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+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH intel_reg_dumper __appmansuffix__ __xorgversion__
+.SH NAME
+intel_reg_dumper \- Decode a bunch of Intel GPU registers for debugging
+.SH SYNOPSIS
+.B intel_reg_dumper [ file ]
+.SH DESCRIPTION
+.B intel_reg_dumper
+is a tool to read and decode the values of many Intel GPU registers. It is
+commonly used in debugging video mode setting issues. If the
+.B file
+argument is present, the registers will be decoded from the given file
+instead of the current registers. Use the
+.B intel_reg_snapshot
+tool to generate such files.
+.SH ENVIRONMENT
+.BR HAS_PCH_SPLIT
+.PP
+If set, decode as though the GPU has a PCH split. This is only necessary for
+Intel HD (Ironlake) and later register dumps in files; live decodes get this
+correct automatically.
+.SH SEE ALSO
+.BR intel_reg_snapshot(1)