Re: [PATCH] amdgpu: Avoid building on UML

[Felix Kuehling <felix.kuehling@amd.com>]

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@amd.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@pefoley.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,