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path: root/drivers/gpu/drm/nouveau/nouveau_bo.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c440
1 files changed, 250 insertions, 190 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 7806278dce57..2ee75646ad6f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -44,6 +44,9 @@
#include <nvif/if500b.h>
#include <nvif/if900b.h>
+static int nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+ struct ttm_resource *reg);
+
/*
* NV10-NV40 tiling helpers
*/
@@ -137,6 +140,7 @@ nouveau_bo_del_ttm(struct ttm_buffer_object *bo)
struct nouveau_bo *nvbo = nouveau_bo(bo);
WARN_ON(nvbo->pin_refcnt > 0);
+ nouveau_bo_del_io_reserve_lru(bo);
nv10_bo_put_tile_region(dev, nvbo->tile, NULL);
/*
@@ -158,8 +162,7 @@ roundup_64(u64 x, u32 y)
}
static void
-nouveau_bo_fixup_align(struct nouveau_bo *nvbo, u32 flags,
- int *align, u64 *size)
+nouveau_bo_fixup_align(struct nouveau_bo *nvbo, int *align, u64 *size)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct nvif_device *device = &drm->client.device;
@@ -192,7 +195,7 @@ nouveau_bo_fixup_align(struct nouveau_bo *nvbo, u32 flags,
}
struct nouveau_bo *
-nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
+nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain,
u32 tile_mode, u32 tile_flags)
{
struct nouveau_drm *drm = cli->drm;
@@ -218,7 +221,7 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
* mapping, but is what NOUVEAU_GEM_DOMAIN_COHERENT gets translated
* into in nouveau_gem_new().
*/
- if (flags & TTM_PL_FLAG_UNCACHED) {
+ if (domain & NOUVEAU_GEM_DOMAIN_COHERENT) {
/* Determine if we can get a cache-coherent map, forcing
* uncached mapping if we can't.
*/
@@ -258,9 +261,9 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
* Skip page sizes that can't support needed domains.
*/
if (cli->device.info.family > NV_DEVICE_INFO_V0_CURIE &&
- (flags & TTM_PL_FLAG_VRAM) && !vmm->page[i].vram)
+ (domain & NOUVEAU_GEM_DOMAIN_VRAM) && !vmm->page[i].vram)
continue;
- if ((flags & TTM_PL_FLAG_TT) &&
+ if ((domain & NOUVEAU_GEM_DOMAIN_GART) &&
(!vmm->page[i].host || vmm->page[i].shift > PAGE_SHIFT))
continue;
@@ -287,13 +290,13 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 flags,
}
nvbo->page = vmm->page[pi].shift;
- nouveau_bo_fixup_align(nvbo, flags, align, size);
+ nouveau_bo_fixup_align(nvbo, align, size);
return nvbo;
}
int
-nouveau_bo_init(struct nouveau_bo *nvbo, u64 size, int align, u32 flags,
+nouveau_bo_init(struct nouveau_bo *nvbo, u64 size, int align, u32 domain,
struct sg_table *sg, struct dma_resv *robj)
{
int type = sg ? ttm_bo_type_sg : ttm_bo_type_device;
@@ -303,7 +306,8 @@ nouveau_bo_init(struct nouveau_bo *nvbo, u64 size, int align, u32 flags,
acc_size = ttm_bo_dma_acc_size(nvbo->bo.bdev, size, sizeof(*nvbo));
nvbo->bo.mem.num_pages = size >> PAGE_SHIFT;
- nouveau_bo_placement_set(nvbo, flags, 0);
+ nouveau_bo_placement_set(nvbo, domain, 0);
+ INIT_LIST_HEAD(&nvbo->io_reserve_lru);
ret = ttm_bo_init(nvbo->bo.bdev, &nvbo->bo, size, type,
&nvbo->placement, align >> PAGE_SHIFT, false,
@@ -318,19 +322,19 @@ nouveau_bo_init(struct nouveau_bo *nvbo, u64 size, int align, u32 flags,
int
nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
- uint32_t flags, uint32_t tile_mode, uint32_t tile_flags,
+ uint32_t domain, uint32_t tile_mode, uint32_t tile_flags,
struct sg_table *sg, struct dma_resv *robj,
struct nouveau_bo **pnvbo)
{
struct nouveau_bo *nvbo;
int ret;
