drm/amdgpu: fix fundamental suspend/resume issue

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Reinitializing the VM manager during suspend/resume is a very very bad
idea since all the VMs are still active and kicking.

This can lead to random VM faults after resume when new processes
become the same client ID assigned.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

...

This commit is contained in:

Christian König 2017-05-10 20:06:58 +02:00 • committed by Alex Deucher

parent e98c58e55f

commit 32601d48d7

6 changed files with 30 additions and 54 deletions

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22

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

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1

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

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15

drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c

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15

drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c

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drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c

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drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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