Bug 3031

Summary:	i915: gl swap buffers cant sync with vblank
Product:	Mesa	Reporter:	Matthew Allum <mallum>
Component:	Drivers/DRI/i915	Assignee:	Default DRI bug account <dri-devel>
Status:	RESOLVED FIXED	QA Contact:
Severity:	enhancement
Priority:	high	CC:	airlied, lorenzo
Version:	unspecified
Hardware:	x86 (IA32)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:
Attachments:	drm patch to add vbl to i915 mesa patch to add vbl to i915

Description Matthew Allum 2005-04-14 06:23:37 UTC

It would be really nice if the i915 driver could (optionally) sync with the
vblank like ATI ( and mga? ) drivers support. This would avoid ugly tearing
effects.

Comment 1 Dave Airlie 2005-12-17 11:10:57 UTC

okay I've made a first pass attempt at vblank I'll attach a patch for the drm
and a patch for Mesa

Comment 2 Dave Airlie 2005-12-17 11:13:32 UTC

Created attachment 4115 [details] [review]
drm patch to add vbl to i915

Comment 3 Dave Airlie 2005-12-17 11:14:08 UTC

Created attachment 4116 [details] [review]
mesa patch to add vbl to i915

Comment 4 Dave Airlie 2006-02-06 11:05:53 UTC

okay I've checked these into the tree finally...

Comment 5 Matthew Allum 2006-02-06 19:40:37 UTC

woohoo, many thanks for this Dave :) However I dont have the h/w anymore to test
:( I'll see if I can dig something up.

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