[Intel-gfx] [PATCH] Revert "i965: Always use Y-tiled buffers on SKL+"

Mon May 9 07:05:02 UTC 2016

On Mon, May 02, 2016 at 11:38:15AM -0700, Kenneth Graunke wrote:
> On Monday, May 2, 2016 3:40:14 PM PDT Daniel Stone wrote:
> > This commit broke Weston/KMS, and presumably also xf86-video-modesetting.
> 
> For me, xf86-video-modesetting, and xf86-video-intel/SNA+DRI3 both work
> fine with Y-tiling enabled.  However, it does break UXA+DRI3.
> 
> I'm curious why xf86-video-modesetting would continue to work, while
> Weston/KMS broke...it sounds like modesetting shouldn't work either...

I think -modesetting should keep working as long as you copy from the
client buffer's to the screen. For frontbuffer flipping it /should/ blow
up I think too.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch