Re: [PATCH v6 00/14] drm/exynos: support LCD I80 interface display

[Inki Dae <inki.dae@samsung.com>]

On 2014년 07월 17일 18:01, YoungJun Cho wrote:
> Hi,
> 
> This series adds LCD I80 interface display support for Exynos DRM driver.
> The FIMD(display controller) specification describes it as "LCD I80 interface"
> and the DSI specification describes it as "Command mode interface".
> 
> This is based on exynos-drm-next branch.
> 
> The previous patches,
> RFC: http://www.spinics.net/lists/dri-devel/msg58898.html
> V1: http://www.spinics.net/lists/dri-devel/msg59291.html
> V2: http://www.spinics.net/lists/dri-devel/msg59867.html
> V3: http://www.spinics.net/lists/dri-devel/msg60708.html
> V4: http://www.spinics.net/lists/dri-devel/msg60943.html
> V5: http://www.spinics.net/lists/dri-devel/msg62956.html
> 
> Changelog v2:
> - Fixes typo and removes unnecessary error log. (commented by Andrzej Hazda)
> - Adds missed pendlig_flip flag clear points. (commented by Daniel Kurtz)
> 
> Changelog v3:
> - Removes generic command mode and command mode display timing interface.
> - Moves I80 interface timings from panel DT to the FIMD(display controller) DT.
> 
> Changelog v4:
> - Removes exynos5 sysreg(syscon) DT bindings and node from dtsi because
>   it was already updated by linux-samsung-soc. (commented by Vivek Gautam)
> 
> Changelog v5:
> - Fixes FIMD vidcon0 register relevant code.
> - Fixes panel gamma table, disable sequence.
> - Slitely updates for code cleanup.
> 
> Changelog v6:
> - Removes pass TE host ops in dsi and exynos dsi uses TE irq handler instead,
>   and it is related with the TE GPIO of panel. (commented by Thierry Reding)
> 
> Patches 1 and 2 fix trivial bugs.
> 
> Patches 3, 4, 5 and 6 implement FIMD(display controller) I80 interface.
> The MIPI DSI command mode based panel generates Tearing Effect synchronization
> signal between MCU and FB to display video image, and FIMD should trigger to
> transfer video image at this signal.
> So the panel generates it and the dsi should receive the TE IRQ and call TE
> handler chains to notify it to the FIMD.
> 
> Patches 7 and 8 implement to use Exynos5410 / 5420 / 5440 SoC DSI driver
> which is different from previous Exynos4 SoCs for some registers control.
> 
> Patches 9 and 10 introduce MIPI DSI command mode based Samsung S6E3FA0 AMOLED
> 5.7" LCD drm panel driver.
> 
> The ohters add DT property nodes to support MIPI DSI command mode.
> 
> I welcome any comments.
> 
> Thank you.
> Best regards YJ
> 
> YoungJun Cho (14):
>   drm/exynos: dsi: move the EoT packets configuration point
>   drm/exynos: use wait_event_timeout() for safety usage
>   ARM: dts: samsung-fimd: add LCD I80 interface specific properties
>   drm/exynos: add TE handler to support LCD I80 interface
>   drm/exynos: dsi: add TE interrupt handler to support LCD I80 interface
>   drm/exynos: fimd: support LCD I80 interface
>   ARM: dts: exynos_dsim: add exynos5410 compatible to DT bindings
>   drm/exynos: dsi: add driver data to support Exynos5410/5420/5440 SoCs
>   ARM: dts: s6e3fa0: add DT bindings
>   drm/panel: add S6E3FA0 driver
>   ARM: dts: exynos4: add system register property
>   ARM: dts: exynos5: add system register property
>   ARM: dts: exynos5420: add mipi-phy node
>   ARM: dts: exynos5420: add dsi node

Piked them up except patch 9 and 10. The two patches are needed for more
review and consensus

Thanks,
Inki Dae

> 
>  .../devicetree/bindings/panel/samsung,s6e3fa0.txt  |  46 ++
>  .../devicetree/bindings/video/exynos_dsim.txt      |   4 +-
>  .../devicetree/bindings/video/samsung-fimd.txt     |  28 ++
>  arch/arm/boot/dts/exynos4.dtsi                     |   1 +
>  arch/arm/boot/dts/exynos5.dtsi                     |   1 +
>  arch/arm/boot/dts/exynos5420.dtsi                  |  20 +
>  drivers/gpu/drm/exynos/Kconfig                     |   1 +
>  drivers/gpu/drm/exynos/exynos_drm_crtc.c           |  15 +-
>  drivers/gpu/drm/exynos/exynos_drm_crtc.h           |   7 +
>  drivers/gpu/drm/exynos/exynos_drm_drv.h            |   3 +
>  drivers/gpu/drm/exynos/exynos_drm_dsi.c            | 266 +++++++++-
>  drivers/gpu/drm/exynos/exynos_drm_fimd.c           | 276 +++++++++--
>  drivers/gpu/drm/panel/Kconfig                      |   7 +
>  drivers/gpu/drm/panel/Makefile                     |   1 +
>  drivers/gpu/drm/panel/panel-s6e3fa0.c              | 541 +++++++++++++++++++++
>  include/video/samsung_fimd.h                       |   3 +-
>  16 files changed, 1146 insertions(+), 74 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/panel/samsung,s6e3fa0.txt
>  create mode 100644 drivers/gpu/drm/panel/panel-s6e3fa0.c
> 

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