[PATCH 1/3] Revert "drm/amd/powerply: fix power reading on Fiji"

[Alex Deucher]

On Wed, Apr 11, 2018 at 2:31 AM, Rex Zhu <Rex.Zhu at amd.com> wrote:
> we don't have limit of [50ms, 4sec] sampling period.
> smu calculate average gpu power in real time.
> we can read average gpu power through smu message or
> read special register.
>
> This reverts commit 462d8dcc9fec0d89f1ff6a1f93f1d4f670878c71.
>
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>

If Eric is ok with this,

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

> ---
>  drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> index 21c021b..388184e 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
> @@ -3364,8 +3364,7 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
>                         "Failed to start pm status log!",
>                         return -1);
>
> -       /* Sampling period from 50ms to 4sec */
> -       msleep_interruptible(200);
> +       msleep_interruptible(20);
>
>         PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
>                         PPSMC_MSG_PmStatusLogSample),
> --
> 1.9.1
>
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