linux-kernel - Re: [PATCH 03/12] drm: aspeed_gfx: Fix misuse of GENMASK macro

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Date:   Thu, 25 Jul 2019 02:52:27 +0000
From:   Joel Stanley <joel@....id.au>
To:     Joe Perches <joe@...ches.com>
Cc:     Andrew Jeffery <andrew@...id.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-aspeed@...ts.ozlabs.org,
        dri-devel@...ts.freedesktop.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 03/12] drm: aspeed_gfx: Fix misuse of GENMASK macro

On Thu, 25 Jul 2019 at 01:18, Joe Perches <joe@...ches.com> wrote:
>
> On Thu, 2019-07-25 at 10:40 +0930, Andrew Jeffery wrote:
> >
> > On Thu, 25 Jul 2019, at 02:46, Joe Perches wrote:
> > > On Tue, 2019-07-09 at 22:04 -0700, Joe Perches wrote:
> > > > Arguments are supposed to be ordered high then low.
> > > >
> > > > Signed-off-by: Joe Perches <joe@...ches.com>
> > > > ---
> > > >  drivers/gpu/drm/aspeed/aspeed_gfx.h | 2 +-
> > > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/gpu/drm/aspeed/aspeed_gfx.h b/drivers/gpu/drm/aspeed/aspeed_gfx.h
> > > > index a10358bb61ec..095ea03e5833 100644
> > > > --- a/drivers/gpu/drm/aspeed/aspeed_gfx.h
> > > > +++ b/drivers/gpu/drm/aspeed/aspeed_gfx.h
> > > > @@ -74,7 +74,7 @@ int aspeed_gfx_create_output(struct drm_device *drm);
> > > >  /* CTRL2 */
> > > >  #define CRT_CTRL_DAC_EN                  BIT(0)
> > > >  #define CRT_CTRL_VBLANK_LINE(x)          (((x) << 20) & CRT_CTRL_VBLANK_LINE_MASK)
> > > > -#define CRT_CTRL_VBLANK_LINE_MASK        GENMASK(20, 31)
> > > > +#define CRT_CTRL_VBLANK_LINE_MASK        GENMASK(31, 20)
> >
> > Reviewed-by: Andrew Jeffery <andrew@...id.au>
>
> This hardly needs a review, it needs to be applied.
> There's a nominal git tree for aspeed here:
>
> T:      git git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed.git
>
> But who's going to do apply this?

This is a DRM patch, so it goes through the DRM tree. I am a
co-maintainer there and can apply it once I remember how to drive the
tools.

(FYI, this macro is not used by the current driver).

Cheers,

Joel