From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Sat, 17 Jan 2026 11:18:06 +0000 (+0800)
Subject: drm/amdgpu/gmc12: Query host-gpu interface
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ae19135340f6556cf3790aedb4b589adc1e3676a;p=thirdparty%2Flinux.git

drm/amdgpu/gmc12: Query host-gpu interface

Query host-gpu interconnect type for gmc v12 devices

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
index ac0536be0f90c..0e47268100ff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -636,6 +636,10 @@ static int gmc_v12_0_early_init(struct amdgpu_ip_block *ip_block)
 {
 	struct amdgpu_device *adev = ip_block->adev;
 
+	if (adev->smuio.funcs &&
+	    adev->smuio.funcs->is_host_gpu_xgmi_supported)
+		adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
+
 	switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 	case IP_VERSION(12, 1, 0):
 		gmc_v12_1_set_gmc_funcs(adev);