[AMD Official Use Only] Hi youling, Would you please send out the full dmesg ? BRs, Yifan -----Original Message----- From: youling 257 <youling257@xxxxxxxxx> Sent: Monday, October 11, 2021 2:18 PM To: Zhang, Yifan <Yifan1.Zhang@xxxxxxx> Cc: Kuehling, Felix <Felix.Kuehling@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx Subject: Re: [PATCH 2/2] drm/amdgpu: init iommu after amdkfd device init drm/amdgpu: init iommu after amdkfd device init but CONFIG_AMD_IOMMU=y CONFIG_AMD_IOMMU_V2=y [ 0.203386] AMD-Vi: AMD IOMMUv2 driver by Joerg Roedel <jroedel@xxxxxxx> [ 0.203387] AMD-Vi: AMD IOMMUv2 functionality not available on this system [ 7.622052] kfd kfd: amdgpu: Allocated 3969056 bytes on gart [ 7.622128] kfd kfd: amdgpu: error getting iommu info. is the iommu enabled? [ 7.622129] kfd kfd: amdgpu: Error initializing iommuv2 [ 7.622430] kfd kfd: amdgpu: device 1002:15d8 NOT added due to errors 2021-10-11 14:13 GMT+08:00, youling257 <youling257@xxxxxxxxx>: > my kernel config CONFIG_AMD_IOMMU=y CONFIG_AMD_IOMMU_V2=y. > linux kernel 5.15rc2 "drm/amdgpu: move iommu_resume before ip init/resume" > cause my amd 3400g suspend to disk resume failed, have to press power > button to force shutdown. > linux kernel 5.15rc5 "drm/amdgpu: init iommu after amdkfd device init" > cause my amd 3400g blackscreen when boot enter my userspace. > i need revert "drm/amdgpu: init iommu after amdkfd device init" and > "drm/amdgpu: move iommu_resume before ip init/resume" for my > userspace, running androidx86 with mesa21.3 on amdgpu. >
