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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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2017-05-24drm/amdgpu:kiq reg access need timeout(v2)Monk Liu
this is to prevent fence forever waiting if FLR occured during register accessing. v2: use define instead of hardcode for the timeout msec Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-24drm/amdgpu: Move kiq ring lock out of virt structureShaoyun Liu
The usage of kiq should not depend on the virtualization. Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com> Reviewed-by:Andres Rodriquez <andresx7@gmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-05-24drm/amdgpu/virt: bypass cg and pg setting for SRIOVXiangliang Yu
GPU hypervisor cover all settings of CG and PG, so guest doesn't need to do anything. Bypass it. Signed-off-by: Frank Min <Frank.Min@amd.com> Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-04-28drm/amdgpu/virt: add two functions for MM tableXiangliang Yu
Add two functions to allocate & free MM table memory. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-04-06drm/amdgpu:no need to involv HDP in KIQMonk Liu
1,KIQ won't touch VRAM so no need to involv HDP flush/invalidate at all. 2,According to CP hw designer KIQ better not use any PM4 package lead to wait behave. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amdgpu: separate page table allocation from mappingChristian König
This makes it easier to implement a replace operation. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amdgpu:add lock_reset for SRIOVMonk Liu
this lock is used for sriov_gpu_reset, only get this mutex can run into sriov_gpu_reset. we have couple source triggers gpu_reset for SRIOV: 1) submit timedout and trigger reset voluntarily 2) invalid instruction detected by ENGINE and trigger reset voluntarily 2) hypervisor found world switch hang and trigger flr and notify guest to do reset. all need take care and we need a mutex to protect the consistency of reset routine. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-03-29drm/amdgpu:change kiq lock nameMonk Liu
Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-02-08drm/amdgpu/virt: fix double kfree on bo_vaColin Ian King
bo_va is being kfree'd twice, once in the call to amdgpu_vm_bo_rmv and then a short while later. Fix this double free by removing the 2nd kfree. Detected by CoverityScan, CID#1399524 ("Double Free") Reviewed-by: Monk Liu <monk.liu@amd.com> Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amdgpu/virt: enable virtual displayXiangliang Yu
Virtual display is default setting for virtualization, enable it. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Reviewed-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amdgpu/virt: add high level interfaces for virtXiangliang Yu
Add high level interfaces that is not relate to specific asic. So asic files just need to implement the interfaces to support virtualization. Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Reviewed-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amdgpu/virt: use kiq to access registers (v2)Xiangliang Yu
For virtualization, it is must for driver to use KIQ to access registers when it is out of GPU full access mode. v2: agd: rebase Signed-off-by: Xiangliang Yu <Xiangliang.Yu@amd.com> Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Monk Liu <Monk.Liu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-01-27drm/amdgpu:add new file for SRIOVMonk Liu
for SRIOV usage, CSA is only used per device and each VM will map on it. Signed-off-by: Monk Liu <Monk.Liu@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>