[U-Boot] [PATCH 7/7] video_display: Add Xilinx LogiCore DP TX

[Mario Six]

Hi Simon,

On Thu, Apr 12, 2018 at 6:38 PM, Simon Glass <sjg at chromium.org> wrote:
> Hi Mario,
>
> On 11 April 2018 at 01:27, Mario Six <mario.six at gdsys.cc> wrote:
>> Hi Simon,
>>
>> On Fri, Mar 30, 2018 at 10:41 AM, Simon Glass <sjg at chromium.org> wrote:
>>> Hi Mario,
>>>
>>> On 28 March 2018 at 20:40, Mario Six <mario.six at gdsys.cc> wrote:
>>>> Add a driver for the Xilinx LogiCORE DisplayPort IP core.
>>>>
>>>> Signed-off-by: Mario Six <mario.six at gdsys.cc>
>>>> ---
>>>>  drivers/video/Kconfig                |    8 +
>>>>  drivers/video/Makefile               |    1 +
>>>>  drivers/video/logicore_dp_dpcd.h     |  342 ++++++
>>>>  drivers/video/logicore_dp_tx.c       | 1974 ++++++++++++++++++++++++++++++++++
>>>>  drivers/video/logicore_dp_tx.h       |   40 +
>>>>  drivers/video/logicore_dp_tx_regif.h |  365 +++++++
>>>>  6 files changed, 2730 insertions(+)
>>>>  create mode 100644 drivers/video/logicore_dp_dpcd.h
>>>>  create mode 100644 drivers/video/logicore_dp_tx.c
>>>>  create mode 100644 drivers/video/logicore_dp_tx.h
>>>>  create mode 100644 drivers/video/logicore_dp_tx_regif.h
>>>
>>> Is it possible to have common code with the other DP drivers?
>>>
>>
>> While the DP transmitters, of course, all do similar things (e.g. they all
>> eventually set a lane count), the implementation details differ greatly, and I
>> think trying to merge them would only make things more confusing, since the
>> drivers tend to be pretty elaborate (looking at the exynos driver, for
>> example).
>
> OK. Are they merged in Linux?
>

The Linux DP drivers don't share a common code base either (grepping
"lane_count" in drivers/gpu shows different implementations of lane setting and
link training).

> Regards,
> Simon
>

Best regards,
Mario