drm/amdgpu/mmhub_v4_2_0: expand gart aperture to gart_end on A+A

On A+A, sysvm aperture is used to access vram and gart. Gart is placed
right after vram. Adjust gart aperture range in mmhub for A+A.

Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Feifei Xu 2026-01-31 13:07:39 +08:00 • committed by Alex Deucher
commit 38c900e0b4