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| author | Ben Skeggs <bskeggs@redhat.com> | 2010-12-06 15:28:54 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-12-08 13:48:20 +1000 |
| commit | 60d2a88ae896ae51c76f8b15c2f4b762d5b00864 (patch) | |
| tree | e136aee905d35f8936036fd01af1ca29526fcc67 /drivers/gpu/drm/nouveau/nv50_vram.c | |
| parent | 34cf01bc4b8021cef62cbd79224577c13d01b106 (diff) | |
| download | lwn-60d2a88ae896ae51c76f8b15c2f4b762d5b00864.tar.gz lwn-60d2a88ae896ae51c76f8b15c2f4b762d5b00864.zip | |
drm/nouveau: kick vram functions out into an "engine"
NVC0 will be able to share some of nv50's paths this way. This also makes
it the card-specific vram code responsible for deciding if a given set
of tile_flags is valid, rather than duplicating the allowed types in
nv50_vram.c and nouveau_gem.c
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_vram.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_vram.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_vram.c b/drivers/gpu/drm/nouveau/nv50_vram.c index 6e753356cd94..47489ed0a5a8 100644 --- a/drivers/gpu/drm/nouveau/nv50_vram.c +++ b/drivers/gpu/drm/nouveau/nv50_vram.c @@ -37,6 +37,16 @@ static int types[0x80] = { 1, 0, 2, 0, 1, 0, 2, 0, 1, 1, 2, 2, 1, 1, 0, 0 }; +bool +nv50_vram_flags_valid(struct drm_device *dev, u32 tile_flags) +{ + int type = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; + + if (likely(type < sizeof(types) && types[type])) + return true; + return false; +} + void nv50_vram_del(struct drm_device *dev, struct nouveau_vram **pvram) { |