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xfree86: attempt to autoconfig gpu slave devices (v3)

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This allows us to skip the screen section, the first
Device section will get assigned to the screen,
any remaining ones will get assigned to the GPUDevice
sections for the screen.

v2: fix the skipping unsuitable screen logic (Aaron)
v3: fix segfault if not conf file (me, 5s after sending v2)

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie
2015-03-31 16:56:42 +10:00
parent 3b6930c5d0
commit 69e4b8e602
1 changed files with 26 additions and 5 deletions
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31
hw/xfree86/common/xf86Config.c
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@@ -1825,13 +1825,34 @@ configScreen(confScreenPtr screenp, XF86ConfScreenPtr conf_screen, int scrnum,
screenp->device = NULL;
}
for (i = 0; i < conf_screen->num_gpu_devices; i++) {
screenp->gpu_devices[i] = xnfcalloc(1, sizeof(GDevRec));
if (configDevice(screenp->gpu_devices[i], conf_screen->scrn_gpu_devices[i], TRUE, TRUE)) {
screenp->gpu_devices[i]->myScreenSection = screenp;
if (conf_screen->num_gpu_devices == 0 && xf86configptr->conf_device_lst) {
XF86ConfDevicePtr sdevice = xf86configptr->conf_device_lst->list.next;
for (i = 0; i < MAX_GPUDEVICES; i++) {
if (!sdevice)
break;
FIND_SUITABLE (XF86ConfDevicePtr, sdevice, conf_screen->scrn_gpu_devices[i]);
if (!conf_screen->scrn_gpu_devices[i])
break;
screenp->gpu_devices[i] = xnfcalloc(1, sizeof(GDevRec));
if (configDevice(screenp->gpu_devices[i], conf_screen->scrn_gpu_devices[i], TRUE, TRUE)) {
screenp->gpu_devices[i]->myScreenSection = screenp;
}
sdevice = conf_screen->scrn_gpu_devices[i]->list.next;
}
screenp->num_gpu_devices = i;
} else {
for (i = 0; i < conf_screen->num_gpu_devices; i++) {
screenp->gpu_devices[i] = xnfcalloc(1, sizeof(GDevRec));
if (configDevice(screenp->gpu_devices[i], conf_screen->scrn_gpu_devices[i], TRUE, TRUE)) {
screenp->gpu_devices[i]->myScreenSection = screenp;
}
}
screenp->num_gpu_devices = conf_screen->num_gpu_devices;
}
screenp->num_gpu_devices = conf_screen->num_gpu_devices;
screenp->options = conf_screen->scrn_option_lst;
/*