int xf86platformAddDevice(int index) { int i, old_screens, scr_index; DriverPtr drvp = NULL; screenLayoutPtr layout; static const char *hotplug_driver_name = "modesetting"; /* force load the driver for now */ xf86LoadOneModule(hotplug_driver_name, NULL); for (i = 0; i < xf86NumDrivers; i++) { if (!xf86DriverList[i]) continue; if (!strcmp(xf86DriverList[i]->driverName, hotplug_driver_name)) { drvp = xf86DriverList[i]; break; } } if (i == xf86NumDrivers) return -1; old_screens = xf86NumGPUScreens; doPlatformProbe(&xf86_platform_devices[index], drvp, NULL, PLATFORM_PROBE_GPU_SCREEN, 0); if (old_screens == xf86NumGPUScreens) return -1; i = old_screens; for (layout = xf86ConfigLayout.screens; layout->screen != NULL; layout++) { xf86GPUScreens[i]->confScreen = layout->screen; break; } if (xf86GPUScreens[i]->PreInit && xf86GPUScreens[i]->PreInit(xf86GPUScreens[i], 0)) xf86GPUScreens[i]->configured = TRUE; if (!xf86GPUScreens[i]->configured) { ErrorF("hotplugged device %d didn't configure\n", i); xf86DeleteScreen(xf86GPUScreens[i]); return -1; } scr_index = AddGPUScreen(xf86GPUScreens[i]->ScreenInit, 0, NULL); if (scr_index == -1) { xf86DeleteScreen(xf86GPUScreens[i]); xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL); xf86NumGPUScreens = old_screens; return -1; } dixSetPrivate(&xf86GPUScreens[i]->pScreen->devPrivates, xf86ScreenKey, xf86GPUScreens[i]); CreateScratchPixmapsForScreen(xf86GPUScreens[i]->pScreen); if (xf86GPUScreens[i]->pScreen->CreateScreenResources && !(*xf86GPUScreens[i]->pScreen->CreateScreenResources) (xf86GPUScreens[i]->pScreen)) { RemoveGPUScreen(xf86GPUScreens[i]->pScreen); xf86DeleteScreen(xf86GPUScreens[i]); xf86UnclaimPlatformSlot(&xf86_platform_devices[index], NULL); xf86NumGPUScreens = old_screens; return -1; } /* attach unbound to 0 protocol screen */ AttachUnboundGPU(xf86Screens[0]->pScreen, xf86GPUScreens[i]->pScreen); RRResourcesChanged(xf86Screens[0]->pScreen); RRTellChanged(xf86Screens[0]->pScreen); return 0; }
/* * InitOutput -- * Initialize screenInfo for all actually accessible framebuffers. * That includes vt-manager setup, querying all possible devices and * collecting the pixmap formats. */ void InitOutput(ScreenInfo * pScreenInfo, int argc, char **argv) { int i, j, k, scr_index; const char **modulelist; void **optionlist; Pix24Flags screenpix24, pix24; MessageType pix24From = X_DEFAULT; Bool pix24Fail = FALSE; Bool autoconfig = FALSE; Bool sigio_blocked = FALSE; Bool want_hw_access = FALSE; GDevPtr configured_device; xf86Initialising = TRUE; config_pre_init(); if (serverGeneration == 1) { if ((xf86ServerName = strrchr(argv[0], '/')) != 0) xf86ServerName++; else xf86ServerName = argv[0]; xf86PrintBanner(); LogPrintMarkers(); if (xf86LogFile) { time_t t; const char *ct; t = time(NULL); ct = ctime(&t); xf86MsgVerb(xf86LogFileFrom, 0, "Log file: \"%s\", Time: %s", xf86LogFile, ct); } /* Read and parse the config file */ if (!xf86DoConfigure && !xf86DoShowOptions) { switch (xf86HandleConfigFile(FALSE)) { case CONFIG_OK: break; case CONFIG_PARSE_ERROR: xf86Msg(X_ERROR, "Error