Re: radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-25 Thread Lennert Buytenhek
On Fri, Mar 23, 2012 at 03:42:44PM -0400, Alex Deucher wrote: Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27 Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to Mini DisplayPort converter has started to stop giving screen output on switching

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-24 Thread Lennert Buytenhek
On Fri, Mar 23, 2012 at 03:42:44PM -0400, Alex Deucher wrote: > >>> > Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected > >>> > to a 27" Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI > >>> > to Mini DisplayPort converter has started to stop giving screen > >>>

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Lennert Buytenhek
On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: > > Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected > > to a 27" Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI > > to Mini DisplayPort converter has started to stop giving screen > > output on

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Fri, Mar 23, 2012 at 3:34 PM, Alex Deucher wrote: > On Fri, Mar 23, 2012 at 11:44 AM, Lennert Buytenhek > wrote: >> On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: >> >>> > Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected >>> > to a 27" Apple LED cinema

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Fri, Mar 23, 2012 at 11:44 AM, Lennert Buytenhek wrote: > On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: > >> > Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected >> > to a 27" Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI >> > to Mini

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Thu, Mar 22, 2012 at 8:49 AM, Lennert Buytenhek wrote: > Hi! > > Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected > to a 27" Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI > to Mini DisplayPort converter has started to stop giving screen > output on

radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Lennert Buytenhek
Hi! Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27 Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to Mini DisplayPort converter has started to stop giving screen output on switching from text mode to graphical framebuffer during system startup. I

Re: radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Thu, Mar 22, 2012 at 8:49 AM, Lennert Buytenhek buyt...@wantstofly.org wrote: Hi! Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27 Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to Mini DisplayPort converter has started to stop giving screen

Re: radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Lennert Buytenhek
On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27 Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to Mini DisplayPort converter has started to stop giving screen output on switching

Re: radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Fri, Mar 23, 2012 at 11:44 AM, Lennert Buytenhek buyt...@wantstofly.org wrote: On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27 Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to

Re: radeon + DVI-mDP converter + mDP display blank screen issue since 3.0

2012-03-23 Thread Alex Deucher
On Fri, Mar 23, 2012 at 3:34 PM, Alex Deucher alexdeuc...@gmail.com wrote: On Fri, Mar 23, 2012 at 11:44 AM, Lennert Buytenhek buyt...@wantstofly.org wrote: On Fri, Mar 23, 2012 at 10:59:27AM -0400, Alex Deucher wrote: Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected

radeon + DVI->mDP converter + mDP display blank screen issue since 3.0

2012-03-22 Thread Lennert Buytenhek
Hi! Since Linux 3.0, a system with a Radeon HD 5450 (1002:68f9) connected to a 27" Apple LED cinema display via an Atlona AT-DP400 Dual Link DVI to Mini DisplayPort converter has started to stop giving screen output on switching from text mode to graphical framebuffer during system startup. I