drm/amdgpu: Hardcode reg access using L1 security

Under Vega10 SR-IOV VF, L1 register access mode should be enabled by
default as the non-security VF will no longer be supported.
Signed-off-by: Trigger Huang <Trigger.Huang@amd.com>
Reviewed-by: Emily Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c

@@ -451,19 +451,16 @@ void xgpu_ai_mailbox_put_irq(struct amdgpu_device *adev)
 
 static void xgpu_ai_init_reg_access_mode(struct amdgpu_device *adev)
 {
-	uint32_t rlc_fw_ver = RREG32_SOC15(GC, 0, mmRLC_GPM_GENERAL_6);
-	uint32_t sos_fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
-
 	adev->virt.reg_access_mode = AMDGPU_VIRT_REG_ACCESS_LEGACY;
 
-	if (rlc_fw_ver >= 0x5d)
-		adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_RLC;
+	/* Enable L1 security reg access mode by defaul,  as non-security VF
+	 * will no longer be supported.
+	 */
+	adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_RLC;
 
-	if (sos_fw_ver >= 0x80455)
-		adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH;
+	adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_ACCESS_PSP_PRG_IH;
 
-	if (sos_fw_ver >= 0x8045b)
-		adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_SKIP_SEETING;
+	adev->virt.reg_access_mode |= AMDGPU_VIRT_REG_SKIP_SEETING;
 }
 
 const struct amdgpu_virt_ops xgpu_ai_virt_ops = {