linux-zen-desktop/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_vpg.c

88 lines
2.5 KiB
C

/*
* Copyright 2019 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 "dc_bios_types.h"
#include "dcn30/dcn30_vpg.h"
#include "dcn31_vpg.h"
#include "reg_helper.h"
#include "dc/dc.h"
#define DC_LOGGER \
vpg31->base.ctx->logger
#define REG(reg)\
(vpg31->regs->reg)
#undef FN
#define FN(reg_name, field_name) \
vpg31->vpg_shift->field_name, vpg31->vpg_mask->field_name
#define CTX \
vpg31->base.ctx
static struct vpg_funcs dcn31_vpg_funcs = {
.update_generic_info_packet = vpg3_update_generic_info_packet,
.vpg_poweron = vpg31_poweron,
.vpg_powerdown = vpg31_powerdown,
};
void vpg31_powerdown(struct vpg *vpg)
{
struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
return;
REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 0, VPG_GSP_LIGHT_SLEEP_FORCE, 1);
}
void vpg31_poweron(struct vpg *vpg)
{
struct dcn31_vpg *vpg31 = DCN31_VPG_FROM_VPG(vpg);
if (vpg->ctx->dc->debug.enable_mem_low_power.bits.vpg == false)
return;
REG_UPDATE_2(VPG_MEM_PWR, VPG_GSP_MEM_LIGHT_SLEEP_DIS, 1, VPG_GSP_LIGHT_SLEEP_FORCE, 0);
}
void vpg31_construct(struct dcn31_vpg *vpg31,
struct dc_context *ctx,
uint32_t inst,
const struct dcn31_vpg_registers *vpg_regs,
const struct dcn31_vpg_shift *vpg_shift,
const struct dcn31_vpg_mask *vpg_mask)
{
vpg31->base.ctx = ctx;
vpg31->base.inst = inst;
vpg31->base.funcs = &dcn31_vpg_funcs;
vpg31->regs = vpg_regs;
vpg31->vpg_shift = vpg_shift;
vpg31->vpg_mask = vpg_mask;
}