- nvbo = nouveau_bo_alloc(cli, &size, &align, flags, tile_mode,
+ nvbo = nouveau_bo_alloc(cli, &size, &align, domain, tile_mode,
tile_flags);
if (IS_ERR(nvbo))
return PTR_ERR(nvbo);
- ret = nouveau_bo_init(nvbo, size, align, flags, sg, robj);
+ ret = nouveau_bo_init(nvbo, size, align, domain, sg, robj);
if (ret)
return ret;
@@ -339,27 +343,49 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
}
static void
-set_placement_list(struct ttm_place *pl, unsigned *n, uint32_t type, uint32_t flags)
+set_placement_list(struct nouveau_drm *drm, struct ttm_place *pl, unsigned *n,
+ uint32_t domain, uint32_t flags)
{
*n = 0;
- if (type & TTM_PL_FLAG_VRAM)
- pl[(*n)++].flags = TTM_PL_FLAG_VRAM | flags;
- if (type & TTM_PL_FLAG_TT)
- pl[(*n)++].flags = TTM_PL_FLAG_TT | flags;
- if (type & TTM_PL_FLAG_SYSTEM)
- pl[(*n)++].flags = TTM_PL_FLAG_SYSTEM | flags;
+ if (domain & NOUVEAU_GEM_DOMAIN_VRAM) {
+ struct nvif_mmu *mmu = &drm->client.mmu;
+ const u8 type = mmu->type[drm->ttm.type_vram].type;
+
+ pl[*n].mem_type = TTM_PL_VRAM;
+ pl[*n].flags = flags & ~TTM_PL_FLAG_CACHED;
+
+ /* Some BARs do not support being ioremapped WC */
+ if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
+ type & NVIF_MEM_UNCACHED)
+ pl[*n].flags &= ~TTM_PL_FLAG_WC;
+
+ (*n)++;
+ }
+ if (domain & NOUVEAU_GEM_DOMAIN_GART) {
+ pl[*n].mem_type = TTM_PL_TT;
+ pl[*n].flags = flags;
+
+ if (drm->agp.bridge)
+ pl[*n].flags &= ~TTM_PL_FLAG_CACHED;
+
+ (*n)++;
+ }
+ if (domain & NOUVEAU_GEM_DOMAIN_CPU) {
+ pl[*n].mem_type = TTM_PL_SYSTEM;
+ pl[(*n)++].flags = flags;
+ }
}
static void
-set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
+set_placement_range(struct nouveau_bo *nvbo, uint32_t domain)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
u32 vram_pages = drm->client.device.info.ram_size >> PAGE_SHIFT;
unsigned i, fpfn, lpfn;
if (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
- nvbo->mode && (type & TTM_PL_FLAG_VRAM) &&
+ nvbo->mode && (domain & NOUVEAU_GEM_DOMAIN_VRAM) &&
nvbo->bo.mem.num_pages < vram_pages / 4) {
/*
* Make sure that the color and depth buffers are handled
@@ -386,26 +412,28 @@ set_placement_range(struct nouveau_bo *nvbo, uint32_t type)
}
void
-nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t type, uint32_t busy)
+nouveau_bo_placement_set(struct nouveau_bo *nvbo, uint32_t domain,
+ uint32_t busy)
{
+ struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_placement *pl = &nvbo->placement;
uint32_t flags = (nvbo->force_coherent ? TTM_PL_FLAG_UNCACHED :
TTM_PL_MASK_CACHING) |
(nvbo->pin_refcnt ? TTM_PL_FLAG_NO_EVICT : 0);
pl->placement = nvbo->placements;
- set_placement_list(nvbo->placements, &pl->num_placement,
- type, flags);
+ set_placement_list(drm, nvbo->placements, &pl->num_placement,
+ domain, flags);
pl->busy_placement = nvbo->busy_placements;
- set_placement_list(nvbo->busy_placements, &pl->num_busy_placement,
- type | busy, flags);
+ set_placement_list(drm, nvbo->busy_placements, &pl->num_busy_placement,
+ domain | busy, flags);
- set_placement_range(nvbo, type);
+ set_placement_range(nvbo, domain);
}
int
-nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype, bool contig)
+nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t domain, bool contig)
{
struct nouveau_drm *drm = nouveau_bdev(nvbo->bo.bdev);
struct ttm_buffer_object *bo = &nvbo->bo;
@@ -417,7 +445,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype, bool contig)
return ret;
