diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c index cd5adbec5e57..985f2990ab0d 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c @@ -44,14 +44,13 @@ #include "priv.h" #include <core/memory.h> -#include <core/mm.h> #include <core/tegra.h> -#include <subdev/fb.h> #include <subdev/ltc.h> +#include <subdev/mmu.h> struct gk20a_instobj { struct nvkm_memory memory; - struct nvkm_mem mem; + struct nvkm_mm_node *mn; struct gk20a_instmem *imem; /* CPU mapping */ @@ -119,16 +118,22 @@ gk20a_instobj_target(struct nvkm_memory *memory) return NVKM_MEM_TARGET_NCOH; } +static u8 +gk20a_instobj_page(struct nvkm_memory *memory) +{ + return 12; +} + static u64 gk20a_instobj_addr(struct nvkm_memory *memory) { - return gk20a_instobj(memory)->mem.offset; + return (u64)gk20a_instobj(memory)->mn->offset << 12; } static u64 gk20a_instobj_size(struct nvkm_memory *memory) { - return (u64)gk20a_instobj(memory)->mem.size << 12; + return (u64)gk20a_instobj(memory)->mn->length << 12; } /* @@ -272,12 +277,18 @@ gk20a_instobj_wr32(struct nvkm_memory *memory, u64 offset, u32 data) node->vaddr[offset / 4] = data; } -static void -gk20a_instobj_map(struct nvkm_memory *memory, struct nvkm_vma *vma, u64 offset) +static int +gk20a_instobj_map(struct nvkm_memory *memory, u64 offset, struct nvkm_vmm *vmm, + struct nvkm_vma *vma, void *argv, u32 argc) { struct gk20a_instobj *node = gk20a_instobj(memory); + struct nvkm_vmm_map map = { + .memory = &node->memory, + .offset = offset, + .mem = node->mn, + }; - nvkm_vm_map_at(vma, offset, &node->mem); + return nvkm_vmm_map(vmm, vma, argv, argc, &map); } static void * @@ -290,8 +301,8 @@ gk20a_instobj_dtor_dma(struct nvkm_memory *memory) if (unlikely(!node->base.vaddr)) goto out; - dma_free_attrs(dev, node->base.mem.size << PAGE_SHIFT, node->base.vaddr, - node->handle, imem->attrs); + dma_free_attrs(dev, (u64)node->base.mn->length << PAGE_SHIFT, + node->base.vaddr, node->handle, imem->attrs); out: return node; @@ -303,7 +314,7 @@ gk20a_instobj_dtor_iommu(struct nvkm_memory *memory) struct gk20a_instobj_iommu *node = gk20a_instobj_iommu(memory); struct gk20a_instmem *imem = node->base.imem; struct device *dev = imem->base.subdev.device->dev; - struct nvkm_mm_node *r = node->base.mem.mem; + struct nvkm_mm_node *r = node->base.mn; int i; if (unlikely(!r)) @@ -321,7 +332,7 @@ gk20a_instobj_dtor_iommu(struct nvkm_memory *memory) r->offset &= ~BIT(imem->iommu_bit - imem->iommu_pgshift); /* Unmap pages from GPU address space and free them */ - for (i = 0; i < node->base.mem.size; i++) { + for (i = 0; i < node->base.mn->length; i++) { iommu_unmap(imem->domain, (r->offset + i) << imem->iommu_pgshift, PAGE_SIZE); dma_unmap_page(dev, node->dma_addrs[i], PAGE_SIZE, @@ -342,12 +353,11 @@ static const struct nvkm_memory_func gk20a_instobj_func_dma = { .dtor = gk20a_instobj_dtor_dma, .target = gk20a_instobj_target, + .page = gk20a_instobj_page, .addr = gk20a_instobj_addr, .size = gk20a_instobj_size, .acquire = gk20a_instobj_acquire_dma, .release = gk20a_instobj_release_dma, - .rd32 = gk20a_instobj_rd32, - .wr32 = gk20a_instobj_wr32, .map = gk20a_instobj_map, }; @@ -355,13 +365,18 @@ static const struct nvkm_memory_func gk20a_instobj_func_iommu = { .dtor = gk20a_instobj_dtor_iommu, .target = gk20a_instobj_target, + .page = gk20a_instobj_page, .addr = gk20a_instobj_addr, .size = gk20a_instobj_size, .acquire = gk20a_instobj_acquire_iommu, .release = gk20a_instobj_release_iommu, + .map = gk20a_instobj_map, +}; + +static const struct nvkm_memory_ptrs +gk20a_instobj_ptrs = { .rd32 = gk20a_instobj_rd32, .wr32 = gk20a_instobj_wr32, - .map = gk20a_instobj_map, }; static int @@ -377,6 +392,7 @@ gk20a_instobj_ctor_dma(struct gk20a_instmem *imem, u32 npages, u32 align, *_node = &node->base; nvkm_memory_ctor(&gk20a_instobj_func_dma, &node->base.memory); + node->base.memory.ptrs = &gk20a_instobj_ptrs; node->base.vaddr = dma_alloc_attrs(dev, npages << PAGE_SHIFT, &node->handle, GFP_KERNEL, @@ -397,8 +413,7 @@ gk20a_instobj_ctor_dma(struct gk20a_instmem *imem, u32 npages, u32 align, node->r.offset = node->handle >> 12; node->r.length = (npages << PAGE_SHIFT) >> 12; - node->base.mem.offset = node->handle; - node->base.mem.mem = &node->r; + node->base.mn = &node->r; return 0; } @@ -424,6 +439,7 @@ gk20a_instobj_ctor_iommu(struct gk20a_instmem *imem, u32 npages, u32 align, node->dma_addrs = (void *)(node->pages + npages); nvkm_memory_ctor(&gk20a_instobj_func_iommu, &node->base.memory); + node->base.memory.ptrs = &gk20a_instobj_ptrs; /* Allocate backing memory */ for (i = 0; i < npages; i++) { @@ -474,8 +490,7 @@ gk20a_instobj_ctor_iommu(struct gk20a_instmem *imem, u32 npages, u32 align, /* IOMMU bit tells that an address is to be resolved through the IOMMU */ r->offset |= BIT(imem->iommu_bit - imem->iommu_pgshift); - node->base.mem.offset = ((u64)r->offset) << imem->iommu_pgshift; - node->base.mem.mem = r; + node->base.mn = r; return 0; release_area: @@ -523,13 +538,8 @@ gk20a_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero, node->imem = imem; - /* present memory for being mapped using small pages */ - node->mem.size = size >> 12; - node->mem.memtype = 0; - node->mem.page_shift = 12; - nvkm_debug(subdev, "alloc size: 0x%x, align: 0x%x, gaddr: 0x%llx\n", - size, align, node->mem.offset); + size, align, (u64)node->mn->offset << 12); return 0; } @@ -554,7 +564,6 @@ static const struct nvkm_instmem_func gk20a_instmem = { .dtor = gk20a_instmem_dtor, .memory_new = gk20a_instobj_new, - .persistent = true, .zero = false, }; |