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authorNian Wu <nian.wu@intel.com>2007-03-19 17:00:31 +0800
committerNian Wu <nian.wu@intel.com>2007-03-19 17:00:31 +0800
commit8398b99d8d146278adc13d6093811e53cd42c88a (patch)
tree9da61388447defcfec68d7294989f6dc501d39ed /linux-core
parentdf73975980e926e350bf36bf4bc8a07220f66164 (diff)
parent1e77e52755c9bb94c9230778845e6701b4d82b3a (diff)
Merge git://proxy01.pd.intel.com:9419/git/mesa/drm into crestline
Diffstat (limited to 'linux-core')
-rw-r--r--linux-core/drmP.h45
-rw-r--r--linux-core/drm_agpsupport.c24
-rw-r--r--linux-core/drm_bo.c32
-rw-r--r--linux-core/drm_drv.c15
-rw-r--r--linux-core/drm_fops.c30
-rw-r--r--linux-core/drm_ioctl.c10
-rw-r--r--linux-core/drm_memory.c51
-rw-r--r--linux-core/drm_memory.h77
-rw-r--r--linux-core/drm_mm.c18
-rw-r--r--linux-core/drm_object.c12
-rw-r--r--linux-core/drm_objects.h18
-rw-r--r--linux-core/drm_proc.c2
-rw-r--r--linux-core/drm_ttm.c16
-rw-r--r--linux-core/i810_dma.c2
-rw-r--r--linux-core/i830_dma.c2
15 files changed, 156 insertions, 198 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h
index d1dbdc2d..648e29bc 100644
--- a/linux-core/drmP.h
+++ b/linux-core/drmP.h
@@ -416,18 +416,18 @@ typedef struct drm_file {
struct drm_head *head;
int remove_auth_on_close;
unsigned long lock_count;
-
+
/*
* The user object hash table is global and resides in the
* drm_device structure. We protect the lists and hash tables with the
- * device struct_mutex. A bit coarse-grained but probably the best
+ * device struct_mutex. A bit coarse-grained but probably the best
* option.
*/
- struct list_head refd_objects;
+ struct list_head refd_objects;
struct list_head user_objects;
- drm_open_hash_t refd_object_hash[_DRM_NO_REF_TYPES];
+ drm_open_hash_t refd_object_hash[_DRM_NO_REF_TYPES];
void *driver_priv;
} drm_file_t;
@@ -534,7 +534,7 @@ typedef struct drm_sigdata {
} drm_sigdata_t;
-/*
+/*
* Generic memory manager structs
*/
@@ -544,7 +544,7 @@ typedef struct drm_mm_node {
int free;
unsigned long start;
unsigned long size;
- struct drm_mm *mm;
+ struct drm_mm *mm;
void *private;
} drm_mm_node_t;
@@ -562,7 +562,7 @@ typedef struct drm_map_list {
drm_hash_item_t hash;
drm_map_t *map; /**< mapping */
drm_u64_t user_token;
- drm_mm_node_t *file_offset_node;
+ drm_mm_node_t *file_offset_node;
} drm_map_list_t;
typedef drm_map_t drm_local_map_t;
@@ -653,9 +653,9 @@ struct drm_driver {
unsigned long (*get_reg_ofs) (struct drm_device * dev);
void (*set_version) (struct drm_device * dev, drm_set_version_t * sv);
- struct drm_fence_driver *fence_driver;
+ struct drm_fence_driver *fence_driver;
struct drm_bo_driver *bo_driver;
-
+
int major;
int minor;
int patchlevel;
@@ -732,11 +732,11 @@ typedef struct drm_device {
/*@{ */
drm_map_list_t *maplist; /**< Linked list of regions */
int map_count; /**< Number of mappable regions */
- drm_open_hash_t map_hash; /**< User token hash table for maps */
- drm_mm_t offset_manager; /**< User token manager */
- drm_open_hash_t object_hash; /**< User token hash table for objects */
- struct address_space *dev_mapping; /**< For unmap_mapping_range() */
- struct page *ttm_dummy_page;
+ drm_open_hash_t map_hash; /**< User token hash table for maps */
+ drm_mm_t offset_manager; /**< User token manager */
+ drm_open_hash_t object_hash; /**< User token hash table for objects */
+ struct address_space *dev_mapping; /**< For unmap_mapping_range() */
