Re: [PATCH v4 4/4] drm/rockchip: support dp training outside dp firmware

2018-05-16 Thread Brian Norris
+ Kishon Hi, On Tue, May 15, 2018 at 11:22:40AM +0800, Lin Huang wrote: > DP firmware uses fixed phy config values to do training, but some > boards need to adjust these values to fit for their unique hardware > design. So get phy config values from dts and use software link training > instead

Re: [PATCH v4 4/4] drm/rockchip: support dp training outside dp firmware

2018-05-16 Thread Brian Norris
On Tue, May 15, 2018 at 11:22:40AM +0800, Lin Huang wrote: > DP firmware uses fixed phy config values to do training, but some > boards need to adjust these values to fit for their unique hardware > design. So get phy config values from dts and use software link training > instead of relying on

[PATCH v4 4/4] drm/rockchip: support dp training outside dp firmware

2018-05-14 Thread Lin Huang
DP firmware uses fixed phy config values to do training, but some boards need to adjust these values to fit for their unique hardware design. So get phy config values from dts and use software link training instead of relying on firmware, if software training fail, keep firmware training as a