RE: [PATCH] drm/amdgpu: fix hive reference leak when reflecting psp topology info

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> -----Original Message-----
> From: Liu, Shaoyun <Shaoyun.Liu@xxxxxxx>
> Sent: July 28, 2022 1:10 PM
> To: Kim, Jonathan <Jonathan.Kim@xxxxxxx>; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Kim, Jonathan <Jonathan.Kim@xxxxxxx>
> Subject: RE: [PATCH] drm/amdgpu: fix hive reference leak when reflecting
> psp topology info
>
> [AMD Official Use Only - General]
>
> Looks good to me .
> BTW , why we didn't catch it on baremetal mode  ?

Thanks for the review Shaoyun.
Good question.  I'll double check what we're doing for unload testing.

Thanks,

Jon

>
> Reviewed-by: Shaoyun.liu <Shaoyun.liu@xxxxxxx>
>
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Jonathan Kim
> Sent: Thursday, July 28, 2022 1:06 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Kim, Jonathan <Jonathan.Kim@xxxxxxx>
> Subject: [PATCH] drm/amdgpu: fix hive reference leak when reflecting psp
> topology info
>
> Hives that require psp topology info to be reflected will leak hive reference
> so fix it.
>
> Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index 3ee363bfbac2..6c23e89366bf 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -1292,6 +1292,8 @@ static void psp_xgmi_reflect_topology_info(struct
> psp_context *psp,
>
>                 break;
>         }
> +
> +       amdgpu_put_xgmi_hive(hive);
>  }
>
>  int psp_xgmi_get_topology_info(struct psp_context *psp,
> --
> 2.25.1
>





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