diff options
author | Alex Deucher <alexander.deucher@amd.com> | 2021-11-30 17:04:57 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-12-02 12:43:25 -0500 |
commit | baf3f8f374062573c469631af03bf7fb1725896b (patch) | |
tree | 808bcfbada2421d5367490d2b57feccfdf522129 /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | |
parent | bab73f092da654d149bb4771c418bf585c06044a (diff) |
drm/amdgpu: handle SRIOV VCN revision parsing
For SR-IOV, the IP discovery revision number encodes
additional information. Handle that case here.
v2: drop additional IP versions
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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 ea00090b3fb3..552031950518 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -379,8 +379,21 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev) ip->major, ip->minor, ip->revision); - if (le16_to_cpu(ip->hw_id) == VCN_HWID) + if (le16_to_cpu(ip->hw_id) == VCN_HWID) { + if (amdgpu_sriov_vf(adev)) { + /* SR-IOV modifies each VCN’s revision (uint8) + * Bit [5:0]: original revision value + * Bit [7:6]: en/decode capability: + * 0b00 : VCN function normally + * 0b10 : encode is disabled + * 0b01 : decode is disabled + */ + adev->vcn.sriov_config[adev->vcn.num_vcn_inst] = + (ip->revision & 0xc0) >> 6; + ip->revision &= ~0xc0; + } adev->vcn.num_vcn_inst++; + } 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 || @@ -917,10 +930,8 @@ static int amdgpu_discovery_set_mm_ip_blocks(struct amdgpu_device *adev) break; case IP_VERSION(3, 0, 0): case IP_VERSION(3, 0, 16): - case IP_VERSION(3, 0, 64): case IP_VERSION(3, 1, 1): case IP_VERSION(3, 0, 2): - case IP_VERSION(3, 0, 192): amdgpu_device_ip_block_add(adev, &vcn_v3_0_ip_block); if (!amdgpu_sriov_vf(adev)) amdgpu_device_ip_block_add(adev, &jpeg_v3_0_ip_block); |