Re: [PATCHv2 01/31] drm/omap: work-around for errata i886

2017-03-28 Thread Tomi Valkeinen
On 28/03/17 08:45, Jyri Sarha wrote: > On 03/24/17 11:40, Tomi Valkeinen wrote: >> DRA7 errata i886 (FPDLink PLL Unlocks With Certain SoC PLL M/N Values) >> says that FPDLink is sensitive to jitter on the vout clock, and that low >> PLL M and N values result in more jitter than high M and N values.

Re: [PATCHv2 01/31] drm/omap: work-around for errata i886

2017-03-27 Thread Jyri Sarha
On 03/24/17 11:40, Tomi Valkeinen wrote: > DRA7 errata i886 (FPDLink PLL Unlocks With Certain SoC PLL M/N Values) > says that FPDLink is sensitive to jitter on the vout clock, and that low > PLL M and N values result in more jitter than high M and N values. > > This patch implements a workaround f

[PATCHv2 01/31] drm/omap: work-around for errata i886

2017-03-24 Thread Tomi Valkeinen
DRA7 errata i886 (FPDLink PLL Unlocks With Certain SoC PLL M/N Values) says that FPDLink is sensitive to jitter on the vout clock, and that low PLL M and N values result in more jitter than high M and N values. This patch implements a workaround for the problem by changing the PLL setup to search