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drm/amdgpu: unload asd in psp hw de-init phase

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issue unload_ta_cmd to tOS to unload asd driver

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2019-12-02 13:37:42 +08:00 committed by Alex Deucher
parent c64ab8280e
commit 71e5f0cb93
1 changed files with 36 additions and 0 deletions
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36
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
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@ -365,6 +365,40 @@ 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)
{
@ -1602,6 +1636,8 @@ 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;