Attachment 47210 Details for Bug 72372 – agp_nvidia.c-3.diff

[patch] agp_nvidia.c-3.diff

agp_nvidia.c-3.diff (text/x-patch), 2.29 KB, created by Eric Anholt on 2005-06-24 02:27:14 UTC

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Creator: Eric Anholt

Created: 2005-06-24 02:27:14 UTC

Size: 2.29 KB

patch

obsolete

>Index: agp_nvidia.c
>===================================================================
>RCS file: /home/ncvs/src/sys/pci/agp_nvidia.c,v
>retrieving revision 1.9
>diff -u -r1.9 agp_nvidia.c
>--- agp_nvidia.c	2 Apr 2005 01:10:09 -0000	1.9
>+++ agp_nvidia.c	24 Jun 2005 01:24:29 -0000
>@@ -148,8 +148,8 @@
> 		sc->wbc_mask = 0x80000000;
> 		break;
> 	default:
>-		sc->wbc_mask = 0;
>-		break;
>+		device_printf(dev, "Bad chip id\n");
>+		return (ENODEV);
> 	}
> 
> 	/* AGP Controller */
>@@ -227,8 +227,7 @@
> 	for (i = 0; i < 8; i++) {
> 		pci_write_config(sc->mc2_dev, AGP_NVIDIA_2_ATTBASE(i),
> 				 (sc->gatt->ag_physical +
>-				   (i % sc->num_dirs) * 64 * 1024),
>-				 4);
>+				   (i % sc->num_dirs) * 64 * 1024) | 1, 4);
> 	}
> 
> 	/* GTLB Control */
>@@ -279,10 +278,17 @@
> static u_int32_t
> agp_nvidia_get_aperture(device_t dev)
> {
>-	u_int8_t	key;
>-
>-	key = ffs(pci_read_config(dev, AGP_NVIDIA_0_APSIZE, 1) & 0x0f);
>-	return (1 << (24 + (key ? key : 5)));
>+	switch (pci_read_config(dev, AGP_NVIDIA_0_APSIZE, 1) & 0x0f) {
>+	case 0: return (512 * 1024 * 1024); break;
>+	case 8: return (256 * 1024 * 1024); break;
>+	case 12: return (128 * 1024 * 1024); break;
>+	case 14: return (64 * 1024 * 1024); break;
>+	case 15: return (32 * 1024 * 1024); break;
>+	default:
>+		device_printf(dev, "Invalid aperture setting 0x%x",
>+		    pci_read_config(dev, AGP_NVIDIA_0_APSIZE, 1));
>+		return 0;
>+	}
> }
> 
> static int
>@@ -318,7 +324,7 @@
> 		return (EINVAL);
> 
> 	index = (sc->pg_offset + offset) >> AGP_PAGE_SHIFT;
>-	sc->gatt->ag_virtual[index] = physical;
>+	sc->gatt->ag_virtual[index] = physical | 1;
> 
> 	return (0);
> }
>@@ -343,6 +349,7 @@
> {
> 	struct agp_nvidia_softc *sc;
> 	u_int32_t wbc_reg, temp;
>+	volatile u_int32_t *ag_virtual;
> 	int i;
> 
> 	sc = (struct agp_nvidia_softc *)device_get_softc(dev);
>@@ -366,11 +373,13 @@
> 				"TLB flush took more than 3 seconds.\n");
> 	}
> 
>+	ag_virtual = (volatile u_int32_t *)sc->gatt->ag_virtual;
>+
> 	/* Flush TLB entries. */
> 	for(i = 0; i < 32 + 1; i++)
>-		temp = sc->gatt->ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
>+		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
> 	for(i = 0; i < 32 + 1; i++)
>-		temp = sc->gatt->ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
>+		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
> 
> 	return (0);
> }

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