[PATCH v2] drm/radeon: Retry DDC probing on DVI on failure if we got an HPD interrupt

On Fri, Dec 4, 2015 at 3:53 AM, Christian König wrote: > On 04.12.2015 00:26, cpaul at redhat.com wrote: >> >> From: Lyude >> >> 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 resu

[PATCH v2] drm/radeon: Retry DDC probing on DVI on failure if we got an HPD interrupt

On 04.12.2015 10:43, Boszormenyi Zoltan wrote: > 2015-12-04 09:53 keltezéssel, Christian König írta: >> On 04.12.2015 00:26, cpaul at redhat.com wrote: >>> From: Lyude >>> >>> HPD signals on DVI ports can be fired off before the pins required for >>> DDC probing actually make contact, due to th

[PATCH v2] drm/radeon: Retry DDC probing on DVI on failure if we got an HPD interrupt

2015-12-04 09:53 keltezéssel, Christian König írta: > On 04.12.2015 00:26, cpaul at redhat.com wrote: >> From: Lyude >> >> 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 i

[PATCH v2] drm/radeon: Retry DDC probing on DVI on failure if we got an HPD interrupt

On 04.12.2015 00:26, cpaul at redhat.com wrote: > From: Lyude > > 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, resul

[PATCH v2] drm/radeon: Retry DDC probing on DVI on failure if we got an HPD interrupt

From: Lyude 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. This is somewhat