[v3,drm-dp,0/8] Add HPD, getting EDID, colorbar features in DP function

Message

Yongbang Shi Feb. 22, 2025, 2:50 a.m. UTC

From: Baihan Li <[e-mail]>

To support DP HPD, edid printing, and colorbar display features based on
the Hisislcon DP devices. 

---
ChangeLog:
v2 -> v3:
  - restructuring the header p_reg.h, suggested by Dmitry Baryshkov.
  - add commit log about dp serdes, suggested by Dmitry Baryshkov.
  - return value in hibmc_dp_serdes_init(), suggested by Dmitry Baryshkov.
  - add static const in the array of serdes_tx_cfg[], suggested by Dmitry Baryshkov.
  - change drm_warn to drm_dbg_dp, suggested by Dmitry Baryshkov.
  - add explanations about dp serdes macros, suggested by Dmitry Baryshkov.
  - change commit to an imperative sentence, suggested by Dmitry Baryshkov.
  - put HIBMC_DP_HOST_SERDES_CTRL in dp_serdes.h, suggested by Dmitry Baryshkov.
  - split the patch into two parts, suggested by Dmitry Baryshkov.
  - Capitalized EDID and AUX, suggested by Dmitry Baryshkov.
  - rewrite the commit log, suggested by Dmitry Baryshkov.
  - move colorbar debugfs entry to this patch, suggested by Dmitry Baryshkov.
  - change binary format to integer format, suggested by Dmitry Baryshkov.
  - remove mdelay(100) hpd function in ISR, suggested by Dmitry Baryshkov.
  - remove enble_display in ISR, suggested by Dmitry Baryshkov.
  - change drm_kms_helper_connector_hotplug_event() to
    drm_connector_helper_hpd_irq_event(), suggested by Dmitry Baryshkov.
  - move macros to dp_reg.h, suggested by Dmitry Baryshkov.
  - remove struct irqs, suggested by Dmitry Baryshkov.
  - split this patch into two parts, suggested by Dmitry Baryshkov.
v1 -> v2:
  - splittting the patch and add more detailed the changes in the commit message, suggested by Dmitry Baryshkov.
  - changing all names of dp phy to dp serdes.
  - deleting type conversion, suggested by Dmitry Baryshkov.
  - deleting hibmc_dp_connector_get_modes() and using drm_connector_helper_get_modes(), suggested by Dmitry Baryshkov.
  - add colorbar introduction in commit, suggested by Dmitry Baryshkov.
  - deleting edid decoder and its debugfs, suggested by Dmitry Baryshkov.
  - using debugfs_init() callback, suggested by Dmitry Baryshkov.
  - splittting colorbar and debugfs in different patches, suggested by Dmitry Baryshkov.
  - optimizing the description in commit message, suggested by Dmitry Baryshkov.
  - add mdelay(100) comments, suggested by Dmitry Baryshkov.
  - deleting display enable in hpd event, suggested by Dmitry Baryshkov.
---

Baihan Li (8):
  drm/hisilicon/hibmc: Restructuring the header dp_reg.h
  drm/hisilicon/hibmc: Add dp phy cfg to adjust serdes rate, voltage and
    pre-emphasis
  drm/hisilicon/hibmc: Add dp serdes cfg in dp process
  drm/hisilicon/hibmc: Refactor the member of drm_aux in struct hibmc_dp
  drm/hisilicon/hibmc: Getting connector info and edid by using aux
    channel
  drm/hisilicon/hibmc: Add colorbar-cfg feature and its debugfs file
  drm/hisilicon/hibmc: Enable this hot plug detect of irq feature
  drm/hisilicon/hibmc: Add MSI irq getting and requesting for HPD

 drivers/gpu/drm/hisilicon/hibmc/Makefile      |   3 +-
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_aux.c   |  16 ++-
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h  |   7 +-
 .../gpu/drm/hisilicon/hibmc/dp/dp_config.h    |   2 +
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c    |  78 ++++++++++++-
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h    |  37 +++++++
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c  |  55 +++++++---
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h   | 103 +++++++++++-------
 .../gpu/drm/hisilicon/hibmc/dp/dp_serdes.c    |  72 ++++++++++++
 .../gpu/drm/hisilicon/hibmc/dp/dp_serdes.h    |  40 +++++++
 .../drm/hisilicon/hibmc/hibmc_drm_debugfs.c   | 100 +++++++++++++++++
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c    |  95 +++++++++++++++-
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c   |  85 +++++++++++----
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h   |  12 ++
 14 files changed, 617 insertions(+), 88 deletions(-)
 create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_serdes.c
 create mode 100644 drivers/gpu/drm/hisilicon/hibmc/dp/dp_serdes.h
 create mode 100644 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_debugfs.c