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EDID 1.4: Additional semantics for display feature bits. 

First mode is _always_ preferred in 1.4; the bit that used to mean this
now means that the preferred mode is also the native pixel format.  The
old "is GTF" bit now means "is continuous-frequency" instead.

Section 3.6.4, Table 3.14: Feature Support, Notes 4 and 5.
This commit is contained in:
Adam Jackson 2007-12-28 16:37:23 -05:00
parent 322d0103ae
commit 592d814ee0
1 changed files with 17 additions and 6 deletions
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23
hw/xfree86/ddc/print_edid.c
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@ -154,16 +154,27 @@ print_dpms_features(int scrnIndex, struct disp_features *c,
if (STD_COLOR_SPACE(c->msc))
xf86DrvMsg(scrnIndex,X_INFO,
"Default color space is primary color space\n");
if (PREFERRED_TIMING_MODE(c->msc))
xf86DrvMsg(scrnIndex,X_INFO,
if (PREFERRED_TIMING_MODE(c->msc) || v->revision >= 4) {
xf86DrvMsg(scrnIndex, X_INFO,
"First detailed timing is preferred mode\n");
else if (v->version == 1 && v->revision >= 3)
if (v->revision >= 4)
xf86DrvMsg(scrnIndex, X_INFO,
"Preferred mode is native pixel format and refresh rate\n");
} else if (v->revision == 3) {
xf86DrvMsg(scrnIndex,X_INFO,
"First detailed timing not preferred "
"mode in violation of standard!");
if (GFT_SUPPORTED(c->msc))
xf86DrvMsg(scrnIndex,X_INFO,
"GTF timings supported\n");
}
if (v->revision >= 4) {
if (GFT_SUPPORTED(c->msc)) {
xf86DrvMsg(scrnIndex, X_INFO, "Display is continuous-frequency\n");
}
} else {
if (GFT_SUPPORTED(c->msc))
xf86DrvMsg(scrnIndex, X_INFO, "GTF timings supported\n");
}
}
static void