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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-05-25 06:41:23 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-06-01 08:45:19 -0300 |
| commit | 5d9c08dea0c13c09408f97fe61d34c198c4f3277 (patch) | |
| tree | 572f04b7e29e4ecb8b60c3029f3d49df0408bb34 /drivers | |
| parent | 7700a0d293ad8b1b1759ad06ac868f9a42fd0951 (diff) | |
| download | op-kernel-dev-5d9c08dea0c13c09408f97fe61d34c198c4f3277.zip op-kernel-dev-5d9c08dea0c13c09408f97fe61d34c198c4f3277.tar.gz | |
[media] ivtvfb: use display information in info not in var for panning
We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it. Also use the
aligned fix.line_length and not the (possible) unaligned xres_virtual.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/ivtv/ivtvfb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/ivtv/ivtvfb.c b/drivers/media/video/ivtv/ivtvfb.c index 1724745..2d5a974 100644 --- a/drivers/media/video/ivtv/ivtvfb.c +++ b/drivers/media/video/ivtv/ivtvfb.c @@ -836,7 +836,8 @@ static int ivtvfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *inf u32 osd_pan_index; struct ivtv *itv = (struct ivtv *) info->par; - osd_pan_index = (var->xoffset + (var->yoffset * var->xres_virtual))*var->bits_per_pixel/8; + osd_pan_index = var->yoffset * info->fix.line_length + + var->xoffset * info->var.bits_per_pixel / 8; write_reg(osd_pan_index, 0x02A0C); /* Pass this info back the yuv handler */ |
