[PATCH 1/2] drm/amdgpu: fix compile error on architecture s390

[Deucher, Alexander]

[AMD Public Use]

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of
> Nirmoy
> Sent: Monday, March 15, 2021 2:43 PM
> To: Zeng, Oak <Oak.Zeng at amd.com>; amd-gfx at lists.freedesktop.org
> Subject: Re: [PATCH 1/2] drm/amdgpu: fix compile error on architecture s390
> 
> Wouldn't this restrict amdgpu for only x86 platform?

This particular case will only be x86.

Alex

> 
> On 3/11/21 4:29 AM, Oak Zeng wrote:
> > ioremap_cache is not supported on some architecture such as s390. Put
> > the codes into a #ifdef to fix some compile error reported by test
> > robot.
> >
> > Signed-off-by: Oak Zeng <Oak.Zeng at amd.com>
> > Reported-by: Kernel test robot <lkp at intel.com>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > index 37751e7..1091585 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> > @@ -1817,7 +1817,7 @@ int amdgpu_ttm_init(struct amdgpu_device
> *adev)
> >
> >   	/* Change the size here instead of the init above so only lpfn is
> affected */
> >   	amdgpu_ttm_set_buffer_funcs_status(adev, false); -#ifdef
> > CONFIG_64BIT
> > +#ifdef CONFIG_X86
> >   	if (adev->gmc.xgmi.connected_to_cpu)
> >   		adev->mman.aper_base_kaddr = ioremap_cache(adev-
> >gmc.aper_base,
> >   				adev->gmc.visible_vram_size);
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