Commit 50fe04d4 authored by Guchun Chen's avatar Guchun Chen Committed by Alex Deucher
Browse files

drm/amdgpu: introduce runtime pm mode 



It can benefit code consistency in future.

Suggested-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Signed-off-by: default avatarGuchun Chen <guchun.chen@amd.com>
Reviewed-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2d04559e

drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c

+5 −1
Original line number Diff line number Diff line
@@ -161,10 +161,12 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags) 
	if (amdgpu_device_supports_px(dev) &&

	    (amdgpu_runtime_pm != 0)) { /* enable runpm by default for atpx */

		adev->runpm = true;

		adev->pm.rpm_mode = AMDGPU_RUNPM_PX;

		dev_info(adev->dev, "Using ATPX for runtime pm\n");

	} else if (amdgpu_device_supports_boco(dev) &&

		   (amdgpu_runtime_pm != 0)) { /* enable runpm by default for boco */

		adev->runpm = true;

		adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;

		dev_info(adev->dev, "Using BOCO for runtime pm\n");

	} else if (amdgpu_device_supports_baco(dev) &&

		   (amdgpu_runtime_pm != 0)) {
@@ -188,9 +190,11 @@ int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags) 


		amdgpu_runtime_pm_quirk(adev);



		if (adev->runpm)

		if (adev->runpm) {

			adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;

			dev_info(adev->dev, "Using BACO for runtime pm\n");

		}

	}



	/* Call ACPI methods: require modeset init

	 * but failure is not fatal

drivers/gpu/drm/amd/pm/inc/amdgpu_dpm.h

+9 −0
Original line number Diff line number Diff line
@@ -45,6 +45,13 @@ enum amdgpu_int_thermal_type { 
	THERMAL_TYPE_KV,

};



enum amdgpu_runpm_mode {

	AMDGPU_RUNPM_NONE,

	AMDGPU_RUNPM_PX,

	AMDGPU_RUNPM_BOCO,

	AMDGPU_RUNPM_BACO,

};



struct amdgpu_ps {

	u32 caps; /* vbios flags */

	u32 class; /* vbios flags */
@@ -355,6 +362,8 @@ struct amdgpu_pm { 
	struct amdgpu_ctx       *stable_pstate_ctx;



	struct config_table_setting config_table;

	/* runtime mode */

	enum amdgpu_runpm_mode rpm_mode;

};



int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors sensor,