diff options
| author | Alan Cox <alan@linux.intel.com> | 2011-11-03 22:21:20 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-11-16 15:24:36 +0400 |
| commit | 4d8d096e9ae86621cc38b5417f4353305c5fd3a9 (patch) | |
| tree | c158eec1389cfaaf7f4945440453bb63caceddc3 /drivers/gpu/drm/gma500/framebuffer.h | |
| parent | 8c8f1c958ab5e948e954ebd97e328f23d347293b (diff) | |
| download | linux-4d8d096e9ae86621cc38b5417f4353305c5fd3a9.tar.xz | |
gma500: introduce the framebuffer support code
We support 2D acceleration on some devices but we try and do tricks with
the GTT as a starting point as this is far faster. The GTT logic could be
improved further but for most display sizes it already makes a pretty good
decision.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/gma500/framebuffer.h')
| -rw-r--r-- | drivers/gpu/drm/gma500/framebuffer.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/gma500/framebuffer.h b/drivers/gpu/drm/gma500/framebuffer.h new file mode 100644 index 000000000000..d1b2289447f0 --- /dev/null +++ b/drivers/gpu/drm/gma500/framebuffer.h @@ -0,0 +1,48 @@ +/* + * Copyright (c) 2008-2011, Intel Corporation + * + * 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. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Authors: + * Eric Anholt <eric@anholt.net> + * + */ + +#ifndef _FRAMEBUFFER_H_ +#define _FRAMEBUFFER_H_ + +#include <drm/drmP.h> +#include <drm/drm_fb_helper.h> + +#include "psb_drv.h" + +struct psb_framebuffer { + struct drm_framebuffer base; + struct address_space *addr_space; + struct fb_info *fbdev; + struct gtt_range *gtt; + bool vm_map; /* True if we must undo a vm_map_ram */ +}; + +struct psb_fbdev { + struct drm_fb_helper psb_fb_helper; + struct psb_framebuffer pfb; +}; + +#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base) + +extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask); + +#endif + |