diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fb.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv04_fb.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_fb.c b/drivers/gpu/drm/nouveau/nv04_fb.c index 638cf601c427..d5eedd67afe5 100644 --- a/drivers/gpu/drm/nouveau/nv04_fb.c +++ b/drivers/gpu/drm/nouveau/nv04_fb.c @@ -4,6 +4,40 @@ #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; + } + } + + if ((boot0 & 0x00000038) <= 0x10) + dev_priv->vram_type = NV_MEM_TYPE_SGRAM; + else + dev_priv->vram_type = NV_MEM_TYPE_SDRAM; + + 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 |