drm/amdgpu/gfx: set cg flags to enter/exit safe mode

sriov needs to enter/exit safe mode in update umd p state
add the cg flag to let it enter or exit while needed

Signed-off-by: Jane Jian <[email protected]>
Reviewed-by: Lijo Lazar <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Jane Jian

drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c

@@ -1287,6 +1287,11 @@ static int gfx_v11_0_sw_init(void *handle)
 		break;
 	}
 
+	/* Enable CG flag in one VF mode for enabling RLC safe mode enter/exit */
+	if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(11, 0, 3) &&
+		amdgpu_sriov_is_pp_one_vf(adev))
+		adev->cg_flags = AMD_CG_SUPPORT_GFX_CGCG;
+
 	/* EOP Event */
 	r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GRBM_CP,
 			      GFX_11_0_0__SRCID__CP_EOP_INTERRUPT,