https://bugzilla.kernel.org/show_bug.cgi?id=16249
Summary: HDMI doesn't work on Radeon RS690M
Product: Drivers
Version: 2.5
Kernel Version: 2.6.35-rc3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: drivers_video-...@kernel-bugs.osdl.org
ReportedBy: m.kre...@gmail.com
Regression: No
If I connect my laptop with Radeon RS690M IGP to Philips LCD HDTV over HDMI, TV
is properly detected by xrandr (with right modes). But after activating it by
xrandr (setting it to clone or any other mode), TV screen stays black and says
"unknown video format". I have tried all supported resolutions/refresh rates
without success.
I have also desktop with Radeon RS780G IGP which is connected to this HDTV over
HDMI and everything works without problems, so this is clearly problem with
RS690M.
This has been tested on kernel 2.6.35-rc3 with latest libdrm, mesa and
xf86-video-ati from Git repositories (running under KMS). But I have tried it
also about year ago on some stable kernel (running under UMS, not KMS) with
same results.
There is one relevant error in dmesg after connecting HDMI:
radeon 0000:01:05.0: Could not find HDMI block for 0x19 encoder
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