Remove old edid_modes.c, it lives in hw/xfree86/modes/ now.
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/*
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 * Copyright 2006 Luc Verhaegen.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sub license,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf86.h"
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#include "xf86DDC.h"
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#include <X11/Xatom.h>
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#include "property.h"
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#include "propertyst.h"
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#include "xf86DDC.h"
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/*
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 * TODO:
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 *  - for those with access to the VESA DMT standard; review please.
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 */
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#define MODEPREFIX(name) NULL, NULL, name, 0,M_T_DRIVER
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#define MODESUFFIX   0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,FALSE,FALSE,0,NULL,0,0.0,0.0
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DisplayModeRec DDCEstablishedModes[17] = {
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    { MODEPREFIX("800x600"),    40000,  800,  840,  968, 1056, 0,  600,  601,  605,  628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz */
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    { MODEPREFIX("800x600"),    36000,  800,  824,  896, 1024, 0,  600,  601,  603,  625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@56Hz */
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    { MODEPREFIX("640x480"),    31500,  640,  656,  720,  840, 0,  480,  481,  484,  500, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@75Hz */
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    { MODEPREFIX("640x480"),    31500,  640,  664,  704,  832, 0,  480,  489,  491,  520, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@72Hz */
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    { MODEPREFIX("640x480"),    30240,  640,  704,  768,  864, 0,  480,  483,  486,  525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@67Hz */
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    { MODEPREFIX("640x480"),    25200,  640,  656,  752,  800, 0,  480,  490,  492,  525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz */
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    { MODEPREFIX("720x400"),    35500,  720,  738,  846,  900, 0,  400,  421,  423,  449, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 720x400@88Hz */
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    { MODEPREFIX("720x400"),    28320,  720,  738,  846,  900, 0,  400,  412,  414,  449, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x400@70Hz */
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    { MODEPREFIX("1280x1024"), 135000, 1280, 1296, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@75Hz */
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    { MODEPREFIX("1024x768"),   78800, 1024, 1040, 1136, 1312, 0,  768,  769,  772,  800, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1024x768@75Hz */
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    { MODEPREFIX("1024x768"),   75000, 1024, 1048, 1184, 1328, 0,  768,  771,  777,  806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@70Hz */
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    { MODEPREFIX("1024x768"),   65000, 1024, 1048, 1184, 1344, 0,  768,  771,  777,  806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz */
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    { MODEPREFIX("1024x768"),   44900, 1024, 1032, 1208, 1264, 0,  768,  768,  776,  817, 0, V_PHSYNC | V_PVSYNC | V_INTERLACE, MODESUFFIX }, /* 1024x768@43Hz */
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    { MODEPREFIX("832x624"),    57284,  832,  864,  928, 1152, 0,  624,  625,  628,  667, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 832x624@75Hz */
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    { MODEPREFIX("800x600"),    49500,  800,  816,  896, 1056, 0,  600,  601,  604,  625, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@75Hz */
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    { MODEPREFIX("800x600"),    50000,  800,  856,  976, 1040, 0,  600,  637,  643,  666, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@72Hz */
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    { MODEPREFIX("1152x864"),  108000, 1152, 1216, 1344, 1600, 0,  864,  865,  868,  900, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1152x864@75Hz */
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};
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static DisplayModePtr
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DDCModesFromEstablished(int scrnIndex, struct established_timings *timing)
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{
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    DisplayModePtr Modes = NULL, Mode = NULL;
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    CARD32 bits = (timing->t1) | (timing->t2 << 8) |
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        ((timing->t_manu & 0x80) << 9);
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    int i;
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    for (i = 0; i < 17; i++) {
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        if (bits & (0x01 << i)) {
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            Mode = xf86DuplicateMode(&DDCEstablishedModes[i]);
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            Modes = xf86ModesAdd(Modes, Mode);
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        }
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    }
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    return Modes;
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}
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/*
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 *
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 */
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static DisplayModePtr
