Bug 14947

Summary: Blank screen for Intel KMS
Product: Drivers Reporter: Rafael J. Wysocki (rjw)
Component: Video(DRI - Intel)Assignee: drivers_video-dri-intel (drivers_video-dri-intel)
Severity: normal CC: yakui.zhao
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 2.6.33-rc2 Tree: Mainline
Regression: Yes
Bug Depends on:    
Bug Blocks: 14885    

Description Rafael J. Wysocki 2009-12-29 13:58:51 UTC
Subject    : Re: Linux 2.6.33-rc2 - Blank screen for Intel KMS
Submitter  : Miguel Calleja <mcalleja1@telecable.es>
Date       : 2009-12-25 13:10
References : http://marc.info/?l=linux-kernel&m=126174693019098&w=4

This entry is being used for tracking a regression from 2.6.32.  Please don't
close it until the problem is fixed in the mainline.

Caused by:

commit fc816655236cd9da162356e96e74c7cfb0834d92
Author: Zhao Yakui <yakui.zhao@intel.com>
Date:   Tue Nov 24 09:48:45 2009 +0800

    drm/i915: Don't set up HDMI ports that aren't in the BIOS device table.

    Use the child device array to decide whether the given HDMI output should be
    initialized. If the given HDMI port can't be found in child device array,
    it is not present and won't be initialized.

    Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
    Signed-off-by: Eric Anholt <eric@anholt.net>

First-Bad-Commit : fc816655236cd9da162356e96e74c7cfb0834d92

[rjw: I can reproduce this one.]
Comment 1 Rafael J. Wysocki 2009-12-30 22:27:10 UTC

*** This bug has been marked as a duplicate of bug 14860 ***