/* $XdotOrg: xc/programs/Xserver/hw/xfree86/common/xf86RandR.c,v 1.3 2004/07/30 21:53:09 eich Exp $ */ /* * $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86RandR.c,v 1.7tsi Exp $ * * Copyright © 2002 Keith Packard, member of The XFree86 Project, Inc. * * Permission to use, copy, modify, distribute, and sell this software and its * documentation for any purpose is hereby granted without fee, provided that * the above copyright notice appear in all copies and that both that * copyright notice and this permission notice appear in supporting * documentation, and that the name of Keith Packard not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Keith Packard makes no * representations about the suitability of this software for any purpose. It * is provided "as is" without express or implied warranty. * * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "xf86.h" #include "os.h" #include "mibank.h" #include "globals.h" #include "xf86.h" #include "xf86Priv.h" #include "xf86DDC.h" #include "mipointer.h" #include "windowstr.h" #include #include #include "i830_xf86Crtc.h" #include "i830_randr.h" #include "i830_display.h" #include "i830.h" typedef struct _xf86RandR12Info { int virtualX; int virtualY; int mmWidth; int mmHeight; int maxX; int maxY; Rotation rotation; /* current mode */ Rotation supported_rotations; /* driver supported */ } XF86RandRInfoRec, *XF86RandRInfoPtr; #ifdef RANDR_12_INTERFACE static Bool xf86RandR12Init12 (ScreenPtr pScreen); static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen); #endif static int xf86RandR12Index; static int xf86RandR12Generation; #define XF86RANDRINFO(p) \ ((XF86RandRInfoPtr)(p)->devPrivates[xf86RandR12Index].ptr) static int xf86RandR12ModeRefresh (DisplayModePtr mode) { if (mode->VRefresh) return (int) (mode->VRefresh + 0.5); else return (int) (mode->Clock * 1000.0 / mode->HTotal / mode->VTotal + 0.5); } static Bool xf86RandR12GetInfo (ScreenPtr pScreen, Rotation *rotations) { RRScreenSizePtr pSize; ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); DisplayModePtr mode; int refresh0 = 60; int maxX = 0, maxY = 0; *rotations = randrp->supported_rotations; if (randrp->virtualX == -1 || randrp->virtualY == -1) { randrp->virtualX = scrp->virtualX; randrp->virtualY = scrp->virtualY; } /* Re-probe the outputs for new monitors or modes */ I830ValidateXF86ModeList(scrp, FALSE); for (mode = scrp->modes; ; mode = mode->next) { int refresh = xf86RandR12ModeRefresh (mode); if (randrp->maxX == 0 || randrp->maxY == 0) { if (maxX < mode->HDisplay) maxX = mode->HDisplay; if (maxY < mode->VDisplay) maxY = mode->VDisplay; } if (mode == scrp->modes) refresh0 = refresh; pSize = RRRegisterSize (pScreen, mode->HDisplay, mode->VDisplay, randrp->mmWidth, randrp->mmHeight); if (!pSize) return FALSE; RRRegisterRate (pScreen, pSize, refresh); if (xf86ModesEqual(mode, scrp->currentMode) && mode->HDisplay == scrp->virtualX && mode->VDisplay == scrp->virtualY) { RRSetCurrentConfig (pScreen, randrp->rotation, refresh, pSize); } if (mode->next == scrp->modes) break; } if (randrp->maxX == 0 || randrp->maxY == 0) { randrp->maxX = maxX; randrp->maxY = maxY; } if (scrp->currentMode->HDisplay != randrp->virtualX || scrp->currentMode->VDisplay != randrp->virtualY) { pSize = RRRegisterSize (pScreen, randrp->virtualX, randrp->virtualY, randrp->mmWidth, randrp->mmHeight); if (!pSize) return FALSE; RRRegisterRate (pScreen, pSize, refresh0); if (scrp->virtualX == randrp->virtualX && scrp->virtualY == randrp->virtualY) { RRSetCurrentConfig (pScreen, randrp->rotation, refresh0, pSize); } } return TRUE; } static Bool xf86RandR12SetMode (ScreenPtr pScreen, DisplayModePtr mode, Bool useVirtual, int mmWidth, int mmHeight) { ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); int oldWidth = pScreen->width; int oldHeight = pScreen->height; int oldmmWidth = pScreen->mmWidth; int oldmmHeight = pScreen->mmHeight; WindowPtr pRoot = WindowTable[pScreen->myNum]; DisplayModePtr currentMode = NULL; Bool ret = TRUE; PixmapPtr pspix = NULL; if (pRoot) (*scrp->EnableDisableFBAccess) (pScreen->myNum, FALSE); if (useVirtual) { scrp->virtualX = randrp->virtualX; scrp->virtualY = randrp->virtualY; } else { scrp->virtualX = mode->HDisplay; scrp->virtualY = mode->VDisplay; } if(randrp->rotation & (RR_Rotate_90 | RR_Rotate_270)) { /* If the screen is rotated 90 or 270 degrees, swap the sizes. */ pScreen->width = scrp->virtualY; pScreen->height = scrp->virtualX; pScreen->mmWidth = mmHeight; pScreen->mmHeight = mmWidth; } else { pScreen->width = scrp->virtualX; pScreen->height = scrp->virtualY; pScreen->mmWidth = mmWidth; pScreen->mmHeight = mmHeight; } if (scrp->currentMode == mode) { /* Save current mode */ currentMode = scrp->currentMode; /* Reset, just so we ensure the drivers SwitchMode is called */ scrp->currentMode = NULL; } /* * We know that if the driver failed to SwitchMode to the rotated * version, then it should revert back to it's prior mode. */ if (!xf86SwitchMode (pScreen, mode)) { ret = FALSE; scrp->virtualX = pScreen->width = oldWidth; scrp->virtualY = pScreen->height = oldHeight; pScreen->mmWidth = oldmmWidth; pScreen->mmHeight = oldmmHeight; scrp->currentMode = currentMode; } /* * Get the new Screen pixmap ptr as SwitchMode might have called * ModifyPixmapHeader and xf86EnableDisableFBAccess will put it back... * Unfortunately. */ pspix = (*pScreen->GetScreenPixmap) (pScreen); if (pspix->devPrivate.ptr) scrp->pixmapPrivate = pspix->devPrivate; /* * Make sure the layout is correct */ xf86ReconfigureLayout(); /* * Make sure the whole screen is visible */ xf86SetViewport (pScreen, pScreen->width, pScreen->height); xf86SetViewport (pScreen, 0, 0); if (pRoot) (*scrp->EnableDisableFBAccess) (pScreen->myNum, TRUE); return ret; } Bool xf86RandR12SetConfig (ScreenPtr pScreen, Rotation rotation, int rate, RRScreenSizePtr pSize) { ScrnInfoPtr scrp = XF86SCRNINFO(pScreen); XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); DisplayModePtr mode; int px, py; Bool useVirtual = FALSE; int maxX = 0, maxY = 0; Rotation oldRotation = randrp->rotation; randrp->rotation = rotation; if (randrp->virtualX == -1 || randrp->virtualY == -1) { randrp->virtualX = scrp->virtualX; randrp->virtualY = scrp->virtualY; } miPointerPosition (&px, &py); for (mode = scrp->modes; ; mode = mode->next) { if (randrp->maxX == 0 || randrp->maxY == 0) { if (maxX < mode->HDisplay) maxX = mode->HDisplay; if (maxY < mode->VDisplay) maxY = mode->VDisplay; } if (mode->HDisplay == pSize->width && mode->VDisplay == pSize->height && (rate == 0 || xf86RandR12ModeRefresh (mode) == rate)) break; if (mode->next == scrp->modes) { if (pSize->width == randrp->virtualX && pSize->height == randrp->virtualY) { mode = scrp->modes; useVirtual = TRUE; break; } if (randrp->maxX == 0 || randrp->maxY == 0) { randrp->maxX = maxX; randrp->maxY = maxY; } return FALSE; } } if (randrp->maxX == 0 || randrp->maxY == 0) { randrp->maxX = maxX; randrp->maxY = maxY; } if (!xf86RandR12SetMode (pScreen, mode, useVirtual, pSize->mmWidth, pSize->mmHeight)) { randrp->rotation = oldRotation; return FALSE; } /* * Move the cursor back where it belongs; SwitchMode repositions it */ if (pScreen == miPointerCurrentScreen ()) { px = (px >= pScreen->width ? (pScreen->width - 1) : px); py = (py >= pScreen->height ? (pScreen->height - 1) : py); xf86SetViewport(pScreen, px, py); (*pScreen->SetCursorPosition) (pScreen, px, py, FALSE); } return TRUE; } Rotation xf86RandR12GetRotation(ScreenPtr pScreen) { XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); return randrp->rotation; } Bool xf86RandR12CreateScreenResources (ScreenPtr pScreen) { #if 0 ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; I830Ptr pI830 = I830PTR(pScrn); #endif #ifdef PANORAMIX /* XXX disable RandR when using Xinerama */ if (!noPanoramiXExtension) return TRUE; #endif #if RANDR_12_INTERFACE if (xf86RandR12CreateScreenResources12 (pScreen)) return TRUE; #endif #if 0 /* XXX deal with initial rotation */ if (pI830->rotation != RR_Rotate_0) { RRScreenSize p; Rotation requestedRotation = pI830->rotation; pI830->rotation = RR_Rotate_0; /* Just setup enough for an initial rotate */ p.width = pScreen->width; p.height = pScreen->height; p.mmWidth = pScreen->mmWidth; p.mmHeight = pScreen->mmHeight; pI830->starting = TRUE; /* abuse this for dual head & rotation */ xf86RandR12SetConfig (pScreen, requestedRotation, 0, &p); pI830->starting = FALSE; } #endif return TRUE; } Bool xf86RandR12Init (ScreenPtr pScreen) { rrScrPrivPtr rp; XF86RandRInfoPtr randrp; #ifdef PANORAMIX /* XXX disable RandR when using Xinerama */ if (!noPanoramiXExtension) return TRUE; #endif if (xf86RandR12Generation != serverGeneration) { xf86RandR12Index = AllocateScreenPrivateIndex(); xf86RandR12Generation = serverGeneration; } randrp = xalloc (sizeof (XF86RandRInfoRec)); if (!randrp) return FALSE; if (!RRScreenInit(pScreen)) { xfree (randrp); return FALSE; } rp = rrGetScrPriv(pScreen); rp->rrGetInfo = xf86RandR12GetInfo; rp->rrSetConfig = xf86RandR12SetConfig; randrp->virtualX = -1; randrp->virtualY = -1; randrp->mmWidth = pScreen->mmWidth; randrp->mmHeight = pScreen->mmHeight; randrp->rotation = RR_Rotate_0; /* initial rotated mode */ randrp->supported_rotations = RR_Rotate_0; randrp->maxX = randrp->maxY = 0; pScreen->devPrivates[xf86RandR12Index].ptr = randrp; #if RANDR_12_INTERFACE if (!xf86RandR12Init12 (pScreen)) return FALSE; #endif return TRUE; } void xf86RandR12SetRotations (ScreenPtr pScreen, Rotation rotations) { XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); randrp->supported_rotations = rotations; } void xf86RandR12GetOriginalVirtualSize(ScrnInfoPtr pScrn, int *x, int *y) { ScreenPtr pScreen = screenInfo.screens[pScrn->scrnIndex]; if (xf86RandR12Generation != serverGeneration || XF86RANDRINFO(pScreen)->virtualX == -1) { *x = pScrn->virtualX; *y = pScrn->virtualY; } else { XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); *x = randrp->virtualX; *y = randrp->virtualY; } } #if RANDR_12_INTERFACE static Bool xf86RandR12ScreenSetSize (ScreenPtr pScreen, CARD16 width, CARD16 height, CARD32 mmWidth, CARD32 mmHeight) { XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); WindowPtr