From 4cb54df2b7f058ebc7cd4a3a8cc434e12668a82d Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Thu, 13 Dec 2018 15:21:49 +0800 Subject: [PATCH 0994/2940] drm/amdgpu/psp: Fix to get wrong xgmi session id Driver get session id after loading TA FW and the session id is used by driver instances to communicate with TA. PF and VF have different session id. xGMI session id should get from response buffer, correct it. Signed-off-by: Xiangliang Yu Reviewed-by: Feifei Xu Signed-off-by: Alex Deucher Signed-off-by: Chaudhary Amit Kumar --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index f83c8e28dd2f..96b6ddc5f423 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -153,6 +153,9 @@ psp_cmd_submit_buf(struct psp_context *psp, psp->cmd_buf_mem->resp.status, ucode->ucode_id); } + /* get xGMI session id from response buffer */ + cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id; + if (ucode) { ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo; ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi; -- 2.17.1