Bug 42585

Summary:	[PNV]testdisplay can't show all modes with -t
Product:	DRI	Reporter:	Guang Yang <guang.a.yang>
Component:	DRM/Intel	Assignee:	Chris Wilson <chris>
Status:	CLOSED FIXED	QA Contact:
Severity:	normal
Priority:	medium	CC:	ben, chris, daniel, jbarnes, yi.sun
Version:	unspecified
Hardware:	Other
OS:	All
Whiteboard:
i915 platform:		i915 features:

Description Guang Yang 2011-11-04 02:29:55 UTC

System Environment:
--------------------------
Platform:        pineview
Kernel:         (master)c3b92c8787367a8bb53d57d9789b558f1295cc96

Bug detailed description:
-------------------------
   when we do "testdisplay -t" with 2 displays(VGA,LVDS),the VGA monitor can't show all modes ,it shows on the screen like :
"
set tiling failed: Invalid argument
allocation failed 1280x1024
set tiling failed: Invalid argument
allocation failed 1280x1024
set tiling failed: Invalid argument
allocation failed 1152x864

".

Comment 1 Chris Wilson 2011-11-04 06:27:11 UTC

commit 4c7c94ad98ac94a1f8fffbf2ffd79fc3bfcef647
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Fri Nov 4 13:26:13 2011 +0000

    testdisplay: Round tiled allocations up to pot stride and fence size
    
    Be simple and use the strictest requirements from gen2/3 with old
    kernels so that this simply works everywhere.
    
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42585

Comment 2 Elizabeth 2017-10-06 14:51:31 UTC

Closing old verified.

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