drm/nve0/fb/gddr5: fix behaviour of lp3 setting
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c b/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c
index 34f9605..012c1ea 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/gddr5.c
@@ -78,6 +78,9 @@
ram->mr[3] &= ~0x020;
ram->mr[3] |= (rq & 0x01) << 5;
+ /*XXX: LP3, where's the bit? Let's hardcode to off for now */
+ ram->mr[5] &= ~0x004;
+
if (!vo)
vo = (ram->mr[6] & 0xff0) >> 4;
if (ram->mr[6] & 0x001)
diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
index bc86cfd..0fa983f 100644
--- a/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
+++ b/drivers/gpu/drm/nouveau/core/subdev/fb/ramnve0.c
@@ -528,7 +528,7 @@
ram_mask(fuc, mr[8], 0xfff, ram->base.mr[8]);
ram_nsec(fuc, 1000);
ram_mask(fuc, mr[1], 0xfff, ram->base.mr[1]);
- ram_mask(fuc, mr[5], 0xfff, ram->base.mr[5]);
+ ram_mask(fuc, mr[5], 0xfff, ram->base.mr[5] & ~0x004); /* LP3 later */
ram_mask(fuc, mr[6], 0xfff, ram->base.mr[6]);
ram_mask(fuc, mr[7], 0xfff, ram->base.mr[7]);
@@ -582,7 +582,7 @@
/* MR5: (re)enable LP3 if necessary
* XXX: need to find the switch, keeping off for now
*/
- ram_mask(fuc, mr[5], 0x00000004, 0x00000000);
+ ram_mask(fuc, mr[5], 0xfff, ram->base.mr[5]);
if (ram->mode != 2) {
ram_mask(fuc, 0x10f830, 0x01000000, 0x01000000);