xref: /OK3568_Linux_fs/external/xserver/debian/patches/06_use-intel-only-on-pre-gen4.diff (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDescription: Use intel ddx only on pre-gen4 hw, newer ones will fall back to modesetting
2*4882a593SmuzhiyunAuthor: Timo Aaltonen <tjaalton@debian.org>
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun--- a/hw/xfree86/common/xf86pciBus.c
5*4882a593Smuzhiyun+++ b/hw/xfree86/common/xf86pciBus.c
6*4882a593Smuzhiyun@@ -1174,7 +1174,23 @@ xf86VideoPtrToDriverList(struct pci_devi
7*4882a593Smuzhiyun 		case 0x0bef:
8*4882a593Smuzhiyun 			/* Use fbdev/vesa driver on Oaktrail, Medfield, CDV */
9*4882a593Smuzhiyun 			break;
10*4882a593Smuzhiyun-		default:
11*4882a593Smuzhiyun+		/* Default to intel only on pre-gen4 chips */
12*4882a593Smuzhiyun+		case 0x3577:
13*4882a593Smuzhiyun+		case 0x2562:
14*4882a593Smuzhiyun+		case 0x3582:
15*4882a593Smuzhiyun+		case 0x358e:
16*4882a593Smuzhiyun+		case 0x2572:
17*4882a593Smuzhiyun+		case 0x2582:
18*4882a593Smuzhiyun+		case 0x258a:
19*4882a593Smuzhiyun+		case 0x2592:
20*4882a593Smuzhiyun+		case 0x2772:
21*4882a593Smuzhiyun+		case 0x27a2:
22*4882a593Smuzhiyun+		case 0x27ae:
23*4882a593Smuzhiyun+		case 0x29b2:
24*4882a593Smuzhiyun+		case 0x29c2:
25*4882a593Smuzhiyun+		case 0x29d2:
26*4882a593Smuzhiyun+		case 0xa001:
27*4882a593Smuzhiyun+		case 0xa011:
28*4882a593Smuzhiyun 			driverList[0] = "intel";
29*4882a593Smuzhiyun 			break;
30*4882a593Smuzhiyun         }
31