We'll need this for our gem create ioctl in a later patch.
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
{
struct gtt_range *backing;
/* Begin by trying to use stolen memory backing */
- backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
+ backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE);
if (backing) {
drm_gem_private_object_init(dev, &backing->gem, aligned_size);
return backing;
* it so that userspace can speak about it. This does the core work
* for the various methods that do/will create GEM objects for things
*/
-static int psb_gem_create(struct drm_file *file,
- struct drm_device *dev, uint64_t size, uint32_t *handlep)
+int psb_gem_create(struct drm_file *file, struct drm_device *dev, u64 size,
+ u32 *handlep, int stolen, u32 align)
{
struct gtt_range *r;
int ret;
/* Allocate our object - for now a direct gtt range which is not
stolen memory backed */
- r = psb_gtt_alloc_range(dev, size, "gem", 0);
+ r = psb_gtt_alloc_range(dev, size, "gem", 0, PAGE_SIZE);
if (r == NULL) {
dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
return -ENOSPC;
{
args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
args->size = args->pitch * args->height;
- return psb_gem_create(file, dev, args->size, &args->handle);
+ return psb_gem_create(file, dev, args->size, &args->handle, 0,
+ PAGE_SIZE);
}
/**
--- /dev/null
+/**************************************************************************
+ * Copyright (c) 2014 Patrik Jakobsson
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ **************************************************************************/
+
+#ifndef _GEM_H
+#define _GEM_H
+
+extern int psb_gem_create(struct drm_file *file, struct drm_device *dev,
+ u64 size, u32 *handlep, int stolen, u32 align);
+#endif
* as in use.
*/
struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
- const char *name, int backed)
+ const char *name, int backed, u32 align)
{
struct drm_psb_private *dev_priv = dev->dev_private;
struct gtt_range *gt;
/* Ensure this is set for non GEM objects */
gt->gem.dev = dev;
ret = allocate_resource(dev_priv->gtt_mem, >->resource,
- len, start, end, PAGE_SIZE, NULL, NULL);
+ len, start, end, align, NULL, NULL);
if (ret == 0) {
gt->offset = gt->resource.start - r->start;
return gt;
};
extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
- const char *name, int backed);
+ const char *name, int backed,
+ u32 align);
extern void psb_gtt_kref_put(struct gtt_range *gt);
extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt);
extern int psb_gtt_pin(struct gtt_range *gt);
/* Allocate 4 pages of stolen mem for a hardware cursor. That
* is enough for the 64 x 64 ARGB cursors we support.
*/
- cursor_gt = psb_gtt_alloc_range(dev, 4 * PAGE_SIZE, "cursor", 1);
+ cursor_gt = psb_gtt_alloc_range(dev, 4 * PAGE_SIZE, "cursor", 1,
+ PAGE_SIZE);
if (!cursor_gt) {
gma_crtc->cursor_gt = NULL;
goto out;