linux-kernel - [PATCH v4 drm-dp 00/11] Fix hibmc driver bugs

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Message-ID: <20250813094238.3722345-1-shiyongbang@huawei.com>
Date: Wed, 13 Aug 2025 17:42:27 +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>,
	<fengsheng5@...wei.com>, <shiyongbang@...wei.com>, <libaihan@...wei.com>,
	<shenjian15@...wei.com>, <shaojijie@...wei.com>,
	<dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 drm-dp 00/11] Fix hibmc driver bugs

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

There are some bugfix for hibmc-drm driver.
---
ChangeLog:
v3 -> v4:
  - remove link training process in hibmc_dp_detect(), suggested by Dmitry Baryshkov.
  - remove if (dev->registered), suggested by Dmitry Baryshkov.
  - remove non-related changes, suggested by Dmitry Baryshkov.
  - Remove the clock check, suggested by Dmitry Baryshkov.
  - ( I'll add them in next series after redesigning this part)
  - add KVM edid in commit message, suggested by Dmitry Baryshkov.
  - fix magic values, suggested by Dmitry Baryshkov.
  - fix the commit subjects, suggested by Dmitry Baryshkov.
v2 -> v3:
  - fix hibmc_connector_get_modes() and hibmc_vdac_detect() to realize BMC KVM, suggested by Dmitry Baryshkov.
  - fix the issue commit ID, suggested by Dmitry Baryshkov.
  - split into 2 commits, suggested by Dmitry Baryshkov.
  - add more comments in commit log, suggested by Dmitry Baryshkov.
---

Baihan Li (11):
  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: Adding reset colorbar cfg in dp init.
  drm/hisilicon/hibmc: moving HDCP cfg after the dp reset operation.

 .../gpu/drm/hisilicon/hibmc/dp/dp_config.h    |  2 +
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c    | 18 ++++-
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h    |  3 +
 drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c  | 14 +++-
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c    | 48 ++++++++++--
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c   | 24 +++---
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h   |  8 ++
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_i2c.c   |  5 ++
 .../gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c  | 73 +++++++++++++------
 9 files changed, 154 insertions(+), 41 deletions(-)

-- 
2.33.0