diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 16cdfb30b013..47f0344205ed 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -1130,13 +1130,24 @@ static int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev) adev->vcn.vcn_config[adev->vcn.num_vcn_inst] = ip->revision & 0xc0; ip->revision &= ~0xc0; - adev->vcn.num_vcn_inst++; + if (adev->vcn.num_vcn_inst < AMDGPU_MAX_VCN_INSTANCES) + adev->vcn.num_vcn_inst++; + else + dev_err(adev->dev, "Too many VCN instances: %d vs %d\n", + adev->vcn.num_vcn_inst + 1, + AMDGPU_MAX_VCN_INSTANCES); } if (le16_to_cpu(ip->hw_id) == SDMA0_HWID || le16_to_cpu(ip->hw_id) == SDMA1_HWID || le16_to_cpu(ip->hw_id) == SDMA2_HWID || - le16_to_cpu(ip->hw_id) == SDMA3_HWID) - adev->sdma.num_instances++; + le16_to_cpu(ip->hw_id) == SDMA3_HWID) { + if (adev->sdma.num_instances < AMDGPU_MAX_SDMA_INSTANCES) + adev->sdma.num_instances++; + else + dev_err(adev->dev, "Too many SDMA instances: %d vs %d\n", + adev->sdma.num_instances + 1, + AMDGPU_MAX_SDMA_INSTANCES); + } if (le16_to_cpu(ip->hw_id) == UMC_HWID) adev->gmc.num_umc++; |