From: Alex Deucher <alexdeucher@gmail.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Harry Wentland <harry.wentland@amd.com>,
Leo Li <sunpeng.li@amd.com>,
Alex Deucher <alexander.deucher@amd.com>,
Balbir Singh <bsingharora@gmail.com>,
Daniel Axtens <dja@axtens.net>,
Paul Mackerras <paulus@ozlabs.org>,
Michael Ellerman <mpe@ellerman.id.au>,
Kefeng Wang <wangkefeng.wang@huawei.com>,
"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
amd-gfx list <amd-gfx@lists.freedesktop.org>
Subject: Re: Linux 5.19-rc6
Date: Wed, 13 Jul 2022 17:00:58 -0400 [thread overview]
Message-ID: <CADnq5_O6Tp2QPXyDCvpWuRXhDr6H1PM50Ow5YG2WeukqUd-GnQ@mail.gmail.com> (raw)
In-Reply-To: <a804b76e-159f-dbc2-f8dc-62a58552e88d@roeck-us.net>
On Wed, Jul 13, 2022 at 4:46 PM Guenter Roeck <linux@roeck-us.net> wrote:
>
> On 7/13/22 12:36, Linus Torvalds wrote:
> > On Tue, Jul 12, 2022 at 10:07 PM Guenter Roeck <linux@roeck-us.net> wrote:
> >>
> >> Same problems as every week.
> >>
> >> Building powerpc:allmodconfig ... failed
> >
> > Ok, this has been going on since -rc1, which is much too long.
> >
> >>From your patch submission that that was rejected:
> >
> >> The problem was introduced with commit 41b7a347bf14 ("powerpc: Book3S
> >> 64-bit outline-only KASAN support") which adds support for KASAN. This
> >> commit in turn enables DRM_AMD_DC_DCN because KCOV_INSTRUMENT_ALL and
> >> KCOV_ENABLE_COMPARISONS are no longer enabled. As result, new files are
> >> compiled which lack the selection of hard-float.
> >
> > And considering that neither the ppc people nor the drm people seem
> > interested in fixing this, and it doesn't revert cleanly I think the
> > sane solution seems to be to just remove PPC64 support for DRM_AMD_DC
> > entirely.
> >
> > IOW, does something like this (obviously nor a proper patch, but you
> > get the idea) fix the ppc build for you?
> >
> > @@ -6,7 +6,7 @@ config DRM_AMD_DC
> > bool "AMD DC - Enable new display engine"
> > default y
> > select SND_HDA_COMPONENT if SND_HDA_CORE
> > - select DRM_AMD_DC_DCN if (X86 || PPC64) &&
> > !(KCOV_INSTRUMENT_ALL && KCOV_ENABLE_COMPARISONS)
> > + select DRM_AMD_DC_DCN if X86 && !(KCOV_INSTRUMENT_ALL &&
> > KCOV_ENABLE_COMPARISONS)
> > help
> > Choose this option if you want to use the new display engine
> > support for AMDGPU. This adds required support for Vega and
> >
>
> It does, but I can't imagine that the drm or ppc people would be happy
> about it.
If you want to apply Guenter's patch original patch:
https://patchwork.freedesktop.org/patch/490184/
That's fine with me. It just kind of slipped off my radar. We can
dig deeper on a better fix next cycle.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
>
> Guenter
next prev parent reply other threads:[~2022-07-13 21:01 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-10 21:54 Linux 5.19-rc6 Linus Torvalds
2022-07-11 6:44 ` Build regressions/improvements in v5.19-rc6 Geert Uytterhoeven
2022-07-13 5:07 ` Linux 5.19-rc6 Guenter Roeck
2022-07-13 19:36 ` Linus Torvalds
2022-07-13 19:48 ` Russell King (Oracle)
2022-07-13 20:21 ` Linus Torvalds
2022-07-13 20:40 ` Guenter Roeck
2022-07-13 20:42 ` Linus Torvalds
2022-07-14 12:20 ` Russell King (Oracle)
2022-07-14 12:14 ` Russell King (Oracle)
2022-07-13 21:36 ` Sudip Mukherjee
2022-07-13 21:45 ` Linus Torvalds
2022-07-13 21:50 ` Sudip Mukherjee
2022-07-13 22:56 ` Guenter Roeck
2022-07-13 23:09 ` Sudip Mukherjee
2022-07-13 23:12 ` Guenter Roeck
2022-07-13 23:26 ` Sudip Mukherjee
2022-07-13 23:44 ` Guenter Roeck
2022-07-13 23:02 ` Guenter Roeck
2022-07-14 1:30 ` Kefeng Wang
2022-07-13 19:53 ` Alex Deucher
2022-07-13 20:22 ` Linus Torvalds
2022-07-13 20:45 ` Guenter Roeck
2022-07-13 20:46 ` Guenter Roeck
2022-07-13 20:50 ` Linus Torvalds
2022-07-13 21:00 ` Alex Deucher [this message]
2022-07-13 21:32 ` Linus Torvalds
2022-07-14 7:23 ` Geert Uytterhoeven
2022-07-14 13:20 ` Guenter Roeck
2022-07-14 13:56 ` Geert Uytterhoeven
2022-07-14 16:48 ` Linus Torvalds
2022-07-14 17:24 ` Guenter Roeck
2022-07-14 17:37 ` Linus Torvalds
2022-07-15 7:26 ` Geert Uytterhoeven
2022-07-14 16:52 ` Alex Deucher
2022-07-14 23:16 ` Russell Currey
2022-07-15 9:33 ` Sudip Mukherjee
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