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Merge branch 'drm-ttm-unmappable' into drm-core-next 

* drm-ttm-unmappable:
  drm/radeon/kms: enable use of unmappable VRAM V2
  drm/ttm: remove io_ field from TTM V6
  drm/vmwgfx: add support for new TTM fault callback V5
  drm/nouveau/kms: add support for new TTM fault callback V5
  drm/radeon/kms: add support for new fault callback V7
  drm/ttm: ttm_fault callback to allow driver to handle bo placement V6
  drm/ttm: split no_wait argument in 2 GPU or reserve wait

Conflicts:
	drivers/gpu/drm/nouveau/nouveau_bo.c
This commit is contained in:
Dave Airlie 2010-04-20 14:15:09 +10:00
parent a8089e849a 6b8b1786a8
commit 7547a917fa
18 changed files with 397 additions and 269 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

114
drivers/gpu/drm/nouveau/nouveau_bo.c
View File

@ -225,7 +225,7 @@ nouveau_bo_pin(struct nouveau_bo *nvbo, uint32_t memtype)
nouveau_bo_placement_set(nvbo, memtype, 0);
ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
ret = ttm_bo_validate(bo, &nvbo->placement, false, false, false);
if (ret == 0) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
@ -261,7 +261,7 @@ nouveau_bo_unpin(struct nouveau_bo *nvbo)
nouveau_bo_placement_set(nvbo, bo->mem.placement, 0);
ret = ttm_bo_validate(bo, &nvbo->placement, false, false);
ret = ttm_bo_validate(bo, &nvbo->placement, false, false, false);
if (ret == 0) {
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
@ -391,25 +391,16 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
break;
case TTM_PL_VRAM:
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_MAPPABLE |
TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
man->io_addr = NULL;
man->io_offset = drm_get_resource_start(dev, 1);
man->io_size = drm_get_resource_len(dev, 1);
if (man->io_size > dev_priv->vram_size)
man->io_size = dev_priv->vram_size;
man->gpu_offset = dev_priv->vm_vram_base;
break;
case TTM_PL_TT:
switch (dev_priv->gart_info.type) {
case NOUVEAU_GART_AGP:
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
TTM_MEMTYPE_FLAG_NEEDS_IOREMAP;
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED;
man->default_caching = TTM_PL_FLAG_UNCACHED;
break;
@ -424,10 +415,6 @@ nouveau_bo_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
dev_priv->gart_info.type);
return -EINVAL;
}
man->io_offset = dev_priv->gart_info.aper_base;
man->io_size = dev_priv->gart_info.aper_size;
man->io_addr = NULL;
man->gpu_offset = dev_priv->vm_gart_base;
break;
default:
@ -462,7 +449,8 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
static int
nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
struct nouveau_bo *nvbo, bool evict, bool no_wait,
struct nouveau_bo *nvbo, bool evict,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct nouveau_fence *fence = NULL;
@ -473,7 +461,7 @@ nouveau_bo_move_accel_cleanup(struct nouveau_channel *chan,
return ret;
ret = ttm_bo_move_accel_cleanup(&nvbo->bo, fence, NULL,
evict, no_wait, new_mem);
evict, no_wait_reserve, no_wait_gpu, new_mem);
if (nvbo->channel && nvbo->channel != chan)
ret = nouveau_fence_wait(fence, NULL, false, false);
nouveau_fence_unref((void *)&fence);
@ -497,7 +485,8 @@ nouveau_bo_mem_ctxdma(struct nouveau_bo *nvbo, struct nouveau_channel *chan,
static int
nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
int no_wait, struct ttm_mem_reg *new_mem)
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
@ -575,12 +564,13 @@ nouveau_bo_move_m2mf(struct ttm_buffer_object *bo, int evict, bool intr,
dst_offset += (PAGE_SIZE * line_count);
}
return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait, new_mem);
return nouveau_bo_move_accel_cleanup(chan, nvbo, evict, no_wait_reserve, no_wait_gpu, new_mem);
}
static int
nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
bool no_wait, struct ttm_mem_reg *new_mem)
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
struct ttm_placement placement;
@ -593,7 +583,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
tmp_mem = *new_mem;
tmp_mem.mm_node = NULL;
ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait_reserve, no_wait_gpu);
if (ret)
return ret;
@ -601,11 +591,11 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
if (ret)
goto out;
ret = nouveau_bo_move_m2mf(bo, true, intr, no_wait, &tmp_mem);
ret = nouveau_bo_move_m2mf(bo, true, intr, no_wait_reserve, no_wait_gpu, &tmp_mem);
if (ret)
goto out;
ret = ttm_bo_move_ttm(bo, evict, no_wait, new_mem);
ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
out:
if (tmp_mem.mm_node) {
spin_lock(&bo->bdev->glob->lru_lock);
@ -618,7 +608,8 @@ out:
static int
nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
bool no_wait, struct ttm_mem_reg *new_mem)
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
u32 placement_memtype = TTM_PL_FLAG_TT | TTM_PL_MASK_CACHING;
struct ttm_placement placement;
@ -631,15 +622,15 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
tmp_mem = *new_mem;
tmp_mem.mm_node = NULL;
ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait);
ret = ttm_bo_mem_space(bo, &placement, &tmp_mem, intr, no_wait_reserve, no_wait_gpu);
if (ret)
return ret;
ret = ttm_bo_move_ttm(bo, evict, no_wait, &tmp_mem);
ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, &tmp_mem);
if (ret)
goto out;
ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait, new_mem);
ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
if (ret)
goto out;
@ -706,7 +697,8 @@ nouveau_bo_vm_cleanup(struct ttm_buffer_object *bo,
static int
nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
bool no_wait, struct ttm_mem_reg *new_mem)
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct drm_nouveau_private *dev_priv = nouveau_bdev(bo->bdev);
struct nouveau_bo *nvbo = nouveau_bo(bo);
@ -721,7 +713,7 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
/* Software copy if the card isn't up and running yet. */
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DONE ||
!dev_priv->channel) {
ret = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
goto out;
}
@ -735,17 +727,17 @@ nouveau_bo_move(struct ttm_buffer_object *bo, bool evict, bool intr,
/* Hardware assisted copy. */
if (new_mem->mem_type == TTM_PL_SYSTEM)
ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait, new_mem);
ret = nouveau_bo_move_flipd(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
else if (old_mem->mem_type == TTM_PL_SYSTEM)
ret = nouveau_bo_move_flips(bo, evict, intr, no_wait, new_mem);
ret = nouveau_bo_move_flips(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
else
ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait, new_mem);
ret = nouveau_bo_move_m2mf(bo, evict, intr, no_wait_reserve, no_wait_gpu, new_mem);
if (!ret)
goto out;
/* Fallback to software copy. */
ret = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
out:
if (ret)
@ -762,6 +754,55 @@ nouveau_bo_verify_access(struct ttm_buffer_object *bo, struct file *filp)
return 0;
}
static int
nouveau_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct drm_nouveau_private *dev_priv = nouveau_bdev(bdev);
struct drm_device *dev = dev_priv->dev;
mem->bus.addr = NULL;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* System memory */
return 0;
case TTM_PL_TT:
#if __OS_HAS_AGP
if (dev_priv->gart_info.type == NOUVEAU_GART_AGP) {
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
mem->bus.base = dev_priv->gart_info.aper_base;
mem->bus.is_iomem = true;
}
#endif
break;
case TTM_PL_VRAM:
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
mem->bus.base = drm_get_resource_start(dev, 1);
mem->bus.is_iomem = true;
break;
default:
return -EINVAL;
}
return 0;
}
static void
nouveau_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}
static int
nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
{
return 0;
}
struct ttm_bo_driver nouveau_bo_driver = {
.create_ttm_backend_entry = nouveau_bo_create_ttm_backend_entry,
.invalidate_caches = nouveau_bo_invalidate_caches,
@ -774,5 +815,8 @@ struct ttm_bo_driver nouveau_bo_driver = {
.sync_obj_flush = nouveau_fence_flush,
.sync_obj_unref = nouveau_fence_unref,
.sync_obj_ref = nouveau_fence_ref,
.fault_reserve_notify = &nouveau_ttm_fault_reserve_notify,
.io_mem_reserve = &nouveau_ttm_io_mem_reserve,
.io_mem_free = &nouveau_ttm_io_mem_free,
};

