drm/nouveau: fix big-endian switch

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 8021888..144f79a 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -881,8 +881,8 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 
 #ifdef __BIG_ENDIAN
        /* Put the card in BE mode if it's not */
-       if (nv_rd32(dev, NV03_PMC_BOOT_1))
-               nv_wr32(dev, NV03_PMC_BOOT_1, 0x00000001);
+       if (nv_rd32(dev, NV03_PMC_BOOT_1) != 0x01000001)
+               nv_wr32(dev, NV03_PMC_BOOT_1, 0x01000001);
 
        DRM_MEMORYBARRIER();
 #endif