Needed for vm_flush unification.
Signed-off-by: Christian König <christian.koenig at amd.com>
---
drivers/gpu/drm/amd/amdgpu/cik_sdma.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
index 66d9b5f85d6e..fbbac8498044 100644
--- a/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/cik_sdma.c
@@ -907,6 +907,14 @@ static void cik_sdma_ring_emit_vm_flush(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (0xfff << 16) | 10); /* retry count, poll interval */
}
+static void cik_sdma_ring_emit_wreg(struct amdgpu_ring *ring,
+ uint32_t reg, uint32_t val)
+{
+ amdgpu_ring_write(ring, SDMA_PACKET(SDMA_OPCODE_SRBM_WRITE, 0, 0xf000));
+ amdgpu_ring_write(ring, reg);
+ amdgpu_ring_write(ring, val);
+}
+
static void cik_enable_sdma_mgcg(struct amdgpu_device *adev,
bool enable)
{
@@ -1295,6 +1303,7 @@ static const struct amdgpu_ring_funcs cik_sdma_ring_funcs = {
.test_ib = cik_sdma_ring_test_ib,
.insert_nop = cik_sdma_ring_insert_nop,
.pad_ib = cik_sdma_ring_pad_ib,
+ .emit_wreg = cik_sdma_ring_emit_wreg,
};
static void cik_sdma_set_ring_funcs(struct amdgpu_device *adev)
--
2.14.1
