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| author | Maarten Maathuis <madman2003@gmail.com> | 2009-12-25 18:51:17 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-01-11 14:41:10 +1000 |
| commit | c2b82924bda0c3de2b49bd3a4d8b6725721820bc (patch) | |
| tree | 52953304977301464772d800468e5998aafc6061 /drivers/gpu | |
| parent | 8f71c29e442e013212a98e2b37eb1074c4d1134f (diff) | |
| download | kernel_samsung_aries-c2b82924bda0c3de2b49bd3a4d8b6725721820bc.zip kernel_samsung_aries-c2b82924bda0c3de2b49bd3a4d8b6725721820bc.tar.gz kernel_samsung_aries-c2b82924bda0c3de2b49bd3a4d8b6725721820bc.tar.bz2 | |
drm/nouveau: better alignment of bo sizes and use roundup instead of ALIGN
- Aligning to block size should ensure that the extra size is enough.
- Using roundup, because not all sizes are powers of two.
Signed-off-by: Maarten Maathuis <madman2003@gmail.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_fbcon.c | 4 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c index 5fd462f..a0c9e00 100644 --- a/drivers/gpu/drm/nouveau/nouveau_bo.c +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c @@ -73,6 +73,7 @@ nouveau_bo_fixup_align(struct drm_device *dev, case 0x4800: case 0x7a00: if (dev_priv->chipset >= 0xA0) { + *size = roundup(*size, 28672); /* This is based on high end cards with 448 bits * memory bus, could be different elsewhere.*/ *size += 6 * 28672; @@ -80,9 +81,11 @@ nouveau_bo_fixup_align(struct drm_device *dev, * but we must also align to page size. */ *align = 2 * 8 * 28672; } else if (dev_priv->chipset >= 0x90) { + *size = roundup(*size, 16384); *size += 3 * 16384; *align = 12 * 16384; } else { + *size = roundup(*size, 8192); *size += 3 * 8192; /* 12 * 8192 is the actual alignment requirement * but we must also align to page size. */ @@ -114,10 +117,11 @@ nouveau_bo_fixup_align(struct drm_device *dev, } } - *size = ALIGN(*size, PAGE_SIZE); + /* ALIGN works only on powers of two. */ + *size = roundup(*size, PAGE_SIZE); if (dev_priv->card_type == NV_50) { - *size = ALIGN(*size, 65536); + *size = roundup(*size, 65536); *align = max(65536, *align); } } diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 84af25c..44cbbee 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -212,11 +212,11 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width, mode_cmd.bpp = surface_bpp; mode_cmd.pitch = mode_cmd.width * (mode_cmd.bpp >> 3); - mode_cmd.pitch = ALIGN(mode_cmd.pitch, 256); + mode_cmd.pitch = roundup(mode_cmd.pitch, 256); mode_cmd.depth = surface_depth; size = mode_cmd.pitch * mode_cmd.height; - size = ALIGN(size, PAGE_SIZE); + size = roundup(size, PAGE_SIZE); ret = nouveau_gem_new(dev, dev_priv->channel, size, 0, TTM_PL_FLAG_VRAM, 0, 0x0000, false, true, &nvbo); |