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DDCModesFromStandardTiming(int scrnIndex, struct std_timings *timing)
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{
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    DisplayModePtr Modes = NULL, Mode = NULL;
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    int i;
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    for (i = 0; i < STD_TIMINGS; i++) {
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        if (timing[i].hsize && timing[i].vsize && timing[i].refresh) {
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            Mode =  xf86CVTMode(timing[i].hsize, timing[i].vsize,
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                                timing[i].refresh, FALSE, FALSE);
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	    Mode->type = M_T_DRIVER;
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            Modes = xf86ModesAdd(Modes, Mode);
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        }
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    }
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    return Modes;
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}
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/*
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 *
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 */
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static DisplayModePtr
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DDCModeFromDetailedTiming(int scrnIndex, struct detailed_timings *timing,
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			  int preferred)
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{
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    DisplayModePtr Mode;
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    /*
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     * Refuse to create modes that are insufficiently large.  64 is a random
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     * number, maybe the spec says something about what the minimum is.  In
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     * particular I see this frequently with _old_ EDID, 1.0 or so, so maybe
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     * our parser is just being too aggresive there.
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     */
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    if (timing->h_active < 64 || timing->v_active < 64) {
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	xf86DrvMsg(scrnIndex, X_INFO,
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		   "%s: Ignoring tiny %dx%d mode\n", __func__,
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		   timing->h_active, timing->v_active);
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	return NULL;
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    }
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    /* We don't do stereo */
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    if (timing->stereo) {
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        xf86DrvMsg(scrnIndex, X_INFO,
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		   "%s: Ignoring: We don't handle stereo.\n", __func__);
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        return NULL;
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    }
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    /* We only do seperate sync currently */
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    if (timing->sync != 0x03) {
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         xf86DrvMsg(scrnIndex, X_INFO,
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		    "%s: %dx%d Warning: We only handle seperate"
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                    " sync.\n", __func__, timing->h_active, timing->v_active);
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    }
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    Mode = xnfalloc(sizeof(DisplayModeRec));
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    memset(Mode, 0, sizeof(DisplayModeRec));
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    Mode->type = M_T_DRIVER;
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    if (preferred)
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	Mode->type |= M_T_PREFERRED;
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    Mode->Clock = timing->clock / 1000.0;
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    Mode->HDisplay = timing->h_active;
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    Mode->HSyncStart = timing->h_active + timing->h_sync_off;
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    Mode->HSyncEnd = Mode->HSyncStart + timing->h_sync_width;
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    Mode->HTotal = timing->h_active + timing->h_blanking;
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    Mode->VDisplay = timing->v_active;
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    Mode->VSyncStart = timing->v_active + timing->v_sync_off;
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    Mode->VSyncEnd = Mode->VSyncStart + timing->v_sync_width;
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    Mode->VTotal = timing->v_active + timing->v_blanking;
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    xf86SetModeDefaultName(Mode);
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    /* We ignore h/v_size and h/v_border for now. */
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    if (timing->interlaced)
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        Mode->Flags |= V_INTERLACE;
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    if (timing->misc & 0x02)
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        Mode->Flags |= V_PHSYNC;
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    else
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        Mode->Flags |= V_NHSYNC;
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    if (timing->misc & 0x01)
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        Mode->Flags |= V_PVSYNC;
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    else
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        Mode->Flags |= V_NVSYNC;
