[PATCH 07/13] drm/amdgpu: implement vce_v4_0_emit_reg_wait

[Christian König]

Add emit_reg_wait implementation for VCE v4.

Signed-off-by: Christian König <christian.koe...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vce_v4_0.c | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c 
b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
index e62a24b90aaf..263dd920be92 100755
--- a/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v4_0.c
@@ -975,16 +975,12 @@ static void vce_v4_0_emit_vm_flush(struct amdgpu_ring 
*ring,
        pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pasid, pd_addr);
 
        /* wait for reg writes */
-       amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
-       amdgpu_ring_write(ring, (hub->ctx0_ptb_addr_lo32 + vmid * 2) << 2);
-       amdgpu_ring_write(ring, 0xffffffff);
-       amdgpu_ring_write(ring, lower_32_bits(pd_addr));
+       amdgpu_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2,
+                                 lower_32_bits(pd_addr), 0xffffffff);
 
        /* wait for flush */
-       amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
-       amdgpu_ring_write(ring, (hub->vm_inv_eng0_ack + eng) << 2);
-       amdgpu_ring_write(ring, 1 << vmid);
-       amdgpu_ring_write(ring, 1 << vmid);
+       amdgpu_ring_emit_reg_wait(ring, hub->vm_inv_eng0_ack + eng,
+                                 1 << vmid, 1 << vmid);
 }
 
 static void vce_v4_0_emit_wreg(struct amdgpu_ring *ring,
@@ -995,6 +991,15 @@ static void vce_v4_0_emit_wreg(struct amdgpu_ring *ring,
        amdgpu_ring_write(ring, val);
 }
 
+static void vce_v4_0_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
+                                  uint32_t val, uint32_t mask)
+{
+       amdgpu_ring_write(ring, VCE_CMD_REG_WAIT);
+       amdgpu_ring_write(ring, reg << 2);
+       amdgpu_ring_write(ring, mask);
+       amdgpu_ring_write(ring, val);
+}
+
 static int vce_v4_0_set_interrupt_state(struct amdgpu_device *adev,
                                        struct amdgpu_irq_src *source,
                                        unsigned type,
@@ -1079,6 +1084,7 @@ static const struct amdgpu_ring_funcs 
vce_v4_0_ring_vm_funcs = {
        .begin_use = amdgpu_vce_ring_begin_use,
        .end_use = amdgpu_vce_ring_end_use,
        .emit_wreg = vce_v4_0_emit_wreg,
+       .emit_reg_wait = vce_v4_0_emit_reg_wait,
 };
 
 static void vce_v4_0_set_ring_funcs(struct amdgpu_device *adev)
-- 
2.14.1

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