Reviewed-by: Evan Quan <evan.quan@xxxxxxx>
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex
> Deucher
> Sent: Thursday, July 04, 2019 10:58 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Subject: [PATCH 1/2] drm/amdgpu/navi10: add uclk activity sensor
>
> Query the metrics table for the current uclk activity.
>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> index e00397f84b2f..5794f7cef1c8 100644
> --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
> @@ -869,6 +869,7 @@ static int navi10_get_gpu_power(struct smu_context
> *smu, uint32_t *value) }
>
> static int navi10_get_current_activity_percent(struct smu_context *smu,
> + enum amd_pp_sensors sensor,
> uint32_t *value)
> {
> int ret = 0;
> @@ -884,7 +885,17 @@ static int navi10_get_current_activity_percent(struct
> smu_context *smu,
> if (ret)
> return ret;
>
> - *value = metrics.AverageGfxActivity;
> + switch (sensor) {
> + case AMDGPU_PP_SENSOR_GPU_LOAD:
> + *value = metrics.AverageGfxActivity;
> + break;
> + case AMDGPU_PP_SENSOR_MEM_LOAD:
> + *value = metrics.AverageUclkActivity;
> + break;
> + default:
> + pr_err("Invalid sensor for retrieving clock activity\n");
> + return -EINVAL;
> + }
>
> return 0;
> }
> @@ -1260,8 +1271,9 @@ static int navi10_read_sensor(struct smu_context
> *smu,
> *(uint32_t *)data = pptable->FanMaximumRpm;
> *size = 4;
> break;
> + case AMDGPU_PP_SENSOR_MEM_LOAD:
> case AMDGPU_PP_SENSOR_GPU_LOAD:
> - ret = navi10_get_current_activity_percent(smu, (uint32_t
> *)data);
> + ret = navi10_get_current_activity_percent(smu, sensor,
> (uint32_t
> +*)data);
> *size = 4;
> break;
> case AMDGPU_PP_SENSOR_GPU_POWER:
> --
> 2.20.1
>
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