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[AMD Official Use Only]
Reviewed-by: Kevin Wang <kevinyang.wang@xxxxxxx>
Best Regards,
Keivn
From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Alex Deucher <alexander.deucher@xxxxxxx>
Sent: Tuesday, October 26, 2021 10:46 PM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx> Subject: [PATCH] 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. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/pm/amdgpu_pm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 01cca08a774f..49fe4155c374 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -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); -- 2.31.1 |
