From d0b6c5f226a0477c047c48d6914bf7dc6096acf7 Mon Sep 17 00:00:00 2001 From: Likun Gao Date: Thu, 5 Jun 2025 10:36:07 +0800 Subject: [PATCH] drm/amdgpu: disable graphics doorbell range for gfx v12_1 Disable doorbell range for graphics engine on gfx v12_1. Signed-off-by: Likun Gao Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c index b6932073ff72..876cd9be1914 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c @@ -1998,6 +1998,10 @@ static void gfx_v12_1_xcc_kiq_setting(struct amdgpu_ring *ring, static void gfx_v12_1_xcc_cp_set_doorbell_range(struct amdgpu_device *adev, int xcc_id) { + /* disable gfx engine doorbell range */ + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_RB_DOORBELL_RANGE_LOWER, 0); + WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_RB_DOORBELL_RANGE_UPPER, 0); + /* set compute engine doorbell range */ WREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_MEC_DOORBELL_RANGE_LOWER, ((adev->doorbell_index.kiq + -- 2.47.3