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drm/nouveau/top: add function to translate subdev index to mmu fault id

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-01-18 14:57:01 +10:00
parent 6845c313f7
commit 13416077e5
2 changed files with 15 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h
View File

@ -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);

14
drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c
View File

@ -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)
{