Message-ID: <20251204103907.52873-1-chuguangqing@inspur.com>
Date: Thu,  4 Dec 2025 18:39:05 +0800
From: Chu Guangqing <chuguangqing@...pur.com>
To: maarten.lankhorst@...ux.intel.com,
	mripard@...nel.org,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch
Cc: linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	Chu Guangqing <chuguangqing@...pur.com>
Subject: [PATCH v12 0/1] [DRIVER] gpu: drm: add support for YHGCH ZX1000 soc chipset

v12:
 - Add header files to fix compilation errors.

v11:
 - For header files: Alphabetical sorting
 - remove test for visibility
 - add drm_gem_fb_begin_cpu_access to tell device when accessing the
   buffer
 - remove write to fb->patches
 - use drm_format_info_min_pitch instead cpp
 - change to One format per line 
 - remove yhgch_crtc_atomic_begin function
 - make yhgch_dumb_create static function
 - add drm_mode_size_dumb(dev, args, SZ_16, 0) call
 - remove dev->mode_config.prefer_shadow = 1
 - make connector polling work
 - Modify yhgch_connector_get_modes function for EDID access and prevent double free
 (https://lore.kernel.org/all/20251202022452.2636-1-chuguangqing@inspur.com/)

v10:
 - add drm_edid_free call
 (https://lore.kernel.org/all/20251014072421.4486-1-chuguangqing@inspur.com/)

v9:
 - Remove the check that will not occur
 - Call drm_edid_connector_update to reset when drm_edid is empty.

v8:
 - Use YHGCH uniformly and add the company's official website.

v7:
 - Delete the three preceding function definitions
 - delete Delete the redundant code and comments
 (https://lore.kernel.org/all/20250929063103.7375-1-chuguangqing@inspur.com/)

v6:
 - simplify to return drm_atomic_helper_check_plane_state()
 - remove empty line
 - remove call drm_probe_ddc and smidebug
 - replace drm_err with drm_dbg_kms
 - add callback .disable
 (https://lore.kernel.org/all/20250928054123.32895-1-chuguangqing@inspur.com/)

v5:
  - remove extra level of subdiretories, change to driver/gpu/drm/yhgch
  - remove else from > +        else if (!new_plane_state->visible)
  - remove extra check in function yhgch_plane_atomic_check
  - remove the extra parentheses
  - change the author like other modules
  - use drm_edit_read function instead drm_get_edit
  - remove debug info drm_warn call
  - rename function name smi_connector_helper_detect_from_ddc to
     yhgch_connector_helper_detect_from_ddc, remove extra return statement.
  (https://lore.kernel.org/all/20250925091715.12739-1-chuguangqing@inspur.com/)

v4:
  - remove  VRAM helpers from Kconfig
  - use the coding style in ast/mgag200 for the DDC
  - use plane_state->dst instead of crtc_h/w/x/y.
  - delete duplicate framebuffer's atomic_check.
  - use FIELD_PREP() directly.
  - use dev->mode_config.
  - delete unnecessary drm_atomic_helper_shutdown call
  - add AUTHOR
  - using .enable instead
  (https://lore.kernel.org/all/20250924064954.3921-1-chuguangqing@inspur.com/)

v3:
  - The order of the code blocks has been adjusted, and the "warn-on" branch
     has been removed.
  - removed the related formats for the alpha channel.
  - removed the atomic_flush function.
  - have removed the empty line.
  - have removed the error message here.
  - replaced it with the drmm_encoder_init function.
  (https://lore.kernel.org/all/20250910022311.2655-1-chuguangqing@inspur.com/)

v2:
  - Delete unnecessary comments
  - Delete unnecessary branch
  - Use drm_atomic_helper_check_plane_state
  - remove the alpha formats form this list.
  - use w,h rather than x, y
  - delete type casting
  - use a simple call to drm_atomic_helper_shutdown()
  - delete yhgch_load function
  - delete vblanking code
  - delete unneeded i2c type
  (https://lore.kernel.org/all/20250903054533.68540-1-chuguangqing@inspur.com/)

v1:
  (https://lore.kernel.org/all/20250808053508.52202-1-chuguangqing@inspur.com/)

Chu Guangqing (1):
  [DRIVER] gpu: drm: add support for YHGCH ZX1000 soc chipset

 MAINTAINERS                            |   6 +
 drivers/gpu/drm/Kconfig                |   2 +
 drivers/gpu/drm/Makefile               |   1 +
 drivers/gpu/drm/yhgch/Kconfig          |  11 +
 drivers/gpu/drm/yhgch/Makefile         |   4 +
 drivers/gpu/drm/yhgch/yhgch_drm_de.c   | 372 +++++++++++++++++++++++++
 drivers/gpu/drm/yhgch/yhgch_drm_drv.c  | 315 +++++++++++++++++++++
 drivers/gpu/drm/yhgch/yhgch_drm_drv.h  |  48 ++++
 drivers/gpu/drm/yhgch/yhgch_drm_i2c.c  | 114 ++++++++
 drivers/gpu/drm/yhgch/yhgch_drm_regs.h | 208 ++++++++++++++
 drivers/gpu/drm/yhgch/yhgch_drm_vdac.c | 132 +++++++++
 11 files changed, 1213 insertions(+)
 create mode 100644 drivers/gpu/drm/yhgch/Kconfig
 create mode 100644 drivers/gpu/drm/yhgch/Makefile
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_de.c
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_drv.c
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_drv.h
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_i2c.c
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_regs.h
 create mode 100644 drivers/gpu/drm/yhgch/yhgch_drm_vdac.c

-- 
2.43.7

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