Bug 46181

Summary:	No Brightness control-nouveau
Product:	Drivers	Reporter:	Lakshminarayanan (jujojujo_2003)
Component:	Video(DRI - non Intel)	Assignee:	drivers_video-dri
Status:	NEW ---
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	3.4.9-1-ARCH	Subsystem:
Regression:	No	Bisected commit-id:

Description Lakshminarayanan 2012-08-19 05:32:30 UTC

I completely have no brightness control on my laptop(M17 r3 3D verison). dmesg log is spammed with the following message every few seconds ,
[  589.813022] Raw EDID:                                                                                                     
[  589.813032]          00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813037]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813041]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813045]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813050]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813054]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813058]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00                                                      
[  589.813062]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[  589.815666] Raw EDID:
[  589.815669]          00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815673]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815677]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815682]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815686]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815690]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815695]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.815699]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[  589.818304] Raw EDID:
[  589.818308]          00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818312]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818316]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818321]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818325]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818329]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818333]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.818337]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[  589.820946] Raw EDID:
[  589.820949]          00 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820953]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820958]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820962]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820966]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820970]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820975]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[  589.820979]          00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[  589.820987] nouveau 0000:01:00.0: eDP-1: Ignoring invalid EDID block 1.

Comment 1 Lakshminarayanan 2012-08-19 05:34:14 UTC

PS: This problem ahs been there for the past year atleast and i have tried all kernels from 2.35 to 3.5.