[AMD Official Use Only]
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Candice
> Li
> Sent: Monday, April 18, 2022 11:09 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Li, Candice <Candice.Li@xxxxxxx>; Clements, John
> <John.Clements@xxxxxxx>
> Subject: [PATCH 1/2] drm/amdgpu: Use indirect buffer and save response status
> for TA load/invoke
>
> The upcoming TA debugfs interface needs to use indirect buffer when
> performing TA invoke and check psp response status for TA load and invoke.
>
> Signed-off-by: John Clements <john.clements@xxxxxxx>
> Signed-off-by: Candice Li <candice.li@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 60 +++++++++++++++++++------
> drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 26 +++++++++++
> 2 files changed, 72 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> index a6acec1a6155d0..cb7e081b1ef426 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
> @@ -46,8 +46,6 @@ static int psp_sysfs_init(struct amdgpu_device *adev);
> static void psp_sysfs_fini(struct amdgpu_device *adev);
>
> static int psp_load_smu_fw(struct psp_context *psp); -static int
> psp_ta_unload(struct psp_context *psp, struct ta_context *context); -static int
> psp_ta_load(struct psp_context *psp, struct ta_context *context); static int
> psp_rap_terminate(struct psp_context *psp); static int
> psp_securedisplay_terminate(struct psp_context *psp);
>
> @@ -862,7 +860,7 @@ static void psp_prep_ta_unload_cmd_buf(struct
> psp_gfx_cmd_resp *cmd,
> cmd->cmd.cmd_unload_ta.session_id = session_id; }
>
> -static int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
> +int psp_ta_unload(struct psp_context *psp, struct ta_context *context)
> {
> int ret;
> struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp); @@ -
> 944,7 +942,7 @@ static void psp_prep_ta_load_cmd_buf(struct
> psp_gfx_cmd_resp *cmd,
> cmd->cmd.cmd_load_ta.cmd_buf_len = context-
> >mem_context.shared_mem_size;
> }
>
> -static int psp_ta_init_shared_buf(struct psp_context *psp,
> +int psp_ta_init_shared_buf(struct psp_context *psp,
> struct ta_mem_context *mem_ctx)
> {
> /*
> @@ -958,7 +956,7 @@ static int psp_ta_init_shared_buf(struct psp_context
> *psp,
> &mem_ctx->shared_buf);
> }
>
> -static void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
> +void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx)
> {
> amdgpu_bo_free_kernel(&mem_ctx->shared_bo, &mem_ctx-
> >shared_mc_addr,
> &mem_ctx->shared_buf);
> @@ -969,6 +967,42 @@ static int psp_xgmi_init_shared_buf(struct psp_context
> *psp)
> return psp_ta_init_shared_buf(psp, &psp-
> >xgmi_context.context.mem_context);
> }
>
> +static void psp_prep_ta_invoke_indirect_cmd_buf(struct psp_gfx_cmd_resp
> *cmd,
> + uint32_t ta_cmd_id,
> + struct ta_context *context)
> +{
> + cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
> + cmd->cmd.cmd_invoke_cmd.session_id = context->session_id;
> + cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
> +
> + cmd->cmd.cmd_invoke_cmd.buf.num_desc = 1;
> + cmd->cmd.cmd_invoke_cmd.buf.total_size = context-
> >mem_context.shared_mem_size;
> + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_size = context-
> >mem_context.shared_mem_size;
> + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_lo =
> + lower_32_bits(context-
> >mem_context.shared_mc_addr);
> + cmd->cmd.cmd_invoke_cmd.buf.buf_desc[0].buf_phy_addr_hi =
> + upper_32_bits(context-
> >mem_context.shared_mc_addr);
> +}
> +
> +int psp_ta_invoke_indirect(struct psp_context *psp,
> + uint32_t ta_cmd_id,
> + struct ta_context *context)
> +{
> + int ret;
> + struct psp_gfx_cmd_resp *cmd = acquire_psp_cmd_buf(psp);
> +
> + psp_prep_ta_invoke_indirect_cmd_buf(cmd, ta_cmd_id, context);
> +
> + ret = psp_cmd_submit_buf(psp, NULL, cmd,
> + psp->fence_buf_mc_addr);
> +
> + context->resp_status = cmd->resp.status;
