drivers/gpu/drm/amd/display/dc/dcn201/dcn201_hubbub.c

/*
* 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
 *
 */
#include "dm_services.h"
#include "dcn20/dcn20_hubbub.h"
#include "dcn201_hubbub.h"
#include "reg_helper.h"

#define REG(reg)\
	hubbub1->regs->reg

#define DC_LOGGER \
	hubbub1->base.ctx->logger

#define CTX \
	hubbub1->base.ctx

#undef FN
#define FN(reg_name, field_name) \
	hubbub1->shifts->field_name, hubbub1->masks->field_name

#define REG(reg)\
	hubbub1->regs->reg

#define CTX \
	hubbub1->base.ctx

#undef FN
#define FN(reg_name, field_name) \
	hubbub1->shifts->field_name, hubbub1->masks->field_name

static bool hubbub201_program_watermarks(
		struct hubbub *hubbub,
		struct dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{
	struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);
	bool wm_pending = false;

	if (hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
		wm_pending = true;

	if (hubbub1_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
		wm_pending = true;

	REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0,
			DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz);
	REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND,
			DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 68);

	hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter);

	return wm_pending;
}

static const struct hubbub_funcs hubbub201_funcs = {
	.update_dchub = hubbub2_update_dchub,
	.init_dchub_sys_ctx = NULL,
	.init_vm_ctx = NULL,
	.dcc_support_swizzle = hubbub2_dcc_support_swizzle,
	.dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
	.get_dcc_compression_cap = hubbub2_get_dcc_compression_cap,
	.wm_read_state = hubbub2_wm_read_state,
	.get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
	.program_watermarks = hubbub201_program_watermarks,
	.hubbub_read_state = hubbub2_read_state,
};

void hubbub201_construct(struct dcn20_hubbub *hubbub,
	struct dc_context *ctx,
	const struct dcn_hubbub_registers *hubbub_regs,
	const struct dcn_hubbub_shift *hubbub_shift,
	const struct dcn_hubbub_mask *hubbub_mask)
{
	hubbub->base.ctx = ctx;

	hubbub->base.funcs = &hubbub201_funcs;

	hubbub->regs = hubbub_regs;
	hubbub->shifts = hubbub_shift;
	hubbub->masks = hubbub_mask;

	hubbub->debug_test_index_pstate = 0xB;
	hubbub->detile_buf_size = 164 * 1024;
}