Bug 201612

Summary:	fix Xv driver in -amd driver
Product:	[Fedora] Fedora	Reporter:	Christopher Blizzard <blizzard>
Component:	xorg-x11-drv-amd	Assignee:	Adam Jackson <ajax>
Status:	CLOSED RAWHIDE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	6	Keywords:	Reopened
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2006-09-01 17:32:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	191931

Description Christopher Blizzard 2006-08-07 20:26:56 UTC

It's apparently all busted.  Jordan Crouse has more details.

Comment 1 Adam Jackson 2006-08-14 02:19:58 UTC

fixed in rawhide.

Comment 2 Christopher Blizzard 2006-08-14 02:37:56 UTC

The Xv bugs are still there.  This is a tracker bug to note that it's something
that we need to make sure is fixed down the road.

Comment 3 Jordan Crouse 2006-08-15 19:33:18 UTC

Traditionally, the GX pitch must be a power of 2 based to allow us to compress
the data to limit bandwidth usage when we send the video to the video processor.
 That worked out to a pitch of 8192 when the OLPC board was in 1200x900 mode -
using up 7.6 of the 8MB of memory available.  Thats why video wasn't working in
Xv mode - the Xv driver couldn't allocate the offscreen memory it needed. 
Luckily, when compression is turned off, we are free from the power of 2
requirement. 

Commit 38f3d21beba13daba4844a129f3c268b5f291fb1 in the xf86-video-amd driver on
freedesktop.org adjusts the pitch to a sane value when compression is turned off
in the xorg.conf file.  When we make the pitch linear, that saves us 3Mb -
giving us plenty of room for Xv to do its thing.

Apply the patch, and set option "NoCompression" "true" in the xorg.conf.

Comment 4 Christopher Blizzard 2006-09-01 17:32:48 UTC

Jordan fixed this upstream in the amd driver.