Re: VC4 DRM

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Eric, thanks for answer,

I am in doubt the type of my panel. It is Himax HX8379A-based panel.
Is there a deterministic way to find  out which type of panel  I have, video or command ?


Sergey


On 12/17/18 9:12 PM, Eric Anholt wrote:
Sergey Suloev <ssuloev@xxxxxxxxxxxxx> writes:

Eric, Noralf,

could either of you answer a question about Vc4 DRM, please ?

I am trying to connect MIPI DSI display to VC4 but it isn't showing
anything. I have noticed
that the DSI host  transfer() method vc4_dsi_host_transfer gets called
for the commands that
I am sending from my panel driver, but not for pixel data.

My question: are pixel data normally transferred the same method within
vc4_dsi driver
or any "behind the scene" way ?
The transfer function isn't used for pixel data in video mode.  The vc4
panel has never been used for command mode panels, so if you have one of
those it will probably be extra work.
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