2
drivers/gpu/drm/nouveau/nouveau_gem.c
View File

@ -385,7 +385,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
nvbo->channel = chan;
ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement,
false, false);
false, false, false);
nvbo->channel = NULL;
if (unlikely(ret)) {
NV_ERROR(dev, "fail ttm_validate\n");

5
drivers/gpu/drm/radeon/evergreen.c
View File

@ -1266,11 +1266,6 @@ int evergreen_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
rdev->mc.real_vram_size = rdev->mc.aper_size;
}
r600_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);

5
drivers/gpu/drm/radeon/r100.c
View File

@ -2036,11 +2036,6 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
else
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
}
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
rdev->mc.real_vram_size = rdev->mc.aper_size;
}
}
void r100_vga_set_state(struct radeon_device *rdev, bool state)

5
drivers/gpu/drm/radeon/r600.c
View File

@ -730,11 +730,6 @@ int r600_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
rdev->mc.real_vram_size = rdev->mc.aper_size;
}
r600_vram_gtt_location(rdev, &rdev->mc);
if (rdev->flags & RADEON_IS_IGP)

32
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -192,7 +192,7 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
}
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
if (likely(r == 0)) {
bo->pin_count = 1;
if (gpu_addr != NULL)
@ -216,7 +216,7 @@ int radeon_bo_unpin(struct radeon_bo *bo)
return 0;
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
if (unlikely(r != 0))
dev_err(bo->rdev->dev, "%p validate failed for unpin\n", bo);
return r;
@ -331,7 +331,7 @@ int radeon_bo_list_validate(struct list_head *head)
lobj->rdomain);
}
r = ttm_bo_validate(&bo->tbo, &bo->placement,
true, false);
true, false, false);
if (unlikely(r))
return r;
}
@ -499,11 +499,33 @@ void radeon_bo_move_notify(struct ttm_buffer_object *bo,
radeon_bo_check_tiling(rbo, 0, 1);
}
void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
struct radeon_device *rdev;
struct radeon_bo *rbo;
unsigned long offset, size;
int r;
if (!radeon_ttm_bo_is_radeon_bo(bo))
return;
return 0;
rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 0);
rdev = rbo->rdev;
if (bo->mem.mem_type == TTM_PL_VRAM) {
size = bo->mem.num_pages << PAGE_SHIFT;
offset = bo->mem.mm_node->start << PAGE_SHIFT;
if ((offset + size) > rdev->mc.visible_vram_size) {
/* hurrah the memory is not visible ! */
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM);
rbo->placement.lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT;
r = ttm_bo_validate(bo, &rbo->placement, false, true, false);
if (unlikely(r != 0))
return r;
offset = bo->mem.mm_node->start << PAGE_SHIFT;
/* this should not happen */
if ((offset + size) > rdev->mc.visible_vram_size)
return -EINVAL;
}
}
return 0;
}

2
drivers/gpu/drm/radeon/radeon_object.h
View File

@ -168,6 +168,6 @@ extern int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
bool force_drop);
extern void radeon_bo_move_notify(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem);
extern void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
extern int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo);
extern int radeon_bo_get_surface_reg(struct radeon_bo *bo);
#endif