+ struct page *ttm_dummy_page;
/** \name Context handle management */
/*@{ */
@@ -818,7 +818,7 @@ typedef struct drm_device {
drm_fence_manager_t fm;
drm_buffer_manager_t bm;
-
+
/** \name Drawable information */
/*@{ */
spinlock_t drw_lock;
@@ -948,7 +948,7 @@ extern void drm_free_memctl(size_t size);
extern int drm_alloc_memctl(size_t size);
extern void drm_query_memctl(drm_u64_t *cur_used,
drm_u64_t *low_threshold,
- drm_u64_t *high_threshold);
+ drm_u64_t *high_threshold);
extern void drm_init_memctl(size_t low_threshold,
size_t high_threshold,
size_t unit_size);
@@ -1161,14 +1161,14 @@ extern struct class_device *drm_sysfs_device_add(struct drm_sysfs_class *cs,
drm_head_t * head);
extern void drm_sysfs_device_remove(struct class_device *class_dev);
-/*
- * Basic memory manager support (drm_mm.c)
+/*
+ * Basic memory manager support (drm_mm.c)
*/
extern drm_mm_node_t * drm_mm_get_block(drm_mm_node_t * parent, unsigned long size,
unsigned alignment);
extern void drm_mm_put_block(drm_mm_node_t *cur);
-extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
+extern drm_mm_node_t *drm_mm_search_free(const drm_mm_t *mm, unsigned long size,
unsigned alignment, int best_match);
extern int drm_mm_init(drm_mm_t *mm, unsigned long start, unsigned long size);
extern void drm_mm_takedown(drm_mm_t *mm);
@@ -1181,11 +1181,6 @@ static inline drm_mm_t *drm_get_mm(drm_mm_node_t *block)
{
return block->mm;
}
-
-
-
-
-
extern void drm_core_ioremap(struct drm_map *map, struct drm_device *dev);
extern void drm_core_ioremapfree(struct drm_map *map, struct drm_device *dev);
@@ -1204,7 +1199,7 @@ static __inline__ int drm_device_is_agp(drm_device_t *dev)
{
if ( dev->driver->device_is_agp != NULL ) {
int err = (*dev->driver->device_is_agp)( dev );
-
+
if (err != 2) {
return err;
}
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index 6b93d249..0f7b1d2e 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -567,7 +567,7 @@ static int drm_agp_needs_unbind_cache_adjust(drm_ttm_backend_t *backend) {
}
-static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages,
+static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages,
struct page **pages) {
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
@@ -597,9 +597,9 @@ static int drm_agp_populate(drm_ttm_backend_t *backend, unsigned long num_pages,
return 0;
}
-static int drm_agp_bind_ttm(drm_ttm_backend_t *backend,
+static int drm_agp_bind_ttm(drm_ttm_backend_t *backend,
unsigned long offset,
- int cached)
+ int cached)
{
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
DRM_AGP_MEM *mem = agp_priv->mem;
@@ -620,7 +620,7 @@ static int drm_agp_bind_ttm(drm_ttm_backend_t *backend,
static int drm_agp_unbind_ttm(drm_ttm_backend_t *backend) {
drm_agp_ttm_priv *agp_priv = (drm_agp_ttm_priv *) backend->private;
-
+
DRM_DEBUG("drm_agp_unbind_ttm\n");
if (agp_priv->mem->is_bound)
return drm_agp_unbind_memory(agp_priv->mem);
@@ -646,8 +646,8 @@ static void drm_agp_clear_ttm(drm_ttm_backend_t *backend) {
static void drm_agp_destroy_ttm(drm_ttm_backend_t *backend) {
- drm_agp_ttm_priv *agp_priv;
-
+ drm_agp_ttm_priv *agp_priv;
+
if (backend) {
DRM_DEBUG("drm_agp_destroy_ttm\n");
agp_priv = (drm_agp_ttm_priv *) backend->private;
@@ -659,11 +659,11 @@ static void drm_agp_destroy_ttm(drm_ttm_backend_t *backend) {
backend->private = NULL;
}
if (backend->flags & DRM_BE_FLAG_NEEDS_FREE) {
- drm_ctl_free(backend, sizeof(*backend), DRM_MEM_MAPPINGS);
