From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- .../gpu/drm/nouveau/nvkm/subdev/bar/gf100.c | 205 +++++++++------------ 1 file changed, 84 insertions(+), 121 deletions(-) (limited to 'kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c') diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c index 12a1aebd9..c794b2c2d 100644 --- a/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c +++ b/kernel/drivers/gpu/drm/nouveau/nvkm/subdev/bar/gf100.c @@ -21,101 +21,60 @@ * * Authors: Ben Skeggs */ -#include "priv.h" +#include "gf100.h" -#include #include #include #include -struct gf100_bar_priv_vm { - struct nvkm_gpuobj *mem; - struct nvkm_gpuobj *pgd; - struct nvkm_vm *vm; -}; - -struct gf100_bar_priv { - struct nvkm_bar base; - spinlock_t lock; - struct gf100_bar_priv_vm bar[2]; -}; - -static int -gf100_bar_kmap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags, - struct nvkm_vma *vma) -{ - struct gf100_bar_priv *priv = (void *)bar; - int ret; - - ret = nvkm_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma); - if (ret) - return ret; - - nvkm_vm_map(vma, mem); - return 0; -} - -static int -gf100_bar_umap(struct nvkm_bar *bar, struct nvkm_mem *mem, u32 flags, - struct nvkm_vma *vma) +static struct nvkm_vm * +gf100_bar_kmap(struct nvkm_bar *base) { - struct gf100_bar_priv *priv = (void *)bar; - int ret; - - ret = nvkm_vm_get(priv->bar[1].vm, mem->size << 12, - mem->page_shift, flags, vma); - if (ret) - return ret; - - nvkm_vm_map(vma, mem); - return 0; + return gf100_bar(base)->bar[0].vm; } -static void -gf100_bar_unmap(struct nvkm_bar *bar, struct nvkm_vma *vma) +int +gf100_bar_umap(struct nvkm_bar *base, u64 size, int type, struct nvkm_vma *vma) { - nvkm_vm_unmap(vma); - nvkm_vm_put(vma); + struct gf100_bar *bar = gf100_bar(base); + return nvkm_vm_get(bar->bar[1].vm, size, type, NV_MEM_ACCESS_RW, vma); } static int -gf100_bar_ctor_vm(struct gf100_bar_priv *priv, struct gf100_bar_priv_vm *bar_vm, - int bar_nr) +gf100_bar_ctor_vm(struct gf100_bar *bar, struct gf100_bar_vm *bar_vm, + struct lock_class_key *key, int bar_nr) { - struct nvkm_device *device = nv_device(&priv->base); + struct nvkm_device *device = bar->base.subdev.device; struct nvkm_vm *vm; resource_size_t bar_len; int ret; - ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x1000, 0, 0, + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x1000, 0, false, &bar_vm->mem); if (ret) return ret; - ret = nvkm_gpuobj_new(nv_object(priv), NULL, 0x8000, 0, 0, - &bar_vm->pgd); + ret = nvkm_gpuobj_new(device, 0x8000, 0, false, NULL, &bar_vm->pgd); if (ret) return ret; - bar_len = nv_device_resource_len(device, bar_nr); + bar_len = device->func->resource_size(device, bar_nr); - ret = nvkm_vm_new(device, 0, bar_len, 0, &vm); + ret = nvkm_vm_new(device, 0, bar_len, 0, key, &vm); if (ret) return ret; - atomic_inc(&vm->engref[NVDEV_SUBDEV_BAR]); + atomic_inc(&vm->engref[NVKM_SUBDEV_BAR]); /* * Bootstrap page table lookup. */ if (bar_nr == 3) { - ret = nvkm_gpuobj_new(nv_object(priv), NULL, - (bar_len >> 12) * 8, 0x1000, - NVOBJ_FLAG_ZERO_ALLOC, - &vm->pgt[0].obj[0]); - vm->pgt[0].refcount[0] = 1; - if (ret) + ret = nvkm_vm_boot(vm, bar_len); + if (ret) { + nvkm_vm_ref(NULL, &vm, NULL); return ret; + } } ret = nvkm_vm_ref(vm, &bar_vm->vm, bar_vm->pgd); @@ -123,97 +82,101 @@ gf100_bar_ctor_vm(struct gf100_bar_priv *priv, struct gf100_bar_priv_vm *bar_vm, if (ret) return ret; - nv_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr)); - nv_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr)); - nv_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1)); - nv_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1)); + nvkm_kmap(bar_vm->mem); + nvkm_wo32(bar_vm->mem, 0x0200, lower_32_bits(bar_vm->pgd->addr)); + nvkm_wo32(bar_vm->mem, 0x0204, upper_32_bits(bar_vm->pgd->addr)); + nvkm_wo32(bar_vm->mem, 0x0208, lower_32_bits(bar_len - 1)); + nvkm_wo32(bar_vm->mem, 0x020c, upper_32_bits(bar_len - 