Bug 40281 - [SNB]there is no spd infoframe for HDMI output
Summary: [SNB]there is no spd infoframe for HDMI output
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Jesse Barnes
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2011-08-22 01:15 UTC by Hai
Modified: 2017-10-06 14:52 UTC (History)
4 users (show)

See Also:
i915 platform:
i915 features:

Attachments
photo of hdmi analyzer (887.20 KB, image/jpeg)
2011-08-22 01:21 UTC, Hai 		no flags Details
infoframe fixes (795 bytes, patch)
2011-08-29 08:33 UTC, Jesse Barnes 		no flags Details | Splinter Review
View All

Description Hai 2011-08-22 01:15:17 UTC 
Environment:
CPU:SNB
OS:Fedora 13 (32 bits)
Libdrm:		(master)2.4.26-3-g2acaf160df584a5ef7b5c5b84819389948cd97ad
Mesa:		(master)e3be51311834217cf35be9186e7dc9f57a10d44b
Xserver:		(master)xorg-server-1.10.99.902-3-gac2c307f4716ebd3e955c004ceec9f4c029401a0
Xf86_video_intel:		(master)2.16.0-3-gccddff087df0c567c28416941b175be81190a1d3
Cairo:		(master)c715d52af547741f5e57182331ccd566efcd8835
Libva:		(master)3f7c349e316f8c991c4b791f1c7f2245ad9bc188
Kernel:	(drm-intel-next) 4e6343898fe7eed6b3c0c3c809347bc88d5b4a1e

====================================
Description: I checked the infoframe for the HDMI driver by a HDMI analyzer. There is no spd infoframe.  

====================================
Reproduce step:
use a HDMI analyzer to check the HDMI output.
Comment 1 Hai 2011-08-22 01:21:07 UTC 
Created attachment 50443 [details]
photo of hdmi analyzer
Comment 2 Jesse Barnes 2011-08-29 08:33:10 UTC 
Created attachment 50662 [details] [review]
infoframe fixes

Does this patch help at all?  Got it from the India team who is also doing some infoframe testing...
Comment 3 Hai 2011-09-07 19:21:57 UTC 
There is still no infoframe with this patch.
Comment 4 Jesse Barnes 2011-11-03 17:58:43 UTC 
commit 64a8fc0145a1d0fdc25fc9367c2e6c621955fb3b
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Thu Sep 22 11:16:00 2011 +0530

    drm/i915: fix ILK+ infoframe support

should have fixed this one.  Can you confirm?
Comment 5 Hai 2011-11-10 19:21:17 UTC 
Verified with commit c5e62bdd73da80e1017058c923336a5a150af9f2
Comment 6 Florian Mickler 2012-05-07 12:15:12 UTC 
A patch referencing a commit referencing this bug report has been merged in Linux v3.4-rc6:

commit c1230df7e19e0f27655c0eb9d966c7e03be7cc50
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Wed May 2 22:55:43 2012 -0300

    drm/i915: enable dip before writing data on gen4
Comment 7 Florian Mickler 2012-08-05 11:20:03 UTC 
A patch referencing a commit referencing this bug report has been merged in Linux v3.6-rc1:

commit 9d32d1653db10eaba3140dd1a2f8dad51122f0b5
Author: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date:   Mon May 28 16:42:55 2012 -0300

    drm/i915: don't write 0 to DIP control at HDMI init
Comment 8 Elizabeth 2017-10-06 14:52:05 UTC 
Closing old verified.

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