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Commit c269c685 authored by Patrik Jakobsson's avatar Patrik Jakobsson
Browse files

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: default avatarPatrik Jakobsson <patrik.r.jakobsson@gmail.com>
parent ae0b9318

drivers/gpu/drm/gma500/framebuffer.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/gma500/gem.c

+5 −4
Original line number Diff line number Diff line
@@ -98,8 +98,8 @@ int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev, 
 *	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);

}



/**

drivers/gpu/drm/gma500/gem.h

0 → 100644
+21 −0
Original line number Diff line number Diff line 
/**************************************************************************

 * 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

drivers/gpu/drm/gma500/gtt.c

+2 −2
Original line number Diff line number Diff line
@@ -330,7 +330,7 @@ void psb_gtt_unpin(struct gtt_range *gt) 
 *	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;

drivers/gpu/drm/gma500/gtt.h

+2 −1
Original line number Diff line number Diff line
@@ -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);