diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2010-03-18 09:45:20 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-04-09 10:12:02 +1000 |
| commit | a76fb4e8ffe42144529e21fe1e609b762e8eb5cc (patch) | |
| tree | 3215f63360ffb93d685582edeca2e48ee7646170 /drivers/gpu/drm/nouveau/nv50_instmem.c | |
| parent | 952eb63543552deb1bf1113739d59d29172d7755 (diff) | |
drm/nouveau: detect vram amount once, and save the value
As opposed to repeatedly reading the amount back from the GPU every
time we need to know the VRAM size.
We should now fail to load gracefully on detecting no VRAM, rather than
something potentially messy happening.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_instmem.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_instmem.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index de1f5b0062c..34280eb31df 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -76,17 +76,12 @@ nv50_instmem_init(struct drm_device *dev) for (i = 0x1700; i <= 0x1710; i += 4) priv->save1700[(i-0x1700)/4] = nv_rd32(dev, i); - if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) - dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10) << 12; - else - dev_priv->vram_sys_base = 0; - /* Reserve the last MiB of VRAM, we should probably try to avoid * setting up the below tables over the top of the VBIOS image at * some point. */ dev_priv->ramin_rsvd_vram = 1 << 20; - c_offset = nouveau_mem_fb_amount(dev) - dev_priv->ramin_rsvd_vram; + c_offset = dev_priv->vram_size - dev_priv->ramin_rsvd_vram; c_size = 128 << 10; c_vmpd = ((dev_priv->chipset & 0xf0) == 0x50) ? 0x1400 : 0x200; c_ramfc = ((dev_priv->chipset & 0xf0) == 0x50) ? 0x0 : 0x20; @@ -106,7 +101,7 @@ nv50_instmem_init(struct drm_device *dev) dev_priv->vm_gart_size = NV50_VM_BLOCK; dev_priv->vm_vram_base = dev_priv->vm_gart_base + dev_priv->vm_gart_size; - dev_priv->vm_vram_size = nouveau_mem_fb_amount(dev); + dev_priv->vm_vram_size = dev_priv->vram_size; if (dev_priv->vm_vram_size > NV50_VM_MAX_VRAM) dev_priv->vm_vram_size = NV50_VM_MAX_VRAM; dev_priv->vm_vram_size = roundup(dev_priv->vm_vram_size, NV50_VM_BLOCK); |