Add tools/intel_infoframes

This is a command-line tool that allows us to display and modify the
InfoFrames we send.

v2: use argv instead of stdin

Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

man/Makefile.am

@@ -6,6 +6,7 @@ appman_PRE = 				\
 	intel_error_decode.man		\
 	intel_gpu_top.man		\
 	intel_gtt.man			\
+	intel_infoframes.man		\
 	intel_lid.man			\
 	intel_panel_fitter.man		\
 	intel_reg_dumper.man		\

man/intel_infoframes.man

@@ -0,0 +1,26 @@
+.\" shorthand for double quote that works everywhere.
+.ds q \N'34'
+.TH intel_infoframes __appmansuffix__ __xorgversion__
+.SH NAME
+intel_infoframes \- View and change HDMI InfoFrames
+.SH SYNOPSIS
+.B intel_infoframes
+.SH DESCRIPTION
+.B intel_infoframes
+is a tool to view and change the HDMI InfoFrames sent by the GPU. Its main
+purpose is to be used as a debugging tool. In some cases (e.g., when
+changing modes) the Kernel will undo the changes made by this tool.
+
+Descriptions of the InfoFrame fields can be found on the HDMI and CEA-861
+specifications.
+
+Use the
+.B -h
+or
+.B --help
+options to learn how to use the command
+.SH LIMITATIONS
+Not all HDMI monitors respect the InfoFrames sent to them. Only Iron Lake
+or newer hardware is supported yet.
+.SH SEE ALSO
+HDMI specification, CEA-861 specification.

tools/.gitignore

@@ -11,6 +11,7 @@ intel_gpu_dump
 intel_gpu_time
 intel_gpu_top
 intel_gtt
+intel_infoframes
 intel_lid
 intel_panel_fitter
 intel_reg_checker

tools/Makefile.am

@@ -18,6 +18,7 @@ bin_PROGRAMS = 				\
 
 noinst_PROGRAMS = 			\
 	intel_dump_decode 		\
+	intel_infoframes		\
 	intel_lid			\
 	intel_panel_fitter