Re: [PATCH v9 15/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed

2015-11-12 Thread Rob Herring
On Thu, Nov 12, 2015 at 09:27:21AM +0800, Yakir Yang wrote: > Hi Rob, > > On 11/12/2015 07:10 AM, Rob Herring wrote: > >On Fri, Oct 30, 2015 at 09:09:15AM +0800, Yakir Yang wrote: > >>Some edp screen do not have hpd signal, so we can't just return > >>failed when hpd plug in detect failed. > >> >

Re: [PATCH v9 15/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed

2015-11-11 Thread Rob Herring
On Fri, Oct 30, 2015 at 09:09:15AM +0800, Yakir Yang wrote: > Some edp screen do not have hpd signal, so we can't just return > failed when hpd plug in detect failed. > > This is an hardware property, so we need add a devicetree property > "analogix,need-force-hpd" to indicate this sutiation. >

[PATCH v9 15/17] drm: bridge: analogix/dp: try force hpd after plug in lookup failed

2015-10-29 Thread Yakir Yang
Some edp screen do not have hpd signal, so we can't just return failed when hpd plug in detect failed. This is an hardware property, so we need add a devicetree property "analogix,need-force-hpd" to indicate this sutiation. Tested-by: Heiko Stuebner Tested-by: Javier Martinez