[Public] Before calling into psp_cmd_submit_buf, a mutex psp->cmd_buf_mutex is there, and after entering psp_cmd_submit_buf, there is another mutex psp->mutex, is it a bit redundant?
Regards, Guchun From: Clements, John <[email protected]> Sent: Tuesday, August 3, 2021 5:50 PM To: [email protected] Cc: Zhang, Hawking <[email protected]>; Li, Candice <[email protected]>; Lazar, Lijo <[email protected]>; Chen, Guchun <[email protected]> Subject: [PATCH] drm/amdgpu: added synchronization for psp cmd buf access [AMD Official Use Only] Submitting patch to synchronize access to psp cmd submission memory to resolve potential race conditions.
