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 <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_1.c
index b6932073ff7212cd2f3415d305736bd58d1f8613..876cd9be19149a18615a03a492f102de4478122b 100644 (file)
--- 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 +