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path: root/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/disp/vga.c')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/disp/vga.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/vga.c b/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
index 5a1c68474597..8836c3cb99c3 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/vga.c
@@ -138,10 +138,15 @@ nv_wrvgai(void *obj, int head, u16 port, u8 index, u8 value)
bool
nv_lockvgac(void *obj, bool lock)
{
+ struct nouveau_device *dev = nv_device(obj);
+
bool locked = !nv_rdvgac(obj, 0, 0x1f);
u8 data = lock ? 0x99 : 0x57;
- nv_wrvgac(obj, 0, 0x1f, data);
- if (nv_device(obj)->chipset == 0x11) {
+ if (dev->card_type < NV_50)
+ nv_wrvgac(obj, 0, 0x1f, data);
+ else
+ nv_wrvgac(obj, 0, 0x3f, data);
+ if (dev->chipset == 0x11) {
if (!(nv_rd32(obj, 0x001084) & 0x10000000))
nv_wrvgac(obj, 1, 0x1f, data);
}