[PATCH v2 drm-dp 0/4] Add HPD, getting EDID, colorbar features in DP function

From: Yongbang Shi
Date: Mon Feb 10 2025 - 09:57:18 EST


From: Baihan Li <libaihan@xxxxxxxxxx>

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

---
ChangeLog:
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.
---

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 | 11 +-
.../gpu/drm/hisilicon/hibmc/dp/dp_config.h | 2 +
drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c | 103 ++++++++++++++-
drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h | 47 +++++++
drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c | 92 +++++++++----
drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h | 5 +
.../gpu/drm/hisilicon/hibmc/dp/dp_serdes.c | 74 +++++++++++
.../gpu/drm/hisilicon/hibmc/dp/dp_serdes.h | 36 +++++
.../drm/hisilicon/hibmc/hibmc_drm_debugfs.c | 124 ++++++++++++++++++
.../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c | 88 ++++++++++---
.../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c | 86 +++++++++---
.../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h | 21 +++
14 files changed, 640 insertions(+), 68 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

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2.33.0