[-next v1 0/1] Fix StarFive JH7110 gmac TCP RX speed issue

[Samin Guo]

This patch fixes the StarFive JH7110 gmac TCP RX slow issue. And it has been
tested on VisionFive 2.

Here is the result of the test (iperf3):

  Before:
      # iperf3 -s
      -----------------------------------------------------------
      Server listening on 5201 (test #1)
      -----------------------------------------------------------
      Accepted connection from 192.168.1.4, port 47604
      [  5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47612
      [ ID] Interval           Transfer     Bitrate
      [  5]   0.00-1.00   sec  36.3 MBytes   305 Mbits/sec
      [  5]   1.00-2.00   sec  35.6 MBytes   299 Mbits/sec
      [  5]   2.00-3.00   sec  36.5 MBytes   306 Mbits/sec
      [  5]   3.00-4.00   sec  36.5 MBytes   306 Mbits/sec
      [  5]   4.00-5.00   sec  35.7 MBytes   300 Mbits/sec
      [  5]   5.00-6.00   sec  35.4 MBytes   297 Mbits/sec
      [  5]   6.00-7.00   sec  37.1 MBytes   311 Mbits/sec
      [  5]   7.00-8.00   sec  35.6 MBytes   298 Mbits/sec
      [  5]   8.00-9.00   sec  36.4 MBytes   305 Mbits/sec
      [  5]   9.00-10.00  sec  36.3 MBytes   304 Mbits/sec
      - - - - - - - - - - - - - - - - - - - - - - - - -
      [ ID] Interval           Transfer     Bitrate
      [  5]   0.00-10.00  sec   361 MBytes   303 Mbits/sec        receiver

  After:
      # iperf3 -s
      -----------------------------------------------------------
      Server listening on 5201 (test #1)
      -----------------------------------------------------------
      Accepted connection from 192.168.1.4, port 47710
      [  5] local 192.168.1.3 port 5201 connected to 192.168.1.4 port 47720
      [ ID] Interval           Transfer     Bitrate
      [  5]   0.00-1.00   sec   111 MBytes   932 Mbits/sec
      [  5]   1.00-2.00   sec   111 MBytes   934 Mbits/sec
      [  5]   2.00-3.00   sec   111 MBytes   934 Mbits/sec
      [  5]   3.00-4.00   sec   111 MBytes   934 Mbits/sec
      [  5]   4.00-5.00   sec   111 MBytes   934 Mbits/sec
      [  5]   5.00-6.00   sec   111 MBytes   935 Mbits/sec
      [  5]   6.00-7.00   sec   111 MBytes   934 Mbits/sec
      [  5]   7.00-8.00   sec   111 MBytes   935 Mbits/sec
      [  5]   8.00-9.00   sec   111 MBytes   934 Mbits/sec
      [  5]   9.00-10.00  sec   111 MBytes   934 Mbits/sec
      [  5]  10.00-10.00  sec   167 KBytes   933 Mbits/sec
      - - - - - - - - - - - - - - - - - - - - - - - - -
      [ ID] Interval           Transfer     Bitrate
      [  5]   0.00-10.00  sec  1.09 GBytes   934 Mbits/sec        receiver


For more information and support, you can visit RVspace wiki[1].

[1]: https://wiki.rvspace.org/

Samin Guo (1):
  riscv: starfive: jh7110: Fix GMAC configuration

 arch/riscv/boot/dts/starfive/jh7110.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--
2.17.1