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| author | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-04-08 21:36:54 +0200 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2013-04-08 21:36:54 +0200 |
| commit | 0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6 (patch) | |
| tree | 7559859702f2fa02f6a4db64cf10f6c2e3f80c21 /drivers/gpu/drm/nouveau/nouveau_agp.c | |
| parent | 6dbe51c251a327e012439c4772097a13df43c5b8 (diff) | |
| parent | 3d5a96582303e28c48699f3faaf920ef7d43e6f2 (diff) | |
| download | olio-linux-3.10-0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6.tar.xz olio-linux-3.10-0b824f8dad9fdfc7c1bf9c1d3ac744075eb73ec6.zip | |
Merge remote-tracking branch 'arm-soc/clksrc/cleanup' into sunxi/core-for-3.10
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_agp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_agp.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_agp.c b/drivers/gpu/drm/nouveau/nouveau_agp.c index d28430cd2ba..6e7a55f93a8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_agp.c +++ b/drivers/gpu/drm/nouveau/nouveau_agp.c @@ -47,6 +47,18 @@ nouveau_agp_enabled(struct nouveau_drm *drm) if (drm->agp.stat == UNKNOWN) { if (!nouveau_agpmode) return false; +#ifdef __powerpc__ + /* Disable AGP by default on all PowerPC machines for + * now -- At least some UniNorth-2 AGP bridges are + * known to be broken: DMA from the host to the card + * works just fine, but writeback from the card to the + * host goes straight to memory untranslated bypassing + * the GATT somehow, making them quite painful to deal + * with... + */ + if (nouveau_agpmode == -1) + return false; +#endif return true; } |