Re: [PATCH 4/4] drm/gma500: avoid Woverride-init warning

[Arnd Bergmann]

On Tue, Oct 27, 2020 at 10:54 AM Patrik Jakobsson
<patrik.r.jakobsson@xxxxxxxxx> wrote:
> On Tue, Oct 27, 2020 at 10:33 AM Daniel Vetter <daniel@xxxxxxxx> wrote:
> > On Mon, Oct 26, 2020 at 08:41:04PM +0100, Arnd Bergmann wrote:
> > > From: Arnd Bergmann <arnd@xxxxxxxx>
> > >
> > > gcc -Wextra notices that one of the fields in psbfb_roll_ops has two
> > > initializers:
> > >
> > > drivers/gpu/drm/gma500/framebuffer.c:185:20: warning: initialized field overwritten [-Woverride-init]
> > >
> > > Open-code this instead, leaving out the extraneous initializers for
> > > .fb_pan_display.
> > >
> > > Fixes: 3da6c2f3b730 ("drm/gma500: use DRM_FB_HELPER_DEFAULT_OPS for fb_ops")
> > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> >
> > Scrollback is dead, so I'm not sure it's even worth to keep all this. I'd
> > just garbage-collect this, maybe als the entire accelerator code and just
> > leave psbfb_unaccel_ops behind ...
> > -Daniel
>
> That's been my idea for quite some time. The gtt roll code is also
> broken in multi display setups.
>
> Arnd, I can take care of this unless you feel an urge to do it yourself.

That would be good, thanks

I have no specific interest in the drm drivers, this is just part of a
larger work to enable more of the W=1 options across the kernel
by default, after all the existing warnings are addressed.

       Arnd