* [PATCH v3 12/29] imsttfb: use display information in info not in var for panning
@ 2011-07-08 11:14 Laurent Pinchart
0 siblings, 0 replies; only message in thread
From: Laurent Pinchart @ 2011-07-08 11:14 UTC (permalink / raw)
To: linux-fbdev
We must not use any information in the passed var besides xoffset,
yoffset and vmode as otherwise applications might abuse it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
drivers/video/imsttfb.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/imsttfb.c b/drivers/video/imsttfb.c
index efb2c10..8149356 100644
--- a/drivers/video/imsttfb.c
+++ b/drivers/video/imsttfb.c
@@ -749,7 +749,7 @@ set_offset (struct fb_var_screeninfo *var, struct fb_info *info)
{
struct imstt_par *par = info->par;
__u32 off = var->yoffset * (info->fix.line_length >> 3)
- + ((var->xoffset * (var->bits_per_pixel >> 3)) >> 3);
+ + ((var->xoffset * (info->var.bits_per_pixel >> 3)) >> 3);
write_reg_le32(par->dc_regs, SSR, off);
}
--
1.7.3.4
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2011-07-08 11:14 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-07-08 11:14 [PATCH v3 12/29] imsttfb: use display information in info not in var for panning Laurent Pinchart
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).