Re: [Intel-gfx] FW: [PATCH v8 3/9] drm/i915: Make sprite updates atomic

2014-05-19 Thread Arun Murthy
On Mon, May 19, 2014 at 4:19 PM, Ville Syrjälä wrote: > On Mon, May 19, 2014 at 04:08:09PM +0530, Arun Murthy wrote: >> > Add a mechanism by which we can evade the leading edge of vblank. This >> > guarantees that no two sprite register writes will straddle on either >> > side of the vblank start,

Re: [Intel-gfx] FW: [PATCH v8 3/9] drm/i915: Make sprite updates atomic

2014-05-19 Thread Arun Murthy
> Add a mechanism by which we can evade the leading edge of vblank. This > guarantees that no two sprite register writes will straddle on either > side of the vblank start, and that means all the writes will be latched > together in one atomic operation. Here only one sprite update followed by th

Re: [Intel-gfx] FW: [PATCH v8 3/9] drm/i915: Make sprite updates atomic

2014-05-19 Thread Ville Syrjälä
On Mon, May 19, 2014 at 04:08:09PM +0530, Arun Murthy wrote: > > Add a mechanism by which we can evade the leading edge of vblank. This > > guarantees that no two sprite register writes will straddle on either > > side of the vblank start, and that means all the writes will be latched > > together