linux-kernel - [RESENT PATCH v7 0/3] Add drm driver for Rockchip Socs

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Message-Id: <1411728800-25112-1-git-send-email-mark.yao@rock-chips.com>
Date:	Fri, 26 Sep 2014 18:53:20 +0800
From:	Mark Yao <mark.yao@...k-chips.com>
To:	heiko@...ech.de,
	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	David Airlie <airlied@...il.com>,
	Rob Clark <robdclark@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Grant Likely <grant.likely@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	John Stultz <john.stultz@...aro.org>,
	Rom Lemarchand <romlem@...gle.com>
Cc:	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-api@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	dianders@...omium.org, marcheu@...omium.org, dbehr@...omium.org,
	olof@...om.net, djkurtz@...omium.org, xjq@...k-chips.com,
	kfx@...k-chips.com, cym@...k-chips.com, cf@...k-chips.com,
	zyw@...k-chips.com, xxm@...k-chips.com, huangtao@...k-chips.com,
	kever.yang@...k-chips.com, yxj@...k-chips.com, wxt@...k-chips.com,
	xw@...k-chips.com, Mark Yao <mark.yao@...k-chips.com>
Subject: [RESENT PATCH v7 0/3] Add drm driver for Rockchip Socs

This a series of patches is a DRM Driver for Rockchip Socs, add support
for vop devices. Future patches will add additional encoders/connectors,
such as eDP, HDMI.

The basic "crtc" for rockchip is a "VOP" - Video Output Processor.
the vop devices found on Rockchip rk3288 Soc, rk3288 soc have two similar
Vop devices. Vop devices support iommu mapping, we use dma-mapping API with
ARM_DMA_USE_IOMMU.

Resent v7 email to fix mail style.

Changes in v2:
- add DRM master device node to list all display nodes that comprise
  the graphics subsystem.
- use the component framework to defer main drm driver probe
  until all VOP devices have been probed.
- use dma-mapping API with ARM_DMA_USE_IOMMU, create dma mapping by
  master device and each vop device can shared the drm dma mapping.
- use drm_crtc_init_with_planes and drm_universal_plane_init.
- remove unnecessary middle layers.
- add cursor set, move funcs to rockchip drm crtc.
- add vop reset.

Changes in v3:
- change "crtc->fb" to "crtc->primary-fb"
Adviced by Daniel Vetter
- init cursor plane with universal api, remove unnecessary cursor set,move 

Changes in v4:
Adviced by David Herrmann
- remove drm_platform_*() usage, use register drm device directly.
Adviced by Rob Clark
- remove special mmap ioctl, do userspace mmap with normal mmap() or mmap offset

Changes in v5:
Adviced by Arnd Bergmann
- doing DMA start with a 32-bit masks with dma_mask and dma_coherent_mark
- fix some incorrect dependencies.
Adviced by Boris BREZILLON
- fix some mistake and bugs. 
Adviced by Daniel Vetter
- drop all special ioctl and use generic kms ioctl instead.
Adviced by Rob Clark
- use unlocked api for drm_fb_helper_restore_fbdev_mode.
- remove unused rockchip_gem_prime_import_sg_table.

Changes in v6:
- set gem buffer pitch 64 bytes align, needed by mali gpu.
Adviced by Daniel Kurtz
- fix some mistake, bugs, remove unused define, more better code style etc. 
- use clk_prepare()/unprepare() at probe()/remove() and clk_enable()/disable()
  at runtime instead of clk_prepare_enable().
- provide a help function from vop for encoder to do mode config, instead of
  using drm_diaplay_mode private method.
- change vop mode_set timing to make it more safely. 

Changes in v7:
- fix memory leakage problem.

Mark yao (3):
  drm: rockchip: Add basic drm driver
  dt-bindings: video: Add for rockchip display subsytem
  dt-bindings: video: Add documentation for rockchip vop

 .../devicetree/bindings/video/rockchip-drm.txt     |   19 +
 .../devicetree/bindings/video/rockchip-vop.txt     |   58 +
 drivers/gpu/drm/Kconfig                            |    2 +
 drivers/gpu/drm/Makefile                           |    1 +
 drivers/gpu/drm/rockchip/Kconfig                   |   17 +
 drivers/gpu/drm/rockchip/Makefile                  |    8 +
 drivers/gpu/drm/rockchip/rockchip_drm_drv.c        |  516 +++++++
 drivers/gpu/drm/rockchip/rockchip_drm_drv.h        |   61 +
 drivers/gpu/drm/rockchip/rockchip_drm_fb.c         |  201 +++
 drivers/gpu/drm/rockchip/rockchip_drm_fb.h         |   28 +
 drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c      |  230 ++++
 drivers/gpu/drm/rockchip/rockchip_drm_fbdev.h      |   20 +
 drivers/gpu/drm/rockchip/rockchip_drm_gem.c        |  345 +++++
 drivers/gpu/drm/rockchip/rockchip_drm_gem.h        |   55 +
 drivers/gpu/drm/rockchip/rockchip_drm_vop.c        | 1422 ++++++++++++++++++++
 drivers/gpu/drm/rockchip/rockchip_drm_vop.h        |  196 +++
 16 files changed, 3179 insertions(+)

-- 
1.7.9.5


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