Commit 4604202c authored by Dave Airlie's avatar Dave Airlie
Browse files

Merge branch 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux into drm-next

some amd fixes
* 'drm-next-4.6' of git://people.freedesktop.org/~agd5f/linux:
  drm/radeon/mst: cleanup code indentation
  drm/radeon/mst: fix regression in lane/link handling.
  drm/amdgpu: add invalidate_page callback for userptrs
  drm/amdgpu: Revert "remove the userptr rmn->lock"
  drm/amdgpu: clean up path handling for powerplay
  drm/amd/powerplay: fix memory leak of tdp_table
parents 17efca93 1135035d
......@@ -48,7 +48,8 @@ struct amdgpu_mn {
/* protected by adev->mn_lock */
struct hlist_node node;
/* objects protected by mm->mmap_sem */
/* objects protected by lock */
struct mutex lock;
struct rb_root objects;
};
......@@ -72,7 +73,7 @@ static void amdgpu_mn_destroy(struct work_struct *work)
struct amdgpu_bo *bo, *next_bo;
mutex_lock(&adev->mn_lock);
down_write(&rmn->mm->mmap_sem);
mutex_lock(&rmn->lock);
hash_del(&rmn->node);
rbtree_postorder_for_each_entry_safe(node, next_node, &rmn->objects,
it.rb) {
......@@ -82,7 +83,7 @@ static void amdgpu_mn_destroy(struct work_struct *work)
}
kfree(node);
}
up_write(&rmn->mm->mmap_sem);
mutex_unlock(&rmn->lock);
mutex_unlock(&adev->mn_lock);
mmu_notifier_unregister_no_release(&rmn->mn, rmn->mm);
kfree(rmn);
......@@ -104,6 +105,76 @@ static void amdgpu_mn_release(struct mmu_notifier *mn,
schedule_work(&rmn->work);
}
/**
* amdgpu_mn_invalidate_node - unmap all BOs of a node
*
* @node: the node with the BOs to unmap
*
* We block for all BOs and unmap them by move them
* into system domain again.
*/
static void amdgpu_mn_invalidate_node(struct amdgpu_mn_node *node,
unsigned long start,
unsigned long end)
{
struct amdgpu_bo *bo;
long r;
list_for_each_entry(bo, &node->bos, mn_list) {
if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, start, end))
continue;
r = amdgpu_bo_reserve(bo, true);
if (r) {
DRM_ERROR("(%ld) failed to reserve user bo\n", r);
continue;
}
r = reservation_object_wait_timeout_rcu(bo->tbo.resv,
true, false, MAX_SCHEDULE_TIMEOUT);
if (r <= 0)
DRM_ERROR("(%ld) failed to wait for user bo\n", r);
amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_CPU);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
if (r)
DRM_ERROR("(%ld) failed to validate user bo\n", r);
amdgpu_bo_unreserve(bo);
}
}
/**
* amdgpu_mn_invalidate_page - callback to notify about mm change
*
* @mn: our notifier
* @mn: the mm this callback is about
* @address: address of invalidate page
*
* Invalidation of a single page. Blocks for all BOs mapping it
* and unmap them by move them into system domain again.
*/
static void amdgpu_mn_invalidate_page(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
{
struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
struct interval_tree_node *it;
mutex_lock(&rmn->lock);
it = interval_tree_iter_first(&rmn->objects, address, address);
if (it) {
struct amdgpu_mn_node *node;
node = container_of(it, struct amdgpu_mn_node, it);
amdgpu_mn_invalidate_node(node, address, address);
}
mutex_unlock(&rmn->lock);
}
/**
* amdgpu_mn_invalidate_range_start - callback to notify about mm change
*
......@@ -126,44 +197,24 @@ static void amdgpu_mn_invalidate_range_start(struct mmu_notifier *mn,
/* notification is exclusive, but interval is inclusive */
end -= 1;
mutex_lock(&rmn->lock);
it = interval_tree_iter_first(&rmn->objects, start, end);
while (it) {
struct amdgpu_mn_node *node;
struct amdgpu_bo *bo;
long r;
node = container_of(it, struct amdgpu_mn_node, it);
it = interval_tree_iter_next(it, start, end);
list_for_each_entry(bo, &node->bos, mn_list) {
if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, start,
end))
continue;
r = amdgpu_bo_reserve(bo, true);
if (r) {
DRM_ERROR("(%ld) failed to reserve user bo\n", r);
continue;
}
r = reservation_object_wait_timeout_rcu(bo->tbo.resv,
true, false, MAX_SCHEDULE_TIMEOUT);
if (r <= 0)
DRM_ERROR("(%ld) failed to wait for user bo\n", r);
amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_CPU);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
if (r)
DRM_ERROR("(%ld) failed to validate user bo\n", r);
amdgpu_bo_unreserve(bo);
}
amdgpu_mn_invalidate_node(node, start, end);
}
mutex_unlock(&rmn->lock);
}
static const struct mmu_notifier_ops amdgpu_mn_ops = {
.release = amdgpu_mn_release,
.invalidate_page = amdgpu_mn_invalidate_page,
.invalidate_range_start = amdgpu_mn_invalidate_range_start,
};
......@@ -196,6 +247,7 @@ static struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev)
rmn->adev = adev;
rmn->mm = mm;
rmn->mn.ops = &amdgpu_mn_ops;
mutex_init(&rmn->lock);
rmn->objects = RB_ROOT;
r = __mmu_notifier_register(&rmn->mn, mm);
......@@ -242,7 +294,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
INIT_LIST_HEAD(&bos);
down_write(&rmn->mm->mmap_sem);
mutex_lock(&rmn->lock);
while ((it = interval_tree_iter_first(&rmn->objects, addr, end))) {
kfree(node);
......@@ -256,7 +308,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
if (!node) {
node = kmalloc(sizeof(struct amdgpu_mn_node), GFP_KERNEL);
if (!node) {
up_write(&rmn->mm->mmap_sem);
mutex_unlock(&rmn->lock);
return -ENOMEM;
}
}
......@@ -271,7 +323,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
interval_tree_insert(&node->it, &rmn->objects);
up_write(&rmn->mm->mmap_sem);
mutex_unlock(&rmn->lock);
return 0;
}
......@@ -297,7 +349,7 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
return;
}
down_write(&rmn->mm->mmap_sem);
mutex_lock(&rmn->lock);
/* save the next list entry for later */
head = bo->mn_list.next;
......@@ -312,6 +364,6 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
kfree(node);
}
up_write(&rmn->mm->mmap_sem);
mutex_unlock(&rmn->lock);
mutex_unlock(&adev->mn_lock);
}
subdir-ccflags-y += -Iinclude/drm \
-Idrivers/gpu/drm/amd/powerplay/inc/ \
-Idrivers/gpu/drm/amd/include/asic_reg \
-Idrivers/gpu/drm/amd/include \
-Idrivers/gpu/drm/amd/powerplay/smumgr\
-Idrivers/gpu/drm/amd/powerplay/hwmgr \
-Idrivers/gpu/drm/amd/powerplay/eventmgr
-I$(FULL_AMD_PATH)/powerplay/inc/ \
-I$(FULL_AMD_PATH)/include/asic_reg \
-I$(FULL_AMD_PATH)/include \
-I$(FULL_AMD_PATH)/powerplay/smumgr\
-I$(FULL_AMD_PATH)/powerplay/hwmgr \
-I$(FULL_AMD_PATH)/powerplay/eventmgr
AMD_PP_PATH = ../powerplay
PP_LIBS = smumgr hwmgr eventmgr
AMD_POWERPLAY = $(addsuffix /Makefile,$(addprefix drivers/gpu/drm/amd/powerplay/,$(PP_LIBS)))
AMD_POWERPLAY = $(addsuffix /Makefile,$(addprefix $(FULL_AMD_PATH)/powerplay/,$(PP_LIBS)))
include $(AMD_POWERPLAY)
......
......@@ -512,8 +512,10 @@ static int get_cac_tdp_table(
hwmgr->dyn_state.cac_dtp_table = kzalloc(table_size, GFP_KERNEL);
if (NULL == hwmgr->dyn_state.cac_dtp_table)
if (NULL == hwmgr->dyn_state.cac_dtp_table) {
kfree(tdp_table);
return -ENOMEM;
}
memset(hwmgr->dyn_state.cac_dtp_table, 0x00, table_size);
......
......@@ -510,6 +510,7 @@ static bool radeon_mst_mode_fixup(struct drm_encoder *encoder,
{
struct radeon_encoder_mst *mst_enc;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct radeon_connector_atom_dig *dig_connector;
int bpp = 24;
mst_enc = radeon_encoder->enc_priv;
......@@ -523,22 +524,11 @@ static bool radeon_mst_mode_fixup(struct drm_encoder *encoder,
drm_mode_set_crtcinfo(adjusted_mode, 0);
{
struct radeon_connector_atom_dig *dig_connector;
int ret;
dig_connector = mst_enc->connector->con_priv;
ret = radeon_dp_get_dp_link_config(&mst_enc->connector->base,
dig_connector->dpcd, adjusted_mode->clock,
&dig_connector->dp_lane_count,
&dig_connector->dp_clock);
if (ret) {
dig_connector->dp_lane_count = 0;
dig_connector->dp_clock = 0;
}
DRM_DEBUG_KMS("dig clock %p %d %d\n", dig_connector,
dig_connector->dp_lane_count, dig_connector->dp_clock);
}
dig_connector = mst_enc->connector->con_priv;
dig_connector->dp_lane_count = drm_dp_max_lane_count(dig_connector->dpcd);
dig_connector->dp_clock = drm_dp_max_link_rate(dig_connector->dpcd);
DRM_DEBUG_KMS("dig clock %p %d %d\n", dig_connector,
dig_connector->dp_lane_count, dig_connector->dp_clock);
return true;
}
......
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