Re: [Intel-gfx] [PATCH v3 3/4] drm/i915: Skip CURBASE write when nothing changed

2014-09-15 Thread Chris Wilson
On Mon, Sep 15, 2014 at 04:36:38PM +0300, Ville Syrjälä wrote: > On Sat, Sep 13, 2014 at 05:20:10PM +0100, Chris Wilson wrote: > > On Fri, Sep 12, 2014 at 08:53:34PM +0300, ville.syrj...@linux.intel.com > > wrote: > > > From: Ville Syrjälä > > > > > > Only write CURBASE when something about the

Re: [Intel-gfx] [PATCH v3 3/4] drm/i915: Skip CURBASE write when nothing changed

2014-09-15 Thread Ville Syrjälä
On Sat, Sep 13, 2014 at 05:20:10PM +0100, Chris Wilson wrote: > On Fri, Sep 12, 2014 at 08:53:34PM +0300, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > Only write CURBASE when something about the cursor changed. Also > > eliminate the unnecessary posting read after writing

Re: [Intel-gfx] [PATCH v3 3/4] drm/i915: Skip CURBASE write when nothing changed

2014-09-13 Thread Chris Wilson
On Fri, Sep 12, 2014 at 08:53:34PM +0300, ville.syrj...@linux.intel.com wrote: > From: Ville Syrjälä > > Only write CURBASE when something about the cursor changed. Also > eliminate the unnecessary posting read after writing CURCNTR. > > Signed-off-by: Ville Syrjälä > --- > drivers/gpu/drm/i91

[Intel-gfx] [PATCH v3 3/4] drm/i915: Skip CURBASE write when nothing changed

2014-09-12 Thread ville . syrjala
From: Ville Syrjälä Only write CURBASE when something about the cursor changed. Also eliminate the unnecessary posting read after writing CURCNTR. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_display.c | 10 ++ 1 file changed, 6 insertions(+), 4 deletions(-) diff --git