Re: [PATCH v2] drm/i915/vlv: Add cdclk workaround for DSI

2017-12-23 Thread Hans de Goede
Hi, On 20-12-17 15:04, Ville Syrjälä wrote: On Wed, Dec 20, 2017 at 11:50:17AM +0100, Hans de Goede wrote: At least on the Chuwi Vi8 (non pro/plus) the LCD panel will show an image shifted aprox. 20% to the left (with wraparound) and sometimes also wrong colors, showing that the panel

[PATCH v2] drm/i915/vlv: Add cdclk workaround for DSI

2017-12-21 Thread Hans de Goede
At least on the Chuwi Vi8 (non pro/plus) the LCD panel will show an image shifted aprox. 20% to the left (with wraparound) and sometimes also wrong colors, showing that the panel controller is starting with sampling the datastream somewhere mid-line. This happens after the first blanking and

Re: [PATCH v2] drm/i915/vlv: Add cdclk workaround for DSI

2017-12-20 Thread Ville Syrjälä
On Wed, Dec 20, 2017 at 11:50:17AM +0100, Hans de Goede wrote: > At least on the Chuwi Vi8 (non pro/plus) the LCD panel will show an image > shifted aprox. 20% to the left (with wraparound) and sometimes also wrong > colors, showing that the panel controller is starting with sampling the >