if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
- memtype == TTM_PL_FLAG_VRAM && contig) {
+ domain == NOUVEAU_GEM_DOMAIN_VRAM && contig) {
if (!nvbo->contig) {
nvbo->contig = true;
force = true;
@@ -426,10 +454,22 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype, bool contig)
}
if (nvbo->pin_refcnt) {
- if (!(memtype & (1 << bo->mem.mem_type)) || evict) {
+ bool error = evict;
+
+ switch (bo->mem.mem_type) {
+ case TTM_PL_VRAM:
+ error |= !(domain & NOUVEAU_GEM_DOMAIN_VRAM);
+ break;
+ case TTM_PL_TT:
+ error |= !(domain & NOUVEAU_GEM_DOMAIN_GART);
+ default:
+ break;
+ }
+
+ if (error) {
NV_ERROR(drm, "bo %p pinned elsewhere: "
"0x%08x vs 0x%08x\n", bo,
- 1 << bo->mem.mem_type, memtype);
+ bo->mem.mem_type, domain);
ret = -EBUSY;
}
nvbo->pin_refcnt++;
@@ -437,14 +477,14 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype, bool contig)
}
if (evict) {
- nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_TT, 0);
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
ret = nouveau_bo_validate(nvbo, false, false);
if (ret)
goto out;
}
nvbo->pin_refcnt++;
- nouveau_bo_placement_set(nvbo, memtype, 0);
+ nouveau_bo_placement_set(nvbo, domain, 0);
/* drop pin_refcnt temporarily, so we don't trip the assertion
* in nouveau_bo_move() that makes sure we're not trying to
@@ -490,7 +530,16 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
if (ref)
goto out;
- nouveau_bo_placement_set(nvbo, bo->mem.placement, 0);
+ switch (bo->mem.mem_type) {
+ case TTM_PL_VRAM:
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
+ break;
+ case TTM_PL_TT:
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART, 0);
+ break;
+ default:
+ break;
+ }
ret = nouveau_bo_validate(nvbo, false, false);
if (ret == 0) {
@@ -574,6 +623,26 @@ nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo)
PAGE_SIZE, DMA_FROM_DEVICE);
}
+void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo)
+{
+ struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+
+ mutex_lock(&drm->ttm.io_reserve_mutex);
+ list_move_tail(&nvbo->io_reserve_lru, &drm->ttm.io_reserve_lru);
+ mutex_unlock(&drm->ttm.io_reserve_mutex);
+}
+
+void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo)
+{
+ struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
+ struct nouveau_bo *nvbo = nouveau_bo(bo);
+
+ mutex_lock(&drm->ttm.io_reserve_mutex);
+ list_del_init(&nvbo->io_reserve_lru);
+ mutex_unlock(&drm->ttm.io_reserve_mutex);
+}
+
int
nouveau_bo_validate(struct nouveau_bo *nvbo, bool interruptible,
bool no_wait_gpu)
@@ -647,63 +716,33 @@ nouveau_ttm_tt_create(struct ttm_buffer_object *bo, uint32_t page_flags)
}
static int
-nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
- struct ttm_mem_type_manager *man)
+nouveau_ttm_tt_bind(struct ttm_bo_device *bdev, struct ttm_tt *ttm,
+ struct ttm_resource *reg)
{
+#if IS_ENABLED(CONFIG_AGP)
struct nouveau_drm *drm = nouveau_bdev(bdev);
- struct nvif_mmu *mmu = &drm->client.mmu;
-
- switch (type) {
- case TTM_PL_SYSTEM:
- man->flags = 0;
- man->available_caching = TTM_PL_MASK_CACHING;
- man->default_caching = TTM_PL_FLAG_CACHED;
- break;
- case TTM_PL_VRAM:
- man->flags = TTM_MEMTYPE_FLAG_FIXED;
- man->available_caching = TTM_PL_FLAG_UNCACHED |
- TTM_PL_FLAG_WC;
- man->default_caching = TTM_PL_FLAG_WC;
-
- if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
- /* Some BARs do not support being ioremapped WC */
- const u8 type = mmu->type[drm->ttm.type_vram].type;
- if (type & NVIF_MEM_UNCACHED) {
