Release 4.18 drivers/gpu/drm/amd/display/dc/dce120/dce120_hw_sequencer.c
  
  
  
/*
 * 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 "dce120_hw_sequencer.h"
#include "dce/dce_hwseq.h"
#include "dce110/dce110_hw_sequencer.h"
#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "soc15_hw_ip.h"
#include "vega10_ip_offset.h"
#include "reg_helper.h"
#define CTX \
	hws->ctx
#define REG(reg)\
	hws->regs->reg
#undef FN
#define FN(reg_name, field_name) \
	hws->shifts->field_name, hws->masks->field_name
struct dce120_hw_seq_reg_offsets {
	
uint32_t crtc;
};
static const struct dce120_hw_seq_reg_offsets reg_offsets[] = {
{
	.crtc = (mmCRTC0_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
	.crtc = (mmCRTC1_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
	.crtc = (mmCRTC2_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
	.crtc = (mmCRTC3_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
	.crtc = (mmCRTC4_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
},
{
	.crtc = (mmCRTC5_CRTC_GSL_CONTROL - mmCRTC0_CRTC_GSL_CONTROL),
}
};
#define HW_REG_CRTC(reg, id)\
	(reg + reg_offsets[id].crtc)
#define CNTL_ID(controller_id)\
	controller_id
/*******************************************************************************
 * Private definitions
 ******************************************************************************/
#if 0
static void dce120_init_pte(struct dc_context *ctx, uint8_t controller_id)
{
        uint32_t addr;
        uint32_t value = 0;
        uint32_t chunk_int = 0;
        uint32_t chunk_mul = 0;
/*
        addr = mmDCP0_DVMM_PTE_CONTROL + controller_id *
                        (mmDCP1_DVMM_PTE_CONTROL- mmDCP0_DVMM_PTE_CONTROL);
        value = dm_read_reg(ctx, addr);
        set_reg_field_value(
                        value, 0, DCP, controller_id,
                        DVMM_PTE_CONTROL,
                        DVMM_USE_SINGLE_PTE);
        set_reg_field_value_soc15(
                        value, 1, DCP, controller_id,
                        DVMM_PTE_CONTROL,
                        DVMM_PTE_BUFFER_MODE0);
        set_reg_field_value_soc15(
                        value, 1, DCP, controller_id,
                        DVMM_PTE_CONTROL,
                        DVMM_PTE_BUFFER_MODE1);
        dm_write_reg(ctx, addr, value);*/
	addr = mmDVMM_PTE_REQ;
        value = dm_read_reg(ctx, addr);
        chunk_int = get_reg_field_value(
                value,
                DVMM_PTE_REQ,
                HFLIP_PTEREQ_PER_CHUNK_INT);
        chunk_mul = get_reg_field_value(
                value,
                DVMM_PTE_REQ,
                HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
        if (chunk_int != 0x4 || chunk_mul != 0x4) {
                set_reg_field_value(
                        value,
                        255,
                        DVMM_PTE_REQ,
                        MAX_PTEREQ_TO_ISSUE);
                set_reg_field_value(
                        value,
                        4,
                        DVMM_PTE_REQ,
                        HFLIP_PTEREQ_PER_CHUNK_INT);
                set_reg_field_value(
                        value,
                        4,
                        DVMM_PTE_REQ,
                        HFLIP_PTEREQ_PER_CHUNK_MULTIPLIER);
                dm_write_reg(ctx, addr, value);
        }
}
#endif
static bool dce120_enable_display_power_gating(
	struct dc *dc,
	uint8_t controller_id,
	struct dc_bios *dcb,
	enum pipe_gating_control power_gating)
{
	/* disable for bringup */
#if 0
	enum bp_result bp_result = BP_RESULT_OK;
        enum bp_pipe_control_action cntl;
        struct dc_context *ctx = dc->ctx;
        if (IS_FPGA_MAXIMUS_DC(ctx->dce_environment))
                return true;
        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(mmCRTC0_CRTC_MASTER_UPDATE_MODE, controller_id),
                        0);
        }
        if (power_gating != PIPE_GATING_CONTROL_ENABLE)
                dce120_init_pte(ctx, controller_id);
        if (bp_result == BP_RESULT_OK)
                return true;
        else
                return false;
#endif
	return false;
}
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| Total | 35 | 100.00% | 2 | 100.00% | 
static void dce120_update_dchub(
	struct dce_hwseq *hws,
	struct dchub_init_data *dh_data)
{
	/* TODO: port code from dal2 */
	switch (dh_data->fb_mode) {
	case FRAME_BUFFER_MODE_ZFB_ONLY:
		/*For ZFB case need to put DCHUB FB BASE and TOP upside down to indicate ZFB mode*/
		REG_UPDATE_2(DCHUB_FB_LOCATION,
				FB_TOP, 0,
				FB_BASE, 0x0FFFF);
		REG_UPDATE(DCHUB_AGP_BASE,
				AGP_BASE, dh_data->zfb_phys_addr_base >> 22);
		REG_UPDATE(DCHUB_AGP_BOT,
				AGP_BOT, dh_data->zfb_mc_base_addr >> 22);
		REG_UPDATE(DCHUB_AGP_TOP,
				AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22);
		break;
	case FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL:
		/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
		REG_UPDATE(DCHUB_AGP_BASE,
				AGP_BASE, dh_data->zfb_phys_addr_base >> 22);
		REG_UPDATE(DCHUB_AGP_BOT,
				AGP_BOT, dh_data->zfb_mc_base_addr >> 22);
		REG_UPDATE(DCHUB_AGP_TOP,
				AGP_TOP, (dh_data->zfb_mc_base_addr + dh_data->zfb_size_in_byte - 1) >> 22);
		break;
	case FRAME_BUFFER_MODE_LOCAL_ONLY:
		/*Should not touch FB LOCATION (done by VBIOS on AsicInit table)*/
		REG_UPDATE(DCHUB_AGP_BASE,
				AGP_BASE, 0);
		REG_UPDATE(DCHUB_AGP_BOT,
				AGP_BOT, 0x03FFFF);
		REG_UPDATE(DCHUB_AGP_TOP,
				AGP_TOP, 0);
		break;
	default:
		break;
	}
	dh_data->dchub_initialzied = true;
	dh_data->dchub_info_valid = false;
}
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| Total | 188 | 100.00% | 1 | 100.00% | 
void dce120_hw_sequencer_construct(struct dc *dc)
{
	/* All registers used by dce11.2 match those in dce11 in offset and
         * structure
         */
	dce110_hw_sequencer_construct(dc);
	dc->hwss.enable_display_power_gating = dce120_enable_display_power_gating;
	dc->hwss.update_dchub = dce120_update_dchub;
}
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| Harry Wentland | 22 | 68.75% | 1 | 25.00% | 
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| Total | 32 | 100.00% | 4 | 100.00% | 
Overall Contributors
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| Zeyu Fan | 225 | 52.94% | 1 | 16.67% | 
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| Feifei Xu | 2 | 0.47% | 1 | 16.67% | 
| Dave Airlie | 1 | 0.24% | 1 | 16.67% | 
| Total | 425 | 100.00% | 6 | 100.00% | 
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