103
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -163,34 +163,21 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
(unsigned)type);
return -EINVAL;
}
man->io_offset = rdev->mc.agp_base;
man->io_size = rdev->mc.gtt_size;
man->io_addr = NULL;
if (!rdev->ddev->agp->cant_use_aperture)
man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->flags = TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
} else
#endif
{
man->io_offset = 0;
man->io_size = 0;
man->io_addr = NULL;
}
#endif
break;
case TTM_PL_VRAM:
/* "On-card" video ram */
man->gpu_offset = rdev->mc.vram_start;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
man->io_addr = NULL;
man->io_offset = rdev->mc.aper_base;
man->io_size = rdev->mc.aper_size;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
@ -245,9 +232,9 @@ static void radeon_move_null(struct ttm_buffer_object *bo,
}
static int radeon_move_blit(struct ttm_buffer_object *bo,
bool evict, int no_wait,
struct ttm_mem_reg *new_mem,
struct ttm_mem_reg *old_mem)
bool evict, int no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem,
struct ttm_mem_reg *old_mem)
{
struct radeon_device *rdev;
uint64_t old_start, new_start;
@ -291,13 +278,14 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence);
/* FIXME: handle copy error */
r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL,
evict, no_wait, new_mem);
evict, no_wait_reserve, no_wait_gpu, new_mem);
radeon_fence_unref(&fence);
return r;
}
static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
bool evict, bool interruptible, bool no_wait,
bool evict, bool interruptible,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
@ -318,7 +306,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
placement.busy_placement = &placements;
placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem,
interruptible, no_wait);
interruptible, no_wait_reserve, no_wait_gpu);
if (unlikely(r)) {
return r;
}
@ -332,11 +320,11 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
if (unlikely(r)) {
goto out_cleanup;
}
r = radeon_move_blit(bo, true, no_wait, &tmp_mem, old_mem);
r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem, old_mem);
if (unlikely(r)) {
goto out_cleanup;
}
r = ttm_bo_move_ttm(bo, true, no_wait, new_mem);
r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, new_mem);
out_cleanup:
if (tmp_mem.mm_node) {
struct ttm_bo_global *glob = rdev->mman.bdev.glob;
@ -350,7 +338,8 @@ out_cleanup:
}
static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
bool evict, bool interruptible, bool no_wait,
bool evict, bool interruptible,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
@ -370,15 +359,15 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
placement.num_busy_placement = 1;
placement.busy_placement = &placements;
placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait);
r = ttm_bo_mem_space(bo, &placement, &tmp_mem, interruptible, no_wait_reserve, no_wait_gpu);
if (unlikely(r)) {
return r;
}
r = ttm_bo_move_ttm(bo, true, no_wait, &tmp_mem);
r = ttm_bo_move_ttm(bo, true, no_wait_reserve, no_wait_gpu, &tmp_mem);
if (unlikely(r)) {
goto out_cleanup;
}
r = radeon_move_blit(bo, true, no_wait, new_mem, old_mem);
r = radeon_move_blit(bo, true, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
if (unlikely(r)) {
goto out_cleanup;
}
@ -395,8 +384,9 @@ out_cleanup:
}
static int radeon_bo_move(struct ttm_buffer_object *bo,
bool evict, bool interruptible, bool no_wait,
struct ttm_mem_reg *new_mem)
bool evict, bool interruptible,
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct radeon_device *rdev;
struct ttm_mem_reg *old_mem = &bo->mem;
@ -423,23 +413,66 @@ static int radeon_bo_move(struct ttm_buffer_object *bo,
if (old_mem->mem_type == TTM_PL_VRAM &&
new_mem->mem_type == TTM_PL_SYSTEM) {
r = radeon_move_vram_ram(bo, evict, interruptible,
no_wait, new_mem);
no_wait_reserve, no_wait_gpu, new_mem);
} else if (old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_VRAM) {
r = radeon_move_ram_vram(bo, evict, interruptible,
no_wait, new_mem);
no_wait_reserve, no_wait_gpu, new_mem);
} else {
r = radeon_move_blit(bo, evict, no_wait, new_mem, old_mem);
r = radeon_move_blit(bo, evict, no_wait_reserve, no_wait_gpu, new_mem, old_mem);
}
if (r) {
memcpy:
r = ttm_bo_move_memcpy(bo, evict, no_wait, new_mem);
r = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, new_mem);
}
return r;
}
static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct radeon_device *rdev = radeon_get_rdev(bdev);
mem->bus.addr = NULL;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
mem->bus.is_iomem = false;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* system memory */
return 0;
case TTM_PL_TT:
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
/* RADEON_IS_AGP is set only if AGP is active */
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
mem->bus.base = rdev->mc.agp_base;
mem->bus.is_iomem = true;
}
#endif
break;
case TTM_PL_VRAM:
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
/* check if it's visible */
if ((mem->bus.offset + mem->bus.size) > rdev->mc.visible_vram_size)
return -EINVAL;
mem->bus.base = rdev->mc.aper_base;
mem->bus.is_iomem = true;
break;
default:
return -EINVAL;
}
return 0;
}
static void radeon_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}
static int radeon_sync_obj_wait(void *sync_obj, void *sync_arg,
bool lazy, bool interruptible)
{
@ -480,6 +513,8 @@ static struct ttm_bo_driver radeon_bo_driver = {
.sync_obj_ref = &radeon_sync_obj_ref,
.move_notify = &radeon_bo_move_notify,
.fault_reserve_notify = &radeon_bo_fault_reserve_notify,
.io_mem_reserve = &radeon_ttm_io_mem_reserve,
.io_mem_free = &radeon_ttm_io_mem_free,
};
int radeon_ttm_init(struct radeon_device *rdev)

5
drivers/gpu/drm/radeon/rv770.c
View File

@ -910,11 +910,6 @@ int rv770_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
rdev->mc.real_vram_size = rdev->mc.aper_size;
}
r600_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);

