Needed for vm_flush unification.

Signed-off-by: Christian König <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 3fd7eb2a9a7b..ebec33f87fb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -6618,8 +6618,22 @@ static void gfx_v8_0_ring_emit_rreg(struct amdgpu_ring 
*ring, uint32_t reg)
 static void gfx_v8_0_ring_emit_wreg(struct amdgpu_ring *ring, uint32_t reg,
                                  uint32_t val)
 {
+       uint32_t cmd;
+
+       switch (ring->funcs->type) {
+       case AMDGPU_RING_TYPE_GFX:
+               cmd = WRITE_DATA_ENGINE_SEL(1) | WR_CONFIRM;
+               break;
+       case AMDGPU_RING_TYPE_KIQ:
+               cmd = 1 << 16; /* no inc addr */
+               break;
+       default:
+               cmd = WR_CONFIRM;
+               break;
+       }
+
        amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
-       amdgpu_ring_write(ring, (1 << 16)); /* no inc addr */
+       amdgpu_ring_write(ring, cmd);
        amdgpu_ring_write(ring, reg);
        amdgpu_ring_write(ring, 0);
        amdgpu_ring_write(ring, val);
@@ -6903,6 +6917,7 @@ static const struct amdgpu_ring_funcs 
gfx_v8_0_ring_funcs_gfx = {
        .emit_cntxcntl = gfx_v8_ring_emit_cntxcntl,
        .init_cond_exec = gfx_v8_0_ring_emit_init_cond_exec,
        .patch_cond_exec = gfx_v8_0_ring_emit_patch_cond_exec,
+       .emit_wreg = gfx_v8_0_ring_emit_wreg,
 };
 
 static const struct amdgpu_ring_funcs gfx_v8_0_ring_funcs_compute = {
-- 
2.14.1

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