[PATCH] drm/amdgpu/swsmu: init the baco mutex in early_init

[Wang, Kevin(Yang)]

Reviewed-by: Kevin Wang <kevin1.wang at amd.com>

> 在 2020年10月13日，20:15，Alex Deucher <alexdeucher at gmail.com> 写道：
> 
> GPU reset might get called during init time, before
> sw_init has been called.
> 
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> index f78749bc8760..7e1b303b5a3f 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> @@ -422,6 +422,9 @@ static int smu_early_init(void *handle)
>    smu->pm_enabled = !!amdgpu_dpm;
>    smu->is_apu = false;
>    mutex_init(&smu->mutex);
> +    mutex_init(&smu->smu_baco.mutex);
> +    smu->smu_baco.state = SMU_BACO_STATE_EXIT;
> +    smu->smu_baco.platform_support = false;
> 
>    return smu_set_funcs(adev);
> }
> @@ -803,10 +806,6 @@ static int smu_sw_init(void *handle)
>    bitmap_zero(smu->smu_feature.enabled, SMU_FEATURE_MAX);
>    bitmap_zero(smu->smu_feature.allowed, SMU_FEATURE_MAX);
> 
> -    mutex_init(&smu->smu_baco.mutex);
> -    smu->smu_baco.state = SMU_BACO_STATE_EXIT;
> -    smu->smu_baco.platform_support = false;
> -
>    mutex_init(&smu->sensor_lock);
>    mutex_init(&smu->metrics_lock);
>    mutex_init(&smu->message_lock);
> -- 
> 2.25.4
> 
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