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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-02-09 17:15:44 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-02-09 21:23:18 +0100 |
| commit | 50a4c4a94d24fe13167e3ab1dc1486623369c31a (patch) | |
| tree | 6499c1453002d9b61dd5ab9d9d33ab2cb648111f /include/drm | |
| parent | 7e3b8737e719c4de7dd79b096b80ece444b2f0ba (diff) | |
| download | op-kernel-dev-50a4c4a94d24fe13167e3ab1dc1486623369c31a.zip op-kernel-dev-50a4c4a94d24fe13167e3ab1dc1486623369c31a.tar.gz | |
agp/intel-gtt: export the scratch page dma address
To implement a PPGTT for drm/i915 that fully aliases the GTT, we also
need to properly alias the scratch page.
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Tested-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/intel-gtt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h index b174620..6d4c77a 100644 --- a/include/drm/intel-gtt.h +++ b/include/drm/intel-gtt.h @@ -15,6 +15,8 @@ const struct intel_gtt { unsigned int needs_dmar : 1; /* Whether we idle the gpu before mapping/unmapping */ unsigned int do_idle_maps : 1; + /* Share the scratch page dma with ppgtts. */ + dma_addr_t scratch_page_dma; } *intel_gtt_get(void); void intel_gtt_chipset_flush(void); |
