diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c | 130 |
1 files changed, 25 insertions, 105 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c index 21c4af3f81d5..c85600ba69f9 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mc/base.c @@ -37,84 +37,14 @@ nvkm_mc_unk260(struct nvkm_device *device, u32 data) void nvkm_mc_intr_mask(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, bool en) { - struct nvkm_mc *mc = device->mc; - const struct nvkm_mc_map *map; - if (likely(mc) && mc->func->intr_mask) { - u32 mask = nvkm_top_intr_mask(device, type, inst); - for (map = mc->func->intr; !mask && map->stat; map++) { - if (map->type == type && map->inst == inst) - mask = map->stat; - } - mc->func->intr_mask(mc, mask, en ? mask : 0); - } -} - -void -nvkm_mc_intr_unarm(struct nvkm_device *device) -{ - struct nvkm_mc *mc = device->mc; - if (likely(mc)) - mc->func->intr_unarm(mc); -} - -void -nvkm_mc_intr_rearm(struct nvkm_device *device) -{ - struct nvkm_mc *mc = device->mc; - if (likely(mc)) - mc->func->intr_rearm(mc); -} - -static u32 -nvkm_mc_intr_stat(struct nvkm_mc *mc) -{ - u32 intr = mc->func->intr_stat(mc); - if (WARN_ON_ONCE(intr == 0xffffffff)) - intr = 0; /* likely fallen off the bus */ - return intr; -} - -void -nvkm_mc_intr(struct nvkm_device *device, bool *handled) -{ - struct nvkm_mc *mc = device->mc; - struct nvkm_top *top = device->top; - struct nvkm_top_device *tdev; - struct nvkm_subdev *subdev; - const struct nvkm_mc_map *map; - u32 stat, intr; - - if (unlikely(!mc)) - return; - - stat = intr = nvkm_mc_intr_stat(mc); - - if (top) { - list_for_each_entry(tdev, &top->device, head) { - if (tdev->intr >= 0 && (stat & BIT(tdev->intr))) { - subdev = nvkm_device_subdev(device, tdev->type, tdev->inst); - if (subdev) { - nvkm_subdev_intr(subdev); - stat &= ~BIT(tdev->intr); - if (!stat) - break; - } - } - } - } + struct nvkm_subdev *subdev = nvkm_device_subdev(device, type, inst); - for (map = mc->func->intr; map->stat; map++) { - if (intr & map->stat) { - subdev = nvkm_device_subdev(device, map->type, map->inst); - if (subdev) - nvkm_subdev_intr(subdev); - stat &= ~map->stat; - } + if (subdev) { + if (en) + nvkm_intr_allow(subdev, NVKM_INTR_SUBDEV); + else + nvkm_intr_block(subdev, NVKM_INTR_SUBDEV); } - - if (stat) - nvkm_error(&mc->subdev, "intr %08x\n", stat); - *handled = intr != 0; } static u32 @@ -143,9 +73,8 @@ nvkm_mc_reset(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { u64 pmc_enable = nvkm_mc_reset_mask(device, true, type, inst); if (pmc_enable) { - nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); - nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); - nvkm_rd32(device, 0x000200); + device->mc->func->device->disable(device->mc, pmc_enable); + device->mc->func->device->enable(device->mc, pmc_enable); } } @@ -154,17 +83,15 @@ nvkm_mc_disable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst { u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); if (pmc_enable) - nvkm_mask(device, 0x000200, pmc_enable, 0x00000000); + device->mc->func->device->disable(device->mc, pmc_enable); } void nvkm_mc_enable(struct nvkm_device *device, enum nvkm_subdev_type type, int inst) { u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); - if (pmc_enable) { - nvkm_mask(device, 0x000200, pmc_enable, pmc_enable); - nvkm_rd32(device, 0x000200); - } + if (pmc_enable) + device->mc->func->device->enable(device->mc, pmc_enable); } bool @@ -172,16 +99,7 @@ nvkm_mc_enabled(struct nvkm_device *device, enum nvkm_subdev_type type, int inst { u64 pmc_enable = nvkm_mc_reset_mask(device, false, type, inst); - return (pmc_enable != 0) && - ((nvkm_rd32(device, 0x000200) & pmc_enable) == pmc_enable); -} - - -static int -nvkm_mc_fini(struct nvkm_subdev *subdev, bool suspend) -{ - nvkm_mc_intr_unarm(subdev->device); - return 0; + return (pmc_enable != 0) && device->mc->func->device->enabled(device->mc, pmc_enable); } static int @@ -190,7 +108,6 @@ nvkm_mc_init(struct nvkm_subdev *subdev) struct nvkm_mc *mc = nvkm_mc(subdev); if (mc->func->init) mc->func->init(mc); - nvkm_mc_intr_rearm(subdev->device); return 0; } @@ -204,24 +121,27 @@ static const struct nvkm_subdev_func nvkm_mc = { .dtor = nvkm_mc_dtor, .init = nvkm_mc_init, - .fini = nvkm_mc_fini, }; -void -nvkm_mc_ctor(const struct nvkm_mc_func *func, struct nvkm_device *device, - enum nvkm_subdev_type type, int inst, struct nvkm_mc *mc) -{ - nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev); - mc->func = func; -} - int nvkm_mc_new_(const struct nvkm_mc_func *func, struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc) { struct nvkm_mc *mc; + int ret; + if (!(mc = *pmc = kzalloc(sizeof(*mc), GFP_KERNEL))) return -ENOMEM; - nvkm_mc_ctor(func, device, type, inst, *pmc); + + nvkm_subdev_ctor(&nvkm_mc, device, type, inst, &mc->subdev); + mc->func = func; + + if (mc->func->intr) { + ret = nvkm_intr_add(mc->func->intr, mc->func->intrs, &mc->subdev, + mc->func->intr_nonstall ? 2 : 1, &mc->intr); + if (ret) + return ret; + } + return 0; } |