From c5207876232649ca5e5ddd6f966d2da75ffded8f Mon Sep 17 00:00:00 2001 From: Tiecheng Zhou Date: Thu, 2 Apr 2020 16:49:36 +0800 Subject: [PATCH] drm/amd/powerplay: avoid using pm_en before it is initialized hwmgr->pm_en is initialized at hwmgr_hw_init. during amdgpu_device_init, there is amdgpu_asic_reset that calls to pp_get_asic_baco_capability, while hwmgr->pm_en has not yet been initialized. so avoid using pm_en in pp_get_asic_baco_capability. Reviewed-by: Emily Deng Signed-off-by: Tiecheng Zhou Signed-off-by: Yintian Tao Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index c195575..2a12614 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1452,7 +1452,8 @@ static int pp_get_asic_baco_state(void *handle, int *state) if (!hwmgr) return -EINVAL; - if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_state) + if (!(hwmgr->not_vf && amdgpu_dpm) || + !hwmgr->hwmgr_func->get_asic_baco_state) return 0; mutex_lock(&hwmgr->smu_lock); -- 2.7.4