From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 4 Aug 2010 03:44:41 +0000 (+1000)
Subject: drm/nvc0: implement memory detection
X-Git-Tag: v3.0~3465^2~4^2~35
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c556d989038a6eba1411acf39163eb660e0a13bc;p=platform%2Fkernel%2Flinux-amlogic.git

drm/nvc0: implement memory detection

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---

diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 47e5ad9..9689d414 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -320,7 +320,8 @@ nouveau_mem_detect(struct drm_device *dev)
 	if (dev_priv->card_type < NV_50) {
 		dev_priv->vram_size  = nv_rd32(dev, NV04_PFB_FIFO_DATA);
 		dev_priv->vram_size &= NV10_PFB_FIFO_DATA_RAM_AMOUNT_MB_MASK;
-	} else {
+	} else
+	if (dev_priv->card_type < NV_C0) {
 		dev_priv->vram_size = nv_rd32(dev, NV04_PFB_FIFO_DATA);
 		dev_priv->vram_size |= (dev_priv->vram_size & 0xff) << 32;
 		dev_priv->vram_size &= 0xffffffff00ll;
@@ -328,6 +329,9 @@ nouveau_mem_detect(struct drm_device *dev)
 			dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10);
 			dev_priv->vram_sys_base <<= 12;
 		}
+	} else {
+		dev_priv->vram_size  = nv_rd32(dev, 0x10f20c) << 20;
+		dev_priv->vram_size *= nv_rd32(dev, 0x121c74);
 	}
 
 	NV_INFO(dev, "Detected %dMiB VRAM\n", (int)(dev_priv->vram_size >> 20));