drm/amdgpu: Use another offset for GC 9.4.3 remap

From Lijo Lazar
941887dc5ed4ef85ad06f3e76bcd444d9d5bc839 in linux-6.6.y/6.6.13
ed6e4f0a27ebafffbd12bf3878ab004787685d8a in mainline linux

diff --git a/sys/dev/pci/drm/amd/amdgpu/soc15.c b/sys/dev/pci/drm/amd/amdgpu/soc15.c
index 48eee60..f1b8c92 100644 (file)
--- a/sys/dev/pci/drm/amd/amdgpu/soc15.c
+++ b/sys/dev/pci/drm/amd/amdgpu/soc15.c
@@ -1160,6 +1160,11 @@ static int soc15_common_early_init(void *handle)
                        AMD_PG_SUPPORT_VCN_DPG |
                        AMD_PG_SUPPORT_JPEG;
                adev->external_rev_id = adev->rev_id + 0x46;
+               /* GC 9.4.3 uses MMIO register region hole at a different offset */
+               if (!amdgpu_sriov_vf(adev)) {
+                       adev->rmmio_remap.reg_offset = 0x1A000;
+                       adev->rmmio_remap.bus_addr = adev->rmmio_base + 0x1A000;
+               }
                break;
        default:
                /* FIXME: not supported yet */