+ drm_ctl_free(backend, sizeof(*backend), DRM_MEM_MAPPINGS);
}
}
}
-
+
drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
drm_ttm_backend_t *backend)
@@ -695,15 +695,15 @@ drm_ttm_backend_t *drm_agp_init_ttm(struct drm_device *dev,
if (!agp_be)
return NULL;
-
+
agp_priv = drm_ctl_calloc(1, sizeof(*agp_priv), DRM_MEM_MAPPINGS);
-
+
if (!agp_priv) {
drm_ctl_free(agp_be, sizeof(*agp_be), DRM_MEM_MAPPINGS);
return NULL;
}
-
-
+
+
agp_priv->mem = NULL;
agp_priv->alloc_type = AGP_USER_MEMORY;
agp_priv->cached_type = AGP_USER_CACHED_MEMORY;
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c
index 548ce14f..d3e89af6 100644
--- a/linux-core/drm_bo.c
+++ b/linux-core/drm_bo.c
@@ -1,8 +1,8 @@
/**************************************************************************
- *
+ *
* Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
@@ -14,15 +14,15 @@
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
@@ -35,7 +35,7 @@
*
* The buffer usage atomic_t needs to be protected by dev->struct_mutex
* when there is a chance that it can be zero before or after the operation.
- *
+ *
* dev->struct_mutex also protects all lists and list heads. Hash tables and hash
* heads.
*
@@ -502,7 +502,7 @@ static void drm_bo_usage_deref_unlocked(drm_buffer_object_t * bo)
}
/*
- * Note. The caller has to register (if applicable)
+ * Note. The caller has to register (if applicable)
* and deregister fence object usage.
*/
@@ -546,7 +546,7 @@ int drm_fence_buffer_objects(drm_file_t * priv,
/*
* 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
+ * This is so we don't get any new unfenced objects while fencing
* the ones we already have..
*/
@@ -604,7 +604,7 @@ int drm_fence_buffer_objects(drm_file_t * priv,
EXPORT_SYMBOL(drm_fence_buffer_objects);
/*
- * bo->mutex locked
+ * bo->mutex locked
*/
static int drm_bo_evict(drm_buffer_object_t * bo, unsigned mem_type,
@@ -1011,7 +1011,7 @@ static int drm_bo_check_unfenced(drm_buffer_object_t * bo)
* 1) validating
* 2) submitting commands
* 3) fencing
- * Should really be an atomic operation.
+ * Should really be an atomic operation.
* We now "solve" this problem by keeping
* the buffer "unfenced" after validating, but before fencing.
*/
@@ -1053,7 +1053,7 @@ static int drm_bo_wait_unfenced(drm_buffer_object_t * bo, int no_wait,
/*
* Fill in the ioctl reply argument with buffer info.
- * Bo locked.
+ * Bo locked.
*/
static void drm_bo_fill_rep_arg(drm_buffer_object_t * bo,
@@ -1078,8 +1078,8 @@ static void drm_bo_fill_rep_arg(drm_buffer_object_t * bo,
/*
* Wait for buffer idle and register that we've mapped the buffer.
- * Mapping is registered as a drm_ref_object with type _DRM_REF_TYPE1,
- * so that if the client dies, the mapping is automatically
+ * Mapping is registered as a drm_ref_object with type _DRM_REF_TYPE1,
+ * so that if the client dies, the mapping is automatically
* unregistered.
*/
@@ -1215,7 +1215,7 @@ static void drm_buffer_user_object_unmap(drm_file_t * priv,
}
/*
- * bo->mutex locked.
+ * bo->mutex locked.
* Note that new_mem_flags are NOT transferred to the bo->mem.mask.
*/
@@ -2251,7 +2251,7 @@ EXPORT_SYMBOL(drm_mem_reg_is_pci);
* \param bus_size On return the byte size of the buffer object or zero if
* the buffer object memory is not accessible through a PCI region.
* \return Failure indication.
- *
+ *
* Returns -EINVAL if the buffer object is currently not mappable.
* Otherwise returns zero.
