xserver: add xorg.conf support for gpu devices. (v2.1)
This allows gpu devices to be specified in xorg.conf Screen sections. Section "Device" Driver "intel" Identifier "intel0" Option "AccelMethod" "uxa" EndSection Section "Device" Driver "modesetting" Identifier "usb0" EndSection Section "Screen" Identifier "screen" Device "intel0" GPUDevice "usb0" EndSection This should allow for easier tweaking of driver options which currently mess up the GPU device discovery process. v2: add error handling for more than 4 devices, (Emil) fixup CONF_ defines to consistency add MAX_GPUDEVICES define (yes there is two defines, this is consistent with everywhere else). remove braces around slp (Mark Kettenis) man page fixups (Aaron) v2.1: fixup whitespace (Aaron) Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -126,7 +126,7 @@ static Bool configScreen(confScreenPtr screenp, XF86ConfScreenPtr conf_screen,
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int scrnum, MessageType from);
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static Bool configMonitor(MonPtr monitorp, XF86ConfMonitorPtr conf_monitor);
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static Bool configDevice(GDevPtr devicep, XF86ConfDevicePtr conf_device,
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Bool active);
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Bool active, Bool gpu);
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static Bool configInput(InputInfoPtr pInfo, XF86ConfInputPtr conf_input,
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MessageType from);
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static Bool configDisplay(DispPtr displayp, XF86ConfDisplayPtr conf_display);
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@ -390,7 +390,7 @@ const char **
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xf86DriverlistFromConfig(void)
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{
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int count = 0;
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int j;
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int j, k;
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const char **modulearray;
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screenLayoutPtr slp;
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@ -411,8 +411,10 @@ xf86DriverlistFromConfig(void)
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*/
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if (xf86ConfigLayout.screens) {
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slp = xf86ConfigLayout.screens;
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while ((slp++)->screen) {
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while (slp->screen) {
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count++;
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count += slp->screen->num_gpu_devices;
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slp++;
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}
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}
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@ -435,6 +437,10 @@ xf86DriverlistFromConfig(void)
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while (slp->screen) {
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modulearray[count] = slp->screen->device->driver;
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count++;
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for (k = 0; k < slp->screen->num_gpu_devices; k++) {
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modulearray[count] = slp->screen->gpu_devices[k]->driver;
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count++;
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}
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slp++;
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}
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@ -1631,7 +1637,7 @@ configLayout(serverLayoutPtr servlayoutp, XF86ConfLayoutPtr conf_layout,
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idp = conf_layout->lay_inactive_lst;
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count = 0;
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while (idp) {
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if (!configDevice(&gdp[count], idp->inactive_device, FALSE))
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if (!configDevice(&gdp[count], idp->inactive_device, FALSE, FALSE))
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goto bail;
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count++;
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idp = (XF86ConfInactivePtr) idp->list.next;
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@ -1769,6 +1775,7 @@ configScreen(confScreenPtr screenp, XF86ConfScreenPtr conf_screen, int scrnum,
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XF86ConfAdaptorLinkPtr conf_adaptor;
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Bool defaultMonitor = FALSE;
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XF86ConfScreenRec local_conf_screen;
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int i;
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if (!conf_screen) {
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memset(&local_conf_screen, 0, sizeof(local_conf_screen));
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@ -1811,12 +1818,20 @@ configScreen(confScreenPtr screenp, XF86ConfScreenPtr conf_screen, int scrnum,
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xf86Msg(X_DEFAULT, "No device specified for screen \"%s\".\n"
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"\tUsing the first device section listed.\n", screenp->id);
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}
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if (configDevice(screenp->device, conf_screen->scrn_device, TRUE)) {
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if (configDevice(screenp->device, conf_screen->scrn_device, TRUE, FALSE)) {
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screenp->device->myScreenSection = screenp;
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}
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else {
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screenp->device = NULL;
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}
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for (i = 0; i < conf_screen->num_gpu_devices; i++) {
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screenp->gpu_devices[i] = xnfcalloc(1, sizeof(GDevRec));
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if (configDevice(screenp->gpu_devices[i], conf_screen->scrn_gpu_devices[i], TRUE, TRUE)) {
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screenp->gpu_devices[i]->myScreenSection = screenp;
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}
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}
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screenp->num_gpu_devices = conf_screen->num_gpu_devices;
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screenp->options = conf_screen->scrn_option_lst;
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/*
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@ -2110,7 +2125,7 @@ configDisplay(DispPtr displayp, XF86ConfDisplayPtr conf_display)
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}
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static Bool
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configDevice(GDevPtr devicep, XF86ConfDevicePtr conf_device, Bool active)
