Question about porting VCE1 to amdgpu

[Alexandre Demers]

Hi,

I've been working on porting VCE1 from radeon to amdgpu in the last few
weeks. I'm pretty much done and I've enabled the functionality to see how
it goes. However, I ended up with an error on the firmware validation (size
doesn't seem to fit), thus failing completely in loading the driver. I'm
testing on a R9 280X (Tahiti).

Three questions then:
- Would we need a different firmware version with a different "hdr" for the
amdgpu driver?
- Wouldn't it be better to continue loading the driver while having VCE
disabled IF we fail when loading or validating the FW? Completely failing
to load the driver for this reason seems overkill IMO, since nothing has
been loaded in memory and no registry have been modified up to that point.
- Would it be a good idea to send a patch as a RFC so some of you could
help me finish the job and maybe pinpoint where the last modifications need
to be done?

Thank you!
Alexandre Demers
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