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

2015-11-20 16:52 keltezéssel, cp...@redhat.com írta: > 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 >

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

2015-11-20 16:52 keltezéssel, cp...@redhat.com írta: > 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

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

Ping Do we have any consensus on the best way of handling this situation in the driver? On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > -Original Message- > > From: Lyude [mailto:cp...@redhat.com] > > Sent: Sunday, November 22, 2015 9:45 PM > > To: Koenig, Christian;

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

Ping Do we have any consensus on the best way of handling this situation in the driver? On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > -Original Message- > > From: Lyude [mailto:cp...@redhat.com] > > Sent: Sunday, November 22, 2015 9:45 PM > > To: Koenig, Christian;

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

On Mon, 2015-11-23 at 10:43 -0500, Lyude wrote: > On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > > -Original Message- > > > From: Lyude [mailto:cp...@redhat.com] > > > Sent: Sunday, November 22, 2015 9:45 PM > > > To: Koenig, Christian; Daniel Stone > > > Cc: Deucher,

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

On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > -Original Message- > > From: Lyude [mailto:cp...@redhat.com] > > Sent: Sunday, November 22, 2015 9:45 PM > > To: Koenig, Christian; Daniel Stone > > Cc: Deucher, Alexander; David Airlie; dri-devel; Linux Kernel Mailing List;

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

> -Original Message- > From: Lyude [mailto:cp...@redhat.com] > Sent: Sunday, November 22, 2015 9:45 PM > 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:

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

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, cp...@redhat.com wrote: > >> This is somewhat rare on most cards (depending on what angle you plug > >> the DVI connector in), but on some

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

On Sat, Nov 21, 2015 at 03:22:07PM +0100, Christian König wrote: > On 20.11.2015 16:52, cp...@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 >

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

On Sat, Nov 21, 2015 at 03:22:07PM +0100, Christian König wrote: > On 20.11.2015 16:52, cp...@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

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

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, cp...@redhat.com wrote: > >> This is somewhat rare on most cards (depending on what angle you plug > >> the DVI

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

> -Original Message- > From: Lyude [mailto:cp...@redhat.com] > Sent: Sunday, November 22, 2015 9:45 PM > 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:

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

On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > -Original Message- > > From: Lyude [mailto:cp...@redhat.com] > > Sent: Sunday, November 22, 2015 9:45 PM > > To: Koenig, Christian; Daniel Stone > > Cc: Deucher, Alexander; David Airlie; dri-devel; Linux Kernel Mailing List;

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

On Mon, 2015-11-23 at 10:43 -0500, Lyude wrote: > On Mon, 2015-11-23 at 14:20 +, Deucher, Alexander wrote: > > > -Original Message- > > > From: Lyude [mailto:cp...@redhat.com] > > > Sent: Sunday, November 22, 2015 9:45 PM > > > To: Koenig, Christian; Daniel Stone > > > Cc: Deucher,

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, Christian König > .com> wrote: > > > On 20.11.2015 16:52, cp...@redhat.com wrote: > > > > This is somewhat rare on most cards (depending on what

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, Christian König > .com> wrote: > > > On 20.11.2015 16:52, cp...@redhat.com wrote: > > > > This is somewhat rare on most cards

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

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, cp...@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

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

On 20.11.2015 16:52, cp...@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 probing failing,

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

Hi, On 21 November 2015 at 14:22, Christian König wrote: > On 20.11.2015 16:52, cp...@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

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

On 20.11.2015 16:52, cp...@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

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

Hi, On 21 November 2015 at 14:22, Christian König wrote: > On 20.11.2015 16:52, cp...@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

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

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, cp...@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