Re: [Intel-gfx] [PATCH 2/6] drm/i915/bdw: Add support for DRRS to switch RR

2015-02-20 Thread Rodrigo Vivi
On Thu, Feb 19, 2015 at 10:15 PM, Ramalingam C wrote: > Hi, > > > On Thursday 19 February 2015 10:55 PM, Rodrigo Vivi wrote: >> >> On Fri, Feb 13, 2015 at 2:03 AM, Ramalingam C >> wrote: >>> >>> From: Vandana Kannan >>> >>> For Broadwell, there is one instance of Transcoder MN values per >>> tra

Re: [Intel-gfx] [PATCH 2/6] drm/i915/bdw: Add support for DRRS to switch RR

2015-02-19 Thread Ramalingam C
Hi, On Thursday 19 February 2015 10:55 PM, Rodrigo Vivi wrote: On Fri, Feb 13, 2015 at 2:03 AM, Ramalingam C wrote: From: Vandana Kannan For Broadwell, there is one instance of Transcoder MN values per transcoder. For dynamic switching between multiple refreshr rates, M/N values may be repro

Re: [Intel-gfx] [PATCH 2/6] drm/i915/bdw: Add support for DRRS to switch RR

2015-02-19 Thread Rodrigo Vivi
On Fri, Feb 13, 2015 at 2:03 AM, Ramalingam C wrote: > From: Vandana Kannan > > For Broadwell, there is one instance of Transcoder MN values per transcoder. > For dynamic switching between multiple refreshr rates, M/N values may be > reprogrammed on the fly. Link N programming triggers update of

[Intel-gfx] [PATCH 2/6] drm/i915/bdw: Add support for DRRS to switch RR

2015-02-13 Thread Ramalingam C
From: Vandana Kannan For Broadwell, there is one instance of Transcoder MN values per transcoder. For dynamic switching between multiple refreshr rates, M/N values may be reprogrammed on the fly. Link N programming triggers update of all data and link M & N registers and the new M/N values will b