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    return Mode;
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}
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/*
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 *
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 */
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static void
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DDCGuessRangesFromModes(int scrnIndex, MonPtr Monitor, DisplayModePtr Modes)
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{
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    DisplayModePtr Mode = Modes;
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    if (!Monitor || !Modes)
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        return;
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    /* set up the ranges for scanning through the modes */
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    Monitor->nHsync = 1;
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    Monitor->hsync[0].lo = 1024.0;
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    Monitor->hsync[0].hi = 0.0;
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    Monitor->nVrefresh = 1;
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    Monitor->vrefresh[0].lo = 1024.0;
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    Monitor->vrefresh[0].hi = 0.0;
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    while (Mode) {
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        if (!Mode->HSync)
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            Mode->HSync = ((float) Mode->Clock ) / ((float) Mode->HTotal);
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        if (!Mode->VRefresh)
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            Mode->VRefresh = (1000.0 * ((float) Mode->Clock)) / 
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                ((float) (Mode->HTotal * Mode->VTotal));
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        if (Mode->HSync < Monitor->hsync[0].lo)
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            Monitor->hsync[0].lo = Mode->HSync;
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        if (Mode->HSync > Monitor->hsync[0].hi)
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            Monitor->hsync[0].hi = Mode->HSync;
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        if (Mode->VRefresh < Monitor->vrefresh[0].lo)
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            Monitor->vrefresh[0].lo = Mode->VRefresh;
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        if (Mode->VRefresh > Monitor->vrefresh[0].hi)
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            Monitor->vrefresh[0].hi = Mode->VRefresh;
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        Mode = Mode->next;
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    }
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}
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DisplayModePtr
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xf86DDCGetModes(int scrnIndex, xf86MonPtr DDC)
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{
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    int preferred, i;
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    DisplayModePtr Modes = NULL, Mode;
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    preferred = PREFERRED_TIMING_MODE(DDC->features.msc);
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    /* Add established timings */
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    Mode = DDCModesFromEstablished(scrnIndex, &DDC->timings1);
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    Modes = xf86ModesAdd(Modes, Mode);
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    /* Add standard timings */
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    Mode = DDCModesFromStandardTiming(scrnIndex, DDC->timings2);
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    Modes = xf86ModesAdd(Modes, Mode);
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    for (i = 0; i < DET_TIMINGS; i++) {
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	struct detailed_monitor_section *det_mon = &DDC->det_mon[i];
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        switch (det_mon->type) {
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        case DT:
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            Mode = DDCModeFromDetailedTiming(scrnIndex,
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                                             &det_mon->section.d_timings,
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					     preferred);
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	    preferred = 0;
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            Modes = xf86ModesAdd(Modes, Mode);
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            break;
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        case DS_STD_TIMINGS:
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            Mode = DDCModesFromStandardTiming(scrnIndex,
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					      det_mon->section.std_t);
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            Modes = xf86ModesAdd(Modes, Mode);
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            break;
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        default:
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            break;
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        }
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    }
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    return Modes;
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}
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/*
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 * Fill out MonPtr with xf86MonPtr information.
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 */
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void
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xf86DDCMonitorSet(int scrnIndex, MonPtr Monitor, xf86MonPtr DDC)
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{
 | 
			
