diff options
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_perf.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_perf.c b/drivers/gpu/drm/nouveau/nouveau_perf.c index 6e3f93334a9..922fb6b664e 100644 --- a/drivers/gpu/drm/nouveau/nouveau_perf.c +++ b/drivers/gpu/drm/nouveau/nouveau_perf.c @@ -116,8 +116,10 @@ nouveau_perf_timing(struct drm_device *dev, struct bit_entry *P, entries = tmap[4]; } - ramcfg = nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x0000003c; - ramcfg >>= 2; + ramcfg = (nv_rd32(dev, NV_PEXTDEV_BOOT_0) & 0x0000003c) >> 2; + if (bios->ram_restrict_tbl_ptr) + ramcfg = bios->data[bios->ram_restrict_tbl_ptr + ramcfg]; + if (ramcfg >= entries) { NV_WARN(dev, "ramcfg strap out of bounds!\n"); return NULL; |