> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Evan
> Quan
> Sent: Thursday, February 28, 2019 5:32 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Quan, Evan <Evan.Quan@xxxxxxx>
> Subject: [PATCH 2/2] drm/amd/powerplay: override duty cycle on Vega20
>
> This is needed for the new SMC firmwares only.
>
> Change-Id: I5934e5161ec53c1dd73cb1542ef6b738ad2e620c
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
Series is:
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> .../gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 16
> ++++++++++++++++
> drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h | 3 ++-
> 2 files changed, 18 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> index 9aa7bec1b5fe..d35f60ab3404 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
> @@ -828,6 +828,17 @@ static int vega20_override_pcie_parameters(struct
> pp_hwmgr *hwmgr)
> return 0;
> }
>
> +static int vega20_override_duty_cycle(struct pp_hwmgr *hwmgr) {
> + struct amdgpu_device *adev = (struct amdgpu_device *)(hwmgr-
> >adev);
> + int ret = 0;
> +
> + if (adev->pm.fw_version >= 0x00282700)
> + ret = smum_send_msg_to_smc(hwmgr,
> PPSMC_MSG_OverrideDutyCycle);
> +
> + return ret;
> +}
> +
> static int vega20_set_allowed_featuresmask(struct pp_hwmgr *hwmgr) {
> struct vega20_hwmgr *data =
> @@ -1644,6 +1655,11 @@ static int vega20_enable_dpm_tasks(struct
> pp_hwmgr *hwmgr)
> "[EnableDPMTasks] Failed to enable all smu
> features!",
> return result);
>
> + result = vega20_override_duty_cycle(hwmgr);
> + PP_ASSERT_WITH_CODE(!result,
> + "[EnableDPMTasks] Failed to override duty cycle!",
> + return result);
> +
> result = vega20_override_pcie_parameters(hwmgr);
> PP_ASSERT_WITH_CODE(!result,
> "[EnableDPMTasks] Failed to override pcie
> parameters!", diff --git
> a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> index 4f63a736ea0e..4a1e01f04cf5 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
> @@ -119,7 +119,8 @@
> #define PPSMC_MSG_PrepareMp1ForShutdown 0x5A
> #define PPSMC_MSG_SetMGpuFanBoostLimitRpm 0x5D
> #define PPSMC_MSG_GetAVFSVoltageByDpm 0x5F
> -#define PPSMC_Message_Count 0x60
> +#define PPSMC_MSG_OverrideDutyCycle 0x64
> +#define PPSMC_Message_Count 0x65
>
> typedef uint32_t PPSMC_Result;
> typedef uint32_t PPSMC_Msg;
> --
> 2.21.0
>
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