*/
diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c
index ff9b29e7..bfa39ab7 100644
--- a/linux-core/drm_drv.c
+++ b/linux-core/drm_drv.c
@@ -442,7 +442,7 @@ void drm_exit(struct drm_driver *driver)
EXPORT_SYMBOL(drm_exit);
/** File operations structure */
-static struct file_operations drm_stub_fops = {
+static const struct file_operations drm_stub_fops = {
.owner = THIS_MODULE,
.open = drm_stub_open
};
@@ -591,21 +591,20 @@ int drm_ioctl(struct inode *inode, struct file *filp,
current->pid, cmd, nr, (long)old_encode_dev(priv->head->device),
priv->authenticated);
- if (nr >= DRIVER_IOCTL_COUNT &&
- (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END))
+ if ((nr >= DRIVER_IOCTL_COUNT) &&
+ ((nr < DRM_COMMAND_BASE) || (nr >= DRM_COMMAND_END)))
goto err_i1;
if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
&& (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls))
ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
- else if (nr >= DRM_COMMAND_END || nr < DRM_COMMAND_BASE)
+ else if ((nr >= DRM_COMMAND_END) || (nr < DRM_COMMAND_BASE))
ioctl = &drm_ioctls[nr];
- else
+ else
goto err_i1;
-
-
func = ioctl->func;
- if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl) /* Local override? */
+ /* is there a local override? */
+ if ((nr == DRM_IOCTL_NR(DRM_IOCTL_DMA)) && dev->driver->dma_ioctl)
func = dev->driver->dma_ioctl;
if (!func) {
diff --git a/linux-core/drm_fops.c b/linux-core/drm_fops.c
index faf76726..3521c092 100644
--- a/linux-core/drm_fops.c
+++ b/linux-core/drm_fops.c
@@ -159,7 +159,7 @@ int drm_open(struct inode *inode, struct file *filp)
spin_unlock(&dev->count_lock);
}
mutex_lock(&dev->struct_mutex);
- BUG_ON((dev->dev_mapping != NULL) &&
+ BUG_ON((dev->dev_mapping != NULL) &&
(dev->dev_mapping != inode->i_mapping));
if (dev->dev_mapping == NULL)
dev->dev_mapping = inode->i_mapping;
@@ -355,42 +355,34 @@ static void drm_object_release(struct file *filp) {
/*
* Free leftover ref objects created by me. Note that we cannot use
- * list_for_each() here, as the struct_mutex may be temporarily released
+ * list_for_each() here, as the struct_mutex may be temporarily released
* by the remove_() functions, and thus the lists may be altered.
* Also, a drm_remove_ref_object() will not remove it
* from the list unless its refcount is 1.
*/
- head = &priv->refd_objects;
+ head = &priv->refd_objects;
while (head->next != head) {
ref_object = list_entry(head->next, drm_ref_object_t, list);
- drm_remove_ref_object(priv, ref_object);
- head = &priv->refd_objects;
+ drm_remove_ref_object(priv, ref_object);
+ head = &priv->refd_objects;
}
-
+
/*
* Free leftover user objects created by me.
*/
- head = &priv->user_objects;
+ head = &priv->user_objects;
while (head->next != head) {
user_object = list_entry(head->next, drm_user_object_t, list);
- drm_remove_user_object(priv, user_object);
- head = &priv->user_objects;
+ drm_remove_user_object(priv, user_object);
+ head = &priv->user_objects;
}
-
-
-
for(i=0; i<_DRM_NO_REF_TYPES; ++i) {
drm_ht_remove(&priv->refd_object_hash[i]);
}
-}
-
-
-
-
-
+}
/**
* Release file.
@@ -563,7 +555,7 @@ EXPORT_SYMBOL(drm_release);
* to set a newer interface version to avoid breaking older Xservers.
* Without fixing the Xserver you get: "WaitForSomething(): select: errno=22"
* http://freedesktop.org/bugzilla/show_bug.cgi?id=1505 if you try
- * to return the correct response.
+ * to return the correct response.
