drm/amdgpu: retire get_gb_add_config for gfx_v12_1_0

The GB_ADDR_CONFIG_READ is initialized to zero.

Signed-off-by: Shiwu Zhang <shiwu.zhang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Shiwu Zhang 2026-06-08 12:37:54 +08:00 • committed by Alex Deucher
commit 81a49829ed