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

2012-03-25 Thread Lennert Buytenhek
tsoever > >>> > what I'm doing here, but I just wanted to post this somewhere for > >>> > Google to find in case someone else runs into this! > >>> > >>> I've inquired with out display team on how to best handle this.  In > >>&

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

2012-03-24 Thread Lennert Buytenhek
tsoever > >>> > what I'm doing here, but I just wanted to post this somewhere for > >>> > Google to find in case someone else runs into this! > >>> > >>> I've inquired with out display team on how to best handle this. ?In > >>> the meantime, it's probably best to just default to 8 bpc. ?Does the > >>> attached patch fix your issue? > >> > >> I've been using the patch below in a custom Fedora 17 kernel RPM, and > >> that seems to fix the issue. ?Your patch seems to be a superset of > >> this patch, so logically, your patch should do the trick as well. :) > > > > Can you try the attached patch on top of my previous one? > > Scratch that. Try this one instead. The 3.3 + 0001-drm-radeon-kms-atom-force-bpc-to-8-for-now.patch + 0001-drm-radeon-kms-improve-bpc-handling-v2.patch combo seems to work fine -- I get display output as expected. Tested-by: Lennert Buytenhek thanks, Lennert

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

2012-03-23 Thread Lennert Buytenhek
*dig_connector = radeon_connector->con_priv; int dp_clock; - bpc = connector->display_info.bpc; switch (encoder_mode) { case ATOM_ENCODER_MODE_DP_MST: > From 22ca454eb749968f266d6788a5f4778acc08cc66

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

2012-03-23 Thread Lennert Buytenhek
dig_connector = radeon_connector->con_priv; int dp_clock; - bpc = connector->display_info.bpc; switch (encoder_mode) { case ATOM_ENCODER_MODE_DP_MST: > From 22ca454eb749968f266d6788a5f4778acc08cc66

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 fin

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 fin