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configDevice(GDevPtr devicep, XF86ConfDevicePtr conf_device, Bool active, Bool gpu)
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{
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int i;
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@ -2118,10 +2133,14 @@ configDevice(GDevPtr devicep, XF86ConfDevicePtr conf_device, Bool active)
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return FALSE;
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}
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if (active)
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xf86Msg(X_CONFIG, "| |-->Device \"%s\"\n",
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conf_device->dev_identifier);
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else
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if (active) {
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if (gpu)
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xf86Msg(X_CONFIG, "| |-->GPUDevice \"%s\"\n",
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conf_device->dev_identifier);
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else
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xf86Msg(X_CONFIG, "| |-->Device \"%s\"\n",
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conf_device->dev_identifier);
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} else
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xf86Msg(X_CONFIG, "|-->Inactive Device \"%s\"\n",
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conf_device->dev_identifier);
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@ -1367,7 +1367,7 @@ xf86MatchDevice(const char *drivername, GDevPtr ** sectlist)
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{
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GDevPtr gdp, *pgdp = NULL;
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confScreenPtr screensecptr;
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int i, j;
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int i, j, k;
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if (sectlist)
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*sectlist = NULL;
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@ -1411,6 +1411,17 @@ xf86MatchDevice(const char *drivername, GDevPtr ** sectlist)
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pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
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pgdp[i++] = screensecptr->device;
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}
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for (k = 0; k < screensecptr->num_gpu_devices; k++) {
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if ((screensecptr->gpu_devices[k]->driver != NULL)
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&& (xf86NameCmp(screensecptr->gpu_devices[k]->driver, drivername) == 0)
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&& (!screensecptr->gpu_devices[k]->claimed)) {
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/*
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* we have a matching driver that wasn't claimed, yet
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*/
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pgdp = xnfrealloc(pgdp, (i + 2) * sizeof(GDevPtr));
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pgdp[i++] = screensecptr->gpu_devices[k];
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}
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}
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}
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/* Then handle the inactive devices */
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@ -440,6 +440,7 @@ typedef struct _confxvadaptrec {
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void *options;
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} confXvAdaptorRec, *confXvAdaptorPtr;
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#define MAX_GPUDEVICES 4
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typedef struct _confscreenrec {
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const char *id;
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int screennum;
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@ -453,6 +454,9 @@ typedef struct _confscreenrec {
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int numxvadaptors;
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confXvAdaptorPtr xvadaptors;
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void *options;
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int num_gpu_devices;
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GDevPtr gpu_devices[MAX_GPUDEVICES];
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} confScreenRec, *confScreenPtr;
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typedef enum {
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@ -1906,6 +1906,7 @@ sections have the following format:
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.B "Section \*qScreen\*q"
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.BI " Identifier \*q" name \*q
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.BI " Device \*q" devid \*q
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.BI " GPUDevice \*q" devid \*q
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.BI " Monitor \*q" monid \*q
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.I " entries"
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.I " ..."
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@ -1949,6 +1950,18 @@ of a
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.B Device
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section in the config file.
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.TP 7
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.BI "GPUDevice \*q" device\-id \*q
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This entry specifies the
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.B Device
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section to be used as a secondary GPU device for this screen. When multiple graphics cards are
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present, this is what ties a specific secondary card to a screen. The
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.I device\-id
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must match the
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.B Identifier
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of a
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.B Device
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section in the config file. This can be specified up to 4 times for a single screen.
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.TP 7
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.BI "Monitor \*q" monitor\-id \*q
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specifies which monitor description is to be used for this screen.
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If a
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@ -204,6 +204,8 @@ else\
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"Multiple \"%s\" lines."
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#define MUST_BE_OCTAL_MSG \
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"The number \"%d\" given in this section must be in octal (0xxx) format."
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#define GPU_DEVICE_TOO_MANY \
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"More than %d GPU devices defined."
