diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2015-10-01 14:58:04 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2015-11-03 15:02:18 +1000 |
| commit | 560f989fe4260f0c729d3fc8a8691a3a02815f25 (patch) | |
| tree | 972ddf8dd67113f0ee62da1a580371a2db3117fc /drivers/gpu/drm | |
| parent | 779d16aacc192bc70232304ffc6b86dcedad1b45 (diff) | |
drm/nouveau/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>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c index e33f5c03b9ac..d942fa7b9f18 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c +++ b/drivers/gpu/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); |