[AMD Official Use Only] Great. Thanks for testing. -----Original Message----- From: youling 257 <youling257@xxxxxxxxx> Sent: Monday, October 11, 2021 6:20 PM To: Zhang, Yifan <Yifan1.Zhang@xxxxxxx> Cc: Kuehling, Felix <Felix.Kuehling@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx; Zhu, James <James.Zhu@xxxxxxx> Subject: Re: [PATCH 2/2] drm/amdgpu: init iommu after amdkfd device init test this patch can fix my boot and suspend problem. 2021-10-11 18:03 GMT+08:00, Zhang, Yifan <Yifan1.Zhang@xxxxxxx>: > [Public] > > Hi youling, > > Would you pls try this patch ? > > 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. >> >
