openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/i915/gvt: Remove defunct vmap_batch() 

This code was removed from i915_cmd_parser.c but still an obsolete
version wound up being duplicated into gvt/cmd_parser.c. Good riddance.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Chris Wilson 2016-10-19 11:11:47 +01:00 committed by Zhenyu Wang
parent a28615041e
commit 3eec872207
1 changed files with 0 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/gpu/drm/i915/gvt/cmd_parser.c
View File

@ -1583,44 +1583,6 @@ static uint32_t find_bb_size(struct parser_exec_state *s)
return bb_size;
}
static u32 *vmap_batch(struct drm_i915_gem_object *obj,
unsigned int start, unsigned int len)
{
int i;
void *addr = NULL;
struct sg_page_iter sg_iter;
int first_page = start >> PAGE_SHIFT;
int last_page = (len + start + 4095) >> PAGE_SHIFT;
int npages = last_page - first_page;
struct page **pages;
pages = drm_malloc_ab(npages, sizeof(*pages));
if (pages == NULL) {
DRM_DEBUG_DRIVER("Failed to get space for pages\n");
goto finish;
}
i = 0;
for_each_sg_page(obj->pages->sgl, &sg_iter, obj->pages->nents,
first_page) {
pages[i++] = sg_page_iter_page(&sg_iter);
if (i == npages)
break;
}
addr = vmap(pages, i, 0, PAGE_KERNEL);
if (addr == NULL) {
DRM_DEBUG_DRIVER("Failed to vmap pages\n");
goto finish;
}
finish:
if (pages)
drm_free_large(pages);
return (u32 *)addr;
}
static int perform_bb_shadow(struct parser_exec_state *s)
{
struct intel_shadow_bb_entry *entry_obj;