Commit 9fac5799 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu/pm: look up current_level for asics without pm callback 



For asics without a callback, use the current level rather than 0xff.
This can avoid an unnecesary forced level set on older asics when
set by the user.

Reviewed-by: default avatarKevin Wang <kevinyang.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3ce51649

drivers/gpu/drm/amd/pm/amdgpu_pm.c

+3 −1
Original line number Diff line number Diff line
@@ -310,7 +310,7 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, 
	struct amdgpu_device *adev = drm_to_adev(ddev);

	const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;

	enum amd_dpm_forced_level level;

	enum amd_dpm_forced_level current_level = 0xff;

	enum amd_dpm_forced_level current_level;

	int ret = 0;



	if (amdgpu_in_reset(adev))
@@ -350,6 +350,8 @@ static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev, 


	if (pp_funcs->get_performance_level)

		current_level = amdgpu_dpm_get_performance_level(adev);

	else

		current_level = adev->pm.dpm.forced_level;



	if (current_level == level) {

		pm_runtime_mark_last_busy(ddev->dev);