linux-kernel - Re: [PATCH] drm/amdkfd: Use proper enum in pm_unmap_queues

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Date:   Thu, 17 Feb 2022 11:31:30 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Nathan Chancellor <nathan@...nel.org>
Cc:     Felix Kuehling <Felix.Kuehling@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        Jonathan Kim <jonathan.kim@....com>, llvm@...ts.linux.dev,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>
Subject: Re: [PATCH] drm/amdkfd: Use proper enum in pm_unmap_queues_v9()

On Thu, Feb 17, 2022 at 11:22 AM Nathan Chancellor <nathan@...nel.org> wrote:
>
> Clang warns:
>
>   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager_v9.c:267:3:
>   error: implicit conversion from enumeration type 'enum
>   mes_map_queues_extended_engine_sel_enum' to different enumeration type
>   'enum mes_unmap_queues_extended_engine_sel_enum'
>   [-Werror,-Wenum-conversion]
>                   extended_engine_sel__mes_map_queues__sdma0_to_7_sel :
>                   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>   1 error generated.
>
> Use 'extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel' to eliminate
> the warning, which is the same numeric value of the proper type.
>
> Fixes: 009e9a158505 ("drm/amdkfd: navi2x requires extended engines to map and unmap sdma queues")
> Link: https://github.com/ClangBuiltLinux/linux/issues/1596
> Signed-off-by: Nathan Chancellor <nathan@...nel.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
> index 806a03566a24..18250845a989 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
> @@ -264,7 +264,7 @@ static int pm_unmap_queues_v9(struct packet_manager *pm, uint32_t *buffer,
>                                         sizeof(struct pm4_mes_unmap_queues));
>
>         packet->bitfields2.extended_engine_sel = pm_use_ext_eng(pm->dqm->dev) ?
> -               extended_engine_sel__mes_map_queues__sdma0_to_7_sel :
> +               extended_engine_sel__mes_unmap_queues__sdma0_to_7_sel :
>                 extended_engine_sel__mes_unmap_queues__legacy_engine_sel;
>
>         packet->bitfields2.engine_sel =
>
> base-commit: 3c30cf91b5ecc7272b3d2942ae0505dd8320b81c
> --
> 2.35.1
>