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authorAlex Deucher <alexander.deucher@amd.com>2021-11-30 17:04:57 -0500
committerAlex Deucher <alexander.deucher@amd.com>2021-12-02 12:43:25 -0500
commitbaf3f8f374062573c469631af03bf7fb1725896b (patch)
tree808bcfbada2421d5367490d2b57feccfdf522129 /drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
parentbab73f092da654d149bb4771c418bf585c06044a (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.c17
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);