Commit 7f6db894 authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdgpu: dGPU mode placement support memory partition 



dGPU mode uses VRAM manager to validate bo, amdgpu bo placement use the
mem_id  to get the allocation range first, last page frame number
from xcp manager, pass to drm buddy allocator as the allowed range.

Signed-off-by: default avatarPhilip Yang <Philip.Yang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 2046ed6c

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

+8 −3
Original line number Diff line number Diff line
@@ -132,13 +132,18 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) 
	if (domain & AMDGPU_GEM_DOMAIN_VRAM) {

		unsigned int visible_pfn = adev->gmc.visible_vram_size >> PAGE_SHIFT;



		if (adev->gmc.mem_partitions && abo->mem_id >= 0) {

			places[c].fpfn = adev->gmc.mem_partitions[abo->mem_id].range.fpfn;

			places[c].lpfn = adev->gmc.mem_partitions[abo->mem_id].range.lpfn;

		} else {

			places[c].fpfn = 0;

			places[c].lpfn = 0;

		}

		places[c].mem_type = TTM_PL_VRAM;

		places[c].flags = 0;



		if (flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED)

			places[c].lpfn = visible_pfn;

			places[c].lpfn = min_not_zero(places[c].lpfn, visible_pfn);

		else if (adev->gmc.real_vram_size != adev->gmc.visible_vram_size)

			places[c].flags |= TTM_PL_FLAG_TOPDOWN;