When CPU access is needed we should tell that to amdgpu_bo_create_reserved() or otherwise the access is denied later on.
Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 12d2adcdf14e..f10b6175e20c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -369,7 +369,7 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev, size = ALIGN(size, PAGE_SIZE); r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE, domain, bo_ptr, - NULL, NULL); + NULL, cpu_addr); if (r) return r; @@ -377,12 +377,15 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev, * Remove the original mem node and create a new one at the request * position. */ + if (cpu_addr) + amdgpu_bo_kunmap(*bo_ptr); + + ttm_bo_mem_put(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.mem); + for (i = 0; i < (*bo_ptr)->placement.num_placement; ++i) { (*bo_ptr)->placements[i].fpfn = offset >> PAGE_SHIFT; (*bo_ptr)->placements[i].lpfn = (offset + size) >> PAGE_SHIFT; } - - ttm_bo_mem_put(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.mem); r = ttm_bo_mem_space(&(*bo_ptr)->tbo, &(*bo_ptr)->placement, &(*bo_ptr)->tbo.mem, &ctx); if (r) -- 2.14.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
