Am 2022-03-08 um 14:11 schrieb David Yat Sin:
Export dmabuf handles for GTT BOs so that their contents can be accessed using SDMA during checkpoint/restore.
This deserves a minor version bump. The plugin should depend on that bumped version when it starts using dmabuf handles for GTT BOs.
Regards, Felix
Signed-off-by: David Yat Sin david.yatsin@amd.com
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 2c7d76e67ddb..e1e2362841f8 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1759,7 +1759,8 @@ static int criu_checkpoint_bos(struct kfd_process *p, goto exit; } }
if (bo_bucket->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
if (bo_bucket->alloc_flags& (KFD_IOC_ALLOC_MEM_FLAGS_VRAM | KFD_IOC_ALLOC_MEM_FLAGS_GTT)) { ret = criu_get_prime_handle(&dumper_bo->tbo.base, bo_bucket->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE ? DRM_RDWR : 0,@@ -1812,7 +1813,8 @@ static int criu_checkpoint_bos(struct kfd_process *p,
exit: while (ret && bo_index--) {
if (bo_buckets[bo_index].alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM)
if (bo_buckets[bo_index].alloc_flags& (KFD_IOC_ALLOC_MEM_FLAGS_VRAM | KFD_IOC_ALLOC_MEM_FLAGS_GTT)) close_fd(bo_buckets[bo_index].dmabuf_fd);@@ -2211,7 +2213,8 @@ static int criu_restore_bo(struct kfd_process *p,
pr_debug("map memory was successful for the BO\n"); /* create the dmabuf object and export the bo */
- if (bo_bucket->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
- if (bo_bucket->alloc_flags
& (KFD_IOC_ALLOC_MEM_FLAGS_VRAM | KFD_IOC_ALLOC_MEM_FLAGS_GTT)) {@@ -2281,7 +2284,8 @@ static int criu_restore_bos(struct kfd_process *p,
exit: while (ret && i--) {
if (bo_buckets[i].alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM)
if (bo_buckets[i].alloc_flags& (KFD_IOC_ALLOC_MEM_FLAGS_VRAM | KFD_IOC_ALLOC_MEM_FLAGS_GTT)) close_fd(bo_buckets[i].dmabuf_fd);