[RFC 10/16] drm/nouveau/timer: skip calibration on GK20A

Alexandre Courbot acourbot at nvidia.com
Tue Feb 4 00:39:07 PST 2014


On 02/04/2014 12:55 PM, Ben Skeggs wrote:
> On Sat, Feb 1, 2014 at 1:16 PM, Alexandre Courbot <acourbot at nvidia.com> wrote:
>> GK20A's timer is directly attached to the system timer and cannot be
>> calibrated. Skip the calibration phase on that chip since the
>> corresponding registers do not exist.
> Just a curiosity:  What timer resolution does the HW initialise at?

On T124 the timer input is the oscillator clock, which depending on the 
device can run between 12 and 48Mhz (IIUC).


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