Displaying 7 results from an estimated 7 matches for "ywrapstep".
2016 Jan 05
3
Activate DVI-I behind KVM on FX 5200
Hi folks,
I don't seem to be able to enable the DVI-I output of an old FX 5200
behind a KVM switch. Autodetection works fine if the FX 5200 DVI output
is switched to the monitor, but when it is not, I have not found a way
to force-enable it.
Here is what I tried:
*) used the video=DVI-I-1:1280x1024-24 at 60e kernel parameter
(framebuffer still sits at 1024x768)
*) used "options
2020 Oct 29
4
[PATCH 1/3] fbcon: Disable accelerated scrolling
...de(struct fbcon_display *p,
{
struct fbcon_ops *ops = info->fbcon_par;
int fh = vc->vc_font.height;
- int cap = info->flags;
- u16 t = 0;
- int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
- info->fix.xpanstep);
- int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
info->var.xres_virtual);
- int good_pan = (cap & FBINFO_HWACCEL_YPAN) &&
- divides(ypan, vc->vc_font.height) &&...
2020 Oct 28
0
[PATCH] fbcon: Disable accelerated scrolling
...@ static void updatescrollmode(struct fbcon_display *p,
{
struct fbcon_ops *ops = info->fbcon_par;
int fh = vc->vc_font.height;
- u16 t = 0;
- int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
- info->fix.xpanstep);
- int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
info->var.xres_virtual);
2020 Oct 29
0
[PATCH] fbcon: Disable accelerated scrolling
...de(struct fbcon_display *p,
{
struct fbcon_ops *ops = info->fbcon_par;
int fh = vc->vc_font.height;
- int cap = info->flags;
- u16 t = 0;
- int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
- info->fix.xpanstep);
- int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
info->var.xres_virtual);
- int good_pan = (cap & FBINFO_HWACCEL_YPAN) &&
- divides(ypan, vc->vc_font.height) &&...
2020 Oct 31
2
[PATCH] fbcon: Disable accelerated scrolling
...t; struct fbcon_ops *ops = info->fbcon_par;
> int fh = vc->vc_font.height;
> - int cap = info->flags;
> - u16 t = 0;
> - int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
> - info->fix.xpanstep);
> - int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
> int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
> int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
> info->var.xres_virtual);
> - int good_pan = (cap & FBINFO_HWACCEL_YPAN) &&
> - divides(ypan, vc->vc_fo...
2020 Oct 31
0
[PATCH] fbcon: Disable accelerated scrolling
...>vc_font.height;
> > - int cap = info->flags;
> > - u16 t = 0;
> > - int ypan = FBCON_SWAP(ops->rotate, info->fix.ypanstep,
> > - info->fix.xpanstep);
> > - int ywrap = FBCON_SWAP(ops->rotate, info->fix.ywrapstep, t);
> > int yres = FBCON_SWAP(ops->rotate, info->var.yres, info->var.xres);
> > int vyres = FBCON_SWAP(ops->rotate, info->var.yres_virtual,
> > info->var.xres_virtual);
> > - int good_pan = (cap & FBINFO...
2020 Oct 28
8
[PATCH] fbcon: Disable accelerated scrolling
So ever since syzbot discovered fbcon, we have solid proof that it's
full of bugs. And often the solution is to just delete code and remove
features, e.g. 50145474f6ef ("fbcon: remove soft scrollback code").
Now the problem is that most modern-ish drivers really only treat
fbcon as an dumb kernel console until userspace takes over, and Oops
printer for some emergencies. Looking at