Am 05.03.24 um 07:40 schrieb Lijo Lazar:
For VCN 4.0.3, use only the local addressing scheme while in VF
mode. This includes addressing scheme used for HUB offsets.
Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 7b5ad13b618e..a27f3f260aab 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -1381,6 +1381,24 @@ static uint64_t vcn_v4_0_3_unified_ring_get_wptr(struct amdgpu_ring *ring)
regUVD_RB_WPTR);
}
+static void vcn_v4_0_3_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
+ unsigned int vmid, uint64_t pd_addr)
+{
+ struct amdgpu_vmhub *hub;
+
+ /* For VF, only local offsets should be used */
+ if (amdgpu_sriov_vf(ring->adev))
+ ring->vm_hub = AMDGPU_MMHUB0(0);
That is clearly a no-go since the vm_hub must be statically and can't be
changed here.
Regards,
Christian.
+ hub = &ring->adev->vmhub[ring->vm_hub];
+
+ pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
+
+ /* wait for reg writes */
+ vcn_v2_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 +
+ vmid * hub->ctx_addr_distance,
+ lower_32_bits(pd_addr), 0xffffffff);
+}
+
static void vcn_v4_0_3_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
/* VCN engine access for HDP flush doesn't work when RRMT is enabled.
@@ -1443,7 +1461,7 @@ static const struct amdgpu_ring_funcs vcn_v4_0_3_unified_ring_vm_funcs = {
.emit_ib_size = 5, /* vcn_v2_0_enc_ring_emit_ib */
.emit_ib = vcn_v2_0_enc_ring_emit_ib,
.emit_fence = vcn_v2_0_enc_ring_emit_fence,
- .emit_vm_flush = vcn_v2_0_enc_ring_emit_vm_flush,
+ .emit_vm_flush = vcn_v4_0_3_enc_ring_emit_vm_flush,
.emit_hdp_flush = vcn_v4_0_3_ring_emit_hdp_flush,
.test_ring = amdgpu_vcn_enc_ring_test_ring,
.test_ib = amdgpu_vcn_unified_ring_test_ib,
