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List: haiku-bugs
Subject: [haiku-bugs] Re: [Haiku] #10327: Radeon HD6870: DisplayPort shows black screen.
From: "kallisti5" <trac () haiku-os ! org>
Date: 2013-12-30 20:46:10
Message-ID: 057.71252ca87a9a325d67ebe6934901dc11 () haiku-os ! org
[Download RAW message or body]
#10327: Radeon HD6870: DisplayPort shows black screen.
------------------------------------------+----------------------------
Reporter: Bouncer | Owner: kallisti5
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: Drivers/Graphics/radeon_hd | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 0 | Platform: x86
------------------------------------------+----------------------------
Comment (by kallisti5):
brand doesn't matter. The driver should dynamically adjust how it
operates if the vendor makes adjustments due to AtomBIOS
You're seeing the same issue my DisplayPort devices are seeing:
{{{
KERN: radeon_hd: dp_setup_connectors
5427 KERN: radeon_hd: dp_setup_connectors: found dp connector on index
0
5428 KERN: radeon_hd: dp_aux_speak: dp_aux_ch flags not zero!
5429 KERN: Last message repeated 3 times.
5430 KERN: radeon_hd: dp_setup_connectors: found dp connector on index
1
5431 KERN: radeon_hd: dp_aux_speak: dp_aux_ch flags not zero!
5432 KERN: Last message repeated 3 times.
}}}
{{{dp_aux_speak: dp_aux_ch flags not zero!}}} means we can't communicate
over the DP aux data channel meaning we can't get edid data. I'm going
to reach out to AMD to see if they have any ideas this afternoon.
--
Ticket URL: <http://dev.haiku-os.org/ticket/10327#comment:6>
Haiku <http://dev.haiku-os.org>
Haiku - the operating system.
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