/* * Copyright 2018 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD *
*/
int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config)
{ int num_vmids = 0;
/* Call HWSS to setup HUBBUB for address config */ if (dc->hwss.init_sys_ctx) {
num_vmids = dc->hwss.init_sys_ctx(dc->hwseq, dc, pa_config);
/* Pre-init system aperture start/end for all HUBP instances (if not gating?) * or cache system aperture if using power gating
*/
memcpy(&dc->vm_pa_config, pa_config, sizeof(struct dc_phy_addr_space_config));
dc->vm_pa_config.valid = true;
dc->dml2_options.gpuvm_enable = true;
dc_z10_save_init(dc);
}
return num_vmids;
}
void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid)
{
dc->hwss.init_vm_ctx(dc->hwseq, dc, va_config, vmid);
}
int dc_get_vmid_use_vector(struct dc *dc)
{ int i; int in_use = 0;
for (i = 0; i < MAX_HUBP; i++)
in_use |= dc->vm_helper->hubp_vmid_usage[i].vmid_usage[0]
| dc->vm_helper->hubp_vmid_usage[i].vmid_usage[1]; return in_use;
}
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