*/
unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait)
{
diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
index 3dcc4bfb..f790a4b3 100644
--- a/linux-core/drm_ioctl.c
+++ b/linux-core/drm_ioctl.c
@@ -138,12 +138,12 @@ static int drm_set_busid(drm_device_t * dev)
{
int len;
if (dev->unique != NULL)
- return EBUSY;
+ return -EBUSY;
dev->unique_len = 40;
dev->unique = drm_alloc(dev->unique_len + 1, DRM_MEM_DRIVER);
if (dev->unique == NULL)
- return ENOMEM;
+ return -ENOMEM;
len = snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%d",
drm_get_pci_domain(dev),
@@ -156,7 +156,7 @@ static int drm_set_busid(drm_device_t * dev)
dev->devname = drm_alloc(strlen(dev->driver->pci_driver.name) + dev->unique_len + 2,
DRM_MEM_DRIVER);
if (dev->devname == NULL)
- return ENOMEM;
+ return -ENOMEM;
sprintf(dev->devname, "%s@%s", dev->driver->pci_driver.name, dev->unique);
@@ -343,7 +343,7 @@ int drm_setversion(DRM_IOCTL_ARGS)
if (sv.drm_di_major != -1) {
if (sv.drm_di_major != DRM_IF_MAJOR ||
sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR)
- return EINVAL;
+ return -EINVAL;
if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_di_minor);
dev->if_version = max(if_version, dev->if_version);
if (sv.drm_di_minor >= 1) {
@@ -357,7 +357,7 @@ int drm_setversion(DRM_IOCTL_ARGS)
if (sv.drm_dd_major != -1) {
if (sv.drm_dd_major != dev->driver->major ||
sv.drm_dd_minor < 0 || sv.drm_dd_minor > dev->driver->minor)
- return EINVAL;
+ return -EINVAL;
if (dev->driver->set_version)
dev->driver->set_version(dev, &sv);
diff --git a/linux-core/drm_memory.c b/linux-core/drm_memory.c
index 9a53fa82..a1aaa8f5 100644
--- a/linux-core/drm_memory.c
+++ b/linux-core/drm_memory.c
@@ -213,6 +213,49 @@ void drm_free_pages(unsigned long address, int order, int area)
}
#if __OS_HAS_AGP
+static void *agp_remap(unsigned long offset, unsigned long size,
+ drm_device_t * dev)
+{
+ unsigned long *phys_addr_map, i, num_pages =
+ PAGE_ALIGN(size) / PAGE_SIZE;
+ struct drm_agp_mem *agpmem;
+ struct page **page_map;
+ void *addr;
+
+ size = PAGE_ALIGN(size);
+
+#ifdef __alpha__
+ offset -= dev->hose->mem_space->start;
+#endif
+
+ for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
+ if (agpmem->bound <= offset
+ && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
+ (offset + size))
+ break;
+ if (!agpmem)
+ return NULL;
+
+ /*
+ * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
+ * the CPU do not get remapped by the GART. We fix this by using the kernel's
+ * page-table instead (that's probably faster anyhow...).
+ */
+ /* note: use vmalloc() because num_pages could be large... */
+ page_map = vmalloc(num_pages * sizeof(struct page *));
+ if (!page_map)
+ return NULL;
+
+ phys_addr_map =
+ agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
+ for (i = 0; i < num_pages; ++i)
+ page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
+ addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
+ vfree(page_map);
+
+ return addr;
+}
+
/** Wrapper around agp_allocate_memory() */
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)
DRM_AGP_MEM *drm_alloc_agp(drm_device_t *dev, int pages, u32 type)
@@ -243,7 +286,15 @@ int drm_unbind_agp(DRM_AGP_MEM * handle)
{
return drm_agp_unbind_memory(handle);
}
+
+#else /* __OS_HAS_AGP*/
+static void *agp_remap(unsigned long offset, unsigned long size,
+ drm_device_t * dev)
+{
+ return NULL;
+}
#endif /* agp */
+
#endif /* debug_memory */
void drm_core_ioremap(struct drm_map *map, struct drm_device *dev)
diff --git a/linux-core/drm_memory.h b/linux-core/drm_memory.h
index 32b89e5f..5590c491 100644
--- a/linux-core/drm_memory.h
+++ b/linux-core/drm_memory.h
@@ -57,83 +57,6 @@
# endif
#endif
-/*
- * Find the drm_map that covers the range [offset, offset+size).
