We'll need this for our gem create ioctl in a later patch.
Signed-off-by: Patrik Jakobsson patrik.r.jakobsson@gmail.com --- drivers/gpu/drm/gma500/framebuffer.c | 2 +- drivers/gpu/drm/gma500/gem.c | 9 +++++---- drivers/gpu/drm/gma500/gem.h | 21 +++++++++++++++++++++ drivers/gpu/drm/gma500/gtt.c | 4 ++-- drivers/gpu/drm/gma500/gtt.h | 3 ++- drivers/gpu/drm/gma500/psb_intel_display.c | 3 ++- 6 files changed, 33 insertions(+), 9 deletions(-) create mode 100644 drivers/gpu/drm/gma500/gem.h
diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c index 94b3fec..e7fcc14 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 1e33a71..d0243c0 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 0000000..1381c51 --- /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 a30f6ee..592d205 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, >->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 6191d10..f5860a7 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 f65bcc4f7..21aed85 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;