drm/amdgpu: wire up emit_wreg for UVD v6

Needed for vm_flush unification.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 8c4f1f4..0446fe2 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -1072,6 +1072,17 @@ static void uvd_v6_0_enc_ring_emit_ib(struct amdgpu_ring *ring,
        amdgpu_ring_write(ring, ib->length_dw);
 }
 
+static void uvd_v6_0_ring_emit_wreg(struct amdgpu_ring *ring,
+                                   uint32_t reg, uint32_t val)
+{
+       amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
+       amdgpu_ring_write(ring, reg << 2);
+       amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
+       amdgpu_ring_write(ring, val);
+       amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
+       amdgpu_ring_write(ring, 0x8);
+}
+
 static void uvd_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
                                        unsigned vmid, unsigned pasid,
                                        uint64_t pd_addr)
@@ -1608,6 +1619,7 @@ static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
        .pad_ib = amdgpu_ring_generic_pad_ib,
        .begin_use = amdgpu_uvd_ring_begin_use,
        .end_use = amdgpu_uvd_ring_end_use,
+       .emit_wreg = uvd_v6_0_ring_emit_wreg,
 };
 
 static const struct amdgpu_ring_funcs uvd_v6_0_enc_ring_vm_funcs = {