From: Leslie Shi Date: Wed, 8 Dec 2021 07:47:41 +0000 (+0800) Subject: drm/amdgpu: fix incorrect VCN revision in SRIOV X-Git-Tag: v6.6-pxa1908~4854^2~8^2~52 X-Git-Url: https://git.dujemihanovic.xyz/?a=commitdiff_plain;h=c40bdfb2ffa4;p=linux.git drm/amdgpu: fix incorrect VCN revision in SRIOV Guest OS will setup VCN instance 1 which is disabled as an enabled instance and execute initialization work on it, but this causes VCN ib ring test failure on the disabled VCN instance during modprobe: amdgpu 0000:00:08.0: amdgpu: ring vcn_enc_1.0 uses VM inv eng 5 on hub 1 amdgpu 0000:00:08.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on vcn_dec_0 (-110). amdgpu 0000:00:08.0: [drm:amdgpu_ib_ring_tests [amdgpu]] *ERROR* IB test failed on vcn_enc_0.0 (-110). [drm:amdgpu_device_delayed_init_work_handler [amdgpu]] *ERROR* ib ring test failed (-110). v2: drop amdgpu_discovery_get_vcn_version and rename sriov_config to vcn_config v3: modify VCN's revision in SR-IOV and bare-metal Fixes: baf3f8f3740625 ("drm/amdgpu: handle SRIOV VCN revision parsing") Signed-off-by: Leslie Shi Reviewed-by: Lijo Lazar Reviewed-by: Guchun Chen Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c index 552031950518..f31bc0187394 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c @@ -380,18 +380,15 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev) ip->revision); 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; - } + /* 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.vcn_config[adev->vcn.num_vcn_inst] = + ip->revision & 0xc0; + ip->revision &= ~0xc0; adev->vcn.num_vcn_inst++; } if (le16_to_cpu(ip->hw_id) == SDMA0_HWID || @@ -485,14 +482,6 @@ int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int n return -EINVAL; } - -int amdgpu_discovery_get_vcn_version(struct amdgpu_device *adev, int vcn_instance, - int *major, int *minor, int *revision) -{ - return amdgpu_discovery_get_ip_version(adev, VCN_HWID, - vcn_instance, major, minor, revision); -} - void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev) { struct binary_header *bhdr; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h index 0ea029e3b850..14537cec19db 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h @@ -33,8 +33,6 @@ void amdgpu_discovery_harvest_ip(struct amdgpu_device *adev); int amdgpu_discovery_get_ip_version(struct amdgpu_device *adev, int hw_id, int number_instance, int *major, int *minor, int *revision); -int amdgpu_discovery_get_vcn_version(struct amdgpu_device *adev, int vcn_instance, - int *major, int *minor, int *revision); int amdgpu_discovery_get_gfx_info(struct amdgpu_device *adev); int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 2658414c503d..38036cbf6203 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -284,20 +284,13 @@ int amdgpu_vcn_sw_fini(struct amdgpu_device *adev) bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev, enum vcn_ring_type type, uint32_t vcn_instance) { bool ret = false; + int vcn_config = adev->vcn.vcn_config[vcn_instance]; - int major; - int minor; - int revision; - - /* if cannot find IP data, then this VCN does not exist */ - if (amdgpu_discovery_get_vcn_version(adev, vcn_instance, &major, &minor, &revision) != 0) - return true; - - if ((type == VCN_ENCODE_RING) && (revision & VCN_BLOCK_ENCODE_DISABLE_MASK)) { + if ((type == VCN_ENCODE_RING) && (vcn_config & VCN_BLOCK_ENCODE_DISABLE_MASK)) { ret = true; - } else if ((type == VCN_DECODE_RING) && (revision & VCN_BLOCK_DECODE_DISABLE_MASK)) { + } else if ((type == VCN_DECODE_RING) && (vcn_config & VCN_BLOCK_DECODE_DISABLE_MASK)) { ret = true; - } else if ((type == VCN_UNIFIED_RING) && (revision & VCN_BLOCK_QUEUE_DISABLE_MASK)) { + } else if ((type == VCN_UNIFIED_RING) && (vcn_config & VCN_BLOCK_QUEUE_DISABLE_MASK)) { ret = true; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h index 938a5ead3f20..5d3728b027d3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h @@ -235,7 +235,7 @@ struct amdgpu_vcn { uint8_t num_vcn_inst; struct amdgpu_vcn_inst inst[AMDGPU_MAX_VCN_INSTANCES]; - uint8_t sriov_config[AMDGPU_MAX_VCN_INSTANCES]; + uint8_t vcn_config[AMDGPU_MAX_VCN_INSTANCES]; struct amdgpu_vcn_reg internal; struct mutex vcn_pg_lock; struct mutex vcn1_jpeg1_workaround;