staticbool get_phy_id(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *aconnector, uint8_t *phy_id)
{ int idx, idx_2; bool found = false;
/* *Assumesecuredisplaystartafterallconnectorsareprobed.Theconnection *configisstaticaswell
*/ if (!dm->secure_display_ctx.phy_mapping_updated) {
DRM_WARN("%s Should update the phy id table before get it's value", __func__); returnfalse;
}
for (idx = 0; idx < dm->secure_display_ctx.phy_id_mapping_cnt; idx++) { if (!dm->secure_display_ctx.phy_id_mapping[idx].assigned) {
DRM_ERROR("phy_id_mapping[%d] should be assigned", idx); returnfalse;
}
if (aconnector->dc_link->link_enc_hw_inst ==
dm->secure_display_ctx.phy_id_mapping[idx].enc_hw_inst) { if (!dm->secure_display_ctx.phy_id_mapping[idx].is_mst) {
found = true; goto out;
} else { /* Could caused by wrongly pass mst root connector */ if (!aconnector->mst_output_port) {
DRM_ERROR("%s Check mst case but connector without a port assigned", __func__); returnfalse;
}
if (aconnector->mst_root &&
aconnector->mst_root->mst_mgr.mst_primary == NULL) {
DRM_WARN("%s pass in a stale mst connector", __func__);
}
if (aconnector->mst_output_port->parent->lct == dm->secure_display_ctx.phy_id_mapping[idx].lct &&
aconnector->mst_output_port->port_num == dm->secure_display_ctx.phy_id_mapping[idx].port_num) { if (aconnector->mst_output_port->parent->lct == 1) {
found = true; goto out;
} elseif (aconnector->mst_output_port->parent->lct > 1) { /* Check RAD */ for (idx_2 = 0; idx_2 < aconnector->mst_output_port->parent->lct - 1; idx_2++) { int shift = (idx_2 % 2) ? 0 : 4; int port_num = (aconnector->mst_output_port->parent->rad[idx_2 / 2] >> shift) & 0xf; int port_num2 = (dm->secure_display_ctx.phy_id_mapping[idx].rad[idx_2 / 2] >> shift) & 0xf;
if (port_num != port_num2) break;
}
if (idx_2 == aconnector->mst_output_port->parent->lct - 1) {
found = true; goto out;
}
} else {
DRM_ERROR("lCT should be >= 1"); returnfalse;
}
}
}
}
}
out: if (found) {
DRM_DEBUG_DRIVER("Associated secure display PHY ID as %d", idx);
*phy_id = idx;
} else {
DRM_WARN("Can't find associated phy ID"); returnfalse;
}
/* Disable secure_display if it was enabled */ if (was_activated && dm->secure_display_ctx.op_mode == LEGACY_MODE) { /* stop ROI update on this crtc */
flush_work(&dm->secure_display_ctx.crtc_ctx[crtc->index].notify_ta_work);
flush_work(&dm->secure_display_ctx.crtc_ctx[crtc->index].forward_roi_work);
aconnector = (struct amdgpu_dm_connector *)stream->dm_stream_context;
/* need lock for multiple crtcs to use the command buffer */
mutex_lock(&psp->securedisplay_context.mutex); /* PSP TA is expected to finish data transmission over I2C within current frame, *eventhereareupto4crtcsrequesttosendinthisframe.
*/ if (dm->secure_display_ctx.support_mul_roi) {
psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC_V2);
for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) { if (crc_cpy[i].crc_ready)
roi_idx |= 1 << i;
}
securedisplay_cmd->securedisplay_in_message.send_roi_crc_v2.roi_idx = roi_idx;
ret = psp_securedisplay_invoke(psp, TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC_V2);
} else {
psp_prep_securedisplay_cmd_buf(psp, &securedisplay_cmd,
TA_SECUREDISPLAY_COMMAND__SEND_ROI_CRC);
if (source < 0) {
DRM_DEBUG_DRIVER("Unknown CRC source %s for CRTC%d\n",
src_name, crtc->index); return -EINVAL;
}
*values_cnt = 3; return0;
}
int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc, struct dm_crtc_state *dm_crtc_state, enum amdgpu_dm_pipe_crc_source source)
{ struct amdgpu_device *adev = drm_to_adev(crtc->dev); struct dc_stream_state *stream_state = dm_crtc_state->stream; bool enable = amdgpu_dm_is_valid_crc_source(source); int ret = 0;
/* Configuration will be deferred to stream enable. */ if (!stream_state) return -EINVAL;
mutex_lock(&adev->dm.dc_lock);
/* For PSR1, check that the panel has exited PSR */ if (stream_state->link->psr_settings.psr_version < DC_PSR_VERSION_SU_1)
amdgpu_dm_psr_wait_disable(stream_state);
/* Enable or disable CRTC CRC generation */ if (dm_is_crc_source_crtc(source) || source == AMDGPU_DM_PIPE_CRC_SOURCE_NONE) { if (!dc_stream_configure_crc(stream_state->ctx->dc,
stream_state, NULL, enable, enable, 0, true)) {
ret = -EINVAL; goto unlock;
}
}
if (!aconn) {
DRM_DEBUG_DRIVER("No amd connector matching CRTC-%d\n", crtc->index);
ret = -EINVAL; goto cleanup;
}
aux = (aconn->mst_output_port) ? &aconn->mst_output_port->aux : &aconn->dm_dp_aux.aux;
if (!aux) {
DRM_DEBUG_DRIVER("No dp aux for amd connector\n");
ret = -EINVAL; goto cleanup;
}
if ((aconn->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) &&
(aconn->base.connector_type != DRM_MODE_CONNECTOR_eDP)) {
DRM_DEBUG_DRIVER("No DP connector available for CRC source\n");
ret = -EINVAL; goto cleanup;
}
}
/* *ReadingtheCRCrequiresthevblankinterrupthandlertobe *enabled.KeepareferenceuntilCRCcapturestops.
