Our assumptions about how much KFD memory is currently available for allocation may be violated by various complexities so we define the reported value as advisory, however we should never report negative availability. Signed-off-by: Daniel Phillips <daniel.phillips@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 6f236ded5f12..293f9b2292fa 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1583,6 +1583,9 @@ size_t amdgpu_amdkfd_get_available_memory(struct amdgpu_device *adev) - reserved_for_pt; spin_unlock(&kfd_mem_limit.mem_limit_lock); + if ((int64_t)available < 0) + available = 0; + return ALIGN_DOWN(available, VRAM_AVAILABLITY_ALIGN); } -- 2.39.0
