[PATCH] drm: document DRM_IOCTL_MODE_GETFB2

[Daniel Vetter]

On Mon, Nov 15, 2021 at 12:09:47PM +0000, Simon Ser wrote:
> On Thursday, November 11th, 2021 at 12:50, Daniel Stone <daniel at fooishbar.org> wrote:
> 
> > In fairness it is perfectly clear, it's just that I never considered
> > calling it without master/admin because why would you ever do that?
> 
> FWIW, drm_info does it to display the current buffers metadata. Pretty
> useful when debugging.

We also have the state debugfs file for this, which should dump everything
we can decode. If it doesn't we should extend it there ideally, instead of
hand-rolling some tool that users/devs then don't have handy. debugfs
tends to be there (at least for developers).
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch