issue unload_ta_cmd to tOS to unload asd driver Change-Id: I697cfc1774205ed6cbe22eb3c16143b603543564 Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index bdc9e7ae4892..0e8907179e07 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -356,6 +356,40 @@ static int psp_asd_load(struct psp_context *psp) return ret; } +static void psp_prep_asd_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd, + uint32_t asd_session_id) +{ + cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA; + cmd->cmd.cmd_unload_ta.session_id = asd_session_id; +} + +static int psp_asd_unload(struct psp_context *psp) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + if (!psp->asd_context.asd_initialized) + return 0; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + psp_prep_asd_unload_cmd_buf(cmd, psp->asd_context.session_id); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, + psp->fence_buf_mc_addr); + if (!ret) + psp->asd_context.asd_initialized = false; + + kfree(cmd); + + return ret; +} + static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd, uint32_t id, uint32_t value) { @@ -1583,6 +1617,8 @@ static int psp_hw_fini(void *handle) psp_hdcp_terminate(psp); } + psp_asd_unload(psp); + psp_ring_destroy(psp, PSP_RING_TYPE__KM); pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL; -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx