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Diffstat (limited to 'src/radeon_modes.c')
-rw-r--r-- | src/radeon_modes.c | 785 |
1 files changed, 785 insertions, 0 deletions
diff --git a/src/radeon_modes.c b/src/radeon_modes.c new file mode 100644 index 00000000..94b1d5ba --- /dev/null +++ b/src/radeon_modes.c @@ -0,0 +1,785 @@ +/* + * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and + * VA Linux Systems Inc., Fremont, California. + * + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation on the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR + * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +/* + * Authors: + * Kevin E. Martin <martin@xfree86.org> + * Rickard E. Faith <faith@valinux.com> + * Alan Hourihane <alanh@fairlite.demon.co.uk> + */ + +#include <string.h> +#include <stdio.h> + +#include "xf86str.h" + /* Driver data structures */ +#include "radeon.h" +#include "radeon_reg.h" +#include "radeon_macros.h" +#include "radeon_probe.h" +#include "radeon_version.h" + + /* DDC support */ +#include "xf86DDC.h" + +/* Established timings from EDID standard */ +static struct +{ + int hsize; + int vsize; + int refresh; +} est_timings[] = { + {1280, 1024, 75}, + {1024, 768, 75}, + {1024, 768, 70}, + {1024, 768, 60}, + {1024, 768, 87}, + {832, 624, 75}, + {800, 600, 75}, + {800, 600, 72}, + {800, 600, 60}, + {800, 600, 56}, + {640, 480, 75}, + {640, 480, 72}, + {640, 480, 67}, + {640, 480, 60}, + {720, 400, 88}, + {720, 400, 70}, +}; + +/* This function will sort all modes according to their resolution. + * Highest resolution first. + */ +static void RADEONSortModes(DisplayModePtr *new, DisplayModePtr *first, + DisplayModePtr *last) +{ + DisplayModePtr p; + + p = *last; + while (p) { + if ((((*new)->HDisplay < p->HDisplay) && + ((*new)->VDisplay < p->VDisplay)) || + (((*new)->HDisplay == p->HDisplay) && + ((*new)->VDisplay == p->VDisplay) && + ((*new)->Clock < p->Clock))) { + + if (p->next) p->next->prev = *new; + (*new)->prev = p; + (*new)->next = p->next; + p->next = *new; + if (!((*new)->next)) *last = *new; + break; + } + if (!p->prev) { + (*new)->prev = NULL; + (*new)->next = p; + p->prev = *new; + *first = *new; + break; + } + p = p->prev; + } + + if (!*first) { + *first = *new; + (*new)->prev = NULL; + (*new)->next = NULL; + *last = *new; + } +} + +static void RADEONSetPitch (ScrnInfoPtr pScrn) +{ + int dummy = pScrn->virtualX; + RADEONInfoPtr info = RADEONPTR(pScrn); + + /* FIXME: May need to validate line pitch here */ + switch (pScrn->depth / 8) { + case 1: if (info->allowColorTiling) dummy = (pScrn->virtualX + 255) & ~255; + else dummy = (pScrn->virtualX + 127) & ~127; + break; + case 2: if (info->allowColorTiling) dummy = (pScrn->virtualX + 127) & ~127; + else dummy = (pScrn->virtualX + 31) & ~31; + break; + case 3: + case 4: if (info->allowColorTiling) dummy = (pScrn->virtualX + 63) & ~63; + else dummy = (pScrn->virtualX + 15) & ~15; + break; + } + pScrn->displayWidth = dummy; +} + +/* When no mode provided in config file, this will add all modes supported in + * DDC date the pScrn->modes list + */ +static DisplayModePtr RADEONDDCModes(ScrnInfoPtr pScrn) +{ + DisplayModePtr p; + DisplayModePtr last = NULL; + DisplayModePtr new = NULL; + DisplayModePtr first = NULL; + int count = 0; + int j, tmp; + char stmp[32]; + xf86MonPtr ddc = pScrn->monitor->DDC; + + /* Go thru detailed timing table first */ + for (j = 0; j < 4; j++) { + if (ddc->det_mon[j].type == 0) { + struct detailed_timings *d_timings = + &ddc->det_mon[j].section.d_timings; + + if (d_timings->h_active == 0 || d_timings->v_active == 0) break; + + new = xnfcalloc(1, sizeof (DisplayModeRec)); + memset(new, 0, sizeof (DisplayModeRec)); + + new->HDisplay = d_timings->h_active; + new->VDisplay = d_timings->v_active; + + sprintf(stmp, "%dx%d", new->HDisplay, new->VDisplay); + new->name = xnfalloc(strlen(stmp) + 1); + strcpy(new->name, stmp); + + new->HTotal = new->HDisplay + d_timings->h_blanking; + new->HSyncStart = new->HDisplay + d_timings->h_sync_off; + new->HSyncEnd = new->HSyncStart + d_timings->h_sync_width; + new->VTotal = new->VDisplay + d_timings->v_blanking; + new->VSyncStart = new->VDisplay + d_timings->v_sync_off; + new->VSyncEnd = new->VSyncStart + d_timings->v_sync_width; + new->Clock = d_timings->clock / 1000; + new->Flags = (d_timings->interlaced ? V_INTERLACE : 0); + new->status = MODE_OK; +#ifdef M_T_PREFERRED + if (PREFERRED_TIMING_MODE(ddc->features.msc)) + new->type = M_T_PREFERRED; + else +#endif + new->type = M_T_DEFAULT; + + if (d_timings->sync == 3) { + switch (d_timings->misc) { + case 0: new->Flags |= V_NHSYNC | V_NVSYNC; break; + case 1: new->Flags |= V_PHSYNC | V_NVSYNC; break; + case 2: new->Flags |= V_NHSYNC | V_PVSYNC; break; + case 3: new->Flags |= V_PHSYNC | V_PVSYNC; break; + } + } + count++; + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Valid Mode from Detailed timing table: %s\n", + new->name); + + RADEONSortModes(&new, &first, &last); + } + } + + /* Search thru standard VESA modes from EDID */ + for (j = 0; j < 8; j++) { + if (ddc->timings2[j].hsize == 0 || ddc->timings2[j].vsize == 0) + continue; + for (p = pScrn->monitor->Modes; p && p->next; p = p->next->next) { + /* Ignore all double scan modes */ + if ((ddc->timings2[j].hsize == p->HDisplay) && + (ddc->timings2[j].vsize == p->VDisplay)) { + float refresh = + (float)p->Clock * 1000.0 / p->HTotal / p->VTotal; + + if (abs((float)ddc->timings2[j].refresh - refresh) < 1.0) { + /* Is this good enough? */ + new = xnfcalloc(1, sizeof (DisplayModeRec)); + memcpy(new, p, sizeof(DisplayModeRec)); + new->name = xnfalloc(strlen(p->name) + 1); + strcpy(new->name, p->name); + new->status = MODE_OK; + new->type = M_T_DEFAULT; + + count++; + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Valid Mode from standard timing table: %s\n", + new->name); + + RADEONSortModes(&new, &first, &last); + break; + } + } + } + } + + /* Search thru established modes from EDID */ + tmp = (ddc->timings1.t1 << 8) | ddc->timings1.t2; + for (j = 0; j < 16; j++) { + if (tmp & (1 << j)) { + for (p = pScrn->monitor->Modes; p && p->next; p = p->next->next) { + if ((est_timings[j].hsize == p->HDisplay) && + (est_timings[j].vsize == p->VDisplay)) { + float refresh = + (float)p->Clock * 1000.0 / p->HTotal / p->VTotal; + + if (abs((float)est_timings[j].refresh - refresh) < 1.0) { + /* Is this good enough? */ + new = xnfcalloc(1, sizeof (DisplayModeRec)); + memcpy(new, p, sizeof(DisplayModeRec)); + new->name = xnfalloc(strlen(p->name) + 1); + strcpy(new->name, p->name); + new->status = MODE_OK; + new->type = M_T_DEFAULT; + + count++; + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Valid Mode from established timing " + "table: %s\n", new->name); + + RADEONSortModes(&new, &first, &last); + break; + } + } + } + } + } + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Total of %d mode(s) found.