On Fri, Mar 07, 2025 at 06:16:34PM +0800, Yongbang Shi wrote: > From: Baihan Li <libaihan@xxxxxxxxxx> > > Add dp serdes cfg in link training process, and related adapting > and modificating. Change some init values about training, because we want > completely to negotiation process, so we start with the maximum rate and > the electrical characteristic level is 0. Becuase serdes default cfgs is > changed and used in hibmc_kms_init(), we changed the if-statement to check > whether the value is 0. > > Signed-off-by: Baihan Li <libaihan@xxxxxxxxxx> > Signed-off-by: Yongbang Shi <shiyongbang@xxxxxxxxxx> > --- > ChangeLog: > v4 -> v5: > - add commit log about hibmc_kms_init(), suggested by Dmitry Baryshkov. > - fix the format of block comments, suggested by Dmitry Baryshkov. > - add hibmc_dp_get_serdes_rate_cfg() to correct transferring serdes cfg. > v3 -> v4: > - add comments for if-statement of dp_init(), suggested by Dmitry Baryshkov. > v2 -> v3: > - change commit to an imperative sentence, suggested by Dmitry Baryshkov. > - put HIBMC_DP_HOST_SERDES_CTRL in dp_serdes.h, suggested by Dmitry Baryshkov. > v1 -> v2: > - splittting the patch and add more detailed the changes in the commit message, suggested by Dmitry Baryshkov. > --- > .../gpu/drm/hisilicon/hibmc/dp/dp_config.h | 1 + > drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 5 +- > drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c | 77 ++++++++++++++----- > drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h | 5 ++ > .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 13 ++-- > 5 files changed, 75 insertions(+), 26 deletions(-) > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx> -- With best wishes Dmitry