> +
> + release_psp_cmd_buf(psp);
> +
> + return ret;
> +}
> +
> static void psp_prep_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
> uint32_t ta_cmd_id,
> uint32_t session_id)
> @@ -978,7 +1012,7 @@ static void psp_prep_ta_invoke_cmd_buf(struct
> psp_gfx_cmd_resp *cmd,
> cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
> }
>
> -static int psp_ta_invoke(struct psp_context *psp,
> +int psp_ta_invoke(struct psp_context *psp,
> uint32_t ta_cmd_id,
> struct ta_context *context)
> {
> @@ -990,12 +1024,14 @@ static int psp_ta_invoke(struct psp_context *psp,
> ret = psp_cmd_submit_buf(psp, NULL, cmd,
> psp->fence_buf_mc_addr);
>
> + context->resp_status = cmd->resp.status;
> +
> release_psp_cmd_buf(psp);
>
> return ret;
> }
>
> -static int psp_ta_load(struct psp_context *psp, struct ta_context *context)
> +int psp_ta_load(struct psp_context *psp, struct ta_context *context)
> {
> int ret;
> struct psp_gfx_cmd_resp *cmd;
> @@ -1010,6 +1046,8 @@ static int psp_ta_load(struct psp_context *psp, struct
> ta_context *context)
> ret = psp_cmd_submit_buf(psp, NULL, cmd,
> psp->fence_buf_mc_addr);
>
> + context->resp_status = cmd->resp.status;
> +
> if (!ret) {
> context->session_id = cmd->resp.session_id;
> }
> @@ -1415,16 +1453,10 @@ int psp_ras_enable_features(struct psp_context
> *psp,
> return 0;
> }
>
> -static int psp_ras_terminate(struct psp_context *psp)
> +int psp_ras_terminate(struct psp_context *psp)
> {
> int ret;
>
> - /*
> - * TODO: bypass the terminate in sriov for now
> - */
> - if (amdgpu_sriov_vf(psp->adev))
> - return 0;
> -
[Tao] it seems the change is unrelated to the patch.
> if (!psp->ras_context.context.initialized)
> return 0;
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> index ff7d533eb746ce..cf8d3199b35bf0 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
> @@ -48,6 +48,17 @@ enum psp_shared_mem_size {
> PSP_SECUREDISPLAY_SHARED_MEM_SIZE = 0x4000,
> };
>
> +enum ta_type_id {
> + TA_TYPE_XGMI = 1,
> + TA_TYPE_RAS,
> + TA_TYPE_HDCP,
> + TA_TYPE_DTM,
> + TA_TYPE_RAP,
> + TA_TYPE_SECUREDISPLAY,
> +
> + TA_TYPE_MAX_INDEX,
> +};
> +
> struct psp_context;
> struct psp_xgmi_node_info;
> struct psp_xgmi_topology_info;
> @@ -151,9 +162,11 @@ struct ta_mem_context { struct ta_context {
> bool initialized;
> uint32_t session_id;
> + uint32_t resp_status;
> struct ta_mem_context mem_context;
> struct psp_bin_desc bin_desc;
> enum psp_gfx_cmd_id ta_load_type;
> + enum ta_type_id ta_type;
> };
>
> struct ta_cp_context {
> @@ -407,6 +420,18 @@ int psp_gpu_reset(struct amdgpu_device *adev); int
> psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
> uint64_t cmd_gpu_addr, int cmd_size);
>
> +int psp_ta_init_shared_buf(struct psp_context *psp,
> + struct ta_mem_context *mem_ctx);
> +void psp_ta_free_shared_buf(struct ta_mem_context *mem_ctx); int
> +psp_ta_unload(struct psp_context *psp, struct ta_context *context); int
> +psp_ta_load(struct psp_context *psp, struct ta_context *context); int
> +psp_ta_invoke(struct psp_context *psp,
> + uint32_t ta_cmd_id,
> + struct ta_context *context);
> +int psp_ta_invoke_indirect(struct psp_context *psp,
> + uint32_t ta_cmd_id,
> + struct ta_context *context);
> +
> int psp_xgmi_initialize(struct psp_context *psp, bool set_extended_data, bool
> load_ta); int psp_xgmi_terminate(struct psp_context *psp); int
> psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id); @@ -425,6
> +450,7 @@ int psp_ras_enable_features(struct psp_context *psp,
> union ta_ras_cmd_input *info, bool enable); int
> psp_ras_trigger_error(struct psp_context *psp,
> struct ta_ras_trigger_error_input *info);
> +int psp_ras_terminate(struct psp_context *psp);
>
> int psp_hdcp_invoke(struct psp_context *psp, uint32_t ta_cmd_id); int
> psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id);
> --
> 2.17.1
