Re: [Intel-gfx] [PATCH 5/10] drm/i915/bdw: Add support for DRRS to switch RR

2015-01-21 Thread Ramalingam C
On Friday 16 January 2015 04:30 AM, Rodrigo Vivi wrote: On Fri, Jan 9, 2015 at 12:56 PM, Vandana Kannan wrote: 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 p

Re: [Intel-gfx] [PATCH 5/10] drm/i915/bdw: Add support for DRRS to switch RR

2015-01-15 Thread Rodrigo Vivi
On Fri, Jan 9, 2015 at 12:56 PM, Vandana Kannan wrote: > 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 &

[Intel-gfx] [PATCH 5/10] drm/i915/bdw: Add support for DRRS to switch RR

2015-01-09 Thread 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 be used in the next fram