*/
enabled = amdgpu_dm_is_valid_crc_source(cur_crc_src); if (!enabled && enable) {
ret = drm_crtc_vblank_get(crtc); if (ret) goto cleanup;
}
#ifdefined(CONFIG_DRM_AMD_SECURE_DISPLAY) /* Reset secure_display when we change crc source from debugfs */
amdgpu_dm_set_crc_window_default(crtc, crtc_state->stream); #endif
if (amdgpu_dm_crtc_configure_crc_source(crtc, crtc_state, source)) {
ret = -EINVAL; goto cleanup;
}
if (!enabled && enable) { if (dm_is_crc_source_dprx(source)) { if (drm_dp_start_crc(aux, crtc)) {
DRM_DEBUG_DRIVER("dp start crc failed\n");
ret = -EINVAL; goto cleanup;
}
}
} elseif (enabled && !enable) {
drm_crtc_vblank_put(crtc); if (dm_is_crc_source_dprx(source)) { if (drm_dp_stop_crc(aux)) {
DRM_DEBUG_DRIVER("dp stop crc failed\n");
ret = -EINVAL; goto cleanup;
}
}
}
/* Early return if CRC capture is not enabled. */ if (!amdgpu_dm_is_valid_crc_source(cur_crc_src) ||
!dm_is_crc_source_crtc(cur_crc_src)) {
spin_unlock_irqrestore(&drm_dev->event_lock, flags1); return;
}
if (!acrtc->dm_irq_params.crc_window_activated) {
spin_unlock_irqrestore(&drm_dev->event_lock, flags1); return;
}
crtc_ctx = &adev->dm.secure_display_ctx.crtc_ctx[acrtc->crtc_id]; if (WARN_ON(crtc_ctx->crtc != crtc)) { /* We have set the crtc when creating secure_display_crtc_context, *don'texpectittobechangedhere.
*/
crtc_ctx->crtc = crtc;
}
if (adev->dm.secure_display_ctx.op_mode == LEGACY_MODE) /* forward task to dmub to update ROI */
forward_roi_change = true; elseif (adev->dm.secure_display_ctx.op_mode == DISPLAY_CRC_MODE) /* update ROI via dm*/
dc_stream_configure_crc(stream_state->ctx->dc, stream_state,
&crc_window, true, true, i, false);
/* Statically skip 1 frame, because we may need to wait below things *beforesendingROItodmub: *1.Wedefertheworkbyusingsystemworkqueue. *2.Wemayneedtowaitfordc_lockbeforeaccessingdmub.
*/
acrtc->dm_irq_params.window_param[i].skip_frame_cnt = 1;
crtc_ctx->crc_info.crc[i].crc_ready = false;
} else { if (!dc_stream_get_crc(stream_state->ctx->dc, stream_state, i,
&crc_r[i], &crc_g[i], &crc_b[i]))
DRM_ERROR("Secure Display: fail to get crc from engine %d\n", i);
if (adev->dm.secure_display_ctx.op_mode == LEGACY_MODE) /* forward task to psp to read ROI/CRC and output via I2C */
notify_ta = true; elseif (adev->dm.secure_display_ctx.op_mode == DISPLAY_CRC_MODE) /* Avoid ROI window get changed, keep overwriting. */
dc_stream_configure_crc(stream_state->ctx->dc, stream_state,
&crc_window, true, true, i, false);
/* crc ready for psp to read out */
crtc_ctx->crc_info.crc[i].crc_ready = true;
}
}
if (forward_roi_change)
schedule_work(&crtc_ctx->forward_roi_work);
if (notify_ta)
schedule_work(&crtc_ctx->notify_ta_work);
spin_lock_irqsave(&crtc_ctx->crc_info.lock, flags1); for (i = 0; i < MAX_CRC_WINDOW_NUM; i++) {
crtc_ctx->crc_info.crc[i].crc_R = crc_r[i];
crtc_ctx->crc_info.crc[i].crc_G = crc_g[i];
crtc_ctx->crc_info.crc[i].crc_B = crc_b[i];
if (!crtc_ctx->roi[i].enable) {
crtc_ctx->crc_info.crc[i].frame_count = 0; continue;
}
if (!crtc_ctx->crc_info.crc[i].crc_ready)
all_crc_ready = false;
if (reset_crc_frame_count[i] || crtc_ctx->crc_info.crc[i].frame_count == UINT_MAX) /* Reset the reference frame count after user update the ROI *oritreachesthemaximumvalue.
*/
crtc_ctx->crc_info.crc[i].frame_count = 0; else
crtc_ctx->crc_info.crc[i].frame_count += 1;
}
spin_unlock_irqrestore(&crtc_ctx->crc_info.lock, flags1);
if (all_crc_ready)
complete_all(&crtc_ctx->crc_info.completion);
}
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