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| author |   Alexey Skidanov <Alexey.Skidanov@amd.com> | 2014-11-18 13:56:23 +0200 |
|---|---|---|
| committer |   Oded Gabbay <oded.gabbay@amd.com> | 2014-11-18 13:56:23 +0200 |
| commit | dd59239a9862a42e4b8d47e4aaa8d595d08c29ab (patch) | |
| tree | 094241804abad7eee48ac6d68c03da4903add690 /drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | |
| parent | amdkfd: Display MEC fw version in topology node (diff) | |
| download | linux-dev-dd59239a9862a42e4b8d47e4aaa8d595d08c29ab.tar.xz linux-dev-dd59239a9862a42e4b8d47e4aaa8d595d08c29ab.zip | |
amdkfd: init aperture once per process
Since the user space may call open() more that once from the same process,
the aperture initialization should be moved from kfd_open()
Signed-off-by: Alexey Skidanov <Alexey.Skidanov@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c index 66df4da01c29..e64aa99e5e41 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_flat_memory.c @@ -299,13 +299,13 @@ int kfd_init_apertures(struct kfd_process *process) struct kfd_dev *dev; struct kfd_process_device *pdd; - mutex_lock(&process->mutex); - /*Iterating over all devices*/ while ((dev = kfd_topology_enum_kfd_devices(id)) != NULL && id < NUM_OF_SUPPORTED_GPUS) { pdd = kfd_get_process_device_data(dev, process, 1); + if (!pdd) + return -1; /* * For 64 bit process aperture will be statically reserved in @@ -348,8 +348,6 @@ int kfd_init_apertures(struct kfd_process *process) id++; } - mutex_unlock(&process->mutex); - return 0; } |