diff options
Diffstat (limited to 'xorg-server/hw/xfree86/ddc/ddcProperty.c')
-rw-r--r-- | xorg-server/hw/xfree86/ddc/ddcProperty.c | 47 |
1 files changed, 4 insertions, 43 deletions
diff --git a/xorg-server/hw/xfree86/ddc/ddcProperty.c b/xorg-server/hw/xfree86/ddc/ddcProperty.c index 5d6eec927..c3aced5c2 100644 --- a/xorg-server/hw/xfree86/ddc/ddcProperty.c +++ b/xorg-server/hw/xfree86/ddc/ddcProperty.c @@ -33,7 +33,6 @@ #include <string.h> #define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA" -#define EDID2_ATOM_NAME "XFree86_DDC_EDID2_RAWDATA" static void edidMakeAtom(int i, const char *name, CARD8 *data, int size) @@ -52,59 +51,21 @@ edidMakeAtom(int i, const char *name, CARD8 *data, int size) static void addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC) { - int i, scrnIndex = pScrn->scrnIndex; - Bool makeEDID1prop = FALSE; - Bool makeEDID2prop = FALSE; + int scrnIndex = pScrn->scrnIndex; if (DDC->flags & MONITOR_DISPLAYID) { /* Don't bother, use RANDR already */ return; } else if (DDC->ver.version == 1) { - makeEDID1prop = TRUE; - } else if (DDC->ver.version == 2) { - int checksum1; - int checksum2; - makeEDID2prop = TRUE; + int size = 128 + + (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0); - /* Some monitors (eg Panasonic PanaSync4) - * report version==2 because they used EDID v2 spec document, - * although they use EDID v1 data structure :-( - * - * Try using checksum to determine when we have such a monitor. - */ - checksum2 = 0; - for (i = 0; i < 256; i++) - checksum2 += DDC->rawData[i]; - if (checksum2 % 256) { - xf86DrvMsg(scrnIndex, X_INFO, "Monitor EDID v2 checksum failed\n"); - xf86DrvMsg(scrnIndex, X_INFO, - "XFree86_DDC_EDID2_RAWDATA property may be bad\n"); - checksum1 = 0; - for (i = 0; i < 128; i++) - checksum1 += DDC->rawData[i]; - if (!(checksum1 % 256)) { - xf86DrvMsg(scrnIndex, X_INFO, - "Monitor EDID v1 checksum passed,\n"); - xf86DrvMsg(scrnIndex, X_INFO, - "XFree86_DDC_EDID1_RAWDATA property created\n"); - makeEDID1prop = TRUE; - } - } + edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size); } else { xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n", DDC->ver.version, DDC->ver.revision); return; } - - if (makeEDID1prop) { - int size = 128 + - (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0); - - edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size); - } - - if (makeEDID2prop) - edidMakeAtom(scrnIndex, EDID2_ATOM_NAME, DDC->rawData, 256); } Bool |