2015-11-20 16:52 keltezéssel, cpaul at redhat.com Ãrta:
> From: Stephen Chandler Paul
>
> HPD signals on DVI ports can be fired off before the pins required for
> DDC probing actually make contact, due to the pins for HPD making
> contact first. This results in a HPD signal being asserted but DD
t; To: Koenig, Christian; Daniel Stone
> > Cc: Deucher, Alexander; David Airlie; dri-devel; Linux Kernel Mailing List;
> > Jerome Glisse; Benjamin Tissoires
> > Subject: Re: [PATCH] drm/radeon: Retry DDC probing on DVI on failure if we
> > got an HPD interrupt
> >
> &g
ject: Re: [PATCH] drm/radeon: Retry DDC probing on DVI on failure if we
> got an HPD interrupt
>
> On Sat, 2015-11-21 at 16:22 +0100, Christian König wrote:
> > On 21.11.2015 15:49, Daniel Stone wrote:
> > > Hi,
> > >
> > > On 21 November 2015 at 14:22, Christ
ristian; Daniel Stone
> > > Cc: Deucher, Alexander; David Airlie; dri-devel; Linux Kernel Mailing
> > > List;
> > > Jerome Glisse; Benjamin Tissoires
> > > Subject: Re: [PATCH] drm/radeon: Retry DDC probing on DVI on failure if we
> > > got an HPD interrup
ri-devel; Linux Kernel Mailing List;
> > Jerome Glisse; Benjamin Tissoires
> > Subject: Re: [PATCH] drm/radeon: Retry DDC probing on DVI on failure if we
> > got an HPD interrupt
> >
> > On Sat, 2015-11-21 at 16:22 +0100, Christian König wrote:
> > > On 21.
On Sat, Nov 21, 2015 at 02:49:20PM +, Daniel Stone wrote:
> Hi,
>
> On 21 November 2015 at 14:22, Christian König
> wrote:
> > On 20.11.2015 16:52, cpaul at redhat.com wrote:
> >> This is somewhat rare on most cards (depending on what angle you plug
> >> the DVI connector in), but on some c
On Sat, Nov 21, 2015 at 03:22:07PM +0100, Christian König wrote:
> On 20.11.2015 16:52, cpaul at redhat.com wrote:
> >From: Stephen Chandler Paul
> >
> >HPD signals on DVI ports can be fired off before the pins required for
> >DDC probing actually make contact, due to the pins for HPD making
> >c
On Sat, 2015-11-21 at 16:22 +0100, Christian König wrote:
> On 21.11.2015 15:49, Daniel Stone wrote:
> > Hi,
> >
> > On 21 November 2015 at 14:22, Christian König > .com> wrote:
> > > On 20.11.2015 16:52, cpaul at redhat.com wrote:
> > > > This is somewhat rare on most cards (depending on what
On 21.11.2015 15:49, Daniel Stone wrote:
> Hi,
>
> On 21 November 2015 at 14:22, Christian König
> wrote:
>> On 20.11.2015 16:52, cpaul at redhat.com wrote:
>>> This is somewhat rare on most cards (depending on what angle you plug
>>> the DVI connector in), but on some cards it happens constantl
On 20.11.2015 16:52, cpaul at redhat.com wrote:
> From: Stephen Chandler Paul
>
> HPD signals on DVI ports can be fired off before the pins required for
> DDC probing actually make contact, due to the pins for HPD making
> contact first. This results in a HPD signal being asserted but DDC
> probin
Hi,
On 21 November 2015 at 14:22, Christian König
wrote:
> On 20.11.2015 16:52, cpaul at redhat.com wrote:
>> This is somewhat rare on most cards (depending on what angle you plug
>> the DVI connector in), but on some cards it happens constantly. The
>> Radeon R5 on the machine used for testing
From: Stephen Chandler Paul
HPD signals on DVI ports can be fired off before the pins required for
DDC probing actually make contact, due to the pins for HPD making
contact first. This results in a HPD signal being asserted but DDC
probing failing, resulting in hotplugging occasionally failing.
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