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 --- kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c | 109 ++++++++++++++------------- 1 file changed, 56 insertions(+), 53 deletions(-) (limited to 'kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c') diff --git a/kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c b/kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c index 18f449715..d2e7d209f 100644 --- a/kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/kernel/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -29,12 +29,15 @@ #include "nouveau_gem.h" #include "drm_legacy.h" + +#include + static int nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) { struct nouveau_drm *drm = nouveau_bdev(man->bdev); - struct nvkm_fb *pfb = nvxx_fb(&drm->device); - man->priv = pfb; + struct nvkm_fb *fb = nvxx_fb(&drm->device); + man->priv = fb; return 0; } @@ -64,9 +67,9 @@ nouveau_vram_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { struct nouveau_drm *drm = nouveau_bdev(man->bdev); - struct nvkm_fb *pfb = nvxx_fb(&drm->device); + struct nvkm_ram *ram = nvxx_fb(&drm->device)->ram; nvkm_mem_node_cleanup(mem->mm_node); - pfb->ram->put(pfb, (struct nvkm_mem **)&mem->mm_node); + ram->func->put(ram, (struct nvkm_mem **)&mem->mm_node); } static int @@ -76,7 +79,7 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) { struct nouveau_drm *drm = nouveau_bdev(man->bdev); - struct nvkm_fb *pfb = nvxx_fb(&drm->device); + struct nvkm_ram *ram = nvxx_fb(&drm->device)->ram; struct nouveau_bo *nvbo = nouveau_bo(bo); struct nvkm_mem *node; u32 size_nc = 0; @@ -88,9 +91,9 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) size_nc = 1 << nvbo->page_shift; - ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT, - mem->page_alignment << PAGE_SHIFT, size_nc, - (nvbo->tile_flags >> 8) & 0x3ff, &node); + ret = ram->func->get(ram, mem->num_pages << PAGE_SHIFT, + mem->page_alignment << PAGE_SHIFT, size_nc, + (nvbo->tile_flags >> 8) & 0x3ff, &node); if (ret) { mem->mm_node = NULL; return (ret == -ENOSPC) ? 0 : ret; @@ -103,38 +106,11 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man, return 0; } -static void -nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) -{ - struct nvkm_fb *pfb = man->priv; - struct nvkm_mm *mm = &pfb->vram; - struct nvkm_mm_node *r; - u32 total = 0, free = 0; - - mutex_lock(&nv_subdev(pfb)->mutex); - list_for_each_entry(r, &mm->nodes, nl_entry) { - printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n", - prefix, r->type, ((u64)r->offset << 12), - (((u64)r->offset + r->length) << 12)); - - total += r->length; - if (!r->type) - free += r->length; - } - mutex_unlock(&nv_subdev(pfb)->mutex); - - printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n", - prefix, (u64)total << 12, (u64)free << 12); - printk(KERN_DEBUG "%s block: 0x%08x\n", - prefix, mm->block_size << 12); -} - const struct ttm_mem_type_manager_func nouveau_vram_manager = { nouveau_vram_manager_init, nouveau_vram_manager_fini, nouveau_vram_manager_new, nouveau_vram_manager_del, - nouveau_vram_manager_debug }; static int @@ -175,15 +151,24 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man, node->page_shift = 12; switch (drm->device.info.family) { + case NV_DEVICE_INFO_V0_TNT: + case NV_DEVICE_INFO_V0_CELSIUS: + case NV_DEVICE_INFO_V0_KELVIN: + case NV_DEVICE_INFO_V0_RANKINE: + case NV_DEVICE_INFO_V0_CURIE: + break; case NV_DEVICE_INFO_V0_TESLA: if (drm->device.info.chipset != 0x50) node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; break; case NV_DEVICE_INFO_V0_FERMI: case NV_DEVICE_INFO_V0_KEPLER: + case NV_DEVICE_INFO_V0_MAXWELL: node->memtype = (nvbo->tile_flags & 0xff00) >> 8; break; default: + NV_WARN(drm, "%s: unhandled family type %x\n", __func__, + drm->device.info.family); break; } @@ -212,7 +197,7 @@ nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) { struct nouveau_drm *drm = nouveau_bdev(man->bdev); struct nvkm_mmu *mmu = nvxx_mmu(&drm->device); - struct nv04_mmu_priv *priv = (void *)mmu; + struct nv04_mmu *priv = (void *)mmu; struct nvkm_vm *vm = NULL; nvkm_vm_ref(priv->vm, &vm, NULL); man->priv = vm; @@ -353,26 +338,46 @@ nouveau_ttm_global_release(struct nouveau_drm *drm) int nouveau_ttm_init(struct nouveau_drm *drm) { + struct nvkm_device *device = nvxx_device(&drm->device); + struct nvkm_pci *pci = device->pci; struct drm_device *dev = drm->dev; - u32 bits; + u8 bits; int ret; + if (pci && pci->agp.bridge) { + drm->agp.bridge = pci->agp.bridge; + drm->agp.base = pci->agp.base; + drm->agp.size = pci->agp.size; + drm->agp.cma = pci->agp.cma; + } + bits = nvxx_mmu(&drm->device)->dma_bits; - if (nv_device_is_pci(nvxx_device(&drm->device))) { - if (drm->agp.stat == ENABLED || - !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits))) + if (nvxx_device(&drm->device)->func->pci) { + if (drm->agp.bridge) bits = 32; + } else if (device->func->tegra) { + struct nvkm_device_tegra *tegra = device->func->tegra(device); - ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits)); - if (ret) - return ret; + /* + * If the platform can use a IOMMU, then the addressable DMA + * space is constrained by the IOMMU bit + */ + if (tegra->func->iommu_bit) + bits = min(bits, tegra->func->iommu_bit); + + } - ret = pci_set_consistent_dma_mask(dev->pdev, - DMA_BIT_MASK(bits)); - if (ret) - pci_set_consistent_dma_mask(dev->pdev, - DMA_BIT_MASK(32)); + ret = dma_set_mask(dev->dev, DMA_BIT_MASK(bits)); + if (ret && bits != 32) { + bits = 32; + ret = dma_set_mask(dev->dev, DMA_BIT_MASK(bits)); } + if (ret) + return ret; + + ret = dma_set_coherent_mask(dev->dev, DMA_BIT_MASK(bits)); + if (ret) + dma_set_coherent_mask(dev->dev, DMA_BIT_MASK(32)); ret = nouveau_ttm_global_init(drm); if (ret) @@ -399,11 +404,11 @@ nouveau_ttm_init(struct nouveau_drm *drm) return ret; } - drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(nvxx_device(&drm->device), 1), - nv_device_resource_len(nvxx_device(&drm->device), 1)); + drm->ttm.mtrr = arch_phys_wc_add(device->func->resource_addr(device, 1), + device->func->resource_size(device, 1)); /* GART init */ - if (drm->agp.stat != ENABLED) { + if (!drm->agp.bridge) { drm->gem.gart_available = nvxx_mmu(&drm->device)->limit; } else { drm->gem.gart_available = drm->agp.size; @@ -424,10 +429,8 @@ nouveau_ttm_init(struct nouveau_drm *drm) void nouveau_ttm_fini(struct nouveau_drm *drm) { - mutex_lock(&drm->dev->struct_mutex); ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); - mutex_unlock(&drm->dev->struct_mutex); ttm_bo_device_release(&drm->ttm.bdev); -- cgit 1.2.3-korg