Bug 687 - Matrox Mystique screen corruption/redraw bug using mga driver
Summary: Matrox Mystique screen corruption/redraw bug using mga driver
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/mga (show other bugs)
Version: unspecified
Hardware: x86 (IA32) Linux (All)
: high normal
Assignee: Mike A. Harris
QA Contact:
Depends on:
Blocks: 351
  Show dependency treegraph
Reported: 2004-05-28 06:26 UTC by xorg-bugs
Modified: 2004-08-12 18:26 UTC (History)
3 users (show)

See Also:
i915 platform:
i915 features:

Patch to fix bug in mga driver on Mystique hardware (1.00 KB, patch)
2004-07-08 00:21 UTC, Mike A. Harris
no flags Details | Splinter Review

Description xorg-bugs 2004-05-28 06:26:56 UTC
A bugfix for hardlockups happening on some matrox mystiques has introduced 
this bug. The following patch fixes the problem: 
See this for further information on that issue: 
take care, have fun 
Comment 1 Mike A. Harris 2004-07-07 23:24:36 UTC
Assigning bug to myself.
Comment 2 Mike A. Harris 2004-07-08 00:20:39 UTC
I've implemented a fix for this based on a description of the problem from
Alan Cox.  The full details of the bug reported at Red Hat, Alan's description
of the problem, etc. is at Red Hat bugzilla:


The patch is rather simple, and has been confirmed by 3 users to fix
the problem.  If nobody objects, I'll commit it to CVS sometime in
the next week.
Comment 3 Mike A. Harris 2004-07-08 00:21:37 UTC
Created attachment 450 [details] [review]
Patch to fix bug in mga driver on Mystique hardware
Comment 4 Kristian Høgsberg 2004-08-09 17:52:26 UTC
Ping?  I guess this can be committed now.
Comment 5 xorg-bugs 2004-08-10 13:00:07 UTC
(In reply to comment #4) 
> Ping?  I guess this can be committed now. 
I didn't reply, since I have no overview over the current xorg cvs and I 
didn't know, if it is already commited. 
But, as it is not yet: 
I use the patch on my system and it works fine :-) 
take care, have fun 
Comment 6 Mike A. Harris 2004-08-12 04:09:00 UTC
Adding to release blocker.
Comment 7 Søren Sandmann Pedersen 2004-08-13 11:26:55 UTC
Fri Aug 13 19:53:10 2004  Soeren Sandmann  <sandmann@redhat.com>

	* programs/Xserver/hw/xfree86/drivers/mga/mga_storm.c
	(MGAStormSync): Fix for lockups on some versions of Matrox
	Mystique. #687, Patch from Mike Harris.

	* programs/Xserver/hw/xfree86/common/xf86RandR.c
	(xf86RandRSetMode): Call xf86EnableDisableFBAccess though the
	function pointer instead of directly. #1041, Patch from Aaron Plattner.

	* programs/Xserver/hw/xfree86/common/xf86RandR.c: Swap the
	phsyical size of the screen when rotiation. #1050, Patch from
	Aaron Plattner.

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