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| author | Ben Skeggs <bskeggs@redhat.com> | 2017-01-18 07:57:01 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-02-17 10:38:11 +0300 |
| commit | 13416077e54354df19d3a4f98e574cce451cec2d (patch) | |
| tree | c667c7af1eb667ac55e3dfbc437c71f5ae99f68a | |
| parent | 6845c313f79fd44c64834b98d4341187e77b2377 (diff) | |
| download | linux-13416077e54354df19d3a4f98e574cce451cec2d.tar.xz | |
drm/nouveau/top: add function to translate subdev index to mmu fault id
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c | 14 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h index 71ebbfd4484f..d23209b62c25 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h @@ -11,6 +11,7 @@ struct nvkm_top { u32 nvkm_top_reset(struct nvkm_device *, enum nvkm_devidx); u32 nvkm_top_intr(struct nvkm_device *, u32 intr, u64 *subdevs); u32 nvkm_top_intr_mask(struct nvkm_device *, enum nvkm_devidx); +int nvkm_top_fault_id(struct nvkm_device *, enum nvkm_devidx); enum nvkm_devidx nvkm_top_fault(struct nvkm_device *, int fault); enum nvkm_devidx nvkm_top_engine(struct nvkm_device *, int, int *runl, int *engn); diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c index fe063d5728e2..67ada1d9a28c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c @@ -95,6 +95,20 @@ nvkm_top_intr(struct nvkm_device *device, u32 intr, u64 *psubdevs) return intr & ~handled; } +int +nvkm_top_fault_id(struct nvkm_device *device, enum nvkm_devidx devidx) +{ + struct nvkm_top *top = device->top; + struct nvkm_top_device *info; + + list_for_each_entry(info, &top->device, head) { + if (info->index == devidx && info->fault >= 0) + return info->fault; + } + + return -ENOENT; +} + enum nvkm_devidx nvkm_top_fault(struct nvkm_device *device, int fault) { |