- man->available_caching = TTM_PL_FLAG_UNCACHED;
- man->default_caching = TTM_PL_FLAG_UNCACHED;
- }
-
- man->func = &nouveau_vram_manager;
- man->use_io_reserve_lru = true;
- } else {
- man->func = &ttm_bo_manager_func;
- }
- break;
- case TTM_PL_TT:
- if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)
- man->func = &nouveau_gart_manager;
- else
- if (!drm->agp.bridge)
- man->func = &nv04_gart_manager;
- else
- man->func = &ttm_bo_manager_func;
+#endif
+ if (!reg)
+ return -EINVAL;
+#if IS_ENABLED(CONFIG_AGP)
+ if (drm->agp.bridge)
+ return ttm_agp_bind(ttm, reg);
+#endif
+ return nouveau_sgdma_bind(bdev, ttm, reg);
+}
- if (drm->agp.bridge) {
- man->flags = 0;
- man->available_caching = TTM_PL_FLAG_UNCACHED |
- TTM_PL_FLAG_WC;
- man->default_caching = TTM_PL_FLAG_WC;
- } else {
- man->flags = 0;
- man->available_caching = TTM_PL_MASK_CACHING;
- man->default_caching = TTM_PL_FLAG_CACHED;
- }
+static void
+nouveau_ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
- break;
- default:
- return -EINVAL;
+ if (drm->agp.bridge) {
+ ttm_agp_unbind(ttm);
+ return;
}
- return 0;
+#endif
+ nouveau_sgdma_unbind(bdev, ttm);
}
static void
@@ -713,11 +752,11 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
- nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_TT,
- TTM_PL_FLAG_SYSTEM);
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART,
+ NOUVEAU_GEM_DOMAIN_CPU);
break;
default:
- nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_SYSTEM, 0);
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_CPU, 0);
break;
}
@@ -726,7 +765,7 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
static int
nouveau_bo_move_prep(struct nouveau_drm *drm, struct ttm_buffer_object *bo,
- struct ttm_mem_reg *reg)
+ struct ttm_resource *reg)
{
struct nouveau_mem *old_mem = nouveau_mem(&bo->mem);
struct nouveau_mem *new_mem = nouveau_mem(reg);
@@ -758,7 +797,7 @@ done:
static int
nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
- bool no_wait_gpu, struct ttm_mem_reg *new_reg)
+ bool no_wait_gpu, struct ttm_resource *new_reg)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_channel *chan = drm->ttm.chan;
@@ -768,7 +807,7 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
/* create temporary vmas for the transfer and attach them to the
* old nvkm_mem node, these will get cleaned up after ttm has
- * destroyed the ttm_mem_reg
+ * destroyed the ttm_resource
*/
if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nouveau_bo_move_prep(drm, bo, new_reg);
@@ -785,7 +824,7 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
if (ret == 0) {
ret = ttm_bo_move_accel_cleanup(bo,
&fence->base,
- evict,
+ evict, false,
new_reg);
nouveau_fence_unref(&fence);
}
@@ -804,7 +843,7 @@ nouveau_bo_move_init(struct nouveau_drm *drm)
s32 oclass;
int (*exec)(struct nouveau_channel *,
struct ttm_buffer_object *,
- struct ttm_mem_reg *, struct ttm_mem_reg *);
+ struct ttm_resource *, struct ttm_resource *);
int (*init)(struct nouveau_channel *, u32 handle);
} _methods[] = {
{ "COPY", 4, 0xc5b5, nve0_bo_move_copy, nve0_bo_move_init },
@@ -865,16 +904,17 @@ nouveau_bo_move_init(struct nouveau_drm *drm)
static int
nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
- bool no_wait_gpu, struct ttm_mem_reg *new_reg)
+ bool no_wait_gpu, struct ttm_resource *new_reg)
{
struct ttm_operation_ctx ctx = { intr, no_wait_gpu };
struct ttm_place placement_memtype = {
.fpfn = 0,
.lpfn = 0,