84
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -79,8 +79,6 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
printk(KERN_ERR TTM_PFX " use_type: %d\n", man->use_type);
printk(KERN_ERR TTM_PFX " flags: 0x%08X\n", man->flags);
printk(KERN_ERR TTM_PFX " gpu_offset: 0x%08lX\n", man->gpu_offset);
printk(KERN_ERR TTM_PFX " io_offset: 0x%08lX\n", man->io_offset);
printk(KERN_ERR TTM_PFX " io_size: %ld\n", man->io_size);
printk(KERN_ERR TTM_PFX " size: %llu\n", man->size);
printk(KERN_ERR TTM_PFX " available_caching: 0x%08X\n",
man->available_caching);
@ -357,7 +355,8 @@ static int ttm_bo_add_ttm(struct ttm_buffer_object *bo, bool zero_alloc)
static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem,
bool evict, bool interruptible, bool no_wait)
bool evict, bool interruptible,
bool no_wait_reserve, bool no_wait_gpu)
{
struct ttm_bo_device *bdev = bo->bdev;
bool old_is_pci = ttm_mem_reg_is_pci(bdev, &bo->mem);
@ -402,12 +401,12 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
if (!(old_man->flags & TTM_MEMTYPE_FLAG_FIXED) &&
!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED))
ret = ttm_bo_move_ttm(bo, evict, no_wait, mem);
ret = ttm_bo_move_ttm(bo, evict, no_wait_reserve, no_wait_gpu, mem);
else if (bdev->driver->move)
ret = bdev->driver->move(bo, evict, interruptible,
no_wait, mem);
no_wait_reserve, no_wait_gpu, mem);
else
ret = ttm_bo_move_memcpy(bo, evict, no_wait, mem);
ret = ttm_bo_move_memcpy(bo, evict, no_wait_reserve, no_wait_gpu, mem);
if (ret)
goto out_err;
@ -606,7 +605,7 @@ void ttm_bo_unref(struct ttm_buffer_object **p_bo)
EXPORT_SYMBOL(ttm_bo_unref);
static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
bool no_wait)
bool no_wait_reserve, bool no_wait_gpu)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_bo_global *glob = bo->glob;
@ -615,7 +614,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
int ret = 0;
spin_lock(&bo->lock);
ret = ttm_bo_wait(bo, false, interruptible, no_wait);
ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
spin_unlock(&bo->lock);
if (unlikely(ret != 0)) {
@ -631,6 +630,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
evict_mem = bo->mem;
evict_mem.mm_node = NULL;
evict_mem.bus.io_reserved = false;
placement.fpfn = 0;
placement.lpfn = 0;
@ -638,7 +638,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
placement.num_busy_placement = 0;
bdev->driver->evict_flags(bo, &placement);
ret = ttm_bo_mem_space(bo, &placement, &evict_mem, interruptible,
no_wait);
no_wait_reserve, no_wait_gpu);
if (ret) {
if (ret != -ERESTARTSYS) {
printk(KERN_ERR TTM_PFX
@ -650,7 +650,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo, bool interruptible,
}
ret = ttm_bo_handle_move_mem(bo, &evict_mem, true, interruptible,
no_wait);
no_wait_reserve, no_wait_gpu);
if (ret) {
if (ret != -ERESTARTSYS)
printk(KERN_ERR TTM_PFX "Buffer eviction failed\n");
@ -670,7 +670,8 @@ out:
static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
uint32_t mem_type,
bool interruptible, bool no_wait)
bool interruptible, bool no_wait_reserve,
bool no_wait_gpu)
{
struct ttm_bo_global *glob = bdev->glob;
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
@ -687,11 +688,11 @@ retry:
bo = list_first_entry(&man->lru, struct ttm_buffer_object, lru);
kref_get(&bo->list_kref);
ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
ret = ttm_bo_reserve_locked(bo, false, no_wait_reserve, false, 0);
if (unlikely(ret == -EBUSY)) {
spin_unlock(&glob->lru_lock);
if (likely(!no_wait))
if (likely(!no_wait_gpu))
ret = ttm_bo_wait_unreserved(bo, interruptible);
kref_put(&bo->list_kref, ttm_bo_release_list);
@ -713,7 +714,7 @@ retry:
while (put_count--)
kref_put(&bo->list_kref, ttm_bo_ref_bug);
ret = ttm_bo_evict(bo, interruptible, no_wait);
ret = ttm_bo_evict(bo, interruptible, no_wait_reserve, no_wait_gpu);
ttm_bo_unreserve(bo);
kref_put(&bo->list_kref, ttm_bo_release_list);
@ -764,7 +765,9 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
uint32_t mem_type,
struct ttm_placement *placement,
struct ttm_mem_reg *mem,
bool interruptible, bool no_wait)
bool interruptible,
bool no_wait_reserve,
bool no_wait_gpu)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_bo_global *glob = bdev->glob;
@ -785,7 +788,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
}
spin_unlock(&glob->lru_lock);
ret = ttm_mem_evict_first(bdev, mem_type, interruptible,
no_wait);
no_wait_reserve, no_wait_gpu);
if (unlikely(ret != 0))
return ret;
} while (1);
@ -855,7 +858,8 @@ static bool ttm_bo_mt_compatible(struct ttm_mem_type_manager *man,
int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
struct ttm_mem_reg *mem,
bool interruptible, bool no_wait)
bool interruptible, bool no_wait_reserve,
bool no_wait_gpu)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_mem_type_manager *man;
@ -952,7 +956,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
}
ret = ttm_bo_mem_force_space(bo, mem_type, placement, mem,
interruptible, no_wait);
interruptible, no_wait_reserve, no_wait_gpu);
if (ret == 0 && mem->mm_node) {
mem->placement = cur_flags;
mem->mm_node->private = bo;
@ -978,7 +982,8 @@ EXPORT_SYMBOL(ttm_bo_wait_cpu);
int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
bool interruptible, bool no_wait)
bool interruptible, bool no_wait_reserve,
bool no_wait_gpu)
{
struct ttm_bo_global *glob = bo->glob;
int ret = 0;
@ -992,20 +997,21 @@ int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
* instead of doing it here.
*/
spin_lock(&bo->lock);
ret = ttm_bo_wait(bo, false, interruptible, no_wait);
ret = ttm_bo_wait(bo, false, interruptible, no_wait_gpu);
spin_unlock(&bo->lock);
if (ret)
return ret;
mem.num_pages = bo->num_pages;
mem.size = mem.num_pages << PAGE_SHIFT;
mem.page_alignment = bo->mem.page_alignment;
mem.bus.io_reserved = false;
/*
* Determine where to move the buffer.
*/
ret = ttm_bo_mem_space(bo, placement, &mem, interruptible, no_wait);
ret = ttm_bo_mem_space(bo, placement, &mem, interruptible, no_wait_reserve, no_wait_gpu);
if (ret)
goto out_unlock;
ret = ttm_bo_handle_move_mem(bo, &mem, false, interruptible, no_wait);
ret = ttm_bo_handle_move_mem(bo, &mem, false, interruptible, no_wait_reserve, no_wait_gpu);
out_unlock:
if (ret && mem.mm_node) {
spin_lock(&glob->lru_lock);
@ -1039,7 +1045,8 @@ static int ttm_bo_mem_compat(struct ttm_placement *placement,
int ttm_bo_validate(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
bool interruptible, bool no_wait)
bool interruptible, bool no_wait_reserve,
bool no_wait_gpu)
{
int ret;
@ -1054,7 +1061,7 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
*/
ret = ttm_bo_mem_compat(placement, &bo->mem);
if (ret < 0) {
ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait);
ret = ttm_bo_move_buffer(bo, placement, interruptible, no_wait_reserve, no_wait_gpu);
if (ret)
return ret;
} else {
@ -1153,6 +1160,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
bo->mem.num_pages = bo->num_pages;
bo->mem.mm_node = NULL;
bo->mem.page_alignment = page_alignment;
bo->mem.bus.io_reserved = false;
bo->buffer_start = buffer_start & PAGE_MASK;
bo->priv_flags = 0;
bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
@ -1175,7 +1183,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
goto out_err;
}
ret = ttm_bo_validate(bo, placement, interruptible, false);
ret = ttm_bo_validate(bo, placement, interruptible, false, false);
if (ret)
goto out_err;
@ -1249,7 +1257,7 @@ static int ttm_bo_force_list_clean(struct ttm_bo_device *bdev,
spin_lock(&glob->lru_lock);
while (!list_empty(&man->lru)) {
spin_unlock(&glob->lru_lock);
ret = ttm_mem_evict_first(bdev, mem_type, false, false);
ret = ttm_mem_evict_first(bdev, mem_type, false, false, false);
if (ret) {
if (allow_errors) {
return ret;
@ -1553,26 +1561,6 @@ bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
return true;
}
int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem,
unsigned long *bus_base,
unsigned long *bus_offset, unsigned long *bus_size)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
*bus_size = 0;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
if (ttm_mem_reg_is_pci(bdev, mem)) {
*bus_offset = mem->mm_node->start << PAGE_SHIFT;
*bus_size = mem->num_pages << PAGE_SHIFT;
*bus_base = man->io_offset;
}
return 0;
}
void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
{
struct ttm_bo_device *bdev = bo->bdev;
@ -1581,8 +1569,8 @@ void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo)
if (!bdev->dev_mapping)
return;
unmap_mapping_range(bdev->dev_mapping, offset, holelen, 1);
ttm_mem_io_free(bdev, &bo->mem);
}
EXPORT_SYMBOL(ttm_bo_unmap_virtual);
@ -1839,7 +1827,7 @@ static int ttm_bo_swapout(struct ttm_mem_shrink *shrink)
evict_mem.mem_type = TTM_PL_SYSTEM;
ret = ttm_bo_handle_move_mem(bo, &evict_mem, true,
false, false);
false, false, false);
if (unlikely(ret != 0))
goto out;
}

