Re: [Intel-gfx] [PATCH 4/5] drm/i915: PSR VLV: Add single frame update.

2015-06-17 Thread Daniel Vetter
On Fri, Apr 10, 2015 at 8:15 PM, Rodrigo Vivi wrote: > > /** > + * intel_psr_single_frame_update - Single Frame Update > + * @dev: DRM device > + * > + * Some platforms support a single frame update feature that is used to > + * send and update only one frame on Remote Frame Buffer. > + * So far

Re: [Intel-gfx] [PATCH 4/5] drm/i915: PSR VLV: Add single frame update.

2015-04-14 Thread Vivi, Rodrigo
On Tue, 2015-04-14 at 20:04 +0200, Daniel Vetter wrote: > On Fri, Apr 10, 2015 at 11:15:10AM -0700, Rodrigo Vivi wrote: > > According to spec: "In PSR HW or SW mode, SW set this bit before writing > > registers for a flip. It will be self-clear when it gets to the PSR > > active state." > > > > So

Re: [Intel-gfx] [PATCH 4/5] drm/i915: PSR VLV: Add single frame update.

2015-04-14 Thread Daniel Vetter
On Fri, Apr 10, 2015 at 11:15:10AM -0700, Rodrigo Vivi wrote: > According to spec: "In PSR HW or SW mode, SW set this bit before writing > registers for a flip. It will be self-clear when it gets to the PSR > active state." > > Some versions of spec mention that this is needed when in > "Persisten