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[FreeBSD] We need to request busmastering support.

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This seems to be the key to getting at least some radeon
cards working.  Most, if not all drivers need it enabled,
so just request it once the driver has attached.
This commit is contained in:
Robert Noland 2008-06-05 12:46:39 -04:00 • committed by Robert Noland
parent 6d6921719c
commit 96141bd33c
1 changed files with 6 additions and 0 deletions
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6
bsd-core/drm_drv.c
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@ -544,6 +544,8 @@ static int drm_load(struct drm_device *dev)
/* Shared code returns -errno. */
retcode = -dev->driver.load(dev,
dev->id_entry->driver_private);
if (pci_enable_busmaster(dev->device))
DRM_ERROR("Request to enable bus-master failed.\n");
DRM_UNLOCK();
if (retcode != 0)
goto error;
@ -654,6 +656,10 @@ static void drm_unload(struct drm_device *dev)
delete_unrhdr(dev->drw_unrhdr);
drm_mem_uninit();
if (pci_disable_busmaster(dev->device))
DRM_ERROR("Request to disable bus-master failed.\n");
#if defined(__FreeBSD__) && __FreeBSD_version >= 500000
mtx_destroy(&dev->drw_lock);
mtx_destroy(&dev->irq_lock);