\n", count); + + return first; +} + +/* XFree86's xf86ValidateModes routine doesn't work well with DDC modes, + * so here is our own validation routine. + */ +int RADEONValidateDDCModes(ScrnInfoPtr pScrn1, char **ppModeName, + RADEONMonitorType DisplayType, int crtc2) +{ + RADEONInfoPtr info = RADEONPTR(pScrn1); + DisplayModePtr p; + DisplayModePtr last = NULL; + DisplayModePtr first = NULL; + DisplayModePtr ddcModes = NULL; + int count = 0; + int i, width, height; + ScrnInfoPtr pScrn = pScrn1; + + if (crtc2) + pScrn = info->CRT2pScrn; + + pScrn->virtualX = pScrn1->display->virtualX; + pScrn->virtualY = pScrn1->display->virtualY; + + if (pScrn->monitor->DDC) { + int maxVirtX = pScrn->virtualX; + int maxVirtY = pScrn->virtualY; + + /* Collect all of the DDC modes */ + first = last = ddcModes = RADEONDDCModes(pScrn); + + for (p = ddcModes; p; p = p->next) { + + /* If primary head is a flat panel, use RMX by default */ + if ((!info->IsSecondary && DisplayType != MT_CRT) && + (!info->ddc_mode) && (!crtc2)) { + /* These values are effective values after expansion. + * They are not really used to set CRTC registers. + */ + p->HTotal = info->PanelXRes + info->HBlank; + p->HSyncStart = info->PanelXRes + info->HOverPlus; + p->HSyncEnd = p->HSyncStart + info->HSyncWidth; + p->VTotal = info->PanelYRes + info->VBlank; + p->VSyncStart = info->PanelYRes + info->VOverPlus; + p->VSyncEnd = p->VSyncStart + info->VSyncWidth; + p->Clock = info->DotClock; + + p->Flags |= RADEON_USE_RMX; + } + + maxVirtX = MAX(maxVirtX, p->HDisplay); + maxVirtY = MAX(maxVirtY, p->VDisplay); + count++; + + last = p; + } + + /* Match up modes that are specified in the XF86Config file */ + if (ppModeName[0]) { + DisplayModePtr next; + + /* Reset the max virtual dimensions */ + maxVirtX = pScrn->virtualX; + maxVirtY = pScrn->virtualY; + + /* Reset list */ + first = last = NULL; + + for (i = 0; ppModeName[i]; i++) { + /* FIXME: Use HDisplay and VDisplay instead of mode string */ + if (sscanf(ppModeName[i], "%dx%d", &width, &height) == 2) { + for (p = ddcModes; p; p = next) { + next = p->next; + + if (p->HDisplay == width && p->VDisplay == height) { + /* We found a DDC mode that matches the one + requested in the XF86Config file */ + p->type |= M_T_USERDEF; + + /* Update the max virtual setttings */ + maxVirtX = MAX(maxVirtX, width); + maxVirtY = MAX(maxVirtY, height); + + /* Unhook from DDC modes */ + if (p->prev) p->prev->next = p->next; + if (p->next) p->next->prev = p->prev; + if (p == ddcModes) ddcModes = p->next; + + /* Add to used modes */ + if (last) { + last->next = p; + p->prev = last; + } else { + first = p; + p->prev = NULL; + } + p->next = NULL; + last = p; + + break; + } + } + } + } + + /* + * Add remaining DDC modes if they're smaller than the user + * specified modes + */ + for (p = ddcModes; p; p = next) { + next = p->next; + if (p->HDisplay <= maxVirtX && p->VDisplay <= maxVirtY) { + /* Unhook from DDC modes */ + if (p->prev) p->prev->next = p->next; + if (p->next) p->next->prev = p->prev; + if (p == ddcModes) ddcModes = p->next; + + /* Add to used modes */ + if (last) { + last->next = p; + p->prev = last; + } else { + first = p; + p->prev = NULL; + } + p->next = NULL; + last = p; + } + } + + /* Delete unused modes */ + while (ddcModes) + xf86DeleteMode(&ddcModes, ddcModes); + } else { + /* + * No modes were configured, so we make the DDC modes + * available for the user to cycle through. + */ + for (p = ddcModes; p; p = p->next) + p->type |= M_T_USERDEF; + } + + if (crtc2) { + pScrn->virtualX = maxVirtX; + pScrn->virtualY = maxVirtY; + } else { + pScrn->virtualX = pScrn->display->virtualX = maxVirtX; + pScrn->virtualY = pScrn->display->virtualY = maxVirtY; + } + } + + /* Close the doubly-linked mode list, if we found any usable modes */ + if (last) { + last->next = first; + first->prev = last; + pScrn->modes = first; + RADEONSetPitch(pScrn); + } + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Total number of valid DDC mode(s) found: %d\n", count); + + return count; +} + +/* This is used only when no mode is specified for FP and no ddc is + * available. We force it to native mode, if possible. + */ +static DisplayModePtr RADEONFPNativeMode(ScrnInfoPtr pScrn) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + DisplayModePtr new = NULL; + char stmp[32]; + + if (info->PanelXRes != 0 && + info->PanelYRes != 0 && + info->DotClock != 0) { + + /* Add native panel size */ + new = xnfcalloc(1, sizeof (DisplayModeRec)); + sprintf(stmp, "%dx%d", info->PanelXRes, info->PanelYRes); + new->name = xnfalloc(strlen(stmp) + 1); + strcpy(new->name, stmp); + new->HDisplay = info->PanelXRes; + new->VDisplay = info->PanelYRes; + + new->HTotal = new->HDisplay + info->HBlank; + new->HSyncStart = new->HDisplay + info->HOverPlus; + new->HSyncEnd = new->HSyncStart + info->HSyncWidth; + new->VTotal = new->VDisplay + info->VBlank; + new->VSyncStart = new->VDisplay + info->VOverPlus; + new->VSyncEnd = new->VSyncStart + info->VSyncWidth; + + new->Clock = info->DotClock; + new->Flags = 0; + new->type = M_T_USERDEF; + + new->next = NULL; + new->prev = NULL; + + pScrn->display->virtualX = + pScrn->virtualX = MAX(pScrn->virtualX, info->PanelXRes); + pScrn->display->virtualY = + pScrn->virtualY = MAX(pScrn->virtualY, info->PanelYRes); + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "No valid mode specified, force to native mode\n"); + } + + return new; +} + +/* FP mode initialization routine for using on-chip RMX to scale + */ +int RADEONValidateFPModes(ScrnInfoPtr pScrn, char **ppModeName) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + DisplayModePtr last = NULL; + DisplayModePtr new = NULL; + DisplayModePtr first = NULL; + DisplayModePtr p, tmp; + int count = 0; + int i, width, height; + + pScrn->virtualX = pScrn->display->virtualX; + pScrn->virtualY = pScrn->display->virtualY; + + /* We have a flat panel connected to the primary display, and we + * don't have any DDC info. + */ + for (i = 0; ppModeName[i] != NULL; i++) { + + if (sscanf(ppModeName[i], "%dx%d", &width, &height) != 2) continue; + + /* Note: We allow all non-standard modes as long as they do not + * exceed the native resolution of the panel. Since these modes + * need the internal RMX unit in the video chips (and there is + * only one per card), this will only apply to the primary head. + */ + if (width < 320 || width > info->PanelXRes || + height < 200 || height > info->PanelYRes) { + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Mode %s is out of range.\n", ppModeName[i]); + xf86DrvMsg(pScrn->scrnIndex, X_WARNING, + "Valid modes must be between 320x200-%dx%d\n", + info->PanelXRes, info->PanelYRes); + continue; + } + + new = xnfcalloc(1, sizeof(DisplayModeRec)); + new->name = xnfalloc(strlen(ppModeName[i]) + 1); + strcpy(new->name, ppModeName[i]); + new->HDisplay = width; + new->VDisplay = height; + + /* These values are effective values after expansion They are + * not really used to set CRTC registers. + */ + new->HTotal = info->PanelXRes + info->HBlank; + new->HSyncStart = info->PanelXRes + info->HOverPlus; + new->HSyncEnd = new->HSyncStart + info->HSyncWidth; + new->VTotal = info->PanelYRes + info->VBlank; + new->VSyncStart = info->PanelYRes + info->VOverPlus; + new->VSyncEnd = new->VSyncStart + info->VSyncWidth; + new->Clock = info->DotClock; + new->Flags |= RADEON_USE_RMX; + +#ifdef M_T_PREFERRED + if (width == info->PanelXRes && height == info->PanelYRes) + new->type |= M_T_PREFERRED; +#endif + + new->type |= M_T_USERDEF; + + new->next = NULL; + new->prev = last; + + if (last) last->next = new; + last = new; + if (!first) first = new; + + pScrn->display->virtualX = + pScrn->virtualX = MAX(pScrn->virtualX, width); + pScrn->display->virtualY = + pScrn->virtualY = MAX(pScrn->virtualY, height); + count++; + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Valid mode using on-chip RMX: %s\n", new->name); + } + + /* If all else fails, add the native mode */ + if (!count) { + first = last = RADEONFPNativeMode(pScrn); + if (first) count = 1; + } + + /* add in all default vesa modes smaller than panel size, used for randr*/ + for (p = pScrn->monitor->Modes; p && p->next; p = p->next->next) { + if ((p->HDisplay <= info->PanelXRes) && (p->VDisplay <= info->PanelYRes)) { + tmp = first; + while (tmp) { + if ((p->HDisplay == tmp->HDisplay) && (p->VDisplay == tmp->VDisplay)) break; + tmp = tmp->next; + } + if (!tmp) { + new = xnfcalloc(1, sizeof(DisplayModeRec)); + new->name = xnfalloc(strlen(p->name) + 1); + strcpy(new->name, p->name); + new->HDisplay = p->HDisplay; + new->VDisplay = p->VDisplay; + + /* These values are effective values after expansion They are + * not really used to set CRTC registers. + */ + new->HTotal = info->PanelXRes + info->HBlank; + new->HSyncStart = info->PanelXRes + info->HOverPlus; + new->HSyncEnd = new->HSyncStart + info->HSyncWidth; + new->VTotal = info->PanelYRes + info->VBlank; + new->VSyncStart = info->PanelYRes + info->VOverPlus; + new->VSyncEnd = new->VSyncStart + info->VSyncWidth; + new->Clock = info->DotClock; + new->Flags |= RADEON_USE_RMX; + + new->type |= M_T_DEFAULT; + + new->next = NULL; + new->prev = last; + + if (last) last->next = new; + last = new; + if (!first) first = new; + } + } + } + + /* Close the doubly-linked mode list, if we found any usable modes */ + if (last) { + last->next = first; + first->prev = last; + pScrn->modes = first; + RADEONSetPitch(pScrn); + } + + xf86DrvMsg(pScrn->scrnIndex, X_INFO, + "Total number of valid FP mode(s) found: %d\n", count); + + return count; +} + + +int RADEONValidateMergeModes(ScrnInfoPtr pScrn1) +{ + RADEONInfoPtr info = RADEONPTR(pScrn1); + ClockRangePtr clockRanges; + int modesFound; + ScrnInfoPtr pScrn = info->CRT2pScrn; + + /* fill in pScrn2 */ + pScrn->videoRam = pScrn1->videoRam; + pScrn->depth = pScrn1->depth; + pScrn->numClocks = pScrn1->numClocks; + pScrn->progClock = pScrn1->progClock; + pScrn->fbFormat = pScrn1->fbFormat; + pScrn->videoRam = pScrn1->videoRam; + pScrn->maxHValue = pScrn1->maxHValue; + pScrn->maxVValue = pScrn1->maxVValue; + pScrn->xInc = pScrn1->xInc; + + if (info->NoVirtual) { + pScrn1->display->virtualX = 0; + pScrn1->display->virtualY = 0; + } + + if (pScrn->monitor->DDC) { + /* If we still don't know sync range yet, let's try EDID. + * + * Note that, since we can have dual heads, Xconfigurator + * may not be able to probe both monitors correctly through + * vbe probe function (RADEONProbeDDC). Here we provide an + * additional way to auto-detect sync ranges if they haven't + * been added to XF86Config manually. + */ + if (pScrn->monitor->nHsync <= 0) + RADEONSetSyncRangeFromEdid(pScrn, 1); + if (pScrn->monitor->nVrefresh <= 0) + RADEONSetSyncRangeFromEdid(pScrn, 0); + } + + /* Get mode information */ + pScrn->progClock = TRUE; + clockRanges = xnfcalloc(sizeof(*clockRanges), 1); + clockRanges->next = NULL; + clockRanges->minClock = info->pll.min_pll_freq; + clockRanges->maxClock = info->pll.max_pll_freq * 10; + clockRanges->clockIndex = -1; + clockRanges->interlaceAllowed = (info->MergeType == MT_CRT); + clockRanges->doubleScanAllowed = (info->MergeType == MT_CRT); + + /* We'll use our own mode validation routine for DFP/LCD, since + * xf86ValidateModes does not work correctly with the DFP/LCD modes + * 'stretched' from their native mode. + */ + if (info->MergeType == MT_CRT && !info->ddc_mode) { + + modesFound = + xf86ValidateModes(pScrn, + pScrn->monitor->Modes, + pScrn1->display->modes, + clockRanges, + NULL, /* linePitches */ + 8 * 64, /* minPitch */ + 8 * 1024, /* maxPitch */ + info->allowColorTiling ? 2048 : + 64 * pScrn1->bitsPerPixel, /* pitchInc */ + 128, /* minHeight */ + info->MaxLines, /* maxHeight */ + pScrn1->display->virtualX ? pScrn1->virtualX : 0, + pScrn1->display->virtualY ? pScrn1->virtualY : 0, + info->FbMapSize, + LOOKUP_BEST_REFRESH); + + if (modesFound == -1) return 0; + + xf86PruneDriverModes(pScrn); + if (!modesFound || !pScrn->modes) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, "No valid modes found\n"); + return 0; + } + + } else { + /* First, free any allocated modes during configuration, since + * we don't need them + */ + while (pScrn->modes) + xf86DeleteMode(&pScrn->modes, pScrn->modes); + while (pScrn->modePool) + xf86DeleteMode(&pScrn->modePool, pScrn->modePool); + + /* Next try to add DDC modes */ + modesFound = RADEONValidateDDCModes(pScrn, pScrn1->display->modes, + info->MergeType, 1); + + /* If that fails and we're connect to a flat panel, then try to + * add the flat panel modes + */ + if (info->MergeType != MT_CRT) { + + /* some panels have DDC, but don't have internal scaler. + * in this case, we need to validate additional modes + * by using on-chip RMX. + */ + int user_modes_asked = 0, user_modes_found = 0, i; + DisplayModePtr tmp_mode = pScrn->modes; + while (pScrn1->display->modes[user_modes_asked]) user_modes_asked++; + if (tmp_mode) { + for (i = 0; i < modesFound; i++) { + if (tmp_mode->type & M_T_USERDEF) user_modes_found++; + tmp_mode = tmp_mode->next; + } + } + + if ((modesFound <= 1) || (user_modes_found < user_modes_asked)) { + /* when panel size is not valid, try to validate + * mode using xf86ValidateModes routine + * This can happen when DDC is disabled. + */ + /* if (info->PanelXRes < 320 || info->PanelYRes < 200) */ + modesFound = + xf86ValidateModes(pScrn, + pScrn->monitor->Modes, + pScrn1->display->modes, + clockRanges, + NULL, /* linePitches */ + 8 * 64, /* minPitch */ + 8 * 1024, /* maxPitch */ + info->allowColorTiling ? 2048 : + 64 * pScrn1->bitsPerPixel, /* pitchInc */ + 128, /* minHeight */ + info->MaxLines, /* maxHeight */ + pScrn1->display->virtualX, + pScrn1->display->virtualY, + info->FbMapSize, + LOOKUP_BEST_REFRESH); + + } + } + + /* Setup the screen's clockRanges for the VidMode extension */ + if (!pScrn->clockRanges) { + pScrn->clockRanges = xnfcalloc(sizeof(*(pScrn->clockRanges)), 1); + memcpy(pScrn->clockRanges, clockRanges, sizeof(*clockRanges)); + pScrn->clockRanges->strategy = LOOKUP_BEST_REFRESH; + } + + /* Fail if we still don't have any valid modes */ + if (modesFound < 1) { + if (info->MergeType == MT_CRT) { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "No valid DDC modes found for this CRT\n"); + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "Try turning off the \"DDCMode\" option\n"); + } else { + xf86DrvMsg(pScrn->scrnIndex, X_ERROR, + "No valid mode found for this DFP/LCD\n"); + } + return 0; + } + } + return modesFound; +} |