- .flags = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING
+ .mem_type = TTM_PL_TT,
+ .flags = TTM_PL_MASK_CACHING
};
struct ttm_placement placement;
- struct ttm_mem_reg tmp_reg;
+ struct ttm_resource tmp_reg;
int ret;
placement.num_placement = placement.num_busy_placement = 1;
@@ -886,7 +926,11 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
if (ret)
return ret;
- ret = ttm_tt_bind(bo->ttm, &tmp_reg, &ctx);
+ ret = ttm_tt_populate(bo->bdev, bo->ttm, &ctx);
+ if (ret)
+ goto out;
+
+ ret = nouveau_ttm_tt_bind(bo->bdev, bo->ttm, &tmp_reg);
if (ret)
goto out;
@@ -896,22 +940,23 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
ret = ttm_bo_move_ttm(bo, &ctx, new_reg);
out:
- ttm_bo_mem_put(bo, &tmp_reg);
+ ttm_resource_free(bo, &tmp_reg);
return ret;
}
static int
nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
- bool no_wait_gpu, struct ttm_mem_reg *new_reg)
+ bool no_wait_gpu, struct ttm_resource *new_reg)
{
struct ttm_operation_ctx ctx = { intr, no_wait_gpu };
struct ttm_place placement_memtype = {
.fpfn = 0,
.lpfn = 0,
- .flags = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING
+ .mem_type = TTM_PL_TT,
+ .flags = TTM_PL_MASK_CACHING
};
struct ttm_placement placement;
- struct ttm_mem_reg tmp_reg;
+ struct ttm_resource tmp_reg;
int ret;
placement.num_placement = placement.num_busy_placement = 1;
@@ -932,13 +977,13 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
goto out;
out:
- ttm_bo_mem_put(bo, &tmp_reg);
+ ttm_resource_free(bo, &tmp_reg);
return ret;
}
static void
nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict,
- struct ttm_mem_reg *new_reg)
+ struct ttm_resource *new_reg)
{
struct nouveau_mem *mem = new_reg ? nouveau_mem(new_reg) : NULL;
struct nouveau_bo *nvbo = nouveau_bo(bo);
@@ -948,6 +993,8 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict,
if (bo->destroy != nouveau_bo_del_ttm)
return;
+ nouveau_bo_del_io_reserve_lru(bo);
+
if (mem && new_reg->mem_type != TTM_PL_SYSTEM &&
mem->mem.page == nvbo->page) {
list_for_each_entry(vma, &nvbo->vma_list, head) {
@@ -970,7 +1017,7 @@ nouveau_bo_move_ntfy(struct ttm_buffer_object *bo, bool evict,
}
static int
-nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_mem_reg *new_reg,
+nouveau_bo_vm_bind(struct ttm_buffer_object *bo, struct ttm_resource *new_reg,
struct nouveau_drm_tile **new_tile)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
@@ -1006,11 +1053,11 @@ nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
static int
nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
struct ttm_operation_ctx *ctx,
- struct ttm_mem_reg *new_reg)
+ struct ttm_resource *new_reg)
{
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
- struct ttm_mem_reg *old_reg = &bo->mem;
+ struct ttm_resource *old_reg = &bo->mem;
struct nouveau_drm_tile *new_tile = NULL;
int ret = 0;
@@ -1029,9 +1076,7 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict,
/* Fake bo copy. */
if (old_reg->mem_type == TTM_PL_SYSTEM && !bo->ttm) {
- BUG_ON(bo->mem.mm_node != NULL);
- bo->mem = *new_reg;
- new_reg->mm_node = NULL;
+ ttm_bo_move_null(bo, new_reg);
goto out;
}
@@ -1078,38 +1123,60 @@ nouveau_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
filp->private_data);
}
+static void
+nouveau_ttm_io_mem_free_locked(struct nouveau_drm *drm,
+ struct ttm_resource *reg)
+{
+ struct nouveau_mem *mem = nouveau_mem(reg);
+
+ if (drm->client.mem->oclass >= NVIF_CLASS_MEM_NV50) {
+ switch (reg->mem_type) {
+ case TTM_PL_TT:
