diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2014-11-19 12:28:11 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-11-20 02:27:09 +0100 |
| commit | 49b70a31c166a6da12f60ec85da608c064555406 (patch) | |
| tree | e406da7901bc3f0396ee19ae87a8005fb08090f2 /drivers/gpu/drm/bochs/bochs_fbdev.c | |
| parent | bochs: add endian switching support (diff) | |
| download | linux-49b70a31c166a6da12f60ec85da608c064555406.tar.xz linux-49b70a31c166a6da12f60ec85da608c064555406.zip | |
bochs: fix bochsdrmfb mmap
Remove the mapping offset from the bo backing the fbdev framebuffer.
Wire up fbdev mmap function to map the backing bo using ttm_fbdev_mmap.
With that patch in place mmap(/dev/fb0) works as expected.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/bochs/bochs_fbdev.c')
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_fbdev.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_fbdev.c b/drivers/gpu/drm/bochs/bochs_fbdev.c index fe95d31cd110..61dbf09dff5d 100644 --- a/drivers/gpu/drm/bochs/bochs_fbdev.c +++ b/drivers/gpu/drm/bochs/bochs_fbdev.c @@ -9,6 +9,17 @@ /* ---------------------------------------------------------------------- */ +static int bochsfb_mmap(struct fb_info *info, + struct vm_area_struct *vma) +{ + struct drm_fb_helper *fb_helper = info->par; + struct bochs_device *bochs = + container_of(fb_helper, struct bochs_device, fb.helper); + struct bochs_bo *bo = gem_to_bochs_bo(bochs->fb.gfb.obj); + + return ttm_fbdev_mmap(vma, &bo->bo); +} + static struct fb_ops bochsfb_ops = { .owner = THIS_MODULE, .fb_check_var = drm_fb_helper_check_var, @@ -19,6 +30,7 @@ static struct fb_ops bochsfb_ops = { .fb_pan_display = drm_fb_helper_pan_display, .fb_blank = drm_fb_helper_blank, .fb_setcmap = drm_fb_helper_setcmap, + .fb_mmap = bochsfb_mmap, }; static int bochsfb_create_object(struct bochs_device *bochs, @@ -123,11 +135,9 @@ static int bochsfb_create(struct drm_fb_helper *helper, info->screen_base = bo->kmap.virtual; info->screen_size = size; -#if 0 - /* FIXME: get this right for mmap(/dev/fb0) */ - info->fix.smem_start = bochs_bo_mmap_offset(bo); + drm_vma_offset_remove(&bo->bo.bdev->vma_manager, &bo->bo.vma_node); + info->fix.smem_start = 0; info->fix.smem_len = size; -#endif ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { |