Re: [PATCH] drm/amd/amdgpu: Not request init data for MS_HYPERV with vega10

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On Mon, Apr 11, 2022 at 9:52 AM Yongqiang Sun <yongqiang.sun@xxxxxxx> wrote:
>
> MS_HYPERV with vega10 doesn't have the interface to process
> request init data msg.
> Check hypervisor type to not send the request for MS_HYPERV.
>
> Signed-off-by: Yongqiang Sun <yongqiang.sun@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> index 933c41f77c92..56b130ec44a9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
> @@ -23,6 +23,10 @@
>
>  #include <linux/module.h>
>
> +#ifdef CONFIG_X86
> +#include <asm/hypervisor.h>
> +#endif
> +
>  #include <drm/drm_drv.h>
>
>  #include "amdgpu.h"
> @@ -721,8 +725,12 @@ void amdgpu_detect_virtualization(struct amdgpu_device *adev)
>                         break;
>                 case CHIP_VEGA10:
>                         soc15_set_virt_ops(adev);
> -                       /* send a dummy GPU_INIT_DATA request to host on vega10 */
> -                       amdgpu_virt_request_init_data(adev);
> +#ifdef CONFIG_X86
> +                       /* not send GPU_INIT_DATA with MS_HYPERV*/
> +                       if (hypervisor_is_type(X86_HYPER_MS_HYPERV) == false)

Preferred coding style would be:
if (!hypervisor_is_type(X86_HYPER_MS_HYPERV))
With that fixed:
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

> +#endif
> +                               /* send a dummy GPU_INIT_DATA request to host on vega10 */
> +                               amdgpu_virt_request_init_data(adev);
>                         break;
>                 case CHIP_VEGA20:
>                 case CHIP_ARCTURUS:
> --
> 2.25.1
>



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