cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dcn301_hubbub.c (3013B)

      1/*
      2* Copyright 2020 Advanced Micro Devices, Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 *
     22 * Authors: AMD
     23 *
     24 */
     25#include "dm_services.h"
     26#include "dcn301_hubbub.h"
     27#include "reg_helper.h"
     28
     29#define REG(reg)\
     30	hubbub1->regs->reg
     31#define DC_LOGGER \
     32	hubbub1->base.ctx->logger
     33#define CTX \
     34	hubbub1->base.ctx
     35
     36#undef FN
     37#define FN(reg_name, field_name) \
     38	hubbub1->shifts->field_name, hubbub1->masks->field_name
     39
     40#define REG(reg)\
     41	hubbub1->regs->reg
     42
     43#define CTX \
     44	hubbub1->base.ctx
     45
     46#undef FN
     47#define FN(reg_name, field_name) \
     48	hubbub1->shifts->field_name, hubbub1->masks->field_name
     49
     50
     51static const struct hubbub_funcs hubbub301_funcs = {
     52	.update_dchub = hubbub2_update_dchub,
     53	.init_dchub_sys_ctx = hubbub21_init_dchub,
     54	.init_vm_ctx = hubbub2_init_vm_ctx,
     55	.dcc_support_swizzle = hubbub3_dcc_support_swizzle,
     56	.dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
     57	.get_dcc_compression_cap = hubbub3_get_dcc_compression_cap,
     58	.wm_read_state = hubbub21_wm_read_state,
     59	.get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
     60	.program_watermarks = hubbub3_program_watermarks,
     61	.allow_self_refresh_control = hubbub1_allow_self_refresh_control,
     62	.is_allow_self_refresh_enabled = hubbub1_is_allow_self_refresh_enabled,
     63	.verify_allow_pstate_change_high = hubbub1_verify_allow_pstate_change_high,
     64	.force_wm_propagate_to_pipes = hubbub3_force_wm_propagate_to_pipes,
     65	.force_pstate_change_control = hubbub3_force_pstate_change_control,
     66	.hubbub_read_state = hubbub2_read_state,
     67};
     68
     69void hubbub301_construct(struct dcn20_hubbub *hubbub3,
     70	struct dc_context *ctx,
     71	const struct dcn_hubbub_registers *hubbub_regs,
     72	const struct dcn_hubbub_shift *hubbub_shift,
     73	const struct dcn_hubbub_mask *hubbub_mask)
     74{
     75	hubbub3->base.ctx = ctx;
     76	hubbub3->base.funcs = &hubbub301_funcs;
     77	hubbub3->regs = hubbub_regs;
     78	hubbub3->shifts = hubbub_shift;
     79	hubbub3->masks = hubbub_mask;
     80
     81	hubbub3->debug_test_index_pstate = 0xB;
     82	hubbub3->detile_buf_size = 184 * 1024; /* 184KB for DCN3 */
     83}