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path: root/drivers/gpu/drm/nouveau/nv04_fb.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_fb.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_fb.c34
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