Needed for vm_flush unification.
Signed-off-by: Christian König <[email protected]>
---
drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index c6e22eff89e7..b48b843c66ae 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -1059,6 +1059,17 @@ 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)
@@ -1595,6 +1606,7 @@ 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 = {
--
2.14.1
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