Series s reviewed-by: Evan Quan <evan.quan@xxxxxxx> -----Original Message----- From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Tiecheng Zhou Sent: Monday, April 27, 2020 11:30 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx Cc: Zhou, Tiecheng <Tiecheng.Zhou@xxxxxxx> Subject: [PATCH 2/2] drm/amd/powerplay: avoid using pm_en before it is initialized revised hwmgr->pm_en is initialized at hwmgr_hw_init. during amdgpu_device_init, there is amdgpu_asic_reset that calls to soc15_asic_reset (for V320 usecase, Vega10 asic), in which: 1) soc15_asic_reset_method calls to pp_get_asic_baco_capability (pm_en) 2) soc15_asic_baco_reset calls to pp_set_asic_baco_state (pm_en) pm_en is used in the above two cases while it has not yet been initialized So avoid using pm_en in the above two functions for V320 passthrough. Signed-off-by: Tiecheng Zhou <Tiecheng.Zhou@xxxxxxx> --- drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 71b843f542d8..fc31499c2e5c 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -1438,7 +1438,8 @@ static int pp_get_asic_baco_capability(void *handle, bool *cap) if (!hwmgr) return -EINVAL; - if (!hwmgr->pm_en || !hwmgr->hwmgr_func->get_asic_baco_capability) + if (!(hwmgr->not_vf && amdgpu_dpm) || + !hwmgr->hwmgr_func->get_asic_baco_capability) return 0; mutex_lock(&hwmgr->smu_lock); @@ -1472,7 +1473,8 @@ static int pp_set_asic_baco_state(void *handle, int state) if (!hwmgr) return -EINVAL; - if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_asic_baco_state) + if (!(hwmgr->not_vf && amdgpu_dpm) || + !hwmgr->hwmgr_func->set_asic_baco_state) return 0; mutex_lock(&hwmgr->smu_lock); -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.freedesktop.org%2Fmailman%2Flistinfo%2Famd-gfx&data=02%7C01%7Cevan.quan%40amd.com%7C083ee458638840b718b708d7ea5b3934%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637235550456598209&sdata=hn2iTGG4U5RgB9QEwYbjZkSwbcpo3wjMsiMu%2BJc%2BbuA%3D&reserved=0 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
