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Commit 90ca78de authored by Felix Kuehling's avatar Felix Kuehling Committed by Alex Deucher
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drm/amdgpu: Sync with VM root BO when switching VM to CPU update mode



This fixes an intermittent bug where a root PD clear operation still in
progress could overwrite a PDE update done by the CPU, resulting in a
VM fault.

Fixes: 108b4d92 ("drm/amd/amdgpu: Update VM function pointer")
Reported-by: default avatarJay Cornwall <Jay.Cornwall@amd.com>
Tested-by: default avatarJay Cornwall <Jay.Cornwall@amd.com>
Signed-off-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent cdaae837
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