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Message-ID: <7212f65a-4d2d-5ecd-235d-95b60f45a0e8@amd.com>
Date: Mon, 6 Mar 2023 11:17:26 -0500
From: Felix Kuehling <felix.kuehling@....com>
To: Peter Foley <pefoley2@...oley.com>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
"Pan, Xinhui" <Xinhui.Pan@....com>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>
Cc: dri-devel@...ts.freedesktop.org, amd-gfx@...ts.freedesktop.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] amdgpu: Avoid building on UML
Looks like this patch got lost over the holidays. Alex, are you OK with
applying this patch? Or are people looking for a more general solution
to not build HW drivers for UML? FWIW:
Acked-by: Felix Kuehling <Felix.Kuehling@....com>
Am 2023-01-12 um 23:30 schrieb Peter Foley:
> The amdgpu driver tries to use fields not supported by UML's cpuinfo
> struct. Disable the driver when targeting UML to avoid tripping up
> allyesconfig.
>
> e.g.
> ../drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c: In function ‘intel_core_rkl_chk’:
> ../drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:1742:33: error: initialization of ‘struct cpuinfo_x86 *’ from incompatible pointer type ‘struct cpuinfo_um *’ [-Werror=incompatible-pointer-types
> ]
> ../drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c: In function ‘kfd_cpumask_to_apic_id’:
> ../drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_topology.c:2157:48: error: ‘struct cpuinfo_um’ has no member named ‘apicid’
>
> Signed-off-by: Peter Foley <pefoley2@...oley.com>
> ---
> drivers/gpu/drm/amd/amdgpu/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig b/drivers/gpu/drm/amd/amdgpu/Kconfig
> index 5fcd510f1abb..aa0008ff8712 100644
> --- a/drivers/gpu/drm/amd/amdgpu/Kconfig
> +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
> @@ -3,6 +3,7 @@
> config DRM_AMDGPU
> tristate "AMD GPU"
> depends on DRM && PCI && MMU
> + depends on !UML
> select FW_LOADER
> select DRM_DISPLAY_DP_HELPER
> select DRM_DISPLAY_HDMI_HELPER
>
> ---
> base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2
> change-id: 20230112-amduml-565935d34bfb
>
> Best regards,
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