+ if (mem->kind)
+ nvif_object_unmap_handle(&mem->mem.object);
+ break;
+ case TTM_PL_VRAM:
+ nvif_object_unmap_handle(&mem->mem.object);
+ break;
+ default:
+ break;
+ }
+ }
+}
+
static int
-nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
+nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *reg)
{
struct nouveau_drm *drm = nouveau_bdev(bdev);
struct nvkm_device *device = nvxx_device(&drm->client.device);
struct nouveau_mem *mem = nouveau_mem(reg);
+ int ret;
- reg->bus.addr = NULL;
- reg->bus.offset = 0;
- reg->bus.size = reg->num_pages << PAGE_SHIFT;
- reg->bus.base = 0;
- reg->bus.is_iomem = false;
-
+ mutex_lock(&drm->ttm.io_reserve_mutex);
+retry:
switch (reg->mem_type) {
case TTM_PL_SYSTEM:
/* System memory */
- return 0;
+ ret = 0;
+ goto out;
case TTM_PL_TT:
#if IS_ENABLED(CONFIG_AGP)
if (drm->agp.bridge) {
- reg->bus.offset = reg->start << PAGE_SHIFT;
- reg->bus.base = drm->agp.base;
+ reg->bus.offset = (reg->start << PAGE_SHIFT) +
+ drm->agp.base;
reg->bus.is_iomem = !drm->agp.cma;
}
#endif
- if (drm->client.mem->oclass < NVIF_CLASS_MEM_NV50 || !mem->kind)
+ if (drm->client.mem->oclass < NVIF_CLASS_MEM_NV50 ||
+ !mem->kind) {
/* untiled */
+ ret = 0;
break;
+ }
fallthrough; /* tiled memory */
case TTM_PL_VRAM:
- reg->bus.offset = reg->start << PAGE_SHIFT;
- reg->bus.base = device->func->resource_addr(device, 1);
+ reg->bus.offset = (reg->start << PAGE_SHIFT) +
+ device->func->resource_addr(device, 1);
reg->bus.is_iomem = true;
if (drm->client.mem->oclass >= NVIF_CLASS_MEM_NV50) {
union {
@@ -1118,7 +1185,6 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
} args;
u64 handle, length;
u32 argc = 0;
- int ret;
switch (mem->mem.object.oclass) {
case NVIF_CLASS_MEM_NV50:
@@ -1144,39 +1210,46 @@ nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
&handle, &length);
if (ret != 1) {
if (WARN_ON(ret == 0))
- return -EINVAL;
- return ret;
+ ret = -EINVAL;
+ goto out;
}
- reg->bus.base = 0;
reg->bus.offset = handle;
+ ret = 0;
}
break;
default:
- return -EINVAL;
+ ret = -EINVAL;
}
- return 0;
+
+out:
+ if (ret == -ENOSPC) {
+ struct nouveau_bo *nvbo;
+
+ nvbo = list_first_entry_or_null(&drm->ttm.io_reserve_lru,
+ typeof(*nvbo),
+ io_reserve_lru);
+ if (nvbo) {
+ list_del_init(&nvbo->io_reserve_lru);
+ drm_vma_node_unmap(&nvbo->bo.base.vma_node,
+ bdev->dev_mapping);
+ nouveau_ttm_io_mem_free_locked(drm, &nvbo->bo.mem);
+ goto retry;
+ }
+
+ }
+ mutex_unlock(&drm->ttm.io_reserve_mutex);
+ return ret;
}
static void
-nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *reg)
+nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_resource *reg)
{
struct nouveau_drm *drm = nouveau_bdev(bdev);
- struct nouveau_mem *mem = nouveau_mem(reg);
- if (drm->client.mem->oclass >= NVIF_CLASS_MEM_NV50) {
- switch (reg->mem_type) {
- case TTM_PL_TT:
- if (mem->kind)
- nvif_object_unmap_handle(&mem->mem.object);
- break;
- case TTM_PL_VRAM:
- nvif_object_unmap_handle(&mem->mem.object);
- break;
- default:
- break;
- }
- }
+ mutex_lock(&drm->ttm.io_reserve_mutex);
+ nouveau_ttm_io_mem_free_locked(drm, reg);
+ mutex_unlock(&drm->ttm.io_reserve_mutex);
}
static int
@@ -1197,7 +1270,8 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
return 0;
if (bo->mem.mem_type == TTM_PL_SYSTEM) {
- nouveau_bo_placement_set(nvbo, TTM_PL_TT, 0);
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_GART,
+ 0);
ret = nouveau_bo_validate(nvbo, false, false);
if (ret)