122
drivers/gpu/drm/ttm/ttm_bo_util.c
View File

@ -50,7 +50,8 @@ void ttm_bo_free_old_node(struct ttm_buffer_object *bo)
}
int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
bool evict, bool no_wait, struct ttm_mem_reg *new_mem)
bool evict, bool no_wait_reserve,
bool no_wait_gpu, struct ttm_mem_reg *new_mem)
{
struct ttm_tt *ttm = bo->ttm;
struct ttm_mem_reg *old_mem = &bo->mem;
@ -81,30 +82,51 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
}
EXPORT_SYMBOL(ttm_bo_move_ttm);
int ttm_mem_io_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
int ret;
if (!mem->bus.io_reserved) {
mem->bus.io_reserved = true;
ret = bdev->driver->io_mem_reserve(bdev, mem);
if (unlikely(ret != 0))
return ret;
}
return 0;
}
void ttm_mem_io_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
if (bdev->driver->io_mem_reserve) {
if (mem->bus.io_reserved) {
mem->bus.io_reserved = false;
bdev->driver->io_mem_free(bdev, mem);
}
}
}
int ttm_mem_reg_ioremap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
void **virtual)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
unsigned long bus_offset;
unsigned long bus_size;
unsigned long bus_base;
int ret;
void *addr;
*virtual = NULL;
ret = ttm_bo_pci_offset(bdev, mem, &bus_base, &bus_offset, &bus_size);
if (ret || bus_size == 0)
ret = ttm_mem_io_reserve(bdev, mem);
if (ret)
return ret;
if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
addr = (void *)(((u8 *) man->io_addr) + bus_offset);
else {
if (mem->bus.addr) {
addr = mem->bus.addr;
} else {
if (mem->placement & TTM_PL_FLAG_WC)
addr = ioremap_wc(bus_base + bus_offset, bus_size);
addr = ioremap_wc(mem->bus.base + mem->bus.offset, mem->bus.size);
else
addr = ioremap_nocache(bus_base + bus_offset, bus_size);
if (!addr)
addr = ioremap_nocache(mem->bus.base + mem->bus.offset, mem->bus.size);
if (!addr) {
ttm_mem_io_free(bdev, mem);
return -ENOMEM;
}
}
*virtual = addr;
return 0;
@ -117,8 +139,9 @@ void ttm_mem_reg_iounmap(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem,
man = &bdev->man[mem->mem_type];
if (virtual && (man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP))
if (virtual && mem->bus.addr == NULL)
iounmap(virtual);
ttm_mem_io_free(bdev, mem);
}
static int ttm_copy_io_page(void *dst, void *src, unsigned long page)
@ -208,7 +231,8 @@ static int ttm_copy_ttm_io_page(struct ttm_tt *ttm, void *dst,
}
int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
bool evict, bool no_wait, struct ttm_mem_reg *new_mem)
bool evict, bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_mem_type_manager *man = &bdev->man[new_mem->mem_type];
@ -369,26 +393,23 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp)
EXPORT_SYMBOL(ttm_io_prot);
static int ttm_bo_ioremap(struct ttm_buffer_object *bo,
unsigned long bus_base,
unsigned long bus_offset,
unsigned long bus_size,
unsigned long offset,
unsigned long size,
struct ttm_bo_kmap_obj *map)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_mem_reg *mem = &bo->mem;
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
if (!(man->flags & TTM_MEMTYPE_FLAG_NEEDS_IOREMAP)) {
if (bo->mem.bus.addr) {
map->bo_kmap_type = ttm_bo_map_premapped;
map->virtual = (void *)(((u8 *) man->io_addr) + bus_offset);
map->virtual = (void *)(((u8 *)bo->mem.bus.addr) + offset);
} else {
map->bo_kmap_type = ttm_bo_map_iomap;
if (mem->placement & TTM_PL_FLAG_WC)
map->virtual = ioremap_wc(bus_base + bus_offset,
bus_size);
map->virtual = ioremap_wc(bo->mem.bus.base + bo->mem.bus.offset + offset,
size);
else
map->virtual = ioremap_nocache(bus_base + bus_offset,
bus_size);
map->virtual = ioremap_nocache(bo->mem.bus.base + bo->mem.bus.offset + offset,
size);
}
return (!map->virtual) ? -ENOMEM : 0;
}
@ -441,13 +462,12 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
unsigned long start_page, unsigned long num_pages,
struct ttm_bo_kmap_obj *map)
{
unsigned long offset, size;
int ret;
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
BUG_ON(!list_empty(&bo->swap));
map->virtual = NULL;
map->bo = bo;
if (num_pages > bo->num_pages)
return -EINVAL;
if (start_page > bo->num_pages)
@ -456,16 +476,15 @@ int ttm_bo_kmap(struct ttm_buffer_object *bo,
if (num_pages > 1 && !DRM_SUSER(DRM_CURPROC))
return -EPERM;
#endif
ret = ttm_bo_pci_offset(bo->bdev, &bo->mem, &bus_base,
&bus_offset, &bus_size);
ret = ttm_mem_io_reserve(bo->bdev, &bo->mem);
if (ret)
return ret;
if (bus_size == 0) {
if (!bo->mem.bus.is_iomem) {
return ttm_bo_kmap_ttm(bo, start_page, num_pages, map);
} else {
bus_offset += start_page << PAGE_SHIFT;
bus_size = num_pages << PAGE_SHIFT;
return ttm_bo_ioremap(bo, bus_base, bus_offset, bus_size, map);
offset = start_page << PAGE_SHIFT;
size = num_pages << PAGE_SHIFT;
return ttm_bo_ioremap(bo, offset, size, map);
}
}
EXPORT_SYMBOL(ttm_bo_kmap);
@ -477,6 +496,7 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map)
switch (map->bo_kmap_type) {
case ttm_bo_map_iomap:
iounmap(map->virtual);
ttm_mem_io_free(map->bo->bdev, &map->bo->mem);
break;
case ttm_bo_map_vmap:
vunmap(map->virtual);
@ -494,39 +514,11 @@ void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map)
}
EXPORT_SYMBOL(ttm_bo_kunmap);
int ttm_bo_pfn_prot(struct ttm_buffer_object *bo,
unsigned long dst_offset,
unsigned long *pfn, pgprot_t *prot)
{
struct ttm_mem_reg *mem = &bo->mem;
struct ttm_bo_device *bdev = bo->bdev;
unsigned long bus_offset;
unsigned long bus_size;
unsigned long bus_base;
int ret;
ret = ttm_bo_pci_offset(bdev, mem, &bus_base, &bus_offset,
&bus_size);
if (ret)
return -EINVAL;
if (bus_size != 0)
*pfn = (bus_base + bus_offset + dst_offset) >> PAGE_SHIFT;
else
if (!bo->ttm)
return -EINVAL;
else
*pfn = page_to_pfn(ttm_tt_get_page(bo->ttm,
dst_offset >>
PAGE_SHIFT));
*prot = (mem->placement & TTM_PL_FLAG_CACHED) ?
PAGE_KERNEL : ttm_io_prot(mem->placement, PAGE_KERNEL);
return 0;
}
int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
void *sync_obj,
void *sync_obj_arg,
bool evict, bool no_wait,
bool evict, bool no_wait_reserve,
bool no_wait_gpu,
struct ttm_mem_reg *new_mem)
{
struct ttm_bo_device *bdev = bo->bdev;

