[PATCH 2/2] drm/amdgpu: Skip IH reroute in Vega20 SR-IOV VF

[Trigger Huang]

IH reroute commands are not supported on Vega20 VF

Signed-off-by: Trigger Huang <Trigger.Huang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
index b91df7b..4bdd70a 100644
--- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c
@@ -232,6 +232,10 @@ static void psp_v11_0_reroute_ih(struct psp_context *psp)
 	struct amdgpu_device *adev = psp->adev;
 	uint32_t tmp;
 
+	/* reroute_ih is not supported on SR_IOV VF */
+	if (amdgpu_sriov_vf(adev))
+		return;
+
 	/* Change IH ring for VMC */
 	tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
 	tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
-- 
2.7.4