Commit 6cfba94a authored by Philip Yang's avatar Philip Yang Committed by Alex Deucher
Browse files

drm/amdgpu: dGPU mode set VRAM range lpfn as exclusive 



TTM place lpfn is exclusive used as end (start + size) in drm and buddy
allocator, adev->gmc memory partition range lpfn is inclusive (start +
size - 1), should plus 1 to set TTM place lpfn.

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 ea7bf2f2

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

+5 −1
Original line number Diff line number Diff line
@@ -134,7 +134,11 @@ void amdgpu_bo_placement_from_domain(struct amdgpu_bo *abo, u32 domain) 


		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;

			/*

			 * memory partition range lpfn is inclusive start + size - 1

			 * TTM place lpfn is exclusive start + size

			 */

			places[c].lpfn = adev->gmc.mem_partitions[abo->mem_id].range.lpfn + 1;

		} else {

			places[c].fpfn = 0;

			places[c].lpfn = 0;