diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2015-10-01 14:58:04 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-11-03 14:57:36 +1000 |
| commit | d59cfcb3d78dea63fb8426551c60a5731838145f (patch) | |
| tree | 2ebad67142cc8e50530d60a20ed3145c0246d8cd | |
| parent | c1b14b5e1121613fd9de2bb7be6a575ac2557cd4 (diff) | |
| download | nouveau-d59cfcb3d78dea63fb8426551c60a5731838145f.tar.gz | |
pmu/gk104: check fuse to determine presence of PGOB
Not 100% confirmed, but seems to match from the few boards I've looked
at so far.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drm/nouveau/nvkm/subdev/pmu/gk104.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drm/nouveau/nvkm/subdev/pmu/gk104.c b/drm/nouveau/nvkm/subdev/pmu/gk104.c index e33f5c03b..d942fa7b9 100644 --- a/drm/nouveau/nvkm/subdev/pmu/gk104.c +++ b/drm/nouveau/nvkm/subdev/pmu/gk104.c @@ -27,6 +27,7 @@ #include "fuc/gf119.fuc4.h" #include <core/option.h> +#include <subdev/fuse.h> #include <subdev/timer.h> static void @@ -57,6 +58,9 @@ gk104_pmu_pgob(struct nvkm_pmu *pmu, bool enable) { struct nvkm_device *device = pmu->subdev.device; + if (!(nvkm_fuse_read(device->fuse, 0x31c) & 0x00000001)) + return; + nvkm_mask(device, 0x000200, 0x00001000, 0x00000000); nvkm_rd32(device, 0x000200); nvkm_mask(device, 0x000200, 0x08000000, 0x08000000); |