From c5f8454cd195267c6934f731d9d3be65395e53b9 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sat, 17 Jan 2026 19:25:56 +0800 Subject: [PATCH] drm/amdgpu/gmc12: Bypass FB resize on A + A platform Resizing fb bar is not needed/supported on A + A platform. Signed-off-by: Hawking Zhang Reviewed-by: Le Ma Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index 654c1c7adfae4..2bbd63ffe7105 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -725,7 +725,8 @@ static int gmc_v12_0_mc_init(struct amdgpu_device *adev) adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; adev->gmc.real_vram_size = adev->gmc.mc_vram_size; - if (!(adev->flags & AMD_IS_APU)) { + if (!(adev->flags & AMD_IS_APU) && + !adev->gmc.xgmi.connected_to_cpu) { r = amdgpu_device_resize_fb_bar(adev); if (r) return r; -- 2.53.0