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drm/amdgpu: cleanup SA inti and fini(v2)

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should use bo_create_kernel instead of split to two
function that create and pin the SA bo

issue:
before this patch, there are DMAR read error in host
side when running SRIOV test, the DMAR address dropped
in the range of SA bo.

fix:
after this cleanups of SA init and fini, above DMAR
eror gone.

v2:
keep sa_bo's fini instead of suspend, to keep
reporting error

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2018-01-26 16:57:25 +08:00 committed by Alex Deucher
parent 6f31fe6ec6
commit bffe07b8b9
3 changed files with 11 additions and 59 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
View file

@ -279,11 +279,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev)
return r;
}
r = amdgpu_sa_bo_manager_start(adev, &adev->ring_tmp_bo);
if (r) {
return r;
}
adev->ib_pool_ready = true;
if (amdgpu_debugfs_sa_init(adev)) {
dev_err(adev->dev, "failed to register debugfs file for SA\n");
@ -302,7 +297,6 @@ int amdgpu_ib_pool_init(struct amdgpu_device *adev)
void amdgpu_ib_pool_fini(struct amdgpu_device *adev)
{
if (adev->ib_pool_ready) {
amdgpu_sa_bo_manager_suspend(adev, &adev->ring_tmp_bo);
amdgpu_sa_bo_manager_fini(adev, &adev->ring_tmp_bo);
adev->ib_pool_ready = false;
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
View file

@ -281,8 +281,6 @@ void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager);
int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager);
int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager);
int amdgpu_sa_bo_new(struct amdgpu_sa_manager *sa_manager,
struct amdgpu_sa_bo **sa_bo,
unsigned size, unsigned align);

62
drivers/gpu/drm/amd/amdgpu/amdgpu_sa.c
View file

@ -63,21 +63,27 @@ int amdgpu_sa_bo_manager_init(struct amdgpu_device *adev,
for (i = 0; i < AMDGPU_SA_NUM_FENCE_LISTS; ++i)
INIT_LIST_HEAD(&sa_manager->flist[i]);
r = amdgpu_bo_create(adev, size, align, true, domain,
0, NULL, NULL, &sa_manager->bo);
r = amdgpu_bo_create_kernel(adev, size, align, domain, &sa_manager->bo,
&sa_manager->gpu_addr, &sa_manager->cpu_ptr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate bo for manager\n", r);
return r;
}
memset(sa_manager->cpu_ptr, 0, sa_manager->size);
return r;
}
void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager)
struct amdgpu_sa_manager *sa_manager)
{
struct amdgpu_sa_bo *sa_bo, *tmp;
if (sa_manager->bo == NULL) {
dev_err(adev->dev, "no bo for sa manager\n");
return;
}
if (!list_empty(&sa_manager->olist)) {
sa_manager->hole = &sa_manager->olist,
amdgpu_sa_bo_try_free(sa_manager);
@ -88,57 +94,11 @@ void amdgpu_sa_bo_manager_fini(struct amdgpu_device *adev,
list_for_each_entry_safe(sa_bo, tmp, &sa_manager->olist, olist) {
amdgpu_sa_bo_remove_locked(sa_bo);
}
amdgpu_bo_unref(&sa_manager->bo);
amdgpu_bo_free_kernel(&sa_manager->bo, &sa_manager->gpu_addr, &sa_manager->cpu_ptr);
sa_manager->size = 0;
}
int amdgpu_sa_bo_manager_start(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager)
{
int r;
if (sa_manager->bo == NULL) {
dev_err(adev->dev, "no bo for sa manager\n");
return -EINVAL;
}
/* map the buffer */
r = amdgpu_bo_reserve(sa_manager->bo, false);
if (r) {
dev_err(adev->dev, "(%d) failed to reserve manager bo\n", r);
return r;
}
r = amdgpu_bo_pin(sa_manager->bo, sa_manager->domain, &sa_manager->gpu_addr);
if (r) {
amdgpu_bo_unreserve(sa_manager->bo);
dev_err(adev->dev, "(%d) failed to pin manager bo\n", r);
return r;
}
r = amdgpu_bo_kmap(sa_manager->bo, &sa_manager->cpu_ptr);
memset(sa_manager->cpu_ptr, 0, sa_manager->size);
amdgpu_bo_unreserve(sa_manager->bo);
return r;
}
int amdgpu_sa_bo_manager_suspend(struct amdgpu_device *adev,
struct amdgpu_sa_manager *sa_manager)
{
int r;
if (sa_manager->bo == NULL) {
dev_err(adev->dev, "no bo for sa manager\n");
return -EINVAL;
}
r = amdgpu_bo_reserve(sa_manager->bo, true);
if (!r) {
amdgpu_bo_kunmap(sa_manager->bo);
amdgpu_bo_unpin(sa_manager->bo);
amdgpu_bo_unreserve(sa_manager->bo);
}
return r;
}
static void amdgpu_sa_bo_remove_locked(struct amdgpu_sa_bo *sa_bo)
{
struct amdgpu_sa_manager *sa_manager = sa_bo->manager;