parsing the config file\n"); return; case CONFIG_NOFILE: autoconfig = TRUE; break; } } InstallSignalHandlers(); /* Initialise the loader */ LoaderInit(); /* Tell the loader the default module search path */ LoaderSetPath(xf86ModulePath); if (xf86Info.ignoreABI) { LoaderSetOptions(LDR_OPT_ABI_MISMATCH_NONFATAL); } if (xf86DoShowOptions) DoShowOptions(); dbus_core_init(); systemd_logind_init(); /* Do a general bus probe. This will be a PCI probe for x86 platforms */ xf86BusProbe(); if (xf86DoConfigure) DoConfigure(); if (autoconfig) { if (!xf86AutoConfig()) { xf86Msg(X_ERROR, "Auto configuration failed\n"); return; } } #ifdef XF86PM xf86OSPMClose = xf86OSPMOpen(); #endif xf86ExtensionInit(); /* Load all modules specified explicitly in the config file */ if ((modulelist = xf86ModulelistFromConfig(&optionlist))) { xf86LoadModules(modulelist, optionlist); free(modulelist); free(optionlist); } /* Load all driver modules specified in the config file */ /* If there aren't any specified in the config file, autoconfig them */ /* FIXME: Does not handle multiple active screen sections, but I'm not * sure if we really want to handle that case*/ configured_device = xf86ConfigLayout.screens->screen->device; if ((!configured_device) || (!configured_device->driver)) { if (!autoConfigDevice(configured_device)) { xf86Msg(X_ERROR, "Automatic driver configuration failed\n"); return; } } if ((modulelist = xf86DriverlistFromConfig())) { xf86LoadModules(modulelist, NULL); free(modulelist); } /* Load all input driver modules specified in the config file. */ if ((modulelist = xf86InputDriverlistFromConfig())) { xf86LoadModules(modulelist, NULL); free(modulelist); } /* * It is expected that xf86AddDriver()/xf86AddInputDriver will be * called for each driver as it is loaded. Those functions save the * module pointers for drivers. * XXX Nothing keeps track of them for other modules. */ /* XXX What do we do if not all of these could be loaded? */ /* * At this point, xf86DriverList[] is all filled in with entries for * each of the drivers to try and xf86NumDrivers has the number of * drivers. If there are none, return now. */ if (xf86NumDrivers == 0) { xf86Msg(X_ERROR, "No drivers available.\n"); return; } /* * Call each of the Identify functions and call the driverFunc to check * if HW access is required. The Identify functions print out some * identifying information, and anything else that might be * needed at this early stage. */ for (i = 0; i < xf86NumDrivers; i++) { xorgHWFlags flags = HW_IO; if (xf86DriverList[i]->Identify != NULL) xf86DriverList[i]->Identify(0); if (xf86DriverList[i]->driverFunc) xf86DriverList[i]->driverFunc(NULL, GET_REQUIRED_HW_INTERFACES, &flags); if (NEED_IO_ENABLED(flags)) want_hw_access = TRUE; /* Non-seat0 X servers should not open console */ if (!