- */
-static inline drm_map_t *drm_lookup_map(unsigned long offset,
- unsigned long size, drm_device_t * dev)
-{
- struct list_head *list;
- drm_map_list_t *r_list;
- drm_map_t *map;
-
- list_for_each(list, &dev->maplist->head) {
- r_list = (drm_map_list_t *) list;
- map = r_list->map;
- if (!map)
- continue;
- if (map->offset <= offset
- && (offset + size) <= (map->offset + map->size))
- return map;
- }
- return NULL;
-}
-
-static inline void *agp_remap(unsigned long offset, unsigned long size,
- drm_device_t * dev)
-{
- unsigned long *phys_addr_map, i, num_pages =
- PAGE_ALIGN(size) / PAGE_SIZE;
- struct drm_agp_mem *agpmem;
- struct page **page_map;
- void *addr;
-
- size = PAGE_ALIGN(size);
-
-#ifdef __alpha__
- offset -= dev->hose->mem_space->start;
-#endif
-
- for (agpmem = dev->agp->memory; agpmem; agpmem = agpmem->next)
- if (agpmem->bound <= offset
- && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
- (offset + size))
- break;
- if (!agpmem)
- return NULL;
-
- /*
- * OK, we're mapping AGP space on a chipset/platform on which memory accesses by
- * the CPU do not get remapped by the GART. We fix this by using the kernel's
- * page-table instead (that's probably faster anyhow...).
- */
- /* note: use vmalloc() because num_pages could be large... */
- page_map = vmalloc(num_pages * sizeof(struct page *));
- if (!page_map)
- return NULL;
-
- phys_addr_map =
- agpmem->memory->memory + (offset - agpmem->bound) / PAGE_SIZE;
- for (i = 0; i < num_pages; ++i)
- page_map[i] = pfn_to_page(phys_addr_map[i] >> PAGE_SHIFT);
- addr = vmap(page_map, num_pages, VM_IOREMAP, PAGE_AGP);
- vfree(page_map);
-
- return addr;
-}
-
#else /* __OS_HAS_AGP */
-static inline drm_map_t *drm_lookup_map(unsigned long offset,
- unsigned long size, drm_device_t * dev)
-{
- return NULL;
-}
-
-static inline void *agp_remap(unsigned long offset, unsigned long size,
- drm_device_t * dev)
-{
- return NULL;
-}
-
#endif
diff --git a/linux-core/drm_mm.c b/linux-core/drm_mm.c
index 634a1782..2caf596b 100644
--- a/linux-core/drm_mm.c
+++ b/linux-core/drm_mm.c
@@ -53,7 +53,7 @@ unsigned long drm_mm_tail_space(drm_mm_t *mm)
entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
if (!entry->free)
return 0;
-
+
return entry->size;
}
@@ -66,7 +66,7 @@ int drm_mm_remove_space_from_tail(drm_mm_t *mm, unsigned long size)
entry = list_entry(tail_node, drm_mm_node_t, ml_entry);
if (!entry->free)
return -ENOMEM;
-
+
if (entry->size <= size)
return -ENOMEM;
@@ -80,7 +80,7 @@ static int drm_mm_create_tail_node(drm_mm_t *mm,
unsigned long size)
{
drm_mm_node_t *child;
-
+
child = (drm_mm_node_t *)
drm_ctl_alloc(sizeof(*child), DRM_MEM_MM);
if (!child)
@@ -96,7 +96,7 @@ static int drm_mm_create_tail_node(drm_mm_t *mm,
return 0;
}
-
+
int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size)
{
@@ -111,12 +111,12 @@ int drm_mm_add_space_to_tail(drm_mm_t *mm, unsigned long size)
entry->size += size;
return 0;
}
-
+
static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent,
unsigned long size)
{
drm_mm_node_t *child;
-
+
child = (drm_mm_node_t *)
drm_ctl_alloc(sizeof(*child), DRM_MEM_MM);
if (!child)
@@ -136,8 +136,6 @@ static drm_mm_node_t *drm_mm_split_at_start(drm_mm_node_t *parent,
parent->start += size;
return child;
}
-
-
drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
unsigned long size, unsigned alignment)
@@ -149,13 +147,13 @@ drm_mm_node_t *drm_mm_get_block(drm_mm_node_t * parent,
if (alignment)
tmp = parent->start % alignment;
-
+
if (tmp) {
align_splitoff = drm_mm_split_at_start(parent, alignment - tmp);
if (!align_splitoff)
return NULL;
}
-
+
if (parent->size == size) {
list_del_init(&parent->fl_entry);
parent->free = 0;
diff --git a/linux-core/drm_object.c b/linux-core/drm_object.c
index 939cf0d7..23412ed0 100644
--- a/linux-core/drm_object.c
+++ b/linux-core/drm_object.c
@@ -1,8 +1,8 @@
/**************************************************************************
- *
+ *
* Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
@@ -14,15 +14,15 @@
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h
index 98228ada..b3155af1 100644
--- a/linux-core/drm_objects.h
+++ b/linux-core/drm_objects.h
@@ -1,8 +1,8 @@
/**************************************************************************
- *
+ *
* Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
@@ -10,7 +10,7 @@
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
@@ -19,8 +19,8 @@
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
@@ -222,12 +222,12 @@ extern int drm_fence_ioctl(DRM_IOCTL_ARGS);
* The ttm backend GTT interface. (In our case AGP).
