drm/gma500: Add backing type and base align to psb_gem_create()

We'll need this for our gem create ioctl in a later patch.

Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>

6 files changed, 33 insertions, 9 deletions

diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
index 94b3fec22c28..e7fcc148f333 100644
--- a/drivers/gpu/drm/gma500/framebuffer.c
+++ b/drivers/gpu/drm/gma500/framebuffer.c
@@ -319,7 +319,7 @@ static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
 {
         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;
diff --git a/drivers/gpu/drm/gma500/gem.c b/drivers/gpu/drm/gma500/gem.c
index 1e33a71e4167..d0243c088272 100644
--- a/drivers/gpu/drm/gma500/gem.c
+++ b/drivers/gpu/drm/gma500/gem.c
@@ -98,8 +98,8 @@ unlock:
  *      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;
@@ -109,7 +109,7 @@ static int psb_gem_create(struct drm_file *file,
 
         /* 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;
@@ -153,7 +153,8 @@ int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
 {
         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);
 }
 
 /**
diff --git a/drivers/gpu/drm/gma500/gem.h b/drivers/gpu/drm/gma500/gem.h
new file mode 100644
index 000000000000..1381c5190f46
--- /dev/null
+++ b/drivers/gpu/drm/gma500/gem.h
@@ -0,0 +1,21 @@
+/**************************************************************************
+ * 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
diff --git a/drivers/gpu/drm/gma500/gtt.c b/drivers/gpu/drm/gma500/gtt.c
index a30f6ee1f407..592d205a0089 100644
--- a/drivers/gpu/drm/gma500/gtt.c
+++ b/drivers/gpu/drm/gma500/gtt.c
@@ -330,7 +330,7 @@ out:
  *      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;
@@ -358,7 +358,7 @@ struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
         /* Ensure this is set for non GEM objects */
         gt->gem.dev = dev;
         ret = allocate_resource(dev_priv->gtt_mem, &gt->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;
diff --git a/drivers/gpu/drm/gma500/gtt.h b/drivers/gpu/drm/gma500/gtt.h
index 6191d10acf33..f5860a739bd8 100644
--- a/drivers/gpu/drm/gma500/gtt.h
+++ b/drivers/gpu/drm/gma500/gtt.h
@@ -53,7 +53,8 @@ struct gtt_range {
 };
 
 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);
diff --git a/drivers/gpu/drm/gma500/psb_intel_display.c b/drivers/gpu/drm/gma500/psb_intel_display.c
index f65bcc4f7bff..21aed85eb96e 100644
--- a/drivers/gpu/drm/gma500/psb_intel_display.c
+++ b/drivers/gpu/drm/gma500/psb_intel_display.c
@@ -469,7 +469,8 @@ static void psb_intel_cursor_init(struct drm_device *dev,
                 /* 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;