41
drivers/gpu/drm/ttm/ttm_bo_vm.c
View File

@ -74,9 +74,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
struct ttm_buffer_object *bo = (struct ttm_buffer_object *)
vma->vm_private_data;
struct ttm_bo_device *bdev = bo->bdev;
unsigned long bus_base;
unsigned long bus_offset;
unsigned long bus_size;
unsigned long page_offset;
unsigned long page_last;
unsigned long pfn;
@ -84,7 +81,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
struct page *page;
int ret;
int i;
bool is_iomem;
unsigned long address = (unsigned long)vmf->virtual_address;
int retval = VM_FAULT_NOPAGE;
@ -101,8 +97,21 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
return VM_FAULT_NOPAGE;
}
if (bdev->driver->fault_reserve_notify)
bdev->driver->fault_reserve_notify(bo);
if (bdev->driver->fault_reserve_notify) {
ret = bdev->driver->fault_reserve_notify(bo);
switch (ret) {
case 0:
break;
case -EBUSY:
set_need_resched();
case -ERESTARTSYS:
retval = VM_FAULT_NOPAGE;
goto out_unlock;
default:
retval = VM_FAULT_SIGBUS;
goto out_unlock;
}
}
/*
* Wait for buffer data in transit, due to a pipelined
@ -122,15 +131,12 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
spin_unlock(&bo->lock);
ret = ttm_bo_pci_offset(bdev, &bo->mem, &bus_base, &bus_offset,
&bus_size);
if (unlikely(ret != 0)) {
ret = ttm_mem_io_reserve(bdev, &bo->mem);
if (ret) {
retval = VM_FAULT_SIGBUS;
goto out_unlock;
}
is_iomem = (bus_size != 0);
page_offset = ((address - vma->vm_start) >> PAGE_SHIFT) +
bo->vm_node->start - vma->vm_pgoff;
page_last = ((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) +
@ -154,8 +160,7 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
* vma->vm_page_prot when the object changes caching policy, with
* the correct locks held.
*/
if (is_iomem) {
if (bo->mem.bus.is_iomem) {
vma->vm_page_prot = ttm_io_prot(bo->mem.placement,
vma->vm_page_prot);
} else {
@ -171,10 +176,8 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
*/
for (i = 0; i < TTM_BO_VM_NUM_PREFAULT; ++i) {
if (is_iomem)
pfn = ((bus_base + bus_offset) >> PAGE_SHIFT) +
page_offset;
if (bo->mem.bus.is_iomem)
pfn = ((bo->mem.bus.base + bo->mem.bus.offset) >> PAGE_SHIFT) + page_offset;
else {
page = ttm_tt_get_page(ttm, page_offset);
if (unlikely(!page && i == 0)) {
@ -198,7 +201,6 @@ static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
retval =
(ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
goto out_unlock;
}
address += PAGE_SIZE;
@ -221,8 +223,7 @@ static void ttm_bo_vm_open(struct vm_area_struct *vma)
static void ttm_bo_vm_close(struct vm_area_struct *vma)
{
struct ttm_buffer_object *bo =
(struct ttm_buffer_object *)vma->vm_private_data;
struct ttm_buffer_object *bo = (struct ttm_buffer_object *)vma->vm_private_data;
ttm_bo_unref(&bo);
vma->vm_private_data = NULL;

