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SubjectRe: [PATCH] efifb: fix framebuffer handoff
On 02/13/2010 05:41 AM, Marcin Slusarz wrote:
> Commit 4410f3910947dcea8672280b3adecd53cec4e85e
> (fbdev: add support for handoff from firmware to hw framebuffers)
> didn't add fb_destroy operation to efifb. Fix it and change
> aperture_size to match size passed to request_mem_region.
>
> See: http://bugzilla.kernel.org/show_bug.cgi?id=15151
>
> Reported-by: Alex Zhavnerchik <alex.vizor@gmail.com>
> Tested-by: Alex Zhavnerchik <alex.vizor@gmail.com>
> Cc: Peter Jones <pjones@redhat.com>
> Cc: Huang Ying <ying.huang@intel.com>
> Cc: Dave Airlie <airlied@redhat.com>
> Cc: linux-fbdev@vger.kernel.org
> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>

Looks good.

Acked by: Peter Jones <pjones@redhat.com>

> ---
> drivers/video/efifb.c | 11 ++++++++++-
> 1 files changed, 10 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
> index eb12182..d25df51 100644
> --- a/drivers/video/efifb.c
> +++ b/drivers/video/efifb.c
> @@ -161,8 +161,17 @@ static int efifb_setcolreg(unsigned regno, unsigned red, unsigned green,
> return 0;
> }
>
> +static void efifb_destroy(struct fb_info *info)
> +{
> + if (info->screen_base)
> + iounmap(info->screen_base);
> + release_mem_region(info->aperture_base, info->aperture_size);
> + framebuffer_release(info);
> +}
> +
> static struct fb_ops efifb_ops = {
> .owner = THIS_MODULE,
> + .fb_destroy = efifb_destroy,
> .fb_setcolreg = efifb_setcolreg,
> .fb_fillrect = cfb_fillrect,
> .fb_copyarea = cfb_copyarea,
> @@ -281,7 +290,7 @@ static int __init efifb_probe(struct platform_device *dev)
> info->par = NULL;
>
> info->aperture_base = efifb_fix.smem_start;
> - info->aperture_size = size_total;
> + info->aperture_size = size_remap;
>
> info->screen_base = ioremap(efifb_fix.smem_start, efifb_fix.smem_len);
> if (!info->screen_base) {


--
Peter

Computer games don't affect kids; I mean if Pac-Man affected us as
kids, we'd all be running around in darkened rooms, munching magic
pills and listening to repetitive electronic music.
-- Not actually Kristian Wilson, Nintendo, Inc, 1989


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