On 12/9/2021 10:55 AM, Leslie Shi wrote:
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
Fixes: 36b7d5646476 ("drm/amdgpu: handle SRIOV VCN revision parsing")
Signed-off-by: Leslie Shi <Yuliang.Shi@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c | 13 +++----------
drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.h | 2 --
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 15 ++++-----------
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h | 2 +-
4 files changed, 8 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 552031950518..53ff1bbe8bd6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -380,6 +380,9 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
ip->revision);
if (le16_to_cpu(ip->hw_id) == VCN_HWID) {
+ adev->vcn.vcn_config[adev->vcn.num_vcn_inst] =
+ ip->revision & 0xc0;
+
if (amdgpu_sriov_vf(adev)) {
/* SR-IOV modifies each VCN’s revision (uint8)
I guess, it's fair to remove the above two lines as well and keep the
below logic also under common code.
Thanks,
Lijo
* Bit [5:0]: original revision value
@@ -388,8 +391,6 @@ int amdgpu_discovery_reg_base_init(struct amdgpu_device *adev)
* 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++;
@@ -485,14 +486,6 @@ 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;
