Re: [Intel-gfx] [PATCH] drm/i915: Flush using only the correct base address register

2012-10-30 Thread Daniel Vetter
On Tue, Oct 30, 2012 at 09:01:57AM -0200, Paulo Zanoni wrote: > Hi > > 2012/10/29 Damien Lespiau : > > From: Damien Lespiau > > > > We were writing DSP_ADDR and DSP_SURF unconditionally. This did not > > trigger an unclaimed write before HSW as the address of DSP_ADDR has > > been repurposed as D

Re: [Intel-gfx] [PATCH] drm/i915: Flush using only the correct base address register

2012-10-30 Thread Paulo Zanoni
Hi 2012/10/29 Damien Lespiau : > From: Damien Lespiau > > We were writing DSP_ADDR and DSP_SURF unconditionally. This did not > trigger an unclaimed write before HSW as the address of DSP_ADDR has > been repurposed as DSP_LINOFF. > > On HSW, though, DSP_LINOFF has been removed and then writting t

[Intel-gfx] [PATCH] drm/i915: Flush using only the correct base address register

2012-10-29 Thread Damien Lespiau
From: Damien Lespiau We were writing DSP_ADDR and DSP_SURF unconditionally. This did not trigger an unclaimed write before HSW as the address of DSP_ADDR has been repurposed as DSP_LINOFF. On HSW, though, DSP_LINOFF has been removed and then writting to it triggers an unclaimed write. This patc