(flags & HW_SKIP_CONSOLE) && !ServerIsNotSeat0()) xorgHWOpenConsole = TRUE; } if (xorgHWOpenConsole) xf86OpenConsole(); else xf86Info.dontVTSwitch = TRUE; /* Enable full I/O access */ if (want_hw_access) xorgHWAccess = xf86EnableIO(); if (xf86BusConfig() == FALSE) return; xf86PostProbe(); /* * Sort the drivers to match the requested ording. Using a slow * bubble sort. */ for (j = 0; j < xf86NumScreens - 1; j++) { for (i = 0; i < xf86NumScreens - j - 1; i++) { if (xf86Screens[i + 1]->confScreen->screennum < xf86Screens[i]->confScreen->screennum) { ScrnInfoPtr tmpScrn = xf86Screens[i + 1]; xf86Screens[i + 1] = xf86Screens[i]; xf86Screens[i] = tmpScrn; } } } /* Fix up the indexes */ for (i = 0; i < xf86NumScreens; i++) { xf86Screens[i]->scrnIndex = i; } /* * Call the driver's PreInit()'s to complete initialisation for the first * generation. */ for (i = 0; i < xf86NumScreens; i++) { xf86VGAarbiterScrnInit(xf86Screens[i]); xf86VGAarbiterLock(xf86Screens[i]); if (xf86Screens[i]->PreInit && xf86Screens[i]->PreInit(xf86Screens[i], 0)) xf86Screens[i]->configured = TRUE; xf86VGAarbiterUnlock(xf86Screens[i]); } for (i = 0; i < xf86NumScreens; i++) if (!xf86Screens[i]->configured) xf86DeleteScreen(xf86Screens[i--]); for (i = 0; i < xf86NumGPUScreens; i++) { xf86VGAarbiterScrnInit(xf86GPUScreens[i]); xf86VGAarbiterLock(xf86GPUScreens[i]); if (xf86GPUScreens[i]->PreInit && xf86GPUScreens[i]->PreInit(xf86GPUScreens[i], 0)) xf86GPUScreens[i]->configured = TRUE; xf86VGAarbiterUnlock(xf86GPUScreens[i]); } for (i = 0; i < xf86NumGPUScreens; i++) if (!xf86GPUScreens[i]->configured) xf86DeleteScreen(xf86GPUScreens[i--]); /* * If no screens left, return now. */ if (xf86NumScreens == 0) { xf86Msg(X_ERROR, "Screen(s) found, but none have a usable configuration.\n"); return; } for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->name == NULL) { char *tmp; XNFasprintf(&tmp, "screen%d", i); xf86Screens[i]->name = tmp; xf86MsgVerb(X_WARNING, 0, "Screen driver %d has no name set, using `%s'.\n", i, xf86Screens[i]->name); } } /* Remove (unload) drivers that are not required */ for (i = 0; i < xf86NumDrivers; i++) if (xf86DriverList[i] && xf86DriverList[i]->refCount <= 0) xf86DeleteDriver(i); /* * At this stage we know how many screens there are. */ for (i = 0; i < xf86NumScreens; i++) xf86InitViewport(xf86Screens[i]); /* * Collect all pixmap formats and check for conflicts at the display * level. Should we die here? Or just delete the offending screens? */ screenpix24 = Pix24DontCare; for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->imageByteOrder != xf86Screens[0]->imageByteOrder) FatalError("Inconsistent display bitmapBitOrder. Exiting\n"); if (xf86Screens[i]->bitmapScanlinePad != xf86Screens[0]->bitmapScanlinePad) FatalError ("Inconsistent display bitmapScanlinePad. Exiting\n"); if (xf86Screens[i]->bitmapScanlineUnit != xf86Screens[0]->bitmapScanlineUnit) FatalError ("Inconsistent display bitmapScanlineUnit. Exiting\n"); if (xf86Screens[i]->bitmapBitOrder != xf86Screens[0]->bitmapBitOrder) FatalError("Inconsistent display bitmapBitOrder. Exiting\n"); /* Determine the depth 24 pixmap format the screens would like */ if (xf86Screens[i]->pixmap24 != Pix24DontCare) { if (screenpix24 == Pix24DontCare) screenpix24 = xf86Screens[i]->pixmap24; else if (screenpix24 != xf86Screens[i]->pixmap24) FatalError ("Inconsistent depth 24 pixmap format. Exiting\n"); } } /* check if screenpix24 is consistent with the config/cmdline */ if (xf86Info.pixmap24 != Pix24DontCare) { pix24 = xf86Info.pixmap24; pix24From = xf86Info.pix24From; if (screenpix24 != Pix24DontCare && screenpix24 != xf86Info.pixmap24) pix24Fail = TRUE; } else if (screenpix24 != Pix24DontCare) { pix24 = screenpix24; pix24From = X_PROBED; } else pix24 = Pix24Use32; if (pix24Fail) FatalError("Screen(s) can't use the required depth 24 pixmap format" " (%d). Exiting\n", PIX24TOBPP(pix24)); /* Initialise the depth 24 format */ for (j = 0; j < numFormats && formats[j].depth != 24; j++); formats[j].bitsPerPixel = PIX24TOBPP(pix24); /* Collect additional formats */ for (i = 0; i < xf86NumScreens; i++) { for (j = 0; j < xf86Screens[i]->numFormats; j++) { for (k = 0;; k++) { if (k >= numFormats) { if (k >= MAXFORMATS) FatalError("Too many pixmap formats! Exiting\n"); formats[k] = xf86Screens[i]->formats[j]; numFormats++; break; } if (formats[k].depth == xf86Screens[i]->formats[j].depth) { if ((formats[k].bitsPerPixel == xf86Screens[i]->formats[j].bitsPerPixel) && (formats[k].scanlinePad == xf86Screens[i]->formats[j].scanlinePad)) break; FatalError("Inconsistent pixmap format for depth %d." " Exiting\n", formats[k].depth); } } } } formatsDone = TRUE; /* If a screen uses depth 24, show what the pixmap format is */ for (i = 0; i < xf86NumScreens; i++) { if (xf86Screens[i]->depth == 24) { xf86Msg(pix24From, "Depth 24 pixmap format is %d bpp\n", PIX24TOBPP(pix24)); break; } } } else { /* * serverGeneration != 1; some OSs have to do things here, too. */ if (xorgHWOpenConsole) xf86OpenConsole(); #ifdef XF86PM /* should we reopen it here? We need to deal with an already opened device. We could leave this to the OS layer. For now we simply close it here */ if (xf86OSPMClose) xf86OSPMClose(); if ((xf86OSPMClose = xf86OSPMOpen()) != NULL) xf86MsgVerb(X_INFO, 3, "APM registered successfully\n"); #endif /* Make sure full I/O access is enabled */ if (xorgHWAccess) xf86EnableIO(); } if (xf86Info.vtno >= 0) AddCallback(&RootWindowFinalizeCallback, AddVTAtoms, NULL); if (SeatId) AddCallback(&RootWindowFinalizeCallback, AddSeatId, SeatId); /* * Use the previously collected parts to setup pScreenInfo */ pScreenInfo->imageByteOrder = xf86Screens[0]->imageByteOrder; pScreenInfo->bitmapScanlinePad = xf86Screens[0]->bitmapScanlinePad; pScreenInfo->bitmapScanlineUnit = xf86Screens[0]->bitmapScanlineUnit; pScreenInfo->bitmapBitOrder = xf86Screens[0]->bitmapBitOrder; pScreenInfo->numPixmapFormats = numFormats; for (i = 0; i < numFormats; i++) pScreenInfo->formats[i] = formats[i]; /* Make sure the server's VT is active */ if (serverGeneration != 1) { xf86Resetting = TRUE; /* All screens are in the same state, so just check the first */ if (!xf86VTOwner()) { #ifdef HAS_USL_VTS ioctl(xf86Info.consoleFd, VT_RELDISP, VT_ACKACQ); #endif xf86AccessEnter(); input_lock(); sigio_blocked = TRUE; } } for (i = 0; i < xf86NumScreens; i++) if (!xf86ColormapAllocatePrivates(xf86Screens[i])) FatalError("Cannot register DDX private keys"); if (!dixRegisterPrivateKey(&xf86ScreenKeyRec, PRIVATE_SCREEN, 0)) FatalError("Cannot register DDX private keys"); for (i = 0; i < xf86NumGPUScreens; i++) { ScrnInfoPtr pScrn = xf86GPUScreens[i]; xf86VGAarbiterLock(pScrn); /* * Almost everything uses these defaults, and many of those that * don't, will wrap them. */ pScrn->EnableDisableFBAccess = xf86EnableDisableFBAccess; #ifdef XFreeXDGA pScrn->SetDGAMode = xf86SetDGAMode; #endif pScrn->DPMSSet = NULL; pScrn->LoadPalette = NULL; pScrn->SetOverscan = NULL; pScrn->DriverFunc = NULL; pScrn->pScreen = NULL; scr_index = AddGPUScreen(xf86ScreenInit, argc, argv); xf86VGAarbiterUnlock(pScrn); if (scr_index == i) { dixSetPrivate(&screenInfo.gpuscreens[scr_index]->devPrivates, xf86ScreenKey, xf86GPUScreens[i]); pScrn->pScreen = screenInfo.gpuscreens[scr_index]; /* The driver should set this, but make sure it is set anyway */ pScrn->vtSema = TRUE; } else { FatalError("AddScreen/ScreenInit failed for gpu driver %d %d\n", i, scr_index); } } for (i = 0; i < xf86NumScreens; i++) { xf86VGAarbiterLock(xf86Screens[i]); /* * Almost everything uses these defaults, and many of those that * don't, will wrap them. */ xf86Screens[i]->EnableDisableFBAccess = xf86EnableDisableFBAccess; #ifdef XFreeXDGA xf86Screens[i]->SetDGAMode = xf86SetDGAMode; #endif xf86Screens[i]->DPMSSet = NULL; xf86Screens[i]->LoadPalette = NULL; xf86Screens[i]->SetOverscan = NULL; xf86Screens[i]->DriverFunc = NULL; xf86Screens[i]->pScreen = NULL; scr_index = AddScreen(xf86ScreenInit, argc, argv); xf86VGAarbiterUnlock(xf86Screens[i]); if (scr_index == i) { /* * Hook in our ScrnInfoRec, and initialise some other pScreen * fields. */ dixSetPrivate(&screenInfo.screens[scr_index]->devPrivates, xf86ScreenKey, xf86Screens[i]); xf86Screens[i]->pScreen = screenInfo.screens[scr_index]; /* The driver should set this, but make sure it is set anyway */ xf86Screens[i]->vtSema = TRUE; } else { /* This shouldn't normally happen */ FatalError("AddScreen/ScreenInit failed for driver %d\n", i); } DebugF("InitOutput - xf86Screens[%d]->pScreen = %p\n", i, xf86Screens[i]->pScreen); DebugF("xf86Screens[%d]->pScreen->CreateWindow = %p\n", i, xf86Screens[i]->pScreen->CreateWindow); if (PictureGetSubpixelOrder(xf86Screens[i]->pScreen) == SubPixelUnknown) { xf86MonPtr DDC = (xf86MonPtr) (xf86Screens[i]->monitor->DDC); PictureSetSubpixelOrder(xf86Screens[i]->pScreen, DDC ? (DDC->features.input_type ? SubPixelHorizontalRGB : SubPixelNone) : SubPixelUnknown); } #ifdef RANDR if (!xf86Info.disableRandR) xf86RandRInit(screenInfo.screens[scr_index]); xf86Msg(xf86Info.randRFrom, "RandR %s\n", xf86Info.disableRandR ? "disabled" : "enabled"); #endif } for (i = 0; i < xf86NumGPUScreens; i++) AttachUnboundGPU(xf86Screens[0]->pScreen, xf86GPUScreens[i]->pScreen); xf86VGAarbiterWrapFunctions(); if (sigio_blocked) input_unlock(); xf86InitOrigins(); xf86Resetting = FALSE; xf86Initialising = FALSE; RegisterBlockAndWakeupHandlers((ServerBlockHandlerProcPtr) NoopDDA, xf86Wakeup, NULL); }