[PATCH 15/21] drm/amdgpu: add PASID mapping for UVD v6

[Christian König]

This way we can see the PASID in VM faults.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index c6e22eff89e7..4122cca65785 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -1077,6 +1077,13 @@ static void uvd_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
 	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
 	amdgpu_ring_write(ring, 0x8);
 
+	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
+	amdgpu_ring_write(ring, (mmIH_VMID_0_LUT + vmid) << 2);
+	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
+	amdgpu_ring_write(ring, pasid);
+	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
+	amdgpu_ring_write(ring, 0x8);
+
 	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
 	amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2);
 	amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
@@ -1135,6 +1142,8 @@ static void uvd_v6_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring,
 	amdgpu_ring_write(ring, vmid);
 	amdgpu_ring_write(ring, pd_addr >> 12);
 
+	/* TODO: PASID handling. */
+
 	amdgpu_ring_write(ring, HEVC_ENC_CMD_FLUSH_TLB);
 	amdgpu_ring_write(ring, vmid);
 }
@@ -1580,7 +1589,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
 		2 + /* uvd_v6_0_ring_emit_hdp_flush */
 		2 + /* uvd_v6_0_ring_emit_hdp_invalidate */
 		10 + /* uvd_v6_0_ring_emit_pipeline_sync */
-		20 + /* uvd_v6_0_ring_emit_vm_flush */
+		26 + /* uvd_v6_0_ring_emit_vm_flush */
 		14 + 14, /* uvd_v6_0_ring_emit_fence x2 vm fence */
 	.emit_ib_size = 8, /* uvd_v6_0_ring_emit_ib */
 	.emit_ib = uvd_v6_0_ring_emit_ib,
-- 
2.14.1