[PATCH 2/8] Revert "Revert "drm/amdgpu/sdma4: add emit_reg_write_reg_wait ring callback""

[Emily Deng <Emily.Deng-5C7GfCeVMHo@public.gmane.org>]

This reverts commit eede70ab868f9a3803ad304a5ab61adfa76e669b.
The vega10 sriov still need these patches.
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 2c618a1..dd98d2e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1171,6 +1171,13 @@ static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
 	sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
 }
 
+static void sdma_v4_0_ring_emit_reg_write_reg_wait(struct amdgpu_ring *ring,
+						   uint32_t reg0, uint32_t reg1,
+						   uint32_t ref, uint32_t mask)
+{
+	sdma_v4_0_wait_reg_mem(ring, 0, 1, reg0, reg1, ref, mask, 10);
+}
+
 static int sdma_v4_0_early_init(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@@ -1611,6 +1618,7 @@ static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
 	.pad_ib = sdma_v4_0_ring_pad_ib,
 	.emit_wreg = sdma_v4_0_ring_emit_wreg,
 	.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
+	.emit_reg_write_reg_wait = sdma_v4_0_ring_emit_reg_write_reg_wait,
 };
 
 static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)
-- 
2.7.4

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