50
drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
View File

@ -137,9 +137,6 @@ int vmw_invalidate_caches(struct ttm_bo_device *bdev, uint32_t flags)
int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
struct ttm_mem_type_manager *man)
{
struct vmw_private *dev_priv =
container_of(bdev, struct vmw_private, bdev);
switch (type) {
case TTM_PL_SYSTEM:
/* System memory */
@ -151,11 +148,7 @@ int vmw_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
case TTM_PL_VRAM:
/* "On-card" video ram */
man->gpu_offset = 0;
man->io_offset = dev_priv->vram_start;
man->io_size = dev_priv->vram_size;
man->flags = TTM_MEMTYPE_FLAG_FIXED |
TTM_MEMTYPE_FLAG_NEEDS_IOREMAP | TTM_MEMTYPE_FLAG_MAPPABLE;
man->io_addr = NULL;
man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_WC;
break;
@ -193,6 +186,42 @@ static void vmw_swap_notify(struct ttm_buffer_object *bo)
vmw_dmabuf_gmr_unbind(bo);
}
static int vmw_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type];
struct vmw_private *dev_priv = container_of(bdev, struct vmw_private, bdev);
mem->bus.addr = NULL;
mem->bus.is_iomem = false;
mem->bus.offset = 0;
mem->bus.size = mem->num_pages << PAGE_SHIFT;
mem->bus.base = 0;
if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE))
return -EINVAL;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
/* System memory */
return 0;
case TTM_PL_VRAM:
mem->bus.offset = mem->mm_node->start << PAGE_SHIFT;
mem->bus.base = dev_priv->vram_start;
mem->bus.is_iomem = true;
break;
default:
return -EINVAL;
}
return 0;
}
static void vmw_ttm_io_mem_free(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem)
{
}
static int vmw_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
{
return 0;
}
/**
* FIXME: We're using the old vmware polling method to sync.
* Do this with fences instead.
@ -248,5 +277,8 @@ struct ttm_bo_driver vmw_bo_driver = {
.sync_obj_unref = vmw_sync_obj_unref,
.sync_obj_ref = vmw_sync_obj_ref,
.move_notify = vmw_move_notify,
.swap_notify = vmw_swap_notify
.swap_notify = vmw_swap_notify,
.fault_reserve_notify = &vmw_ttm_fault_reserve_notify,
.io_mem_reserve = &vmw_ttm_io_mem_reserve,
.io_mem_free = &vmw_ttm_io_mem_free,
};

4
drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
View File

@ -570,7 +570,7 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
* Put BO in VRAM, only if there is space.
*/
ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false);
ret = ttm_bo_validate(bo, &vmw_vram_sys_placement, true, false, false);
if (unlikely(ret == -ERESTARTSYS))
return ret;
@ -590,7 +590,7 @@ static int vmw_validate_single_buffer(struct vmw_private *dev_priv,
* previous contents.
*/
ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false);
ret = ttm_bo_validate(bo, &vmw_vram_placement, true, false, false);
return ret;
}

4
drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
View File

@ -628,7 +628,7 @@ int vmw_dmabuf_from_vram(struct vmw_private *vmw_priv,
if (unlikely(ret != 0))
return ret;
ret = ttm_bo_validate(bo, &vmw_sys_placement, false, false);
ret = ttm_bo_validate(bo, &vmw_sys_placement, false, false, false);
ttm_bo_unreserve(bo);
return ret;
@ -652,7 +652,7 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
if (unlikely(ret != 0))
goto err_unlock;
ret = ttm_bo_validate(bo, &ne_placement, false, false);
ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
ttm_bo_unreserve(bo);
err_unlock:
ttm_write_unlock(&vmw_priv->active_master->lock);

2
drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
View File

@ -118,7 +118,7 @@ static int vmw_dmabuf_pin_in_vram(struct vmw_private *dev_priv,
if (pin)
overlay_placement = &vmw_vram_ne_placement;
ret = ttm_bo_validate(bo, overlay_placement, interruptible, false);
ret = ttm_bo_validate(bo, overlay_placement, interruptible, false, false);
ttm_bo_unreserve(bo);

29
include/drm/ttm/ttm_bo_api.h
View File

@ -66,6 +66,26 @@ struct ttm_placement {
const uint32_t *busy_placement;
};
/**
* struct ttm_bus_placement
*
* @addr: mapped virtual address
* @base: bus base address
* @is_iomem: is this io memory ?
* @size: size in byte
* @offset: offset from the base address
*
* Structure indicating the bus placement of an object.
*/
struct ttm_bus_placement {
void *addr;
unsigned long base;
unsigned long size;
unsigned long offset;
bool is_iomem;
bool io_reserved;
};
/**
* struct ttm_mem_reg
@ -75,6 +95,7 @@ struct ttm_placement {
* @num_pages: Actual size of memory region in pages.
* @page_alignment: Page alignment.
* @placement: Placement flags.
* @bus: Placement on io bus accessible to the CPU
*
* Structure indicating the placement and space resources used by a
* buffer object.
@ -87,6 +108,7 @@ struct ttm_mem_reg {
uint32_t page_alignment;
uint32_t mem_type;
uint32_t placement;
struct ttm_bus_placement bus;
};
/**
@ -274,6 +296,7 @@ struct ttm_bo_kmap_obj {
ttm_bo_map_kmap = 3,
ttm_bo_map_premapped = 4 | TTM_BO_MAP_IOMEM_MASK,
} bo_kmap_type;
struct ttm_buffer_object *bo;
};
/**
@ -313,7 +336,8 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
* @bo: The buffer object.
* @placement: Proposed placement for the buffer object.
* @interruptible: Sleep interruptible if sleeping.
* @no_wait: Return immediately if the buffer is busy.
* @no_wait_reserve: Return immediately if other buffers are busy.
* @no_wait_gpu: Return immediately if the GPU is busy.
*
* Changes placement and caching policy of the buffer object
* according proposed placement.
@ -325,7 +349,8 @@ extern int ttm_bo_wait(struct ttm_buffer_object *bo, bool lazy,
*/
extern int ttm_bo_validate(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
bool interruptible, bool no_wait);
bool interruptible, bool no_wait_reserve,
bool no_wait_gpu);
/**
* ttm_bo_unref

