Re: [Intel-gfx] Scanline wait hack for IVB

2012-03-30 Thread Keith Packard
<#part sign=pgpmime> On Fri, 30 Mar 2012 14:45:16 -0700, Jesse Barnes wrote: > So it looks like we can't use this on the BLT ring in SNB or IVB. So > we'll need a render ring BLT routine to use here instead (hello SNA). Or a semaphore to block the render ring? -- keith.pack...@intel.com

Re: [Intel-gfx] Scanline wait hack for IVB

2012-03-30 Thread Jesse Barnes
On Fri, 30 Mar 2012 13:30:17 -0700 Jesse Barnes wrote: > You need to set DE_RRMR (offset 0x44050) to unmask scanline waits, but > this at least doesn't hang on my IVB. > > However I still see tearing on my config, need to verify the pipe and > inclusive/exclusive setting. So it looks like we ca

[Intel-gfx] Scanline wait hack for IVB

2012-03-30 Thread Jesse Barnes
You need to set DE_RRMR (offset 0x44050) to unmask scanline waits, but this at least doesn't hang on my IVB. However I still see tearing on my config, need to verify the pipe and inclusive/exclusive setting. -- Jesse Barnes, Intel Open Source Technology Center diff --git a/src/i830_reg.h b/src/