Bug 50236

Summary: [Cantiga+] workaround: prune modes with a hsync front porch of 0
Product: DRI Reporter: Jesse Barnes <jbarnes>
Component: DRM/IntelAssignee: Daniel Vetter <daniel>
Status: CLOSED FIXED QA Contact:
Severity: normal    
Priority: medium CC: ben, chris, daniel, jbarnes
Version: XOrg git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Bug Depends on: 50235    
Bug Blocks:    
Attachments:
Description Flags
No hsync front porch of 0 for Cantiga+ none

Comment 1 Chris Wilson 2012-05-29 07:06:54 UTC
Created attachment 62228 [details] [review]
No hsync front porch of 0 for Cantiga+

I think this is what Jesse means...
Comment 2 Jani Nikula 2012-05-31 06:45:30 UTC
(In reply to comment #1)
> No hsync front porch of 0 for Cantiga+
> 
> I think this is what Jesse means...

I think it could be stricter, and fail if adjust_mode->hsync_start <= adjusted_mode->hdisplay.
Comment 3 Daniel Vetter 2012-08-22 15:39:18 UTC
Merged to -queued.

commit 44f46b4222a9ba5b21dcdf13f93dc53f48768d2b
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Thu Jun 21 13:19:59 2012 +0300

    drm/i915: Cantiga+ cannot handle a hsync front porch of 0

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