Re: [Nouveau] [PATCH 2/3] drm/nouveau/kms/nv50-: Report max cursor size to userspace

[Ilia Mirkin <imirkin@alum.mit.edu>]

On Tue, Feb 23, 2021 at 9:26 AM Alex Riesen
<alexander.riesen@cetitec.com> wrote:
>
> Lyude Paul, Tue, Jan 19, 2021 02:54:13 +0100:
> > diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> > index c6367035970e..5f4f09a601d4 100644
> > --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> > +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> > @@ -2663,6 +2663,14 @@ nv50_display_create(struct drm_device *dev)
> >       else
> >               nouveau_display(dev)->format_modifiers = disp50xx_modifiers;
> >
> > +     if (disp->disp->object.oclass >= GK104_DISP) {
> > +             dev->mode_config.cursor_width = 256;
> > +             dev->mode_config.cursor_height = 256;
> > +     } else {
> > +             dev->mode_config.cursor_width = 64;
> > +             dev->mode_config.cursor_height = 64;
> > +     }
> > +
> >       /* create crtc objects to represent the hw heads */
> >       if (disp->disp->object.oclass >= GV100_DISP)
> >               crtcs = nvif_rd32(&device->object, 0x610060) & 0xff;
>
> This change broke X cursor in my setup, and reverting the commit restores it.
>
> Dell Precision M4800, issue ~2014 with GK106GLM [Quadro K2100M] (rev a1).
> libdrm 2.4.91-1 (Debian 10.8 stable).
> There are no errors or warnings in Xorg logs nor in the kernel log.

Hi Alex,

Could you confirm which ddx is driving the nvidia hw? You can find
this out by running "xrandr --listproviders", or also in the xorg log.

Thanks,

  -ilia
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