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authorDave Airlie <airlied@redhat.com>2010-04-20 14:15:09 +1000
committerDave Airlie <airlied@redhat.com>2010-04-20 14:15:09 +1000
commit7547a917fa5f3b2406f52c7dcf7ec9ad3c8532eb (patch)
tree59b0d0e9b6c251c4df5799b93395454592004d57 /drivers
parenta8089e849a32c5b6bfd6c88dbd09c0ea4a779b71 (diff)
parent6b8b1786a8c29ce6e32298b93ac8d4a18a2b11c4 (diff)
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
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bo.c114
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c2
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c5
-rw-r--r--drivers/gpu/drm/radeon/r100.c5
-rw-r--r--drivers/gpu/drm/radeon/r600.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.c32
-rw-r--r--drivers/gpu/drm/radeon/radeon_object.h2
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c103
-rw-r--r--drivers/gpu/drm/radeon/rv770.c5
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c84
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_util.c122
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_vm.c41
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c50
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_fb.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c2
16 files changed, 337 insertions, 243 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 957d1762984..fb164efada3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -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,
};
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 6d1aa89ec87..69c76cf9340 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -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");
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 3295154e593..b3d168fb89e 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -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);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 9d3b47deecb..9bdccb96499 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -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)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 9b08c5743c8..c325cb12105 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -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)
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 122774742bd..6a8617bac14 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -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;
}
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 7ab43de1e24..353998dc2c0 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -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
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index f06533676e7..af98f45954b 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -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)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index c14f3be25b4..a74683e1861 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -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);
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index dd47b2a9a79..3b5b094b139 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -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;
}
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d764e82e799..a37a94872a1 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -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;
diff --git a/drivers/gpu/drm/ttm/ttm_bo_vm.c b/drivers/gpu/drm/ttm/ttm_bo_vm.c
index 668dbe8b8dd..fe6cb77899f 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_vm.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_vm.c
@@ -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;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 825ebe3d89d..c4f5114aee7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -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,
};
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 0897359b3e4..dbd36b8910c 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -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;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index a93367041cd..80125ffc4e2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -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);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
index 5b6eabeb7f5..ad566c85b07 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c
@@ -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);