diff options
| author | YiPeng Chai <YiPeng.Chai@amd.com> | 2024-04-12 13:46:03 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-07-16 11:44:30 -0400 |
| commit | b3fb79cda5688a44a423c27b791f5456d801e49c (patch) | |
| tree | 5ed05d47902fd492df8a37d7806e8ae67ca60d93 /drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | |
| parent | 0e2c796b49735ee141fbff355b9d02e0189c3c65 (diff) | |
drm/amdgpu: add mutex to protect ras shared memory
Add mutex to protect ras shared memory.
v2:
Add TA_RAS_COMMAND__TRIGGER_ERROR command call
status check.
Signed-off-by: YiPeng Chai <YiPeng.Chai@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c index 8e8afbd237bc..0c856005df6b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp_ta.c @@ -348,6 +348,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, size context->session_id = ta_id; + mutex_lock(&psp->ras_context.mutex); ret = prep_ta_mem_context(&context->mem_context, shared_buf, shared_buf_len); if (ret) goto err_free_shared_buf; @@ -366,6 +367,7 @@ static ssize_t ta_if_invoke_debugfs_write(struct file *fp, const char *buf, size ret = -EFAULT; err_free_shared_buf: + mutex_unlock(&psp->ras_context.mutex); kfree(shared_buf); return ret; |