From 8446c747370ab31a3ae0177227f0de3e65c8815c Mon Sep 17 00:00:00 2001 From: Siwei He Date: Mon, 9 Feb 2026 16:13:20 -0500 Subject: [PATCH] drm/amdkfd: Fix APU to use GTT, not VRAM for MQD Add a check in mqd_on_vram. If the device prefers GTT, it returns false Fixes: d4a814f400d4 ("drm/amdkfd: Move gfx9.4.3 and gfx 9.5 MQD to HBM") Signed-off-by: Siwei He Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index dcf4bbfa641b..5578c241b7d0 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -111,6 +111,9 @@ static void set_priority(struct v9_mqd *m, struct queue_properties *q) static bool mqd_on_vram(struct amdgpu_device *adev) { + if (adev->apu_prefer_gtt) + return false; + switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { case IP_VERSION(9, 4, 3): case IP_VERSION(9, 5, 0): -- 2.30.2