[PATCH 1/2] drm/amdgpu: Workaround harvesting info for some navy flounder boards

Alex Deucher alexander.deucher at amd.com
Thu Oct 21 14:17:55 UTC 2021


Some navy flounder boards do not properly mark harvested
VCN instances.  Fix that here.

v2: use IP versions

Fixes: 1b592d00b4ac83 ("drm/amdgpu/vcn: remove manual instance setting")
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1743
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index dfb92f229748..814e9620fac5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -507,6 +507,10 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev)
 			break;
 		}
 	}
+	/* 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->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;
 		adev->harvest_ip_mask |= AMD_HARVEST_IP_JPEG_MASK;
-- 
2.31.1



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