[PATCH] drm/amd/display: Override DCN410 IP version

[Aurabindo Pillai]

Override DCN IP version to 4.0.1 from 4.1.0 temporarily until change is
made in DC codebase to use 4.1.0

Signed-off-by: Aurabindo Pillai <aurabindo.pillai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 2aad1ba0ab9d..87a2f15c8a64 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1965,6 +1965,11 @@ static int amdgpu_discovery_set_display_ip_blocks(struct amdgpu_device *adev)
 		case IP_VERSION(3, 2, 1):
 		case IP_VERSION(3, 5, 0):
 		case IP_VERSION(3, 5, 1):
+		case IP_VERSION(4, 1, 0):
+			/* TODO: Fix IP version. DC code expects version 4.0.1 */
+			if (adev->ip_versions[DCE_HWIP][0] == IP_VERSION(4, 1, 0))
+                               adev->ip_versions[DCE_HWIP][0] = IP_VERSION(4, 0, 1);
+
 			if (amdgpu_sriov_vf(adev))
 				amdgpu_discovery_set_sriov_display(adev);
 			else
-- 
2.44.0