[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 <john.cleme...@amd.com> Sent: Tuesday, August 3, 2021 5:50 PM To: amd-gfx@lists.freedesktop.org Cc: Zhang, Hawking <hawking.zh...@amd.com>; Li, Candice <candice...@amd.com>; Lazar, Lijo <lijo.la...@amd.com>; Chen, Guchun <guchun.c...@amd.com> 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.