From: Hawking Zhang <Hawking.Zhang@amd.com>
Date: Tue, 20 Jan 2026 16:12:36 +0000 (+0800)
Subject: drm/amdgpu/gmc12: Fix VRAM base offset calculation
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=63d3dc9dc46c189df6ed1e2a9e8c1ff8b1920f26;p=thirdparty%2Flinux.git

drm/amdgpu/gmc12: Fix VRAM base offset calculation

Include segment size when calculating vram base offset

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <le.ma@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 0e47268100ff9..75bff46ca5946 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c
@@ -709,6 +709,9 @@ static void gmc_v12_0_vram_gtt_location(struct amdgpu_device *adev,
 		adev->vm_manager.vram_base_offset = 0;
 	else
 		adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev);
+
+	adev->vm_manager.vram_base_offset +=
+		adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
 }
 
 /**