Re: [Intel-gfx] [PATCH 10/15] drm/i915: Force common lane on for the PPS kick on CHV

2015-08-19 Thread Ville Syrjälä
On Wed, Aug 19, 2015 at 07:51:57AM +0530, Deepak wrote: > > > On 07/09/2015 02:15 AM, ville.syrj...@linux.intel.com wrote: > > From: Ville Syrjälä > > > > With DPIO powergating active the DPLL can't be accessed unless > > something else is keeping the common lane in the channel on. > > That mean

Re: [Intel-gfx] [PATCH 10/15] drm/i915: Force common lane on for the PPS kick on CHV

2015-08-18 Thread Deepak
On 07/09/2015 02:15 AM, ville.syrj...@linux.intel.com wrote: From: Ville Syrjälä With DPIO powergating active the DPLL can't be accessed unless something else is keeping the common lane in the channel on. That means the PPS kick procedure could fail to enable the PLL. Power up some data lane

[Intel-gfx] [PATCH 10/15] drm/i915: Force common lane on for the PPS kick on CHV

2015-07-08 Thread ville . syrjala
From: Ville Syrjälä With DPIO powergating active the DPLL can't be accessed unless something else is keeping the common lane in the channel on. That means the PPS kick procedure could fail to enable the PLL. Power up some data lanes to force the common lane to power up so that the PLL can be ena