ref: b7525d1ed83868beb382e31cad54e951ea270298
parent: 14da3b8a1ff5d1643e2cd0482976d5092d476fc5
author: qwx <devnull@localhost>
date: Mon Mar 4 16:37:52 EST 2019
igfx: add support for 915gm tested on a t43 with igfx and a 1600x1200 t43p screen what works: lvds, blanking what doesn't: hwgc (not visible), snarfing edid untested: vga based on realemu traces.
--- a/sys/src/9/pc/vgaigfx.c
+++ b/sys/src/9/pc/vgaigfx.c
@@ -66,6 +66,7 @@
case 0x2a02: /* GM965 */
case 0x2a42: /* GM45 */
+ case 0x2592: /* GM915 */
off = 0x61204;
break;
@@ -156,6 +157,7 @@
if(pipe > 2)
return nil;
break;
+ case 0x2592: /* GM915 */
case 0x2a42: /* X200 */
case 0x29a2: /* 82P965/G965 HECI desktop */
case 0x2a02: /* CF-R7 */
--- a/sys/src/cmd/aux/vga/igfx.c
+++ b/sys/src/cmd/aux/vga/igfx.c
@@ -379,6 +379,7 @@
case 0x29a2: /* 82P965/G965 HECI desktop */
case 0x2a02: /* GM965/GL960/X3100 - ThinkPad X61 Tablet */
case 0x2a42: /* 4 Series Mobile - ThinkPad X200 */
+ case 0x2592: /* 915GM */
return TypeG45;
}
return -1;
@@ -889,7 +890,7 @@
dpll->ctrl.v |= 0x010000<<(p1-1);
/* FP1 P1 Post divisor */
- if(igfx->pci->did != 0x27a2){+ if(igfx->pci->did != 0x27a2 && igfx->pci->did != 0x2592){dpll->ctrl.v &= ~0xFF;
dpll->ctrl.v |= 0x01<<(p1-1);
dpll->fp1.v = dpll->fp0.v;