diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2011-12-11 00:30:05 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2012-03-13 17:05:20 +1000 |
| commit | 7ad2d31cb692597f7918fce2f52a4c1949fbcf8d (patch) | |
| tree | 7ff7f87196af92fb5de716da681d1b08961196bb /drivers/gpu/drm/nouveau/nv04_fb.c | |
| parent | 83465324cb50e22b45ad53fd6e8887b1f8e43702 (diff) | |
drm/nouveau: move vram detection funcs to chipset-specific fb code
Also, display detected memory type in logs - though, we don't even try to
detect this yet.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fb.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fb.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fb.c b/drivers/gpu/drm/nouveau/nv04_fb.c index 638cf601c427..db16c47fd922 100644 --- a/drivers/gpu/drm/nouveau/nv04_fb.c +++ b/drivers/gpu/drm/nouveau/nv04_fb.c @@ -4,6 +4,35 @@ #include "nouveau_drm.h" int +nv04_fb_vram_init(struct drm_device *dev) +{ + struct drm_nouveau_private *dev_priv = dev->dev_private; + u32 boot0 = nv_rd32(dev, NV04_PFB_BOOT_0); + + if (boot0 & 0x00000100) { + dev_priv->vram_size = ((boot0 >> 12) & 0xf) * 2 + 2; + dev_priv->vram_size *= 1024 * 1024; + } else { + switch (boot0 & NV04_PFB_BOOT_0_RAM_AMOUNT) { + case NV04_PFB_BOOT_0_RAM_AMOUNT_32MB: + dev_priv->vram_size = 32 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_16MB: + dev_priv->vram_size = 16 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_8MB: + dev_priv->vram_size = 8 * 1024 * 1024; + break; + case NV04_PFB_BOOT_0_RAM_AMOUNT_4MB: + dev_priv->vram_size = 4 * 1024 * 1024; + break; + } + } + + return 0; +} + +int nv04_fb_init(struct drm_device *dev) { /* This is what the DDX did for NV_ARCH_04, but a mmio-trace shows |