Bug 50236 - [Cantiga+] workaround: prune modes with a hsync front porch of 0
Summary: [Cantiga+] workaround: prune modes with a hsync front porch of 0
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Daniel Vetter
QA Contact:
URL:
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Keywords:
Depends on: 50235
Blocks:
  Show dependency tree / graph
 
Reported: 2012-05-22 13:54 UTC by Jesse Barnes
Modified: 2017-07-24 23:01 UTC (History)
4 users (show)

See Also:
i915 platform:
i915 features:

Attachments
No hsync front porch of 0 for Cantiga+ (1.06 KB, patch)
2012-05-29 07:06 UTC, Chris Wilson 		no flags Details | Splinter Review
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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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