[Why]
Accessing GRBM_GFX_CNTL in full access time has risk when VF is doing MMIO
attacking.
Therefore, VF writing GRBM_GFX_CNTL are blocked by L1 Policy.
For RLCG interface, RLCG use SCRATCH_REG2 which is copied from GRBM_GFX_CNTL.
[How]
Remove writing GRBM_GFX_CNTL in amdgpu_virt_rlcg_reg_rw.
v
/amdgpu: Remove writing GRBM_GFX_CNTL in RLCG interface
under SRIOV
[Why]
Accessing GRBM_GFX_CNTL in full access time has risk when VF is doing MMIO
attacking.
Therefore, VF writing GRBM_GFX_CNTL are blocked by L1 Policy.
For RLCG interface, RLCG use SCRATCH_REG2 which is copied from GRBM_GFX_CNTL