Commit eec9ffe4 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/top: add function to lookup PRI address for devices 



Will be using this in upcoming changes to avoid the need for entirely
new subdevs to deal with Turing register moves.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 78cdadb8

drivers/gpu/drm/nouveau/include/nvkm/subdev/top.h

+1 −0
Original line number Diff line number Diff line
@@ -9,6 +9,7 @@ struct nvkm_top { 
	struct list_head device;

};



u32 nvkm_top_addr(struct nvkm_device *, enum nvkm_devidx);

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);

drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c

+16 −0
Original line number Diff line number Diff line
@@ -40,6 +40,22 @@ nvkm_top_device_new(struct nvkm_top *top) 
	return info;

}



u32

nvkm_top_addr(struct nvkm_device *device, enum nvkm_devidx index)

{

	struct nvkm_top *top = device->top;

	struct nvkm_top_device *info;



	if (top) {

		list_for_each_entry(info, &top->device, head) {

			if (info->index == index)

				return info->addr;

		}

	}



	return 0;

}



u32

nvkm_top_reset(struct nvkm_device *device, enum nvkm_devidx index)

{