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drm/nouveau/top: add function to lookup interrupt mask for a given device 

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2016-05-30 10:36:02 +10:00
parent 952eb819e3
commit 3560e1703f
2 changed files with 17 additions and 0 deletions
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1
drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h
View File

@ -10,6 +10,7 @@ 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);
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);

16
drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c
View File

@ -56,6 +56,22 @@ nvkm_top_reset(struct nvkm_device *device, enum nvkm_devidx index)
return 0;
}
u32
nvkm_top_intr_mask(struct nvkm_device *device, enum nvkm_devidx devidx)
{
struct nvkm_top *top = device->top;
struct nvkm_top_device *info;
if (top) {
list_for_each_entry(info, &top->device, head) {
if (info->index == devidx && info->intr >= 0)
return BIT(info->intr);
}
}
return 0;
}
u32
nvkm_top_intr(struct nvkm_device *device, u32 intr, u64 *psubdevs)
{