Am 26.05.21 um 12:13 schrieb Li, Xin (Justin):
since vcn decoding ring is not required, so just disable it.
Cc: Alex.Deucher <alexander.deucher@xxxxxxx>
Cc: Christian.Konig <christian.koenig@xxxxxxx>
Signed-off-by: Li.Xin.Justin <xin2.li@xxxxxxx>
Signed-off-by: Frank.Min <Frank.Min@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 6 +++---
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 25 ++++++++++++++-----------
2 files changed, 17 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 524e4fe5efe8..614e6b06e94e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -427,7 +427,9 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
if (adev->uvd.harvest_config & (1 << i))
continue;
- if (adev->vcn.inst[i].ring_dec.sched.ready)
+ if (adev->vcn.inst[i].ring_dec.sched.ready ||
+ (adev->asic_type == CHIP_NAVI12 &&
+ amdgpu_sriov_vf(adev)))
Leo needs to take a closer look, but that looks fishy to me.
Why should the ring be available if it is disabled? That doesn't make sense.
Christian.
++num_rings;
}
ib_start_alignment = 16;
@@ -770,8 +772,6 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
if (amdgpu_mcbp || amdgpu_sriov_vf(adev))
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
- if (amdgpu_is_tmz(adev))
- dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
vm_size -= AMDGPU_VA_RESERVED_SIZE;
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 8af567c546db..dc8a36766c4a 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -220,17 +220,20 @@ static int vcn_v2_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->vcn.inst->ring_dec;
- int i, r;
+ int i, r = -1;
adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
ring->doorbell_index, 0);
- if (amdgpu_sriov_vf(adev))
+ if (amdgpu_sriov_vf(adev)) {
vcn_v2_0_start_sriov(adev);
-
- r = amdgpu_ring_test_helper(ring);
- if (r)
- goto done;
+ if (adev->asic_type == CHIP_NAVI12)
+ ring->sched.ready = false;
+ } else {
+ r = amdgpu_ring_test_helper(ring);
+ if (r)
+ goto done;
+ }
//Disable vcn decode for sriov
if (amdgpu_sriov_vf(adev))
@@ -245,8 +248,11 @@ static int vcn_v2_0_hw_init(void *handle)
done:
if (!r)
- DRM_INFO("VCN decode and encode initialized successfully(under %s).\n",
- (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
+ DRM_INFO("VCN %s encode initialized successfully(under %s).\n",
+ (adev->asic_type == CHIP_NAVI12 &&
+ amdgpu_sriov_vf(adev))?"":"decode and",
+ (adev->pg_flags &
+ AMD_PG_SUPPORT_VCN_DPG)?"DPG Mode":"SPG Mode");
return r;
}
@@ -1721,9 +1727,6 @@ int vcn_v2_0_dec_ring_test_ring(struct amdgpu_ring *ring)
unsigned i;
int r;
- if (amdgpu_sriov_vf(adev))
- return 0;
-
WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
r = amdgpu_ring_alloc(ring, 4);
if (r)
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