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| author | Ben Skeggs <bskeggs@redhat.com> | 2011-02-14 07:34:55 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2011-02-25 06:45:52 +1000 |
| commit | b5e2f0769a64046cefbfc307cbe6f7fa40dddf10 (patch) | |
| tree | 819ac0b4fbbe3b3330a40f52f79ae442c30ce8df /drivers | |
| parent | 3425df486ca247d9e8487be06a6cd0763ba38180 (diff) | |
| download | linux-3.10-b5e2f0769a64046cefbfc307cbe6f7fa40dddf10.tar.gz linux-3.10-b5e2f0769a64046cefbfc307cbe6f7fa40dddf10.tar.bz2 linux-3.10-b5e2f0769a64046cefbfc307cbe6f7fa40dddf10.zip | |
drm/nvc0: allow creation of buffers with any non-compressed memtype
This adds a table of known nvc0 memtypes, and modifies the validity check
to allow any non-compressed type. Support for Z compression will come at
a later point.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvc0_vram.c | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/drivers/gpu/drm/nouveau/nvc0_vram.c index 858eda5dedd..b2ef210ae54 100644 --- a/drivers/gpu/drm/nouveau/nvc0_vram.c +++ b/drivers/gpu/drm/nouveau/nvc0_vram.c @@ -26,20 +26,34 @@ #include "nouveau_drv.h" #include "nouveau_mm.h" +/* 0 = unsupported + * 1 = non-compressed + * 3 = compressed + */ +static const u8 types[256] = { + 1, 1, 3, 3, 3, 3, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, + 0, 1, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 3, 3, + 3, 3, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, 0, 1, 1, 1, 1, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 3, + 3, 3, 3, 3, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 3, 3, + 3, 3, 0, 0, 0, 0, 0, 0, 3, 0, 0, 3, 0, 3, 0, 3, + 3, 0, 3, 3, 3, 3, 3, 0, 0, 3, 0, 3, 0, 3, 3, 0, + 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 1, 1, 0 +}; + bool nvc0_vram_flags_valid(struct drm_device *dev, u32 tile_flags) { - switch (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) { - case 0x0000: - case 0xfe00: - case 0xdb00: - case 0x1100: - return true; - default: - break; - } - - return false; + u8 memtype = (tile_flags & NOUVEAU_GEM_TILE_LAYOUT_MASK) >> 8; + return likely((types[memtype] == 1)); } int |