http://bugzilla.kernel.org/show_bug.cgi?id=13881
Summary: radeon KMS on Mobility Radeon X1200 (RS690M) unable to
find EDID -> blank screen until X starts
Product: Drivers
Version: 2.5
Kernel Version: 2.6.31-rc4-git5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI)
AssignedTo: [email protected]
ReportedBy: [email protected]
Regression: No
Created an attachment (id=22544)
--> (http://bugzilla.kernel.org/attachment.cgi?id=22544)
dmesg output when booting with KMS enabled
I have an HP Compaq 6715s Notebook with an Mobility Radeon X1200 (RS690M) GPU
and wanted to try KMS, but the screen simply goes blank, until X starts up
which is actualy able to set the correct mode and works then.
The dmesg output shows that its unable to get the EDID.
This was also the case with pre-rc4-git5 kernels, but now the system sometimes
freeze during boot, because of the blank screen I am unable to tell you any
error messages for that case.
The attached dmesg log was made after a "successful" boot with 2.6.31-rc4-git5.
I also attach Xorg.0.log and the output of ddcprobe, if you need any more
information just let me know, of course.
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