Patch to dump raw EDID data
Philip Prindeville
philipp_subx at redfish-solutions.com
Fri Oct 28 11:57:53 PDT 2005
Howdy:
I created a bug to cover this issue, and I submitted a patch on the list
as well as creating an attachment to the bug. What else might I need
to do to get closer to having this fix reviewed and committed?
Thanks,
-Philip
Philip Prindeville wrote:
> Howdy.
>
> I was wondering if it was worth creating a bug to track
> (and drive) the following issue: it would be nice to get the
> raw dump (in hex) of the returned DDC information in the
> X server.
>
> It's sometimes useful to get this information when working
> with video card manufacturers, BIOS/mainboard houses,
> and monitor/display manufacturers...
>
> Ideally, a stand-alone utility built around libddc.so would be
> handy, but until that happens, this will do.
>
> -Philip
>
>------------------------------------------------------------------------
>
>*** xc/programs/Xserver/hw/xfree86/ddc/print_edid.c.bak 2005-07-03 02:53:43.000000000 -0600
>--- xc/programs/Xserver/hw/xfree86/ddc/print_edid.c 2005-10-16 23:07:57.000000000 -0600
>***************
>*** 31,40 ****
>--- 31,46 ----
> static void print_whitepoint(int scrnIndex, struct disp_features *);
> static void print_number_sections(int scrnIndex, int);
>
>+ #define EDID_WIDTH 16
>+
> xf86MonPtr
> xf86PrintEDID(xf86MonPtr m)
> {
>+ CARD16 i, j;
>+ char buf[EDID_WIDTH * 2 + 1];
>+
> if (!(m)) return NULL;
>+
> print_vendor(m->scrnIndex,&m->vendor);
> print_version(m->scrnIndex,&m->ver);
> print_display(m->scrnIndex,&m->features, &m->ver);
>***************
>*** 42,47 ****
>--- 48,62 ----
> print_std_timings(m->scrnIndex,m->timings2);
> print_detailed_monitor_section(m->scrnIndex,m->det_mon);
> print_number_sections(m->scrnIndex,m->no_sections);
>+
>+ xf86DrvMsg(m->scrnIndex, X_INFO, "EDID (in hex):\n");
>+
>+ for (i = 0; i < 128; i += j) {
>+ for (j = 0; j < EDID_WIDTH; ++j) {
>+ sprintf(&buf[j * 2], "%02x", m->rawData[i + j]);
>+ }
>+ xf86DrvMsg(m->scrnIndex, X_INFO, "\t%s\n", buf);
>+ }
>
> return m;
> }
>
>
>------------------------------------------------------------------------
>
More information about the xorg
mailing list