Bug 73624 - AST2300 KMS EDID issue on C2750D4I
Summary: AST2300 KMS EDID issue on C2750D4I
Status: NEW
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/other (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Default DRI bug account
QA Contact:
URL:
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Depends on:
Blocks:
 
Reported: 2014-01-14 18:30 UTC by Johannes Obermayr
Modified: 2014-01-14 18:33 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Attachments
EDID issue with KMS (54.10 KB, text/plain)
2014-01-14 18:30 UTC, Johannes Obermayr
no flags Details
Xorg.0.log with xf86-video-ast (40.85 KB, text/plain)
2014-01-14 18:33 UTC, Johannes Obermayr
no flags Details

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Description Johannes Obermayr 2014-01-14 18:30:28 UTC
Created attachment 92079 [details]
EDID issue with KMS

AST2300 doesn't fetch right EDID data ...

[   10.599714] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 73
[   10.599718] Raw EDID:
[   10.599721]  	00 ff ff ff ff ff ff 00 09 d1 0b 79 45 54 00 00
[   10.599723]  	29 12 01 03 0e 2f 1a 78 2e 35 85 a6 56 48 9a 24
[   10.599725]  	12 50 54 a5 6b ba 71 00 81 0d 00 00 00 00 00 00
[   10.599727]  	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   10.599729]  	00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   10.599731]  	00 00 00 00 00 00 00 00 00 00 00 00 02 01 ff ff
[   10.599733]  	ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   10.599734]  	ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
Comment 1 Johannes Obermayr 2014-01-14 18:33:37 UTC
Created attachment 92080 [details]
Xorg.0.log with xf86-video-ast

xf86-video-ast seems to be better:

[    30.563] (II) AST(0): EDID (in hex):
[    30.563] (II) AST(0): 	00ffffffffffff0009d10b7945540000
[    30.563] (II) AST(0): 	291201030e2f1a782e3585a656489a24
[    30.563] (II) AST(0): 	125054a56bba710081008140950f8180
[    30.563] (II) AST(0): 	9500b3000101944380907238284080c8
[    30.563] (II) AST(0): 	3500dc0c1100001e000000ff00414138
[    30.563] (II) AST(0): 	31313033393032360a20000000fd0032
[    30.563] (II) AST(0): 	4c1e5e15000a202020202020000000fc
[    30.563] (II) AST(0): 	0042656e5120453232303048440a00f8
[    30.563] (II) AST(0): EDID vendor "BNQ", prod id 30987


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