linux-kernel - Re: linux-next: build failure after merge of the amdgpu tree

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Date:   Thu, 27 Jun 2019 10:18:38 -0400
From:   Alex Deucher <alexdeucher@...il.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Dave Airlie <airlied@...ux.ie>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Hawking Zhang <Hawking.Zhang@....com>,
        Huang Rui <ray.huang@....com>,
        DRI <dri-devel@...ts.freedesktop.org>
Subject: Re: linux-next: build failure after merge of the amdgpu tree

On Wed, Jun 26, 2019 at 11:35 PM Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Hi Dave,
>
> On Wed, 26 Jun 2019 21:22:12 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > Hi Alex,
> >
> > After merging the amdgpu tree, today's linux-next build (powerpc
> > allyesconfig) failed like this:
> >
> > In file included from drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:25:
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c: In function 'gfx_v10_0_cp_gfx_resume':
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: error: 'CP_RB1_CNTL__BUF_SWAP_MASK' undeclared (first use in this function); did you mean 'CP_RB_CNTL__BUF_SWAP_MASK'?
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >                            ^~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/amdgpu.h:1067:36: note: in definition of macro 'REG_FIELD_MASK'
> >  #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
> >                                     ^~~
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >         ^~~~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: note: each undeclared identifier is reported only once for each function it appears in
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >                            ^~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/amdgpu.h:1067:36: note: in definition of macro 'REG_FIELD_MASK'
> >  #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
> >                                     ^~~
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >         ^~~~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:27: error: 'CP_RB1_CNTL__BUF_SWAP__SHIFT' undeclared (first use in this function); did you mean 'CP_RB0_CNTL__BUF_SWAP__SHIFT'?
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >                            ^~~~~~~~~~~
> > drivers/gpu/drm/amd/amdgpu/amdgpu.h:1066:37: note: in definition of macro 'REG_FIELD_SHIFT'
> >  #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
> >                                      ^~~
> > drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c:2628:8: note: in expansion of macro 'REG_SET_FIELD'
> >   tmp = REG_SET_FIELD(tmp, CP_RB1_CNTL, BUF_SWAP, 1);
> >         ^~~~~~~~~~~~~
> >
> > Caused by commit
> >
> >   a644d85a5cd4 ("drm/amdgpu: add gfx v10 implementation (v10)")
> >
> > I have disabled that driver for today.  Please let me know when it is
> > fixed so that I can enable it again.
>
> I assume that this has now been inherited by the drm tree (since there
> has been no fix).  So the AMD_GPU driver will still be disabled in
> linux-next today as of the drm tree merge.

Fixed in this patch:
https://patchwork.freedesktop.org/patch/314527/?series=62866&rev=1

Alex

>
> --
> Cheers,
> Stephen Rothwell