[Intel-gfx] [PATCH 1/5] drm/i915: add error detection & collection

[Eric Anholt]

On Wed, 2009-07-08 at 18:30 -0400, Ben Gamari wrote:
> From: Jesse Barnes <jbarnes at virtuousgeek.org>
> 
> [I'm still testing this on my 945, but it seems ok on my GM45.  Next
> patch will add hang detection & reset capability.]
> 
> This patch enables error detection by enabling several types of error
> interrupts.  When an error interrupt is received, the interrupt
> handler captures the error state; hopefully resulting in an accurate
> set of error data (error type, active head pointer, etc.).
> 
> The captured error record is dumped to the syslog and made available
> through debugfs.  A uevent is also generated, to indicate to userspace
> that a GPU dump should be captured along with the contents of the
> debugfs files.

This probably needs a new commit message, since something with this
commit message already went into the tree and it doesn't seem to match
the code at this point.

-- 
Eric Anholt
eric at anholt.net                         eric.anholt at intel.com


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