Re: [PATCH v6 13/23] drm/rockchip: dw_hdmi: Set cur_ctr to 0 always

2022-02-19 Thread Dmitry Osipenko
17.02.2022 11:29, Sascha Hauer пишет: > From: Douglas Anderson > > Jitter was improved by lowering the MPLL bandwidth to account for high > frequency noise in the rk3288 PLL. In each case MPLL bandwidth was > lowered only enough to get us a comfortable margin. We believe that > lowering the

Re: [PATCH v6 13/23] drm/rockchip: dw_hdmi: Set cur_ctr to 0 always

2022-02-19 Thread Dmitry Osipenko
17.02.2022 18:12, Sascha Hauer пишет: > On Thu, Feb 17, 2022 at 05:00:37PM +0300, Dmitry Osipenko wrote: >> 17.02.2022 11:29, Sascha Hauer пишет: >>> From: Douglas Anderson >>> >>> Jitter was improved by lowering the MPLL bandwidth to account for high >>> frequency noise in the rk3288 PLL. In

Re: [PATCH v6 13/23] drm/rockchip: dw_hdmi: Set cur_ctr to 0 always

2022-02-17 Thread Sascha Hauer
On Thu, Feb 17, 2022 at 05:00:37PM +0300, Dmitry Osipenko wrote: > 17.02.2022 11:29, Sascha Hauer пишет: > > From: Douglas Anderson > > > > Jitter was improved by lowering the MPLL bandwidth to account for high > > frequency noise in the rk3288 PLL. In each case MPLL bandwidth was > > lowered

[PATCH v6 13/23] drm/rockchip: dw_hdmi: Set cur_ctr to 0 always

2022-02-17 Thread Sascha Hauer
From: Douglas Anderson Jitter was improved by lowering the MPLL bandwidth to account for high frequency noise in the rk3288 PLL. In each case MPLL bandwidth was lowered only enough to get us a comfortable margin. We believe that lowering the bandwidth like this is safe given sufficient