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amdgpu: serialize drmPrimeFDToHandle 

Fixes the same problem as "intel: Serialize drmPrimeFDToHandle with struct_mutex".

Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
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Christian König 2015-08-24 11:43:30 +02:00 committed by Alex Deucher
parent f6f25d67a9
commit a5ea0c64c5
1 changed files with 5 additions and 4 deletions
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9
amdgpu/amdgpu_bo.c
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@ -290,6 +290,10 @@ int amdgpu_bo_import(amdgpu_device_handle dev,
int dma_fd;
uint64_t dma_buf_size = 0;
/* We must maintain a list of pairs <handle, bo>, so that we always
* return the same amdgpu_bo instance for the same handle. */
pthread_mutex_lock(&dev->bo_table_mutex);
/* Convert a DMA buf handle to a KMS handle now. */
if (type == amdgpu_bo_handle_type_dma_buf_fd) {
uint32_t handle;
@ -304,6 +308,7 @@ int amdgpu_bo_import(amdgpu_device_handle dev,
/* Query the buffer size. */
size = lseek(shared_handle, 0, SEEK_END);
if (size == (off_t)-1) {
pthread_mutex_unlock(&dev->bo_table_mutex);
amdgpu_close_kms_handle(dev, handle);
return -errno;
}
@ -313,10 +318,6 @@ int amdgpu_bo_import(amdgpu_device_handle dev,
shared_handle = handle;
}
/* We must maintain a list of pairs <handle, bo>, so that we always
* return the same amdgpu_bo instance for the same handle. */
pthread_mutex_lock(&dev->bo_table_mutex);
/* If we have already created a buffer with this handle, find it. */
switch (type) {
case amdgpu_bo_handle_type_gem_flink_name: