[PATCH 2/3] drm/vmwgfx: Copy DRM hash-table code into driver

[Thomas Zimmermann]

Hi

Am 15.11.21 um 18:00 schrieb Zack Rusin:
> On Mon, 2021-11-15 at 13:55 +0100, Thomas Zimmermann wrote:
>> Besides some legacy code, vmwgfx is the only user of DRM's hash-
>> table implementation. Copy the code into the driver, so that the
>> core code can be retired.
>>
>> No functional changes. However, the real solution for vmwgfx is to
>> use Linux' generic hash-table functions.
> 
> The change looks good. fwiw I'd appreciate a heads up for changes like
> that because VMware is building up a kernel team and replacing
> drm_open_hash with the hasttable.h would be a great task for our new
> team. I mean it still is but we could have done it in sync (replace
> drm_open_hash with hashtable in vmwgfx and remove drm_open_hash) rather
> than having a transitional release.

I don't mind coordinating the work better, but I'm not sure how well 
this actually works in practice.

There's been recently a push towards full-DRM graphics and abandoning 
fbdev entirely. That's one of my goals at Suse and Javier works on a 
similar task on the Redhat side. Reducing the minimum size of the DRM 
core is one of the tasks. The patchset helps with that.

But our schedules usually revolve around distro releases. And it's hard 
to synchronize with outside tasks. Training your kernel might take 
longer or might go quickly.

Best regards
Thomas

> 
> z
> 

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev
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