pRoot = WindowTable[pScreen->myNum]; Bool ret = TRUE; if (randrp->virtualX == -1 || randrp->virtualY == -1) { randrp->virtualX = pScrn->virtualX; randrp->virtualY = pScrn->virtualY; } if (pRoot) (*pScrn->EnableDisableFBAccess) (pScreen->myNum, FALSE); pScrn->virtualX = width; pScrn->virtualY = height; pScreen->width = pScrn->virtualX; pScreen->height = pScrn->virtualY; pScreen->mmWidth = mmWidth; pScreen->mmHeight = mmHeight; xf86SetViewport (pScreen, pScreen->width, pScreen->height); xf86SetViewport (pScreen, 0, 0); if (pRoot) (*pScrn->EnableDisableFBAccess) (pScreen->myNum, TRUE); if (WindowTable[pScreen->myNum]) RRScreenSizeNotify (pScreen); return ret; } static Bool xf86RandR12CrtcNotify (RRCrtcPtr randr_crtc) { ScreenPtr pScreen = randr_crtc->pScreen; ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; I830Ptr pI830 = I830PTR(pScrn); RRModePtr randr_mode = NULL; int x; int y; Rotation rotation; int numOutputs; RROutputPtr randr_outputs[MAX_OUTPUTS]; RROutputPtr randr_output; xf86CrtcPtr crtc = randr_crtc->devPrivate; xf86OutputPtr output; int i, j; DisplayModePtr curMode = &crtc->curMode; x = crtc->x; y = crtc->y; rotation = RR_Rotate_0; numOutputs = 0; randr_mode = NULL; for (i = 0; i < pI830->xf86_config.num_output; i++) { output = pI830->xf86_config.output[i]; if (output->crtc == crtc) { randr_output = output->randr_output; randr_outputs[numOutputs++] = randr_output; /* * We make copies of modes, so pointer equality * isn't sufficient */ for (j = 0; j < randr_output->numModes; j++) { DisplayModePtr outMode = randr_output->modes[j]->devPrivate; if (xf86ModesEqual(curMode, outMode)) { randr_mode = randr_output->modes[j]; break; } } } } return RRCrtcNotify (randr_crtc, randr_mode, x, y, rotation, numOutputs, randr_outputs); } static Bool xf86RandR12CrtcSet (ScreenPtr pScreen, RRCrtcPtr randr_crtc, RRModePtr randr_mode, int x, int y, Rotation rotation, int num_randr_outputs, RROutputPtr *randr_outputs) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; I830Ptr pI830 = I830PTR(pScrn); xf86CrtcPtr crtc = randr_crtc->devPrivate; DisplayModePtr mode = randr_mode ? randr_mode->devPrivate : NULL; Bool changed = FALSE; int o, ro; xf86CrtcPtr save_crtcs[MAX_OUTPUTS]; Bool save_enabled = crtc->enabled; if ((mode != NULL) != crtc->enabled) changed = TRUE; else if (mode && !xf86ModesEqual (&crtc->curMode, mode)) changed = TRUE; for (o = 0; o < pI830->xf86_config.num_output; o++) { xf86OutputPtr output = pI830->xf86_config.output[o]; xf86CrtcPtr new_crtc; save_crtcs[o] = output->crtc; if (output->crtc == crtc) new_crtc = NULL; else new_crtc = output->crtc; for (ro = 0; ro < num_randr_outputs; ro++) if (output->randr_output == randr_outputs[ro]) { new_crtc = crtc; break; } if (new_crtc != output->crtc) { changed = TRUE; output->crtc = new_crtc; } } if (changed) { crtc->enabled = mode != NULL; /* Sync the engine before adjust mode */ if (pI830->AccelInfoRec && pI830->AccelInfoRec->NeedToSync) { (*pI830->AccelInfoRec->Sync)(pScrn); pI830->AccelInfoRec->NeedToSync = FALSE; } if (mode) { if (!i830PipeSetMode (crtc, mode, TRUE)) { crtc->enabled = save_enabled; for (o = 0; o < pI830->xf86_config.num_output; o++) { xf86OutputPtr output = pI830->xf86_config.output[o]; output->crtc = save_crtcs[o]; } return FALSE; } crtc->desiredMode = *mode; i830PipeSetBase(crtc, x, y); } i830DisableUnusedFunctions (pScrn); } return xf86RandR12CrtcNotify (randr_crtc); } static Bool xf86RandR12CrtcSetGamma (ScreenPtr pScreen, RRCrtcPtr crtc) { return FALSE; } /** * Given a list of xf86 modes and a RandR Output object, construct * RandR modes and assign them to the output */ static Bool I830xf86RROutputSetModes (RROutputPtr randr_output, DisplayModePtr modes) { DisplayModePtr mode; RRModePtr *rrmodes = NULL; int nmode = 0; int npreferred = 0; Bool ret = TRUE; int pref; for (mode = modes; mode; mode = mode->next) nmode++; if (nmode) { rrmodes = xalloc (nmode * sizeof (RRModePtr)); if (!rrmodes) return FALSE; nmode = 0; for (pref = 1; pref >= 0; pref--) { for (mode = modes; mode; mode = mode->next) { if ((pref != 0) == ((mode->type & M_T_PREFERRED) != 0)) { xRRModeInfo modeInfo; RRModePtr rrmode; modeInfo.nameLength = strlen (mode->name); modeInfo.width = mode->HDisplay; modeInfo.dotClock = mode->Clock * 1000; modeInfo.hSyncStart = mode->HSyncStart; modeInfo.hSyncEnd = mode->HSyncEnd; modeInfo.hTotal = mode->HTotal; modeInfo.hSkew = mode->HSkew; modeInfo.height = mode->VDisplay; modeInfo.vSyncStart = mode->VSyncStart; modeInfo.vSyncEnd = mode->VSyncEnd; modeInfo.vTotal = mode->VTotal; modeInfo.modeFlags = mode->Flags; rrmode = RRModeGet (&modeInfo, mode->name); rrmode->devPrivate = mode; if (rrmode) { rrmodes[nmode++] = rrmode; npreferred += pref; } } } } } ret = RROutputSetModes (randr_output, rrmodes, nmode, npreferred); xfree (rrmodes); return ret; } /* * Mirror the current mode configuration to RandR */ static Bool xf86RandR12SetInfo12 (ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); RROutputPtr clones[MAX_OUTPUTS]; RRCrtcPtr crtcs[MAX_DISPLAY_PIPES]; int ncrtc; int o, c, p; int clone_types; int crtc_types; int subpixel; RRCrtcPtr randr_crtc; int nclone; for (o = 0; o < pI830->xf86_config.num_output; o++) { xf86OutputPtr output = pI830->xf86_config.output[o]; I830OutputPrivatePtr intel_output = output->driver_private; /* * Valid crtcs */ switch (intel_output->type) { case I830_OUTPUT_DVO: case I830_OUTPUT_SDVO: crtc_types = ((1 << 0)| (1 << 1)); clone_types = ((1 << I830_OUTPUT_ANALOG) | (1 << I830_OUTPUT_DVO) | (1 << I830_OUTPUT_SDVO)); subpixel = SubPixelHorizontalRGB; break; case I830_OUTPUT_ANALOG: crtc_types = ((1 << 0)); clone_types = ((1 << I830_OUTPUT_ANALOG) | (1 << I830_OUTPUT_DVO) | (1 << I830_OUTPUT_SDVO)); subpixel = SubPixelNone; break; case I830_OUTPUT_LVDS: crtc_types = (1 << 1); clone_types = (1 << I830_OUTPUT_LVDS); subpixel = SubPixelHorizontalRGB; break; case I830_OUTPUT_TVOUT: crtc_types = ((1 << 0) | (1 << 1)); clone_types = (1 << I830_OUTPUT_TVOUT); subpixel = SubPixelNone; break; default: crtc_types = 0; clone_types = 0; subpixel = SubPixelUnknown; break; } ncrtc = 0; for (p = 0; p < pI830->xf86_config.num_crtc; p++) if (crtc_types & (1 << p)) crtcs[ncrtc++] = pI830->xf86_config.crtc[p]->randr_crtc; if (output->crtc) randr_crtc = output->crtc->randr_crtc; else randr_crtc = NULL; if (!RROutputSetCrtcs (output->randr_output, crtcs, ncrtc)) return FALSE; RROutputSetCrtc (output->randr_output, randr_crtc); RROutputSetPhysicalSize(output->randr_output, output->mm_width, output->mm_height); I830xf86RROutputSetModes (output->randr_output, output->probed_modes); switch ((*output->funcs->detect)(output)) { case OUTPUT_STATUS_CONNECTED: RROutputSetConnection (output->randr_output, RR_Connected); break; case OUTPUT_STATUS_DISCONNECTED: RROutputSetConnection (output->randr_output, RR_Disconnected); break; case OUTPUT_STATUS_UNKNOWN: RROutputSetConnection (output->randr_output, RR_UnknownConnection); break; } RROutputSetSubpixelOrder (output->randr_output, subpixel); /* * Valid clones */ nclone = 0; for (c = 0; c < pI830->xf86_config.num_output; c++) { xf86OutputPtr clone = pI830->xf86_config.output[c]; I830OutputPrivatePtr intel_clone = clone->driver_private; if (o != c && ((1 << intel_clone->type) & clone_types)) clones[nclone++] = clone->randr_output; } if (!RROutputSetClones (output->randr_output, clones, nclone)) return FALSE; } return TRUE; } /* * Query the hardware for the current state, then mirror * that to RandR */ static Bool xf86RandR12GetInfo12 (ScreenPtr pScreen, Rotation *rotations) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; i830_reprobe_output_modes(pScrn); return xf86RandR12SetInfo12 (pScrn); } static Bool xf86RandR12CreateObjects12 (ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); int p; if (!RRInit ()) return FALSE; /* * Configure crtcs */ for (p = 0; p < pI830->xf86_config.num_crtc; p++) { xf86CrtcPtr crtc = pI830->xf86_config.crtc[p]; RRCrtcGammaSetSize (crtc->randr_crtc, 256); } return TRUE; } static Bool xf86RandR12CreateScreenResources12 (ScreenPtr pScreen) { XF86RandRInfoPtr randrp = XF86RANDRINFO(pScreen); ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; I830Ptr pI830 = I830PTR(pScrn); int p, o; int width, height; /* * Attach RandR objects to screen */ for (p = 0; p < pI830->xf86_config.num_crtc; p++) if (!RRCrtcAttachScreen (pI830->xf86_config.crtc[p]->randr_crtc, pScreen)) return FALSE; for (o = 0; o < pI830->xf86_config.num_output; o++) if (!RROutputAttachScreen (pI830->xf86_config.output[o]->randr_output, pScreen)) return FALSE; /* * Compute width of screen */ width = 0; height = 0; for (p = 0; p < pI830->xf86_config.num_crtc; p++) { xf86CrtcPtr crtc = pI830->xf86_config.crtc[p]; int crtc_width = crtc->x + crtc->curMode.HDisplay; int crtc_height = crtc->y + crtc->curMode.VDisplay; if (crtc->enabled && crtc_width > width) width = crtc_width; if (crtc->enabled && crtc_height > height) height = crtc_height; } if (width && height) { int mmWidth, mmHeight; mmWidth = pScreen->mmWidth; mmHeight = pScreen->mmHeight; if (width != pScreen->width) mmWidth = mmWidth * width / pScreen->width; if (height != pScreen->height) mmHeight = mmHeight * height / pScreen->height; xf86DrvMsg(pScrn->scrnIndex, X_INFO, "Setting screen physical size to %d x %d\n", mmWidth, mmHeight); xf86RandR12ScreenSetSize (pScreen, width, height, mmWidth, mmHeight); } for (p = 0; p < pI830->xf86_config.num_crtc; p++) xf86RandR12CrtcNotify (pI830->xf86_config.crtc[p]->randr_crtc); if (randrp->virtualX == -1 || randrp->virtualY == -1) { randrp->virtualX = pScrn->virtualX; randrp->virtualY = pScrn->virtualY; } RRScreenSetSizeRange (pScreen, 320, 240, randrp->virtualX, randrp->virtualY); return TRUE; } static void xf86RandR12PointerMoved (int scrnIndex, int x, int y) { } static Bool xf86RandR12Init12 (ScreenPtr pScreen) { ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; rrScrPrivPtr rp = rrGetScrPriv(pScreen); if (!xf86CrtcScreenInit (pScreen)) return FALSE; rp->rrGetInfo = xf86RandR12GetInfo12; rp->rrScreenSetSize = xf86RandR12ScreenSetSize; rp->rrCrtcSet = xf86RandR12CrtcSet; rp->rrCrtcSetGamma = xf86RandR12CrtcSetGamma; rp->rrSetConfig = NULL; pScrn->PointerMoved = xf86RandR12PointerMoved; return TRUE; } static RRModePtr I830RRDefaultMode (RROutputPtr output) { RRModePtr target_mode = NULL; int target_diff = 0; int mmHeight; int num_modes; int m; num_modes = output->numPreferred ? output->numPreferred : output->numModes; mmHeight = output->mmHeight; if (!mmHeight) mmHeight = 203; /* 768 pixels at 96dpi */ /* * Pick a mode closest to 96dpi */ for (m = 0; m < num_modes; m++) { RRModePtr mode = output->modes[m]; int dpi; int diff; dpi = (mode->mode.height * 254) / (mmHeight * 10); diff = dpi - 96; diff = diff < 0 ? -diff : diff; if (target_mode == NULL || diff < target_diff) { target_mode = mode; target_diff = diff; } } return target_mode; } static RRModePtr I830ClosestMode (RROutputPtr output, RRModePtr match) { RRModePtr target_mode = NULL; int target_diff = 0; int m; /* * Pick a mode closest to the specified mode */ for (m = 0; m < output->numModes; m++) { RRModePtr mode = output->modes[m]; int dx, dy; int diff; /* exact matches are preferred */ if (mode == match) return mode; dx = match->mode.width - mode->mode.width; dy = match->mode.height - mode->mode.height; diff = dx * dx + dy * dy; if (target_mode == NULL || diff < target_diff) { target_mode = mode; target_diff = diff; } } return target_mode; } static int I830RRPickCrtcs (RROutputPtr *outputs, RRCrtcPtr *best_crtcs, RRModePtr *modes, int num_output, int n) { int c, o, l; RROutputPtr output; RRCrtcPtr crtc; RRCrtcPtr *crtcs; RRCrtcPtr best_crtc; int best_score; int score; int my_score; if (n == num_output) return 0; output = outputs[n]; /* * Compute score with this output disabled */ best_crtcs[n] = NULL; best_crtc = NULL; best_score = I830RRPickCrtcs (outputs, best_crtcs, modes, num_output, n+1); if (modes[n] == NULL) return best_score; crtcs = xalloc (num_output * sizeof (RRCrtcPtr)); if (!crtcs) return best_score; my_score = 1; /* Score outputs that are known to be connected higher */ if (output->connection == RR_Connected) my_score++; /* Score outputs with preferred modes higher */ if (output->numPreferred) my_score++; /* * Select a crtc for this output and * then attempt to configure the remaining * outputs */ for (c = 0; c < output->numCrtcs; c++) { crtc = output->crtcs[c]; /* * Check to see if some other output is * using this crtc */ for (o = 0; o < n; o++) if (best_crtcs[o] == crtc) break; if (o < n) { /* * If the two outputs desire the same mode, * see if they can be cloned */ if (modes[o] == modes[n]) { for (l = 0; l < output->numClones; l++) if (output->clones[l] == outputs[o]) break; if (l == output->numClones) continue; /* nope, try next CRTC */ } else continue; /* different modes, can't clone */ } crtcs[n] = crtc; memcpy (crtcs, best_crtcs, n * sizeof (RRCrtcPtr)); score = my_score + I830RRPickCrtcs (outputs, crtcs, modes, num_output, n+1); if (score >= best_score) { best_crtc = crtc; best_score = score; memcpy (best_crtcs, crtcs, num_output * sizeof (RRCrtcPtr)); } } xfree (crtcs); return best_score; } static Bool I830RRInitialConfiguration (RROutputPtr *outputs, RRCrtcPtr *crtcs, RRModePtr *modes, int num_output) { int o; RRModePtr target_mode = NULL; for (o = 0; o < num_output; o++) modes[o] = NULL; /* * Let outputs with preferred modes drive screen size */ for (o = 0; o < num_output; o++) { RROutputPtr output = outputs[o]; if (output->connection != RR_Disconnected && output->numPreferred) { target_mode = I830RRDefaultMode (output); if (target_mode) { modes[o] = target_mode; break; } } } if (!target_mode) { for (o = 0; o < num_output; o++) { RROutputPtr output = outputs[o]; if (output->connection != RR_Disconnected) { target_mode = I830RRDefaultMode (output); if (target_mode) { modes[o] = target_mode; break; } } } } for (o = 0; o < num_output; o++) { RROutputPtr output = outputs[o]; if (output->connection != RR_Disconnected && !modes[o]) modes[o] = I830ClosestMode (output, target_mode); } if (!I830RRPickCrtcs (outputs, crtcs, modes, num_output, 0)) return FALSE; return TRUE; } /* * Compute the virtual size necessary to place all of the available * crtcs in a panorama configuration */ static void I830RRDefaultScreenLimits (RROutputPtr *outputs, int num_output, RRCrtcPtr *crtcs, int num_crtc, int *widthp, int *heightp) { int width = 0, height = 0; int o; int c; int m; int s; for (c = 0; c < num_crtc; c++) { RRCrtcPtr crtc = crtcs[c]; int crtc_width = 1600, crtc_height = 1200; for (o = 0; o < num_output; o++) { RROutputPtr output = outputs[o]; for (s = 0; s < output->numCrtcs; s++) if (output->crtcs[s] == crtc) { for (m = 0; m < output->numModes; m++) { RRModePtr mode = output->modes[m]; if (mode->mode.width > crtc_width) crtc_width = mode->mode.width; if (mode->mode.height > crtc_width) crtc_height = mode->mode.height; } } } if (crtc_width > width) width = crtc_width; if (crtc_height > height) height = crtc_height; } *widthp = width; *heightp = height; } #endif Bool xf86RandR12PreInit (ScrnInfoPtr pScrn) { I830Ptr pI830 = I830PTR(pScrn); #if RANDR_12_INTERFACE RROutputPtr outputs[MAX_OUTPUTS]; RRCrtcPtr output_crtcs[MAX_OUTPUTS]; RRModePtr output_modes[MAX_OUTPUTS]; RRCrtcPtr crtcs[MAX_DISPLAY_PIPES]; int width, height; int o; int c; #endif if (pI830->xf86_config.num_output <= 0) return FALSE; i830_reprobe_output_modes(pScrn); #if RANDR_12_INTERFACE if (!xf86RandR12CreateObjects12 (pScrn)) return FALSE; /* * Configure output modes */ if (!xf86RandR12SetInfo12 (pScrn)) return FALSE; /* * With RandR info set up, let RandR choose * the initial configuration */ for (o = 0; o < pI830->xf86_config.num_output; o++) outputs[o] = pI830->xf86_config.output[o]->randr_output; for (c = 0; c < pI830->xf86_config.num_crtc; c++) crtcs[c] = pI830->xf86_config.crtc[c]->randr_crtc; if (!I830RRInitialConfiguration (outputs, output_crtcs, output_modes, pI830->xf86_config.num_output)) return FALSE; I830RRDefaultScreenLimits (outputs, pI830->xf86_config.num_output, crtcs, pI830->xf86_config.num_crtc, &width, &height); if (width > pScrn->virtualX) pScrn->virtualX = width; if (width > pScrn->display->virtualX) pScrn->display->virtualX = width; if (height > pScrn->virtualY) pScrn->virtualY = height; if (height > pScrn->display->virtualY) pScrn->display->virtualY = height; /* XXX override xf86 common frame computation code */ pScrn->display->frameX0 = 0; pScrn->display->frameY0 = 0; for (o = 0; o < pI830->xf86_config.num_output; o++) { xf86OutputPtr output = pI830->xf86_config.output[o]; RRModePtr randr_mode = output_modes[o]; RRCrtcPtr randr_crtc = output_crtcs[o]; DisplayModePtr mode; if (randr_mode && randr_crtc) { xf86CrtcPtr crtc = randr_crtc->devPrivate; mode = (DisplayModePtr) randr_mode->devPrivate; crtc->desiredMode = *mode; output->crtc = crtc; } } #endif i830_set_xf86_modes_from_outputs (pScrn); i830_set_default_screen_size(pScrn); return TRUE; }