* Any similar type of device (PCIE?)
* needs only to implement these functions to be usable with the "TTM" interface.
- * The AGP backend implementation lives in drm_agpsupport.c
+ * The AGP backend implementation lives in drm_agpsupport.c
* basically maps these calls to available functions in agpgart.
* Each drm device driver gets an
- * additional function pointer that creates these types,
+ * additional function pointer that creates these types,
* so that the device can choose the correct aperture.
- * (Multiple AGP apertures, etc.)
+ * (Multiple AGP apertures, etc.)
* Most device drivers will let this point to the standard AGP implementation.
*/
@@ -275,7 +275,7 @@ extern void drm_ttm_fixup_caching(drm_ttm_t * ttm);
extern struct page *drm_ttm_get_page(drm_ttm_t * ttm, int index);
/*
- * Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this,
+ * Destroy a ttm. The user normally calls drmRmMap or a similar IOCTL to do this,
* which calls this function iff there are no vmas referencing it anymore. Otherwise it is called
* when the last vma exits.
*/
diff --git a/linux-core/drm_proc.c b/linux-core/drm_proc.c
index 1c2c17fe..d6da86b2 100644
--- a/linux-core/drm_proc.c
+++ b/linux-core/drm_proc.c
@@ -75,7 +75,7 @@ static struct drm_proc_list {
#endif
};
-#define DRM_PROC_ENTRIES (sizeof(drm_proc_list)/sizeof(drm_proc_list[0]))
+#define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list)
/**
* Initialize the DRI proc filesystem for a device.
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c
index e67719e2..25566340 100644
--- a/linux-core/drm_ttm.c
+++ b/linux-core/drm_ttm.c
@@ -1,8 +1,8 @@
/**************************************************************************
- *
+ *
* Copyright (c) 2006-2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
@@ -10,19 +10,19 @@
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
@@ -101,7 +101,7 @@ static struct page *drm_ttm_alloc_page(void)
}
/*
- * Change caching policy for the linear kernel map
+ * Change caching policy for the linear kernel map
* for range of pages in a ttm.
*/
diff --git a/linux-core/i810_dma.c b/linux-core/i810_dma.c
index 41467001..3f2dad38 100644
--- a/linux-core/i810_dma.c
+++ b/linux-core/i810_dma.c
@@ -131,7 +131,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
return 0;
}
-static struct file_operations i810_buffer_fops = {
+static const struct file_operations i810_buffer_fops = {
.open = drm_open,
.release = drm_release,
.ioctl = drm_ioctl,
diff --git a/linux-core/i830_dma.c b/linux-core/i830_dma.c
index 406a3ff7..78bd6236 100644
--- a/linux-core/i830_dma.c
+++ b/linux-core/i830_dma.c
@@ -117,7 +117,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
return 0;
}
-static struct file_operations i830_buffer_fops = {
+static const struct file_operations i830_buffer_fops = {
.open = drm_open,
.release = drm_release,
.ioctl = drm_ioctl,