[PATCH 09/20] drm fb_helper: use lists for crtcs.

Dave Airlie airlied at gmail.com
Fri Feb 3 02:04:27 PST 2012


On Wed, Feb 1, 2012 at 10:38 AM, Sascha Hauer <s.hauer at pengutronix.de> wrote:
> The fb helper uses fixed size arrays for the associated crtcs.
> This is an unnecessary limitation, so instead use a list to
> store the crtcs and allocate them dynamically.

I need more reasons on why this is a unnecessary limitation, for what?

Its a lot less cache friendly to use a linked list here for not much gain,

do you want to attach/detach crtcs from fb at runtime?

Dave.


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