@@ -1221,37 +1295,36 @@ nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
nvbo->busy_placements[i].lpfn = mappable;
}
- nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_VRAM, 0);
+ nouveau_bo_placement_set(nvbo, NOUVEAU_GEM_DOMAIN_VRAM, 0);
return nouveau_bo_validate(nvbo, false, false);
}
static int
-nouveau_ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
+nouveau_ttm_tt_populate(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
struct ttm_dma_tt *ttm_dma = (void *)ttm;
struct nouveau_drm *drm;
struct device *dev;
- unsigned i;
- int r;
bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
- if (ttm->state != tt_unpopulated)
+ if (ttm_tt_is_populated(ttm))
return 0;
if (slave && ttm->sg) {
/* make userspace faulting work */
drm_prime_sg_to_page_addr_arrays(ttm->sg, ttm->pages,
ttm_dma->dma_address, ttm->num_pages);
- ttm->state = tt_unbound;
+ ttm_tt_set_populated(ttm);
return 0;
}
- drm = nouveau_bdev(ttm->bdev);
+ drm = nouveau_bdev(bdev);
dev = drm->dev->dev;
#if IS_ENABLED(CONFIG_AGP)
if (drm->agp.bridge) {
- return ttm_agp_tt_populate(ttm, ctx);
+ return ttm_pool_populate(ttm, ctx);
}
#endif
@@ -1260,51 +1333,27 @@ nouveau_ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
return ttm_dma_populate((void *)ttm, dev, ctx);
}
#endif
-
- r = ttm_pool_populate(ttm, ctx);
- if (r) {
- return r;
- }
-
- for (i = 0; i < ttm->num_pages; i++) {
- dma_addr_t addr;
-
- addr = dma_map_page(dev, ttm->pages[i], 0, PAGE_SIZE,
- DMA_BIDIRECTIONAL);
-
- if (dma_mapping_error(dev, addr)) {
- while (i--) {
- dma_unmap_page(dev, ttm_dma->dma_address[i],
- PAGE_SIZE, DMA_BIDIRECTIONAL);
- ttm_dma->dma_address[i] = 0;
- }
- ttm_pool_unpopulate(ttm);
- return -EFAULT;
- }
-
- ttm_dma->dma_address[i] = addr;
- }
- return 0;
+ return ttm_populate_and_map_pages(dev, ttm_dma, ctx);
}
static void
-nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm)
+nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm)
{
struct ttm_dma_tt *ttm_dma = (void *)ttm;
struct nouveau_drm *drm;
struct device *dev;
- unsigned i;
bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
if (slave)
return;
- drm = nouveau_bdev(ttm->bdev);
+ drm = nouveau_bdev(bdev);
dev = drm->dev->dev;
#if IS_ENABLED(CONFIG_AGP)
if (drm->agp.bridge) {
- ttm_agp_tt_unpopulate(ttm);
+ ttm_pool_unpopulate(ttm);
return;
}
#endif
@@ -1316,14 +1365,23 @@ nouveau_ttm_tt_unpopulate(struct ttm_tt *ttm)
}
#endif
- for (i = 0; i < ttm->num_pages; i++) {
- if (ttm_dma->dma_address[i]) {
- dma_unmap_page(dev, ttm_dma->dma_address[i], PAGE_SIZE,
- DMA_BIDIRECTIONAL);
- }
- }
+ ttm_unmap_and_unpopulate_pages(dev, ttm_dma);
+}
- ttm_pool_unpopulate(ttm);
+static void
+nouveau_ttm_tt_destroy(struct ttm_bo_device *bdev,
+ struct ttm_tt *ttm)
+{
+#if IS_ENABLED(CONFIG_AGP)
+ struct nouveau_drm *drm = nouveau_bdev(bdev);
+ if (drm->agp.bridge) {
+ ttm_agp_unbind(ttm);
+ ttm_tt_destroy_common(bdev, ttm);
+ ttm_agp_destroy(ttm);
+ return;
+ }
+#endif
+ nouveau_sgdma_destroy(bdev, ttm);
}
void
@@ -1341,7 +1399,9 @@ struct ttm_bo_driver nouveau_bo_driver = {
.ttm_tt_create = &nouveau_ttm_tt_create,
.ttm_tt_populate = &nouveau_ttm_tt_populate,
.ttm_tt_unpopulate = &nouveau_ttm_tt_unpopulate,
- .init_mem_type = nouveau_bo_init_mem_type,
+ .ttm_tt_bind = &nouveau_ttm_tt_bind,
+ .ttm_tt_unbind = &nouveau_ttm_tt_unbind,
+ .ttm_tt_destroy = &nouveau_ttm_tt_destroy,
.eviction_valuable = ttm_bo_eviction_valuable,
.evict_flags = nouveau_bo_evict_flags,
.move_notify = nouveau_bo_move_ntfy,