[PATCH] drm/amdgpu: Use dpm_enabled as the dpm state flag

[Quan, Evan]

Reviewed-by: Evan Quan <evan.quan at amd.com>

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Rex Zhu
> Sent: Monday, March 26, 2018 4:24 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Zhu, Rex <Rex.Zhu at amd.com>
> Subject: [PATCH] drm/amdgpu: Use dpm_enabled as the dpm state flag
> 
> driver will set dpm_enabled to true only when module paramter
> amdgpu_dpm not set to 0 and smu initialize successfully.
> 
> Change-Id: Ic835dc93e0cfdfc2be7d10109d0c63b3cc4c2dff
> Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +-
>  drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c     | 2 +-
>  drivers/gpu/drm/amd/amdgpu/ci_dpm.c         | 2 +-
>  drivers/gpu/drm/amd/amdgpu/kv_dpm.c         | 2 +-
>  drivers/gpu/drm/amd/amdgpu/si_dpm.c         | 2 +-
>  drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c       | 4 ++--
>  drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 3 ++-
>  7 files changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> index 369beb5..baa64e2 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> @@ -465,7 +465,7 @@ static ssize_t amdgpu_debugfs_sensor_read(struct
> file *f, char __user *buf,
>  	if (size & 3 || *pos & 0x3)
>  		return -EINVAL;
> 
> -	if (amdgpu_dpm == 0)
> +	if (!adev->pm.dpm_enabled)
>  		return -EINVAL;
> 
>  	/* convert offset to sensor number */
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 7b0ae44..487d39e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -704,7 +704,7 @@ static int amdgpu_info_ioctl(struct drm_device *dev,
> void *data, struct drm_file
>  		struct pp_gpu_power query = {0};
>  		int query_size = sizeof(query);
> 
> -		if (amdgpu_dpm == 0)
> +		if (!adev->pm.dpm_enabled)
>  			return -ENOENT;
> 
>  		switch (info->sensor_info.type) {
> diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> index 47ef3e6..be6b199 100644
> --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
> @@ -6255,7 +6255,7 @@ static int ci_dpm_late_init(void *handle)
>  	int ret;
>  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> 
> -	if (!amdgpu_dpm)
> +	if (!adev->pm.dpm_enabled)
>  		return 0;
> 
>  	/* init the sysfs and debugfs files late */ diff --git
> a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> index 26ba984..bc1720e 100644
> --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
> @@ -2974,7 +2974,7 @@ static int kv_dpm_late_init(void *handle)
>  	/* powerdown unused blocks for now */
>  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> 
> -	if (!amdgpu_dpm)
> +	if (!adev->pm.dpm_enabled)
>  		return 0;
> 
>  	kv_dpm_powergate_acp(adev, true);
> diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> index 672eaff..6253b27 100644
> --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
> @@ -7580,7 +7580,7 @@ static int si_dpm_late_init(void *handle)
>  	int ret;
>  	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> 
> -	if (!amdgpu_dpm)
> +	if (!adev->pm.dpm_enabled)
>  		return 0;
> 
>  	ret = si_set_temperature_range(adev);
> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
> b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
> index 948bb943..87cbb14 100644
> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
> @@ -688,7 +688,7 @@ static int uvd_v4_2_set_powergating_state(void
> *handle,
> 
>  	if (state == AMD_PG_STATE_GATE) {
>  		uvd_v4_2_stop(adev);
> -		if (adev->pg_flags & AMD_PG_SUPPORT_UVD &&
> amdgpu_dpm == 0) {
> +		if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev-
> >pm.dpm_enabled) {
>  			if (!(RREG32_SMC(ixCURRENT_PG_STATUS) &
> 
> 	CURRENT_PG_STATUS__UVD_PG_STATUS_MASK)) {
>  				WREG32(mmUVD_PGFSM_CONFIG,
> (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK   |
> @@ -699,7 +699,7 @@ static int uvd_v4_2_set_powergating_state(void
> *handle,
>  		}
>  		return 0;
>  	} else {
> -		if (adev->pg_flags & AMD_PG_SUPPORT_UVD &&
> amdgpu_dpm == 0) {
> +		if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev-
> >pm.dpm_enabled) {
>  			if (RREG32_SMC(ixCURRENT_PG_STATUS) &
> 
> 	CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) {
>  				WREG32(mmUVD_PGFSM_CONFIG,
> (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK   |
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> index 30ff8a9..bca67df 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> @@ -211,7 +211,6 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
>  	    !hwmgr->pptable_func->pptable_init ||
>  	    !hwmgr->hwmgr_func->backend_init) {
>  		hwmgr->pm_en = false;
> -		((struct amdgpu_device *)hwmgr->adev)-
> >pm.dpm_enabled = false;
>  		pr_info("dpm not supported \n");
>  		return 0;
>  	}
> @@ -240,6 +239,8 @@ int hwmgr_hw_init(struct pp_hwmgr *hwmgr)
>  	if (ret)
>  		goto err2;
> 
> +	((struct amdgpu_device *)hwmgr->adev)->pm.dpm_enabled = true;
> +
>  	return 0;
>  err2:
>  	if (hwmgr->hwmgr_func->backend_fini)
> --
> 1.9.1
> 
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