From 921be10d85ca10973b374ef10273c2f228081ee8 Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 8 Apr 2016 17:24:40 +1000 Subject: [PATCH] drm/nouveau/mc: implement support for PTOP interrupt routing Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c index 134d44aba1e5..184325cdc138 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c @@ -60,9 +60,18 @@ nvkm_mc_intr(struct nvkm_mc *mc, bool *handled) struct nvkm_device *device = mc->subdev.device; struct nvkm_subdev *subdev; const struct nvkm_mc_map *map = mc->func->intr; - u32 stat, intr; + u32 stat, intr = nvkm_mc_intr_mask(mc); + u64 subdevs; + + stat = nvkm_top_intr(device->top, intr, &subdevs); + while (subdevs) { + enum nvkm_devidx subidx = __ffs64(subdevs); + subdev = nvkm_device_subdev(device, subidx); + if (subdev) + nvkm_subdev_intr(subdev); + subdevs &= ~BIT_ULL(subidx); + } - stat = intr = nvkm_mc_intr_mask(mc); while (map->stat) { if (intr & map->stat) { subdev = nvkm_device_subdev(device, map->unit); -- 2.39.5