57
include/drm/ttm/ttm_bo_driver.h
View File

@ -176,8 +176,6 @@ struct ttm_tt {
#define TTM_MEMTYPE_FLAG_FIXED (1 << 0) /* Fixed (on-card) PCI memory */
#define TTM_MEMTYPE_FLAG_MAPPABLE (1 << 1) /* Memory mappable */
#define TTM_MEMTYPE_FLAG_NEEDS_IOREMAP (1 << 2) /* Fixed memory needs ioremap
before kernel access. */
#define TTM_MEMTYPE_FLAG_CMA (1 << 3) /* Can't map aperture */
/**
@ -189,13 +187,6 @@ struct ttm_tt {
* managed by this memory type.
* @gpu_offset: If used, the GPU offset of the first managed page of
* fixed memory or the first managed location in an aperture.
* @io_offset: The io_offset of the first managed page of IO memory or
* the first managed location in an aperture. For TTM_MEMTYPE_FLAG_CMA
* memory, this should be set to NULL.
* @io_size: The size of a managed IO region (fixed memory or aperture).
* @io_addr: Virtual kernel address if the io region is pre-mapped. For
* TTM_MEMTYPE_FLAG_NEEDS_IOREMAP there is no pre-mapped io map and
* @io_addr should be set to NULL.
* @size: Size of the managed region.
* @available_caching: A mask of available caching types, TTM_PL_FLAG_XX,
* as defined in ttm_placement_common.h
@ -221,9 +212,6 @@ struct ttm_mem_type_manager {
bool use_type;
uint32_t flags;
unsigned long gpu_offset;
unsigned long io_offset;
unsigned long io_size;
void *io_addr;
uint64_t size;
uint32_t available_caching;
uint32_t default_caching;
@ -311,7 +299,8 @@ struct ttm_bo_driver {
*/
int (*move) (struct ttm_buffer_object *bo,
bool evict, bool interruptible,
bool no_wait, struct ttm_mem_reg *new_mem);
bool no_wait_reserve, bool no_wait_gpu,
struct ttm_mem_reg *new_mem);
/**
* struct ttm_bo_driver_member verify_access
@ -351,12 +340,21 @@ struct ttm_bo_driver {
struct ttm_mem_reg *new_mem);
/* notify the driver we are taking a fault on this BO
* and have reserved it */
void (*fault_reserve_notify)(struct ttm_buffer_object *bo);
int (*fault_reserve_notify)(struct ttm_buffer_object *bo);
/**
* notify the driver that we're about to swap out this bo
*/
void (*swap_notify) (struct ttm_buffer_object *bo);
/**
* Driver callback on when mapping io memory (for bo_move_memcpy
* for instance). TTM will take care to call io_mem_free whenever
* the mapping is not use anymore. io_mem_reserve & io_mem_free
* are balanced.
*/
int (*io_mem_reserve)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
void (*io_mem_free)(struct ttm_bo_device *bdev, struct ttm_mem_reg *mem);
};
/**
@ -633,7 +631,8 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
* @proposed_placement: Proposed new placement for the buffer object.
* @mem: A struct ttm_mem_reg.
* @interruptible: Sleep interruptible when sliping.
* @no_wait: Don't sleep waiting for space to become available.
* @no_wait_reserve: Return immediately if other buffers are busy.
* @no_wait_gpu: Return immediately if the GPU is busy.
*
* Allocate memory space for the buffer object pointed to by @bo, using
* the placement flags in @mem, potentially evicting other idle buffer objects.
@ -647,7 +646,8 @@ extern bool ttm_mem_reg_is_pci(struct ttm_bo_device *bdev,
extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_placement *placement,
struct ttm_mem_reg *mem,
bool interruptible, bool no_wait);
bool interruptible,
bool no_wait_reserve, bool no_wait_gpu);
/**
* ttm_bo_wait_for_cpu
*
@ -682,6 +682,11 @@ extern int ttm_bo_pci_offset(struct ttm_bo_device *bdev,
unsigned long *bus_offset,
unsigned long *bus_size);
extern int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem);
extern void ttm_mem_io_free(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem);
extern void ttm_bo_global_release(struct ttm_global_reference *ref);
extern int ttm_bo_global_init(struct ttm_global_reference *ref);
@ -826,7 +831,8 @@ extern void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo);
*
* @bo: A pointer to a struct ttm_buffer_object.
* @evict: 1: This is an eviction. Don't try to pipeline.
* @no_wait: Never sleep, but rather return with -EBUSY.
* @no_wait_reserve: Return immediately if other buffers are busy.
* @no_wait_gpu: Return immediately if the GPU is busy.
* @new_mem: struct ttm_mem_reg indicating where to move.
*
* Optimized move function for a buffer object with both old and
@ -840,15 +846,16 @@ extern void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo);
*/
extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
bool evict, bool no_wait,
struct ttm_mem_reg *new_mem);
bool evict, bool no_wait_reserve,
bool no_wait_gpu, struct ttm_mem_reg *new_mem);
/**
* ttm_bo_move_memcpy
*
* @bo: A pointer to a struct ttm_buffer_object.
* @evict: 1: This is an eviction. Don't try to pipeline.
* @no_wait: Never sleep, but rather return with -EBUSY.
* @no_wait_reserve: Return immediately if other buffers are busy.
* @no_wait_gpu: Return immediately if the GPU is busy.
* @new_mem: struct ttm_mem_reg indicating where to move.
*
* Fallback move function for a mappable buffer object in mappable memory.
@ -862,8 +869,8 @@ extern int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
*/
extern int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
bool evict,
bool no_wait, struct ttm_mem_reg *new_mem);
bool evict, bool no_wait_reserve,
bool no_wait_gpu, struct ttm_mem_reg *new_mem);
/**
* ttm_bo_free_old_node
@ -882,7 +889,8 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
* @sync_obj_arg: An argument to pass to the sync object idle / wait
* functions.
* @evict: This is an evict move. Don't return until the buffer is idle.
* @no_wait: Never sleep, but rather return with -EBUSY.
* @no_wait_reserve: Return immediately if other buffers are busy.
* @no_wait_gpu: Return immediately if the GPU is busy.
* @new_mem: struct ttm_mem_reg indicating where to move.
*
* Accelerated move function to be called when an accelerated move
@ -896,7 +904,8 @@ extern void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
void *sync_obj,
void *sync_obj_arg,
bool evict, bool no_wait,
bool evict, bool no_wait_reserve,
bool no_wait_gpu,
struct ttm_mem_reg *new_mem);
/**
* ttm_io_prot