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| author | jah <jah@FreeBSD.org> | 2015-03-22 18:32:37 +0000 |
|---|---|---|
| committer | jah <jah@FreeBSD.org> | 2015-03-22 18:32:37 +0000 |
| commit | cc715d0ecb062192f215b24e92b98fb56e7a9c97 (patch) | |
| tree | 5d1d3722d48685e572e8c48ada0ec4eb0dc34d78 | |
| parent | 845bbce4164bf521d30180ac207508e212e8b5b8 (diff) | |
| download | FreeBSD-src-cc715d0ecb062192f215b24e92b98fb56e7a9c97.zip FreeBSD-src-cc715d0ecb062192f215b24e92b98fb56e7a9c97.tar.gz | |
MFC r279919: Using parent DMA tag in drm_pci_alloc(). This can allow
drm2 devices to work with Intel DMAR enabled for the system, as long as
DMAR is disabled for the drm2 device.
Reviewed by: kib (mentor)
| -rw-r--r-- | sys/dev/drm2/drm_pci.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/dev/drm2/drm_pci.c b/sys/dev/drm2/drm_pci.c index ac9d4e6..5ca151c 100644 --- a/sys/dev/drm2/drm_pci.c +++ b/sys/dev/drm2/drm_pci.c @@ -76,7 +76,9 @@ drm_pci_alloc(struct drm_device *dev, size_t size, if (mtx_owned(&dev->dma_lock)) DRM_ERROR("called while holding dma_lock\n"); - ret = bus_dma_tag_create(NULL, align, 0, /* tag, align, boundary */ + ret = bus_dma_tag_create( + bus_get_dma_tag(dev->device), /* parent */ + align, 0, /* align, boundary */ maxaddr, BUS_SPACE_MAXADDR, /* lowaddr, highaddr */ NULL, NULL, /* filtfunc, filtfuncargs */ size, 1, size, /* maxsize, nsegs, maxsegsize */ |
