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path: root/drivers/gpu/drm/drm_bufs.c
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Diffstat (limited to 'drivers/gpu/drm/drm_bufs.c')
-rw-r--r--drivers/gpu/drm/drm_bufs.c48
1 files changed, 12 insertions, 36 deletions
diff --git a/drivers/gpu/drm/drm_bufs.c b/drivers/gpu/drm/drm_bufs.c
index 2092e7bb788..3e257a50bf5 100644
--- a/drivers/gpu/drm/drm_bufs.c
+++ b/drivers/gpu/drm/drm_bufs.c
@@ -39,19 +39,6 @@
#include <asm/shmparam.h>
#include "drmP.h"
-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);
-
-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,
struct drm_local_map *map)
{
@@ -189,7 +176,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
switch (map->type) {
case _DRM_REGISTERS:
case _DRM_FRAME_BUFFER:
-#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__)
+#if !defined(__sparc__) && !defined(__alpha__) && !defined(__ia64__) && !defined(__powerpc64__) && !defined(__x86_64__) && !defined(__arm__)
if (map->offset + (map->size-1) < map->offset ||
map->offset < virt_to_phys(high_memory)) {
kfree(map);
@@ -341,14 +328,13 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
return -EINVAL;
}
- list = kmalloc(sizeof(*list), GFP_KERNEL);
+ list = kzalloc(sizeof(*list), GFP_KERNEL);
if (!list) {
if (map->type == _DRM_REGISTERS)
iounmap(map->handle);
kfree(map);
return -EINVAL;
}
- memset(list, 0, sizeof(*list));
list->map = map;
mutex_lock(&dev->struct_mutex);
@@ -691,13 +677,12 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
return -EINVAL;
}
- entry->buflist = kmalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
+ entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
if (!entry->buflist) {
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(entry->buflist, 0, count * sizeof(*entry->buflist));
entry->buf_size = size;
entry->page_order = page_order;
@@ -721,7 +706,7 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
- buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL);
+ buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL);
if (!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
@@ -730,7 +715,6 @@ int drm_addbufs_agp(struct drm_device * dev, struct drm_buf_desc * request)
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(buf->dev_private, 0, buf->dev_priv_size);
DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
@@ -845,22 +829,20 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
return -EINVAL;
}
- entry->buflist = kmalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
+ entry->buflist = kzalloc(count * sizeof(*entry->buflist), GFP_KERNEL);
if (!entry->buflist) {
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(entry->buflist, 0, count * sizeof(*entry->buflist));
- entry->seglist = kmalloc(count * sizeof(*entry->seglist), GFP_KERNEL);
+ entry->seglist = kzalloc(count * sizeof(*entry->seglist), GFP_KERNEL);
if (!entry->seglist) {
kfree(entry->buflist);
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(entry->seglist, 0, count * sizeof(*entry->seglist));
/* Keep the original pagelist until we know all the allocations
* have succeeded
@@ -924,8 +906,8 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
- buf->dev_private = kmalloc(buf->dev_priv_size,
- GFP_KERNEL);
+ buf->dev_private = kzalloc(buf->dev_priv_size,
+ GFP_KERNEL);
if (!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
@@ -936,7 +918,6 @@ int drm_addbufs_pci(struct drm_device * dev, struct drm_buf_desc * request)
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(buf->dev_private, 0, buf->dev_priv_size);
DRM_DEBUG("buffer %d @ %p\n",
entry->buf_count, buf->address);
@@ -1061,14 +1042,13 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
return -EINVAL;
}
- entry->buflist = kmalloc(count * sizeof(*entry->buflist),
+ entry->buflist = kzalloc(count * sizeof(*entry->buflist),
GFP_KERNEL);
if (!entry->buflist) {
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(entry->buflist, 0, count * sizeof(*entry->buflist));
entry->buf_size = size;
entry->page_order = page_order;
@@ -1093,7 +1073,7 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
- buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL);
+ buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL);
if (!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
@@ -1103,8 +1083,6 @@ static int drm_addbufs_sg(struct drm_device * dev, struct drm_buf_desc * request
return -ENOMEM;
}
- memset(buf->dev_private, 0, buf->dev_priv_size);
-
DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
offset += alignment;
@@ -1222,14 +1200,13 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
return -EINVAL;
}
- entry->buflist = kmalloc(count * sizeof(*entry->buflist),
+ entry->buflist = kzalloc(count * sizeof(*entry->buflist),
GFP_KERNEL);
if (!entry->buflist) {
mutex_unlock(&dev->struct_mutex);
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(entry->buflist, 0, count * sizeof(*entry->buflist));
entry->buf_size = size;
entry->page_order = page_order;
@@ -1253,7 +1230,7 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
buf->file_priv = NULL;
buf->dev_priv_size = dev->driver->dev_priv_size;
- buf->dev_private = kmalloc(buf->dev_priv_size, GFP_KERNEL);
+ buf->dev_private = kzalloc(buf->dev_priv_size, GFP_KERNEL);
if (!buf->dev_private) {
/* Set count correctly so we free the proper amount. */
entry->buf_count = count;
@@ -1262,7 +1239,6 @@ static int drm_addbufs_fb(struct drm_device * dev, struct drm_buf_desc * request
atomic_dec(&dev->buf_alloc);
return -ENOMEM;
}
- memset(buf->dev_private, 0, buf->dev_priv_size);
DRM_DEBUG("buffer %d @ %p\n", entry->buf_count, buf->address);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 00:46:03 +0000