RE: [PATCH v3] drm/amd/powerplay: add limit of pp_feature for smu (v3)

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> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf
> Of likun Gao
> Sent: Thursday, February 28, 2019 11:14 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Gao, Likun
> <Likun.Gao@xxxxxxx>; Huang, Ray <Ray.Huang@xxxxxxx>
> Subject: [PATCH v3] drm/amd/powerplay: add limit of pp_feature for smu
> (v3)
> 
> From: Likun Gao <Likun.Gao@xxxxxxx>
> 
> Move pp_feature from the struct of amd_powerplay to amdgpu_device.
> Add pp_feature limit for overdrive interface.
> 
> v2: put pp_feature into struct amdgpu_pm.
> v3: merge feature_mask with pp_feature.
> 
> Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
> Reviewed-by: Kevin Wang <kevin1.wang@xxxxxxx>
> Suggested-by: Alex Deucher <alexander.deucher@xxxxxxx>
> Suggested-by: Huang Rui <ray.huang@xxxxxxx>

Reviewed-by: Huang Rui <ray.huang@xxxxxxx>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu.h            | 1 -
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c     | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h        | 3 +++
>  drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c        | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c         | 6 ++++--
>  drivers/gpu/drm/amd/amdgpu/kv_dpm.c            | 2 +-
>  drivers/gpu/drm/amd/amdgpu/soc15.c             | 2 +-
>  drivers/gpu/drm/amd/powerplay/amd_powerplay.c  | 2 +-
>  drivers/gpu/drm/amd/powerplay/amdgpu_smu.c     | 3 +++
>  drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 1 +
>  10 files changed, 16 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index d1c02fa..b8330a2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -706,7 +706,6 @@ enum amd_hw_ip_block_type {  struct
> amd_powerplay {
>  	void *pp_handle;
>  	const struct amd_pm_funcs *pp_funcs;
> -	uint32_t pp_feature;
>  };
> 
>  #define AMDGPU_RESET_MAGIC_NUM 64
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index fcab1fe..a9a45b9 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1506,7 +1506,7 @@ static int amdgpu_device_ip_early_init(struct
> amdgpu_device *adev)
>  			return -EAGAIN;
>  	}
> 
> -	adev->powerplay.pp_feature = amdgpu_pp_feature_mask;
> +	adev->pm.pp_feature = amdgpu_pp_feature_mask;
> 
>  	for (i = 0; i < adev->num_ip_blocks; i++) {
>  		if ((amdgpu_ip_block_mask & (1 << i)) == 0) { diff --git
> a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> index 2fda77f..dca3540 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
> @@ -445,6 +445,9 @@ struct amdgpu_pm {
>  	uint32_t                smu_prv_buffer_size;
>  	struct amdgpu_bo        *smu_prv_buffer;
>  	bool ac_power;
> +	/* powerplay feature */
> +	uint32_t pp_feature;
> +
>  };
> 
>  #define R600_SSTU_DFLT                               0
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
> index 97a60da..997932e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c
> @@ -390,7 +390,7 @@ void amdgpu_gfx_compute_mqd_sw_fini(struct
> amdgpu_device *adev)
> 
>  void amdgpu_gfx_off_ctrl(struct amdgpu_device *adev, bool enable)  {
> -	if (!(adev->powerplay.pp_feature & PP_GFXOFF_MASK))
> +	if (!(adev->pm.pp_feature & PP_GFXOFF_MASK))
>  		return;
> 
>  	if (!adev->powerplay.pp_funcs || !adev->powerplay.pp_funcs-
> >set_powergating_by_smu)
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> index d3efba8..286d9e3 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
> @@ -2557,7 +2557,8 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device
> *adev)
>  				"pp_power_profile_mode\n");
>  		return ret;
>  	}
> -	if (is_support_sw_smu(adev) || hwmgr->od_enabled) {
> +	if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
> +	    (!is_support_sw_smu(adev) && hwmgr->od_enabled)) {
>  		ret = device_create_file(adev->dev,
>  				&dev_attr_pp_od_clk_voltage);
>  		if (ret) {
> @@ -2633,7 +2634,8 @@ void amdgpu_pm_sysfs_fini(struct amdgpu_device
> *adev)
>  	device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
>  	device_remove_file(adev->dev,
>  			&dev_attr_pp_power_profile_mode);
> -	if (hwmgr->od_enabled)
> +	if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
> +	    (!is_support_sw_smu(adev) && hwmgr->od_enabled))
>  		device_remove_file(adev->dev,
>  				&dev_attr_pp_od_clk_voltage);
>  	device_remove_file(adev->dev, &dev_attr_gpu_busy_percent); diff
> --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> index 0c9a2c0..f2e6b14 100644
> --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> @@ -2824,7 +2824,7 @@ static int kv_dpm_init(struct amdgpu_device *adev)
>  		pi->caps_tcp_ramping = true;
>  	}
> 
> -	if (adev->powerplay.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
> +	if (adev->pm.pp_feature & PP_SCLK_DEEP_SLEEP_MASK)
>  		pi->caps_sclk_ds = true;
>  	else
>  		pi->caps_sclk_ds = false;
> diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c
> b/drivers/gpu/drm/amd/amdgpu/soc15.c
> index 9f6ce6e..e172114 100644
> --- a/drivers/gpu/drm/amd/amdgpu/soc15.c
> +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
> @@ -933,7 +933,7 @@ static int soc15_common_early_init(void *handle)
>  			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
> AMD_PG_SUPPORT_VCN;
>  		}
> 
> -		if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
> +		if (adev->pm.pp_feature & PP_GFXOFF_MASK)
>  			adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
>  				AMD_PG_SUPPORT_CP |
>  				AMD_PG_SUPPORT_RLC_SMU_HS;
> diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> index 3f73f7c..a66917d 100644
> --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> @@ -53,7 +53,7 @@ static int amd_powerplay_create(struct amdgpu_device
> *adev)
>  	mutex_init(&hwmgr->smu_lock);
>  	hwmgr->chip_family = adev->family;
>  	hwmgr->chip_id = adev->asic_type;
> -	hwmgr->feature_mask = adev->powerplay.pp_feature;
> +	hwmgr->feature_mask = adev->pm.pp_feature;
>  	hwmgr->display_config = &adev->pm.pm_display_cfg;
>  	adev->powerplay.pp_handle = hwmgr;
>  	adev->powerplay.pp_funcs = &pp_dpm_funcs; diff --git
> a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> index 9cb45fe..2caf97e 100644
> --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
> @@ -290,6 +290,9 @@ static int smu_set_funcs(struct amdgpu_device
> *adev)
> 
>  	switch (adev->asic_type) {
>  	case CHIP_VEGA20:
> +		adev->pm.pp_feature &= ~PP_GFXOFF_MASK;
> +		if (adev->pm.pp_feature & PP_OVERDRIVE_MASK)
> +			smu->od_enabled = true;
>  		smu_v11_0_set_smu_funcs(smu);
>  		break;
>  	default:
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> index 00ef6f1..ec8b529 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
> @@ -384,6 +384,7 @@ struct smu_context
>  	uint32_t pstate_sclk;
>  	uint32_t pstate_mclk;
> 
> +	bool od_enabled;
>  	uint32_t power_limit;
>  	uint32_t default_power_limit;
> 
> --
> 2.7.4
> 
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