https://bugs.freedesktop.org/show_bug.cgi?id=41569
Summary: [r600 KMS] Asus A35T A4-3400 Product: DRI Version: XOrg CVS Platform: x86-64 (AMD64) OS/Version: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Radeon AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: robertcnelson@gmail.com
This laptop, has only one standard video connector (VGA) along with the lcd screen. With 3.1-rc9+ plus airlied's drm-next on bootup bios init the screen, kernel boots in text mode fine, but when KMS takes over the screen goes blank. (the external VGA connector also goes blank). (running latest git of xorg-ati/mesa)
interesting from dmesg;
[ 32.534186] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 104 [ 32.534191] Raw EDID: [ 32.534194] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534196] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534198] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534199] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 70 [ 32.534201] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534203] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534205] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.534207] 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 [ 32.589038] [drm:radeon_dp_i2c_aux_ch] *ERROR* aux_ch invalid native reply 0x70
voodoo@a53t:~$ ls -lh /lib/firmware/radeon/TURKS_* -rw-r--r-- 1 root root 24K 2011-10-06 22:26 /lib/firmware/radeon/TURKS_mc.bin -rw-r--r-- 1 root root 5.4K 2011-10-06 22:26 /lib/firmware/radeon/TURKS_me.bin -rw-r--r-- 1 root root 4.4K 2011-10-06 22:26 /lib/firmware/radeon/TURKS_pfp.bin
Regards,