From fe96e5636acf4243834bc1686f6ee8264b7a68dd Mon Sep 17 00:00:00 2001 From: Candice Li Date: Sun, 17 Apr 2022 17:39:46 +0800 Subject: [PATCH] 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 Signed-off-by: Candice Li Reviewed-by: Tao Zhou Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 54 ++++++++++++++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 26 ++++++++++++++++ 2 files changed, 72 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index a6acec1..f6527aa 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; } @@ -1415,7 +1453,7 @@ 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; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index ff7d533..cf8d319 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); -- 2.7.4