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/*
* Copyright 2015 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 "dc.h"
#include "core_types.h"
#include "hw_sequencer.h"
#include "dce100_hw_sequencer.h"
#include "resource.h"
#include "dce110/dce110_hw_sequencer.h"
/* include DCE10 register header files */
#include "dce/dce_10_0_d.h"
#include "dce/dce_10_0_sh_mask.h"
struct dce100_hw_seq_reg_offsets {
uint32_t blnd;
uint32_t crtc;
};
static const struct dce100_hw_seq_reg_offsets reg_offsets[] = {
{
.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
},
{
.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC_GSL_CONTROL),
}
};
#define HW_REG_CRTC(reg, id)\
(reg + reg_offsets[id].crtc)
/*******************************************************************************
* Private definitions
******************************************************************************/
/***************************PIPE_CONTROL***********************************/
static bool dce100_enable_display_power_gating(
struct dc *dc,
uint8_t controller_id,
struct dc_bios *dcb,
enum pipe_gating_control power_gating)
{
enum bp_result bp_result = BP_RESULT_OK;
enum bp_pipe_control_action cntl;
struct dc_context *ctx = dc->ctx;
if (power_gating == PIPE_GATING_CONTROL_INIT)
cntl = ASIC_PIPE_INIT;
else if (power_gating == PIPE_GATING_CONTROL_ENABLE)
cntl = ASIC_PIPE_ENABLE;
else
cntl = ASIC_PIPE_DISABLE;
if (!(power_gating == PIPE_GATING_CONTROL_INIT && controller_id != 0)){
bp_result = dcb->funcs->enable_disp_power_gating(
dcb, controller_id + 1, cntl);
/* Revert MASTER_UPDATE_MODE to 0 because bios sets it 2
* by default when command table is called
*/
dm_write_reg(ctx,
HW_REG_CRTC(mmMASTER_UPDATE_MODE, controller_id),
0);
}
if (bp_result == BP_RESULT_OK)
return true;
else
return false;
}
static void dce100_pplib_apply_display_requirements(
struct dc *dc,
struct dc_state *context)
{
struct dm_pp_display_configuration *pp_display_cfg = &context->pp_display_cfg;
pp_display_cfg->avail_mclk_switch_time_us =
dce110_get_min_vblank_time_us(context);
/*pp_display_cfg->min_memory_clock_khz = context->bw.dce.yclk_khz
/ MEMORY_TYPE_MULTIPLIER;*/
dce110_fill_display_configs(context, pp_display_cfg);
if (memcmp(&dc->prev_display_config, pp_display_cfg, sizeof(
struct dm_pp_display_configuration)) != 0)
dm_pp_apply_display_requirements(dc->ctx, pp_display_cfg);
dc->prev_display_config = *pp_display_cfg;
}
void dce100_set_bandwidth(
struct dc *dc,
struct dc_state *context,
bool decrease_allowed)
{
if (decrease_allowed || context->bw.dce.dispclk_khz > dc->current_state->bw.dce.dispclk_khz) {
dc->res_pool->display_clock->funcs->set_clock(
dc->res_pool->display_clock,
context->bw.dce.dispclk_khz * 115 / 100);
dc->current_state->bw.dce.dispclk_khz = context->bw.dce.dispclk_khz;
}
dce100_pplib_apply_display_requirements(dc, context);
}
/**************************************************************************/
void dce100_hw_sequencer_construct(struct dc *dc)
{
dce110_hw_sequencer_construct(dc);
dc->hwss.enable_display_power_gating = dce100_enable_display_power_gating;
dc->hwss.set_bandwidth = dce100_set_bandwidth;
dc->hwss.pplib_apply_display_requirements =
dce100_pplib_apply_display_requirements;
}
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