[PATCH v3 0/7] drm/i2c: adv7511: ADV7533 support

[Xinliang Liu]

On 9 March 2016 at 18:57, Archit Taneja <architt at codeaurora.org> wrote:
> ADV7533 is a DSI to HDMI encoder chip. It's like ADV7511, but with an
> additional DSI RX block that takes in DSI video mode output.
>
> Trying to get this driver merged has had some challenges:
>
> - ADV7533 has an I2C control bus, but acts as a DSI peripheral too.
>   After discussions, it was concluded that we'd want to provide an
>   API to create MIPI DSI devices, rather than expose two different
>   interfaces on DT. The first version [1] tried the former approach
>   the second version [2] showed how the driver would look like if
>   exposed 2 DT nodes. This lateset patchset relies on the MIPI DSI
>   device creation API provided by [3], this has been accepted and
>   should be merged for 4.6.
>
> - The driver was designed as an I2C slave encoder. When ADV7533
>   patches were posted [1], it was modelled as a bridge, but ADV7511
>   and others were still left as I2C slave encoders. This wasn't
>   accepted. After discussions, it was decided that ADV7511 too would
>   be converted into a bridge driver, and all the users of ADV7511
>   should assume it is a bridge. This bridge conversion was done in
>   [4]. There is still some debate over whether the bridge driver be
>   involved in the connector creation, or the KMS driver that has
>   the whole view of the display pipeline. This discussion shouldn't
>   affect this patch set, though.
>
> This patch set enables ADV7533 support with the above two issues
> now resolved. It also incorporates ADV7533 specific features and fixes
> that we've discovered since the first version of this patch was posted.
>
> Tested on ADV7533 chips on DB410c. It should work on the Hikey board too.
> I'd appreaciate if someone could test it on a ADV7511 platform since I
> don't have one.
>
> [4]
> https://lists.freedesktop.org/archives/dri-devel/2016-January/098287.html
>
> [3]
> https://lkml.org/lkml/2016/2/12/67
>
> [2]
> https://lists.freedesktop.org/archives/dri-devel/2015-September/089884.html
>
> [1]:
> https://lists.freedesktop.org/archives/dri-devel/2015-July/087088.html
>
> Archit Taneja (7):
>   drm/i2c: adv7511: Convert to drm_bridge
>   drm/i2c: adv7511: Fix mutex deadlock when interrupts are disabled
>   drm/i2c: adv7511: Initial support for ADV7533
>   drm/i2c: adv7511: Create a MIPI DSI device
>   drm/i2c: adv7511: Use internal timing generator
>   drm/i2c: adv7511: Change number of DSI lanes dynamically
>   dt-bindings: drm/bridge: Update bindings for ADV7533
>
>  .../bindings/display/bridge/adi,adv7511.txt        |  25 +-
>  drivers/gpu/drm/i2c/adv7511.c                      | 539 +++++++++++++++++----
>  2 files changed, 476 insertions(+), 88 deletions(-)
>
> --
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> hosted by The Linux Foundation
>

This patch set is Tested-by: Xinliang Liu <xinliang.liu at linaro.org>

Thanks
-xinliang