[PATCH] drm/amdgpu: Enable second VCN for certain Navi2x.

[Peng Ju Zhou]

Certain navi2x cards have 2 VCNs, enable it.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 580a5b387122..57e001d73ec9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -550,7 +550,8 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
 	}
 	/* some IP discovery tables on Navy Flounder don't have this set correctly */
 	if ((adev->ip_versions[UVD_HWIP][1] == IP_VERSION(3, 0, 1)) &&
-	    (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 2)))
+	    (adev->ip_versions[GC_HWIP][0] == IP_VERSION(10, 3, 2)) &&
+	    (adev->pdev->revision != 0xFF))
 		adev->vcn.harvest_config |= AMDGPU_VCN_HARVEST_VCN1;
 	if (vcn_harvest_count == adev->vcn.num_vcn_inst) {
 		adev->harvest_ip_mask |= AMD_HARVEST_IP_VCN_MASK;
-- 
2.33.1