RE: [PATCH] drm/amdgpu/soc21: add mode2 asic reset for SMU IP v13.0.4

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[AMD Official Use Only - General]

Acked-by: Evan Quan <evan.quan@xxxxxxx>

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex
> Deucher
> Sent: Friday, May 27, 2022 1:58 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Huang, Tim
> <Tim.Huang@xxxxxxx>
> Subject: [PATCH] drm/amdgpu/soc21: add mode2 asic reset for SMU IP
> v13.0.4
> 
> Set the default reset method to mode2 for SMU IP v13.0.4
> 
> Signed-off-by: Tim Huang <tim.huang@xxxxxxx>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/soc21.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c
> b/drivers/gpu/drm/amd/amdgpu/soc21.c
> index 9e18a2b22607..a400f5273343 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc21.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c
> @@ -310,6 +310,7 @@ static enum amd_reset_method
> soc21_asic_reset_method(struct amdgpu_device *adev)  {
>  	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
> +	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
>  	    amdgpu_reset_method == AMD_RESET_METHOD_BACO)
>  		return amdgpu_reset_method;
> 
> @@ -320,6 +321,8 @@ soc21_asic_reset_method(struct amdgpu_device
> *adev)
>  	switch (adev->ip_versions[MP1_HWIP][0]) {
>  	case IP_VERSION(13, 0, 0):
>  		return AMD_RESET_METHOD_MODE1;
> +	case IP_VERSION(13, 0, 4):
> +		return AMD_RESET_METHOD_MODE2;
>  	default:
>  		if (amdgpu_dpm_is_baco_supported(adev))
>  			return AMD_RESET_METHOD_BACO;
> @@ -341,6 +344,10 @@ static int soc21_asic_reset(struct amdgpu_device
> *adev)
>  		dev_info(adev->dev, "BACO reset\n");
>  		ret = amdgpu_dpm_baco_reset(adev);
>  		break;
> +	case AMD_RESET_METHOD_MODE2:
> +		dev_info(adev->dev, "MODE2 reset\n");
> +		ret = amdgpu_dpm_mode2_reset(adev);
> +		break;
>  	default:
>  		dev_info(adev->dev, "MODE1 reset\n");
>  		ret = amdgpu_device_mode1_reset(adev);
> --
> 2.35.3




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