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-rw-r--r--linux-core/drm_agpsupport.c39
1 files changed, 18 insertions, 21 deletions
diff --git a/linux-core/drm_agpsupport.c b/linux-core/drm_agpsupport.c
index 08ea7c48..438899e8 100644
--- a/linux-core/drm_agpsupport.c
+++ b/linux-core/drm_agpsupport.c
@@ -498,14 +498,15 @@ int drm_agp_unbind_memory(DRM_AGP_MEM * handle)
#define AGP_REQUIRED_MAJOR 0
#define AGP_REQUIRED_MINOR 102
-static int drm_agp_needs_unbind_cache_adjust(struct drm_ttm_backend *backend) {
+static int drm_agp_needs_unbind_cache_adjust(struct drm_ttm_backend *backend)
+{
return ((backend->flags & DRM_BE_FLAG_BOUND_CACHED) ? 0 : 1);
}
-static int drm_agp_populate(struct drm_ttm_backend *backend, unsigned long num_pages,
- struct page **pages) {
-
+static int drm_agp_populate(struct drm_ttm_backend *backend,
+ unsigned long num_pages, struct page **pages)
+{
struct drm_agp_ttm_backend *agp_be =
container_of(backend, struct drm_agp_ttm_backend, backend);
struct page **cur_page, **last_page = pages + num_pages;
@@ -521,15 +522,14 @@ static int drm_agp_populate(struct drm_ttm_backend *backend, unsigned long num_p
mem = drm_agp_allocate_memory(agp_be->bridge, num_pages, AGP_USER_MEMORY);
#endif
if (!mem) {
- drm_free_memctl(num_pages *sizeof(void *));
+ drm_free_memctl(num_pages * sizeof(void *));
return -1;
}
DRM_DEBUG("Current page count is %ld\n", (long) mem->page_count);
mem->page_count = 0;
- for (cur_page = pages; cur_page < last_page; ++cur_page) {
+ for (cur_page = pages; cur_page < last_page; ++cur_page)
mem->memory[mem->page_count++] = phys_to_gart(page_to_phys(*cur_page));
- }
agp_be->mem = mem;
return 0;
}
@@ -551,17 +551,17 @@ static int drm_agp_bind_ttm(struct drm_ttm_backend *backend,
mem->type = AGP_USER_CACHED_MEMORY;
ret = drm_agp_bind_memory(mem, bo_mem->mm_node->start);
- if (ret) {
+ if (ret)
DRM_ERROR("AGP Bind memory failed\n");
- }
+
DRM_FLAG_MASKED(backend->flags, (bo_mem->flags & DRM_BO_FLAG_CACHED) ?
DRM_BE_FLAG_BOUND_CACHED : 0,
DRM_BE_FLAG_BOUND_CACHED);
return ret;
}
-static int drm_agp_unbind_ttm(struct drm_ttm_backend *backend) {
-
+static int drm_agp_unbind_ttm(struct drm_ttm_backend *backend)
+{
struct drm_agp_ttm_backend *agp_be =
container_of(backend, struct drm_agp_ttm_backend, backend);
@@ -572,8 +572,8 @@ static int drm_agp_unbind_ttm(struct drm_ttm_backend *backend) {
return 0;
}
-static void drm_agp_clear_ttm(struct drm_ttm_backend *backend) {
-
+static void drm_agp_clear_ttm(struct drm_ttm_backend *backend)
+{
struct drm_agp_ttm_backend *agp_be =
container_of(backend, struct drm_agp_ttm_backend, backend);
DRM_AGP_MEM *mem = agp_be->mem;
@@ -583,29 +583,27 @@ static void drm_agp_clear_ttm(struct drm_ttm_backend *backend) {
unsigned long num_pages = mem->page_count;
backend->func->unbind(backend);
agp_free_memory(mem);
- drm_free_memctl(num_pages *sizeof(void *));
+ drm_free_memctl(num_pages * sizeof(void *));
}
agp_be->mem = NULL;
}
-static void drm_agp_destroy_ttm(struct drm_ttm_backend *backend) {
-
+static void drm_agp_destroy_ttm(struct drm_ttm_backend *backend)
+{
struct drm_agp_ttm_backend *agp_be;
if (backend) {
DRM_DEBUG("drm_agp_destroy_ttm\n");
agp_be = container_of(backend, struct drm_agp_ttm_backend, backend);
if (agp_be) {
- if (agp_be->mem) {
+ if (agp_be->mem)
backend->func->clear(backend);
- }
drm_ctl_free(agp_be, sizeof(*agp_be), DRM_MEM_TTM);
}
}
}
-static struct drm_ttm_backend_func agp_ttm_backend =
-{
+static struct drm_ttm_backend_func agp_ttm_backend = {
.needs_ub_cache_adjust = drm_agp_needs_unbind_cache_adjust,
.populate = drm_agp_populate,
.clear = drm_agp_clear_ttm,
@@ -647,7 +645,6 @@ struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev)
agp_be->bridge = dev->agp->bridge;
agp_be->populated = FALSE;
agp_be->backend.func = &agp_ttm_backend;
- // agp_be->backend.mem_type = DRM_BO_MEM_TT;
agp_be->backend.dev = dev;
return &agp_be->backend;