[PATCH] drm/amdgpu: add missing df counter disable write

[Alex Deucher]

On Tue, Feb 23, 2021 at 4:34 PM Jonathan Kim <jonathan.kim at amd.com> wrote:
>
> Request to stop DF performance counters is missing the actual write to the
> controller register.
>
> Reported-by: Chris Freehill <chris.freehill at amd.com>
> Signed-off-by: Jonathan Kim <jonathan.kim at amd.com>

Acked-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/df_v3_6.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
> index 6b4b30a8dce5..44109a6b8f44 100644
> --- a/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
> +++ b/drivers/gpu/drm/amd/amdgpu/df_v3_6.c
> @@ -568,6 +568,8 @@ static int df_v3_6_pmc_stop(struct amdgpu_device *adev, uint64_t config,
>                 if (ret)
>                         return ret;
>
> +               df_v3_6_perfmon_wreg(adev, lo_base_addr, lo_val,
> +                                                       hi_base_addr, hi_val);
>
>                 if (is_remove) {
>                         df_v3_6_reset_perfmon_cntr(adev, config, counter_idx);
> --
> 2.17.1
>
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