[PATCH] drm/amdgpu: Add umc channel index mapping table for umc_v8_10

Zhou1, Tao Tao.Zhou1 at amd.com
Mon Nov 14 03:55:27 UTC 2022


[AMD Official Use Only - General]

Reviewed-by: Tao Zhou <tao.zhou1 at amd.com>

> -----Original Message-----
> From: Chai, Thomas <YiPeng.Chai at amd.com>
> Sent: Monday, November 14, 2022 9:52 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhang, Hawking
> <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Li, Candice
> <Candice.Li at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
> Subject: [PATCH] drm/amdgpu: Add umc channel index mapping table for
> umc_v8_10
> 
> Add umc channel index mapping table for umc_v8_10.
> 
> Signed-off-by: YiPeng Chai <YiPeng.Chai at amd.com>
> Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c |  5 ++++-
> drivers/gpu/drm/amd/amdgpu/umc_v8_10.c | 10 ++++++++++
> drivers/gpu/drm/amd/amdgpu/umc_v8_10.h |  4 ++++
>  3 files changed, 18 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> index 16f52049d986..96e52ec0fb69 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
> @@ -558,7 +558,10 @@ static void gmc_v11_0_set_umc_funcs(struct
> amdgpu_device *adev)
>  		adev->umc.node_inst_num = adev->gmc.num_umc;
>  		adev->umc.max_ras_err_cnt_per_query =
> UMC_V8_10_TOTAL_CHANNEL_NUM(adev);
>  		adev->umc.channel_offs =
> UMC_V8_10_PER_CHANNEL_OFFSET;
> -		adev->umc.channel_idx_tbl =
> &umc_v8_10_channel_idx_tbl[0][0][0];
> +		if (adev->umc.node_inst_num == 4)
> +			adev->umc.channel_idx_tbl =
> &umc_v8_10_channel_idx_tbl_ext0[0][0][0];
> +		else
> +			adev->umc.channel_idx_tbl =
> &umc_v8_10_channel_idx_tbl[0][0][0];
>  		adev->umc.ras = &umc_v8_10_ras;
>  		break;
>  	case IP_VERSION(8, 11, 0):
> diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.c
> b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.c
> index 91235df54e22..b7da4528cf0a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.c
> +++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.c
> @@ -45,6 +45,16 @@ const struct channelnum_map_colbit
> umc_v8_10_channelnum_map_colbit_table[] = {
>  	{6,  11},
>  };
> 
> +const uint32_t
> +	umc_v8_10_channel_idx_tbl_ext0[]
> +				[UMC_V8_10_UMC_INSTANCE_NUM]
> +				[UMC_V8_10_CHANNEL_INSTANCE_NUM] = {
> +	   {{1,   5}, {7,  3}},
> +	   {{14, 15}, {13, 12}},
> +	   {{10, 11}, {9,  8}},
> +	   {{6,   2}, {0,  4}}
> +	};
> +
>  const uint32_t
>  	umc_v8_10_channel_idx_tbl[]
>  				[UMC_V8_10_UMC_INSTANCE_NUM]
> diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
> b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
> index 849ede88e111..25eaf4af5fcf 100644
> --- a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
> +++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
> @@ -66,5 +66,9 @@ extern const uint32_t
>  				[UMC_V8_10_UMC_INSTANCE_NUM]
>  				[UMC_V8_10_CHANNEL_INSTANCE_NUM];
> 
> +extern const uint32_t
> +	umc_v8_10_channel_idx_tbl_ext0[]
> +				[UMC_V8_10_UMC_INSTANCE_NUM]
> +				[UMC_V8_10_CHANNEL_INSTANCE_NUM];
>  #endif
> 
> --
> 2.25.1


More information about the amd-gfx mailing list