[PATCH] drm/amdgpu: Retire un-used write in JPEG v4.0.3

[Jane Jian]

write OP of HDP_DEBUG1(0x3fbc) is no longer functional, so remove it.

Signed-off-by: Jane Jian <jane.j...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c 
b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
index 86958cb2c2ab..eafd8bcf2870 100644
--- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_3.c
@@ -743,14 +743,6 @@ void jpeg_v4_0_3_dec_ring_emit_fence(struct amdgpu_ring 
*ring, u64 addr, u64 seq
        amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
        amdgpu_ring_write(ring, 0);
 
-       amdgpu_ring_write(ring, 
PACKETJ(regUVD_JRBC_EXTERNAL_REG_INTERNAL_OFFSET,
-               0, 0, PACKETJ_TYPE0));
-       amdgpu_ring_write(ring, 0x3fbc);
-
-       amdgpu_ring_write(ring, PACKETJ(JRBC_DEC_EXTERNAL_REG_WRITE_ADDR,
-               0, 0, PACKETJ_TYPE0));
-       amdgpu_ring_write(ring, 0x1);
-
        amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
        amdgpu_ring_write(ring, 0);
 
@@ -1088,7 +1080,7 @@ static const struct amdgpu_ring_funcs 
jpeg_v4_0_3_dec_ring_vm_funcs = {
                SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
                SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
                8 + /* jpeg_v4_0_3_dec_ring_emit_vm_flush */
-               22 + 22 + /* jpeg_v4_0_3_dec_ring_emit_fence x2 vm fence */
+               18 + 18 + /* jpeg_v4_0_3_dec_ring_emit_fence x2 vm fence */
                8 + 16,
        .emit_ib_size = 22, /* jpeg_v4_0_3_dec_ring_emit_ib */
        .emit_ib = jpeg_v4_0_3_dec_ring_emit_ib,
-- 
2.34.1