man: Add manpage for intel_error_decode

A rudimentary manpage based on intel_gpu_dump for the simple tool
for the post-processing of i915_error_state, intel_error_decode.

1 files changed, 20 insertions, 0 deletions

diff --git a/man/intel_error_decode.1 b/man/intel_error_decode.1
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+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH intel_error_decode 1 "intel_error_decode 1.0"
+.SH NAME
+intel_error_decode \- Decodes an Intel GPU dump automatically captured by the kernel at the time of an error.
+.SH SYNOPSIS
+.nf
+.B intel_error_decode
+.B intel_error_decode [ filename ]
+.fi
+.SH DESCRIPTION
+.B intel_error_decode
+is a tool that decodes the instructions and state of the GPU at the time of
+an error. It requires kernel 2.6.34 or newer, and either debugfs mounted on
+/sys/kernel/debug or /debug containing a current i915_error_state or you can
+pass a file containing a saved error.
+.SS Options
+.TP
+.B filename
+Decodes a previously saved error.