linux-kernel - [PATCH v2 drm-dp 00/10] Fix hibmc driver bugs

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Message-ID: <20250620093104.2016196-1-shiyongbang@huawei.com>
Date: Fri, 20 Jun 2025 17:30:54 +0800
From: Yongbang Shi <shiyongbang@...wei.com>
To: <xinliang.liu@...aro.org>, <tiantao6@...ilicon.com>,
	<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
	<tzimmermann@...e.de>, <airlied@...il.com>, <daniel@...ll.ch>,
	<kong.kongxinwei@...ilicon.com>, <dmitry.baryshkov@....qualcomm.com>
CC: <liangjian010@...wei.com>, <chenjianmin@...wei.com>,
	<lidongming5@...wei.com>, <shiyongbang@...wei.com>, <libaihan@...wei.com>,
	<shenjian15@...wei.com>, <shaojijie@...wei.com>,
	<jani.nikula@...ux.intel.com>, <dri-devel@...ts.freedesktop.org>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH v2 drm-dp 00/10] Fix hibmc driver bugs

From: Baihan Li <libaihan@...wei.com>

There are some bugfix for hibmc-drm driver.
---
ChangeLog:
v1 -> v2:
  - use the hibmc_ddc_del() in hibmc_connector_destroy(), suggested by Dmitry Baryshkov.
  - fix the tag, suggested by Dmitry Baryshkov.
  - don't use the flag, and use more checks in detect_ctx(), suggested by Dmitry Baryshkov.
  - delete if (dev->registered), suggested by Dmitry Baryshkov.
  - add explanations in commit, suggested by Dmitry Baryshkov.
  - delete if (!dp->is_connected) in hibmc_dp_mode_valid(), suggested by Dmitry Baryshkov.
  - don't tie VGA and DP status, suggested by Dmitry Baryshkov.
  - use crtc clone to let 2 connectors can display simultaneous
  - separate the patch, suggested by Dmitry Baryshkov.
---

Baihan Li (10):
  drm/hisilicon/hibmc: fix the i2c device resource leak when vdac init
    failed
  drm/hisilicon/hibmc: fix dp probabilistical detect errors after HPD
    irq
  drm/hisilicon/hibmc: fix irq_request()'s irq name variable is local
  drm/hisilicon/hibmc: fix the hibmc loaded failed bug
  drm/hisilicon/hibmc: fix rare monitors cannot display problem
  drm/hisilicon/hibmc: add dp mode valid check
  drm/hisilicon/hibmc: fix dp and vga cannot show together
  drm/hisilicon/hibmc: fix no showing when no connectors connected
  drm/hisilicon/hibmc: fix no showing problem with loading hibmc
    manually
  drm/hisilicon/hibmc: adapting modification for the former commit

 drivers/gpu/drm/hisilicon/hibmc/dp/dp_comm.h  |  4 +-
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c    | 48 +++++++++----
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h    |  8 +++
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c  | 33 ++++++---
 .../gpu/drm/hisilicon/hibmc/dp/dp_serdes.c    | 12 ----
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c    | 70 +++++++++++++++++--
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c   | 22 +++---
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h   |  1 +
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c   |  5 ++
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c  | 12 ++--
 10 files changed, 163 insertions(+), 52 deletions(-)

-- 
2.33.0