Re: [Intel-gfx] [PATCH 2/7] drm/i915: Fix PSR disable sequence on core platforms.

2015-08-24 Thread Vivi, Rodrigo
On Mon, 2015-08-24 at 14:14 +, Zanoni, Paulo R wrote: > Em Qui, 2015-08-20 às 17:55 -0700, Rodrigo Vivi escreveu: > > According to spec the disable sequence is: > > Driver will do the following on PSR Disable. > > 1. Disable PSR in PSR control register, SRD_CTL[bit 31]. > > 2. Poll on PSR idle

Re: [Intel-gfx] [PATCH 2/7] drm/i915: Fix PSR disable sequence on core platforms.

2015-08-24 Thread Zanoni, Paulo R
Em Qui, 2015-08-20 às 17:55 -0700, Rodrigo Vivi escreveu: > According to spec the disable sequence is: > Driver will do the following on PSR Disable. > 1. Disable PSR in PSR control register, SRD_CTL[bit 31]. > 2. Poll on PSR idle > 3. Wait for VBlank > 4. Disable VSC DIP. Shouldn't this be done a

[Intel-gfx] [PATCH 2/7] drm/i915: Fix PSR disable sequence on core platforms.

2015-08-20 Thread Rodrigo Vivi
According to spec the disable sequence is: Driver will do the following on PSR Disable. 1. Disable PSR in PSR control register, SRD_CTL[bit 31]. 2. Poll on PSR idle 3. Wait for VBlank 4. Disable VSC DIP. Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_psr.c | 10 ++ 1 file cha