diff options
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 154 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 15 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h | 3 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 11 |
4 files changed, 181 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 678ffe2662f8..bc46a429b4dc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -942,6 +942,149 @@ static int psp_hdcp_terminate(struct psp_context *psp) } // HDCP end +// DTM start +static void psp_prep_dtm_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd, + uint64_t dtm_ta_mc, + uint64_t dtm_mc_shared, + uint32_t dtm_ta_size, + uint32_t shared_size) +{ + cmd->cmd_id = GFX_CMD_ID_LOAD_TA; + cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(dtm_ta_mc); + cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(dtm_ta_mc); + cmd->cmd.cmd_load_ta.app_len = dtm_ta_size; + + cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = lower_32_bits(dtm_mc_shared); + cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = upper_32_bits(dtm_mc_shared); + cmd->cmd.cmd_load_ta.cmd_buf_len = shared_size; +} + +static int psp_dtm_init_shared_buf(struct psp_context *psp) +{ + int ret; + + /* + * Allocate 16k memory aligned to 4k from Frame Buffer (local + * physical) for dtm ta <-> Driver + */ + ret = amdgpu_bo_create_kernel(psp->adev, PSP_DTM_SHARED_MEM_SIZE, + PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, + &psp->dtm_context.dtm_shared_bo, + &psp->dtm_context.dtm_shared_mc_addr, + &psp->dtm_context.dtm_shared_buf); + + return ret; +} + +static int psp_dtm_load(struct psp_context *psp) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + /* + * TODO: bypass the loading in sriov for now + */ + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + memset(psp->fw_pri_buf, 0, PSP_1_MEG); + memcpy(psp->fw_pri_buf, psp->ta_dtm_start_addr, psp->ta_dtm_ucode_size); + + psp_prep_dtm_ta_load_cmd_buf(cmd, psp->fw_pri_mc_addr, + psp->dtm_context.dtm_shared_mc_addr, + psp->ta_dtm_ucode_size, + PSP_DTM_SHARED_MEM_SIZE); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + + if (!ret) { + psp->dtm_context.dtm_initialized = 1; + psp->dtm_context.session_id = cmd->resp.session_id; + } + + kfree(cmd); + + return ret; +} + +static int psp_dtm_initialize(struct psp_context *psp) +{ + int ret; + + if (!psp->dtm_context.dtm_initialized) { + ret = psp_dtm_init_shared_buf(psp); + if (ret) + return ret; + } + + ret = psp_dtm_load(psp); + if (ret) + return ret; + + return 0; +} + +static void psp_prep_dtm_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd, + uint32_t ta_cmd_id, + uint32_t dtm_session_id) +{ + cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD; + cmd->cmd.cmd_invoke_cmd.session_id = dtm_session_id; + cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id; + /* Note: cmd_invoke_cmd.buf is not used for now */ +} + +int psp_dtm_invoke(struct psp_context *psp, uint32_t ta_cmd_id) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + /* + * TODO: bypass the loading in sriov for now + */ + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + psp_prep_dtm_ta_invoke_cmd_buf(cmd, ta_cmd_id, + psp->dtm_context.session_id); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, psp->fence_buf_mc_addr); + + kfree(cmd); + + return ret; +} + +static int psp_dtm_terminate(struct psp_context *psp) +{ + int ret; + + if (!psp->dtm_context.dtm_initialized) + return 0; + + ret = psp_hdcp_unload(psp); + if (ret) + return ret; + + psp->dtm_context.dtm_initialized = 0; + + /* free hdcp shared memory */ + amdgpu_bo_free_kernel(&psp->dtm_context.dtm_shared_bo, + &psp->dtm_context.dtm_shared_mc_addr, + &psp->dtm_context.dtm_shared_buf); + + return 0; +} +// DTM end + static int psp_hw_start(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; @@ -1020,6 +1163,11 @@ static int psp_hw_start(struct psp_context *psp) if (ret) dev_err(psp->adev->dev, "HDCP: Failed to initialize HDCP\n"); + + ret = psp_dtm_initialize(psp); + if (ret) + dev_err(psp->adev->dev, + "DTM: Failed to initialize DTM\n"); } return 0; @@ -1387,6 +1535,7 @@ static int psp_hw_fini(void *handle) if (psp->adev->psp.ta_fw) { psp_ras_terminate(psp); + psp_dtm_terminate(psp); psp_hdcp_terminate(psp); } @@ -1435,6 +1584,11 @@ static int psp_suspend(void *handle) DRM_ERROR("Failed to terminate hdcp ta\n"); return ret; } + ret = psp_dtm_terminate(psp); + if (ret) { + DRM_ERROR("Failed to terminate dtm ta\n"); + return ret; + } } ret = psp_ring_stop(psp, PSP_RING_TYPE__KM); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 6788e1601945..7dd9ae7dbbe4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -38,6 +38,7 @@ #define PSP_1_MEG 0x100000 #define PSP_TMR_SIZE 0x400000 #define PSP_HDCP_SHARED_MEM_SIZE 0x4000 +#define PSP_DTM_SHARED_MEM_SIZE 0x4000 #define PSP_SHARED_MEM_SIZE 0x4000 struct psp_context; @@ -152,6 +153,14 @@ struct psp_hdcp_context { void *hdcp_shared_buf; }; +struct psp_dtm_context { + bool dtm_initialized; + uint32_t session_id; + struct amdgpu_bo *dtm_shared_bo; + uint64_t dtm_shared_mc_addr; + void *dtm_shared_buf; +}; + struct psp_context { struct amdgpu_device *adev; @@ -221,9 +230,14 @@ struct psp_context uint32_t ta_hdcp_ucode_size; uint8_t *ta_hdcp_start_addr; + uint32_t ta_dtm_ucode_version; + uint32_t ta_dtm_ucode_size; + uint8_t *ta_dtm_start_addr; + struct psp_xgmi_context xgmi_context; struct psp_ras_context ras; struct psp_hdcp_context hdcp_context; + struct psp_dtm_context dtm_context; struct mutex mutex; }; @@ -296,6 +310,7 @@ int psp_ras_invoke(struct psp_context *psp, uint32_t ta_cmd_id); int psp_ras_enable_features(struct psp_context *psp, union ta_ras_cmd_input *info, bool enable); 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); int psp_rlc_autoload_start(struct psp_context *psp); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h index c2b593ab7495..410587b950f3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h @@ -111,6 +111,9 @@ struct ta_firmware_header_v1_0 { uint32_t ta_hdcp_ucode_version; uint32_t ta_hdcp_offset_bytes; uint32_t ta_hdcp_size_bytes; + uint32_t ta_dtm_ucode_version; + uint32_t ta_dtm_offset_bytes; + uint32_t ta_dtm_size_bytes; }; /* version_major=1, version_minor=0 */ diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c index 85db478fb600..6ee33f368e21 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -102,8 +102,15 @@ static int psp_v10_0_init_microcode(struct psp_context *psp) (uint8_t *)ta_hdr + le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes); - adev->psp.ta_fw_version = - le32_to_cpu(ta_hdr->header.ucode_version); + adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version); + + adev->psp.ta_dtm_ucode_version = + le32_to_cpu(ta_hdr->ta_dtm_ucode_version); + adev->psp.ta_dtm_ucode_size = + le32_to_cpu(ta_hdr->ta_dtm_size_bytes); + adev->psp.ta_dtm_start_addr = + (uint8_t *)adev->psp.ta_hdcp_start_addr + + le32_to_cpu(ta_hdr->ta_dtm_offset_bytes); } return 0; 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