		||||
    DisplayModePtr Modes = NULL, Mode;
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    int i, clock;
 | 
			
		||||
    Bool have_hsync = FALSE, have_vrefresh = FALSE;
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		||||
    if (!Monitor || !DDC)
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        return;
 | 
			
		||||
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		||||
    Monitor->DDC = DDC;
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		||||
 | 
			
		||||
    Monitor->widthmm = 10 * DDC->features.hsize;
 | 
			
		||||
    Monitor->heightmm = 10 * DDC->features.vsize;
 | 
			
		||||
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		||||
    /* If this is a digital display, then we can use reduced blanking */
 | 
			
		||||
    if (DDC->features.input_type)
 | 
			
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        Monitor->reducedblanking = TRUE;
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		||||
    /* Allow the user to also enable this through config */
 | 
			
		||||
 | 
			
		||||
    Modes = xf86DDCGetModes(scrnIndex, DDC);
 | 
			
		||||
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		||||
    /* Skip EDID ranges if they were specified in the config file */
 | 
			
		||||
    have_hsync = (Monitor->nHsync != 0);
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		||||
    have_vrefresh = (Monitor->nVrefresh != 0);
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		||||
 | 
			
		||||
    /* Go through the detailed monitor sections */
 | 
			
		||||
    for (i = 0; i < DET_TIMINGS; i++) {
 | 
			
		||||
        switch (DDC->det_mon[i].type) {
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		||||
        case DS_RANGES:
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		||||
	    if (!have_hsync) {
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		if (!Monitor->nHsync)
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		    xf86DrvMsg(scrnIndex, X_INFO,
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			    "Using EDID range info for horizontal sync\n");
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		||||
		Monitor->hsync[Monitor->nHsync].lo =
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		    DDC->det_mon[i].section.ranges.min_h;
 | 
			
		||||
		Monitor->hsync[Monitor->nHsync].hi =
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		||||
		    DDC->det_mon[i].section.ranges.max_h;
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		||||
		Monitor->nHsync++;
 | 
			
		||||
	    } else {
 | 
			
		||||
		xf86DrvMsg(scrnIndex, X_INFO,
 | 
			
		||||
			"Using hsync ranges from config file\n");
 | 
			
		||||
	    }
 | 
			
		||||
 | 
			
		||||
	    if (!have_vrefresh) {
 | 
			
		||||
		if (!Monitor->nVrefresh)
 | 
			
		||||
		    xf86DrvMsg(scrnIndex, X_INFO,
 | 
			
		||||
			    "Using EDID range info for vertical refresh\n");
 | 
			
		||||
		Monitor->vrefresh[Monitor->nVrefresh].lo =
 | 
			
		||||
		    DDC->det_mon[i].section.ranges.min_v;
 | 
			
		||||
		Monitor->vrefresh[Monitor->nVrefresh].hi =
 | 
			
		||||
		    DDC->det_mon[i].section.ranges.max_v;
 | 
			
		||||
		Monitor->nVrefresh++;
 | 
			
		||||
	    } else {
 | 
			
		||||
		xf86DrvMsg(scrnIndex, X_INFO,
 | 
			
		||||
			"Using vrefresh ranges from config file\n");
 | 
			
		||||
	    }
 | 
			
		||||
 | 
			
		||||
	    clock = DDC->det_mon[i].section.ranges.max_clock * 1000;
 | 
			
		||||
	    if (clock > Monitor->maxPixClock)
 | 
			
		||||
		Monitor->maxPixClock = clock;
 | 
			
		||||
 | 
			
		||||
            break;
 | 
			
		||||
        default:
 | 
			
		||||
            break;
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    if (Modes) {
 | 
			
		||||
        /* Print Modes */
 | 
			
		||||
        xf86DrvMsg(scrnIndex, X_INFO, "Printing DDC gathered Modelines:\n");
 | 
			
		||||
 | 
			
		||||
        Mode = Modes;
 | 
			
		||||
        while (Mode) {
 | 
			
		||||
            xf86PrintModeline(scrnIndex, Mode);
 | 
			
		||||
            Mode = Mode->next;
 | 
			
		||||
        }
 | 
			
		||||
 | 
			
		||||
        /* Do we still need ranges to be filled in? */
 | 
			
		||||
        if (!Monitor->nHsync || !Monitor->nVrefresh)
 | 
			
		||||
            DDCGuessRangesFromModes(scrnIndex, Monitor, Modes);
 | 
			
		||||
 | 
			
		||||
        /* look for last Mode */
 | 
			
		||||
        Mode = Modes;
 | 
			
		||||
 | 
			
		||||
        while (Mode->next)
 | 
			
		||||
            Mode = Mode->next;
 | 
			
		||||
 | 
			
		||||
        /* add to MonPtr */
 | 
			
		||||
        if (Monitor->Modes) {
 | 
			
		||||
            Monitor->Last->next = Modes;
 | 
			
		||||
            Modes->prev = Monitor->Last;
 | 
			
		||||
            Monitor->Last = Mode;
 | 
			
		||||
        } else {
 | 
			
		||||
            Monitor->Modes = Modes;
 | 
			
		||||
            Monitor->Last = Mode;
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
}
 | 
			
		||||
		Loading…
	
		Reference in New Issue