1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index fc924b649195..9ab0c83fe9be 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -2146,7 +2146,8 @@ init_reset(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
         /* no iexec->execute check by design */
 
         pci_nv_19 = bios_rd32(bios, NV_PBUS_PCI_NV_19);
-        bios_wr32(bios, NV_PBUS_PCI_NV_19, 0);
+        bios_wr32(bios, NV_PBUS_PCI_NV_19, pci_nv_19 & ~0xf00);
+
         bios_wr32(bios, reg, value1);
 
         udelay(10);