[RFC PATCH v2 1/3] drivers/accel: define kconfig and register a new major

Jason Gunthorpe jgg at nvidia.com
Mon Nov 7 13:10:36 UTC 2022


On Mon, Nov 07, 2022 at 03:01:08PM +0200, Oded Gabbay wrote:
> I don't agree with your statement that it should be "a layer over top of DRM".
> Anything on top of DRM is a device driver.
> Accel is not a device driver, it is a new type of drm minor / drm driver.

Yeah, I still think this is not the right way, you are getting almost
nothing from DRM and making everything more complicated in the
process.

> The only alternative imo to that is to abandon the idea of reusing
> drm, and just make an independant accel core code.

Not quite really, layer it properly and librarize parts of DRM into
things accel can re-use so they are not intimately tied to the DRM
struct device notion.

IMHO this is much better, because accel has very little need of DRM to
manage a struct device/cdev in the first place.

Jason


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