1)); + nvkm_done(bar_vm->mem); return 0; } int -gf100_bar_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +gf100_bar_oneinit(struct nvkm_bar *base) { - struct nvkm_device *device = nv_device(parent); - struct gf100_bar_priv *priv; - bool has_bar3 = nv_device_resource_len(device, 3) != 0; + static struct lock_class_key bar1_lock; + static struct lock_class_key bar3_lock; + struct gf100_bar *bar = gf100_bar(base); int ret; - ret = nvkm_bar_create(parent, engine, oclass, &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - /* BAR3 */ - if (has_bar3) { - ret = gf100_bar_ctor_vm(priv, &priv->bar[0], 3); + if (bar->base.func->kmap) { + ret = gf100_bar_ctor_vm(bar, &bar->bar[0], &bar3_lock, 3); if (ret) return ret; } /* BAR1 */ - ret = gf100_bar_ctor_vm(priv, &priv->bar[1], 1); + ret = gf100_bar_ctor_vm(bar, &bar->bar[1], &bar1_lock, 1); if (ret) return ret; - if (has_bar3) { - priv->base.alloc = nvkm_bar_alloc; - priv->base.kmap = gf100_bar_kmap; - } - priv->base.umap = gf100_bar_umap; - priv->base.unmap = gf100_bar_unmap; - priv->base.flush = g84_bar_flush; - spin_lock_init(&priv->lock); return 0; } -void -gf100_bar_dtor(struct nvkm_object *object) +int +gf100_bar_init(struct nvkm_bar *base) { - struct gf100_bar_priv *priv = (void *)object; + struct gf100_bar *bar = gf100_bar(base); + struct nvkm_device *device = bar->base.subdev.device; + u32 addr; + + nvkm_mask(device, 0x000200, 0x00000100, 0x00000000); + nvkm_mask(device, 0x000200, 0x00000100, 0x00000100); - nvkm_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd); - nvkm_gpuobj_ref(NULL, &priv->bar[1].pgd); - nvkm_gpuobj_ref(NULL, &priv->bar[1].mem); + addr = nvkm_memory_addr(bar->bar[1].mem) >> 12; + nvkm_wr32(device, 0x001704, 0x80000000 | addr); - if (priv->bar[0].vm) { - nvkm_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]); - nvkm_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd); + if (bar->bar[0].mem) { + addr = nvkm_memory_addr(bar->bar[0].mem) >> 12; + nvkm_wr32(device, 0x001714, 0xc0000000 | addr); } - nvkm_gpuobj_ref(NULL, &priv->bar[0].pgd); - nvkm_gpuobj_ref(NULL, &priv->bar[0].mem); - nvkm_bar_destroy(&priv->base); + return 0; } -int -gf100_bar_init(struct nvkm_object *object) +void * +gf100_bar_dtor(struct nvkm_bar *base) { - struct gf100_bar_priv *priv = (void *)object; - int ret; + struct gf100_bar *bar = gf100_bar(base); - ret = nvkm_bar_init(&priv->base); - if (ret) - return ret; + nvkm_vm_ref(NULL, &bar->bar[1].vm, bar->bar[1].pgd); + nvkm_gpuobj_del(&bar->bar[1].pgd); + nvkm_memory_del(&bar->bar[1].mem); - nv_mask(priv, 0x000200, 0x00000100, 0x00000000); - nv_mask(priv, 0x000200, 0x00000100, 0x00000100); + if (bar->bar[0].vm) { + nvkm_memory_del(&bar->bar[0].vm->pgt[0].mem[0]); + nvkm_vm_ref(NULL, &bar->bar[0].vm, bar->bar[0].pgd); + } + nvkm_gpuobj_del(&bar->bar[0].pgd); + nvkm_memory_del(&bar->bar[0].mem); + return bar; +} - nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12); - if (priv->bar[0].mem) - nv_wr32(priv, 0x001714, - 0xc0000000 | priv->bar[0].mem->addr >> 12); +int +gf100_bar_new_(const struct nvkm_bar_func *func, struct nvkm_device *device, + int index, struct nvkm_bar **pbar) +{ + struct gf100_bar *bar; + if (!(bar = kzalloc(sizeof(*bar), GFP_KERNEL))) + return -ENOMEM; + nvkm_bar_ctor(func, device, index, &bar->base); + *pbar = &bar->base; return 0; } -struct nvkm_oclass -gf100_bar_oclass = { - .handle = NV_SUBDEV(BAR, 0xc0), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = gf100_bar_ctor, - .dtor = gf100_bar_dtor, - .init = gf100_bar_init, - .fini = _nvkm_bar_fini, - }, +static const struct nvkm_bar_func +gf100_bar_func = { + .dtor = gf100_bar_dtor, + .oneinit = gf100_bar_oneinit, + .init = gf100_bar_init, + .kmap = gf100_bar_kmap, + .umap = gf100_bar_umap, + .flush = g84_bar_flush, }; + +int +gf100_bar_new(struct nvkm_device *device, int index, struct nvkm_bar **pbar) +{ + return gf100_bar_new_(&gf100_bar_func, device, index, pbar); +} -- cgit 1.2.3-korg