buffer_token;

if (!map) {
Expand Down
4 changes: 2 additions & 2 deletions drivers/gpu/drm/drm_context.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,7 @@ int drm_getsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_map *map;
struct drm_local_map *map;
struct drm_map_list *_entry;

mutex_lock(&dev->struct_mutex);
Expand Down Expand Up @@ -186,7 +186,7 @@ int drm_setsareactx(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
struct drm_ctx_priv_map *request = data;
struct drm_map *map = NULL;
struct drm_local_map *map = NULL;
struct drm_map_list *r_list = NULL;

mutex_lock(&dev->struct_mutex);
Expand Down
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