Bug 196121 - ati x200m on Toshiba Sattellite L20-183 cannot resume from suspend with KMS
Summary: ati x200m on Toshiba Sattellite L20-183 cannot resume from suspend with KMS
Status: RESOLVED CODE_FIX
Alias: None
Product: Drivers
Classification: Unclassified
Component: Video(DRI - non Intel) (show other bugs)
Hardware: i386 Linux
: P1 normal
Assignee: drivers_video-dri
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-06-19 14:24 UTC by Przemek
Modified: 2017-09-15 09:17 UTC (History)
1 user (show)

See Also:
Kernel Version: 4.11.5
Subsystem:
Regression: No
Bisected commit-id:

Attachments
Possible fix (655 bytes, patch)
2017-06-19 14:24 UTC, Przemek 		Details | Diff
Add an attachment (proposed patch, testcase, etc.)

Description Przemek 2017-06-19 14:24:18 UTC 
Created attachment 257073 [details]
Possible fix

I,am running Gentoo on Toshiba Sattellite L20-183 with ati x200m (RS410) and Pentium M 760 onboard. Machine cannot resume from suspend getting hard locked-up. I have to turn it off by pressing power button. 
There is nothing inside the logs.
Previously passing "nomodeset" parameter to kernel worked. Now, when ati Xorg driver cannot be started without KMS, "nomodeset" method doesnt work anymore. 
I think that radeon driver needs a quirk to make machine resume from suspend.

With this patch applied to kernel tree Laptop can resume from suspend.
Comment 1 mirh 2017-09-15 09:17:54 UTC 
Fixed in acfd6ee4fa7ebeee75511825fe02be3f7ac1d668
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