Re: [Intel-gfx] [PATCH] drm/i915/icl: Delay hotplug sequence for TC ports

2019-02-01 Thread Imre Deak
Hi Jose, On Wed, Jan 23, 2019 at 10:51:35AM -0800, José Roberto de Souza wrote: > Some unpowered USB type-c dongles requires some time to power on > before being able to process aux channel transactions. > > It was not a problem for older platforms because there was a hardware > bridge between DD

[Intel-gfx] [PATCH] drm/i915/icl: Delay hotplug sequence for TC ports

2019-01-23 Thread José Roberto de Souza
Some unpowered USB type-c dongles requires some time to power on before being able to process aux channel transactions. It was not a problem for older platforms because there was a hardware bridge between DDI/DP ports and type-c controller adding a implicit delay that hid this issue but ICL have t