Re: [Intel-gfx] [PATCH 20/20] drm/i915: add POSTING_READs to the IRQ init/reset macros

2014-03-18 Thread Ben Widawsky
On Fri, Mar 07, 2014 at 08:10:36PM -0300, Paulo Zanoni wrote: > From: Paulo Zanoni > > I previously chose to keep the POSTING_READ calls as something to be > done by the macro callers, but the conclusion after discussing this on > the mailing list is that leaving the POSTING_READ calls to the mac

[Intel-gfx] [PATCH 20/20] drm/i915: add POSTING_READs to the IRQ init/reset macros

2014-03-07 Thread Paulo Zanoni
From: Paulo Zanoni I previously chose to keep the POSTING_READ calls as something to be done by the macro callers, but the conclusion after discussing this on the mailing list is that leaving the POSTING_READ calls to the macros makes the code safer, and the additional useless register reads shou