[AMD Official Use Only] Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Regards, Hawking -----Original Message----- From: Zhou1, Tao <Tao.Zhou1@xxxxxxx> Sent: Thursday, February 10, 2022 16:23 To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhang, Hawking <Hawking.Zhang@xxxxxxx>; Yang, Stanley <Stanley.Yang@xxxxxxx>; Chai, Thomas <YiPeng.Chai@xxxxxxx>; Clements, John <John.Clements@xxxxxxx> Cc: Zhou1, Tao <Tao.Zhou1@xxxxxxx> Subject: [PATCH] drm/amdgpu: loose check for umc poison mode No need to check poison setting for each channel, check for umc0 channel0 is enough. Signed-off-by: Tao Zhou <tao.zhou1@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/umc_v6_7.c | 18 +++++------------- 1 file changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c index 47452b61b615..e613511e07e1 100644 --- a/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c +++ b/drivers/gpu/drm/amd/amdgpu/umc_v6_7.c @@ -451,21 +451,13 @@ static uint32_t umc_v6_7_query_ras_poison_mode_per_channel( static bool umc_v6_7_query_ras_poison_mode(struct amdgpu_device *adev) { - uint32_t umc_inst = 0; - uint32_t ch_inst = 0; uint32_t umc_reg_offset = 0; - LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) { - umc_reg_offset = get_umc_v6_7_reg_offset(adev, - umc_inst, - ch_inst); - /* Enabling fatal error in one channel will be considered - as fatal error mode */ - if (umc_v6_7_query_ras_poison_mode_per_channel(adev, umc_reg_offset)) - return false; - } - - return true; + /* Enabling fatal error in umc instance0 channel0 will be + * considered as fatal error mode + */ + umc_reg_offset = get_umc_v6_7_reg_offset(adev, 0, 0); + return !umc_v6_7_query_ras_poison_mode_per_channel(adev, +umc_reg_offset); } const struct amdgpu_ras_block_hw_ops umc_v6_7_ras_hw_ops = { -- 2.17.1