[PATCH] drm/amdgpu: add an implement for check_power_state equal for KV

[Christian König]

Am 24.10.2016 um 21:51 schrieb Alex Deucher:
> KV/KB/ML was missed these was implemented for other asics.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Not the slightest idea what this is all about, so only Acked-by: 
Christian König <christian.koenig at amd.com>.

Christian.

> ---
>   drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 13 +++++++++++++
>   1 file changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> index 190bce8..61172d4 100644
> --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> @@ -3245,6 +3245,18 @@ static int kv_dpm_set_powergating_state(void *handle,
>   	return 0;
>   }
>   
> +static int kv_check_state_equal(struct amdgpu_device *adev,
> +				struct amdgpu_ps *cps,
> +				struct amdgpu_ps *rps,
> +				bool *equal)
> +{
> +	if (equal == NULL)
> +		return -EINVAL;
> +
> +	*equal = false;
> +	return 0;
> +}
> +
>   const struct amd_ip_funcs kv_dpm_ip_funcs = {
>   	.name = "kv_dpm",
>   	.early_init = kv_dpm_early_init,
> @@ -3276,6 +3288,7 @@ static const struct amdgpu_dpm_funcs kv_dpm_funcs = {
>   	.powergate_uvd = &kv_dpm_powergate_uvd,
>   	.enable_bapm = &kv_dpm_enable_bapm,
>   	.get_vce_clock_state = amdgpu_get_vce_clock_state,
> +	.check_state_equal = kv_check_state_equal,
>   };
>   
>   static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev)