| Message ID | 1628196295-7382-1-git-send-email-khsieh@codeaurora.org |
|---|---|
| Headers | show |
| Series | add fixes to pass DP Link Layer compliance test cases | expand |
Quoting Kuogee Hsieh (2021-08-05 13:44:51) > Reduce link rate and re start link training if link training 1 > failed due to loss of clock recovery done to fix Link Layer > CTS case 4.3.1.7. Also only update voltage and pre-emphasis > swing level after link training started to fix Link Layer CTS > case 4.3.1.6. > > Changes in V2: > -- replaced cr_status with link_status[DP_LINK_STATUS_SIZE] > -- replaced dp_ctrl_any_lane_cr_done() with dp_ctrl_colco_recovery_any_ok() > -- replaced dp_ctrl_any_ane_cr_lose() with !drm_dp_clock_recovery_ok() > > Changes in V3: > -- return failed if lane_count <= 1 > > Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Quoting Kuogee Hsieh (2021-08-05 13:44:53) > Remove special handling of replug interrupt and instead treat replug event > as a sequential unplug followed by a plugin event. This is needed to meet > the requirements of DP Link Layer CTS test case 4.2.1.3. > > Changes in V2: > -- add fixes statement > > Changes in V3: > -- delete EV_HPD_REPLUG_INT > > Fixes: f21c8a276c2d ("drm/msm/dp: handle irq_hpd with sink_count = 0 correctly") > > Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Quoting Kuogee Hsieh (2021-08-05 13:44:54) > Response with correct edid checksum saved at connector after corrupted edid > checksum read. This fixes Link Layer CTS cases 4.2.2.3, 4.2.2.6. > > Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org> > --- Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Quoting Kuogee Hsieh (2021-08-05 13:44:49) > add fixes to pass DP Link Layer compliance test cases > > Kuogee Hsieh (6): > drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run > drm/msm/dp: reduce link rate if failed at link training 1 > drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed. > drm/msm/dp: replug event is converted into an unplug followed by an > plug events > drm/msm/dp: return correct edid checksum after corrupted edid checksum > read > drm/msm/dp: do not end dp link training until video is ready I'm still able to use my Apple dongle with these patches so Tested-by: Stephen Boyd <swboyd@chromium.org>
add fixes to pass DP Link Layer compliance test cases Kuogee Hsieh (6): drm/msm/dp: use dp_ctrl_off_link_stream during PHY compliance test run drm/msm/dp: reduce link rate if failed at link training 1 drm/msm/dp: reset aux controller after dp_aux_cmd_fifo_tx() failed. drm/msm/dp: replug event is converted into an unplug followed by an plug events drm/msm/dp: return correct edid checksum after corrupted edid checksum read drm/msm/dp: do not end dp link training until video is ready drivers/gpu/drm/msm/dp/dp_aux.c | 3 + drivers/gpu/drm/msm/dp/dp_ctrl.c | 137 +++++++++++++++++++++++------------- drivers/gpu/drm/msm/dp/dp_display.c | 14 ++-- drivers/gpu/drm/msm/dp/dp_panel.c | 9 ++- 4 files changed, 102 insertions(+), 61 deletions(-)