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authorRaphael Assenat <raph@8d.com>2006-10-03 01:15:05 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-03 08:04:12 -0700
commit5c60b118d62c14ad7586ed6a6e537c3294c90227 (patch)
treec4933389441e820d40683aa72c82e8750948c83c /drivers/video
parent8bc218410d6c2b22a7581fac6f3dc2ac1f8fc99f (diff)
[PATCH] mbxfb: Fix framebuffer size smaller than requested
This patch fixes a bug where we obtain a smaller resolution than requested. (eg: in 640x480, only 639x479 usable pixels). This was due to 1 being substracted from the xres and yres vars two times: first in mbxfb.c and then in the macros from reg_bits.h. This patch removes the minus ones from the mbxfb.c file. Tested and works. Signed-off-by: Raphael Assenat <raph@8d.com> Signed-off-by: Antonino Daplas <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/mbx/mbxfb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c
index cfc6bf3615b..a32d1af79e0 100644
--- a/drivers/video/mbx/mbxfb.c
+++ b/drivers/video/mbx/mbxfb.c
@@ -255,8 +255,8 @@ static int mbxfb_set_par(struct fb_info *info)
/* setup resolution */
gsctrl &= ~(FMsk(GSCTRL_GSWIDTH) | FMsk(GSCTRL_GSHEIGHT));
- gsctrl |= Gsctrl_Width(info->var.xres - 1) |
- Gsctrl_Height(info->var.yres - 1);
+ gsctrl |= Gsctrl_Width(info->var.xres) |
+ Gsctrl_Height(info->var.yres);
writel(gsctrl, GSCTRL);
udelay(1000);
@@ -413,8 +413,8 @@ static void __devinit setup_graphics(struct fb_info *fbi)
{
unsigned long gsctrl;
- gsctrl = GSCTRL_GAMMA_EN | Gsctrl_Width(fbi->var.xres - 1) |
- Gsctrl_Height(fbi->var.yres - 1);
+ gsctrl = GSCTRL_GAMMA_EN | Gsctrl_Width(fbi->var.xres) |
+ Gsctrl_Height(fbi->var.yres);
switch (fbi->var.bits_per_pixel) {
case 16:
if (fbi->var.green.length == 5)