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/* Warning messages */
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#define OBSOLETE_MSG \
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@ -211,6 +211,7 @@ static xf86ConfigSymTabRec ScreenTab[] = {
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{DEFAULTFBBPP, "defaultfbbpp"},
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{VIRTUAL, "virtual"},
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{OPTION, "option"},
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{GDEVICE, "gpudevice"},
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{-1, ""},
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};
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@ -270,6 +271,13 @@ xf86parseScreenSection(void)
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Error(QUOTE_MSG, "Device");
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ptr->scrn_device_str = xf86_lex_val.str;
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break;
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case GDEVICE:
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if (xf86getSubToken(&(ptr->scrn_comment)) != STRING)
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Error(QUOTE_MSG, "GPUDevice");
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if (ptr->num_gpu_devices == CONF_MAXGPUDEVICES)
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Error(GPU_DEVICE_TOO_MANY, CONF_MAXGPUDEVICES);
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ptr->scrn_gpu_device_str[ptr->num_gpu_devices++] = xf86_lex_val.str;
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break;
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case MONITOR:
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if (xf86getSubToken(&(ptr->scrn_comment)) != STRING)
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Error(QUOTE_MSG, "Monitor");
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@ -342,7 +350,7 @@ xf86printScreenSection(FILE * cf, XF86ConfScreenPtr ptr)
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XF86ConfAdaptorLinkPtr aptr;
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XF86ConfDisplayPtr dptr;
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XF86ModePtr mptr;
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int i;
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while (ptr) {
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fprintf(cf, "Section \"Screen\"\n");
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if (ptr->scrn_comment)
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fprintf(cf, "\tDriver \"%s\"\n", ptr->scrn_obso_driver);
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if (ptr->scrn_device_str)
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fprintf(cf, "\tDevice \"%s\"\n", ptr->scrn_device_str);
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for (i = 0; i < ptr->num_gpu_devices; i++)
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if (ptr->scrn_gpu_device_str[i])
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fprintf(cf, "\tGPUDevice \"%s\"\n", ptr->scrn_gpu_device_str[i]);
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if (ptr->scrn_monitor_str)
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fprintf(cf, "\tMonitor \"%s\"\n", ptr->scrn_monitor_str);
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if (ptr->scrn_defaultdepth)
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xf86freeScreenList(XF86ConfScreenPtr ptr)
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{
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XF86ConfScreenPtr prev;
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int i;
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while (ptr) {
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TestFree(ptr->scrn_identifier);
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TestFree(ptr->scrn_monitor_str);
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TestFree(ptr->scrn_device_str);
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for (i = 0; i < ptr->num_gpu_devices; i++)
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TestFree(ptr->scrn_gpu_device_str[i]);
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TestFree(ptr->scrn_comment);
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xf86optionListFree(ptr->scrn_option_lst);
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xf86freeAdaptorLinkList(ptr->scrn_adaptor_lst);
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XF86ConfScreenPtr screen = p->conf_screen_lst;
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XF86ConfMonitorPtr monitor;
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XF86ConfAdaptorLinkPtr adaptor;
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int i;
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while (screen) {
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if (screen->scrn_obso_driver && !screen->scrn_identifier)
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screen->scrn_device =
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xf86findDevice(screen->scrn_device_str, p->conf_device_lst);
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for (i = 0; i < screen->num_gpu_devices; i++) {
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screen->scrn_gpu_devices[i] =
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xf86findDevice(screen->scrn_gpu_device_str[i], p->conf_device_lst);
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}
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adaptor = screen->scrn_adaptor_lst;
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while (adaptor) {
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adaptor->al_adaptor =
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@ -259,6 +259,7 @@ typedef struct {
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XF86ConfVideoAdaptorPtr al_adaptor;
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} XF86ConfAdaptorLinkRec, *XF86ConfAdaptorLinkPtr;
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#define CONF_MAXGPUDEVICES 4
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typedef struct {
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GenericListRec list;
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const char *scrn_identifier;
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char *scrn_comment;
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int scrn_virtualX, scrn_virtualY;
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char *match_seat;
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int num_gpu_devices;
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const char *scrn_gpu_device_str[CONF_MAXGPUDEVICES];
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XF86ConfDevicePtr scrn_gpu_devices[CONF_MAXGPUDEVICES];
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} XF86ConfScreenRec, *XF86ConfScreenPtr;
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typedef struct {
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@ -143,6 +143,7 @@ typedef enum {
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/* Screen tokens */
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OBSDRIVER,
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MDEVICE,
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GDEVICE,
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MONITOR,
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SCREENNO,
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DEFAULTDEPTH,
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