Re: [PATCH 4/5] drm/amd/amdgpu: add check that shadow page directory is GPU-accessible

2016-12-15 Thread zhoucm1
On 2016年12月16日 01:10, Nicolai Hähnle wrote: From: Nicolai Hähnle Skip amdgpu_gem_va_update_vm when shadow the page directory is swapped out. Clean up the check for non-shadow BOs as well using the new helper function. This fixes a crash with the stack trace: amdgpu_gem_va_update_vm -> amdgp

[PATCH 4/5] drm/amd/amdgpu: add check that shadow page directory is GPU-accessible

2016-12-15 Thread Nicolai Hähnle
From: Nicolai Hähnle Skip amdgpu_gem_va_update_vm when shadow the page directory is swapped out. Clean up the check for non-shadow BOs as well using the new helper function. This fixes a crash with the stack trace: amdgpu_gem_va_update_vm -> amdgpu_vm_update_page_directory -> amdgpu_ttm_bind