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drm/amd/display: Load DMCU IRAM 

DMCU IRAM must be loaded by the driver before DMCU
can function.

Move the IRAM code out of the shadows and into a new file
modules/power/power_helpers.c

The IRAM table contains the backlight curve and ABM parameters

Add this new file to the Makefiles

Call dmcu_load_iram in late init of DM

Move struct dmcu_version from dc.h to dmcu.h to allow
dmcu to be included on its own

Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
David Francis 2018-11-26 11:38:33 -05:00 committed by Alex Deucher
parent 51f1f6f517
commit bbf854dc35
7 changed files with 435 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/display/Makefile
View File

@ -32,11 +32,12 @@ subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/inc
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/freesync
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/color
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/info_packet
subdir-ccflags-y += -I$(FULL_AMD_DISPLAY_PATH)/modules/power
#TODO: remove when Timing Sync feature is complete
subdir-ccflags-y += -DBUILD_FEATURE_TIMING_SYNC=0
DAL_LIBS = amdgpu_dm dc modules/freesync modules/color modules/info_packet
DAL_LIBS = amdgpu_dm dc modules/freesync modules/color modules/info_packet modules/power
AMD_DAL = $(addsuffix /Makefile, $(addprefix $(FULL_AMD_DISPLAY_PATH)/,$(DAL_LIBS)))

21
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -71,6 +71,7 @@
#endif
#include "modules/inc/mod_freesync.h"
#include "modules/power/power_helpers.h"
#define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
@ -642,6 +643,26 @@ static int dm_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct dmcu_iram_parameters params;
unsigned int linear_lut[16];
int i;
struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
bool ret;
for (i = 0; i < 16; i++)
linear_lut[i] = 0xFFFF * i / 15;
params.set = 0;
params.backlight_ramping_start = 0xCCCC;
params.backlight_ramping_reduction = 0xCCCCCCCC;
params.backlight_lut_array_size = 16;
params.backlight_lut_array = linear_lut;
ret = dmcu_load_iram(dmcu, params);
if (!ret)
return -EINVAL;
return detect_mst_link_for_all_connectors(adev->ddev);
}

8
drivers/gpu/drm/amd/display/dc/dc.h
View File

@ -36,6 +36,7 @@
#include "inc/hw_sequencer.h"
#include "inc/compressor.h"
#include "inc/hw/dmcu.h"
#include "dml/display_mode_lib.h"
#define DC_VER "3.2.06"
@ -47,13 +48,6 @@
/*******************************************************************************
* Display Core Interfaces
******************************************************************************/
struct dmcu_version {
unsigned int date;
unsigned int month;
unsigned int year;
unsigned int interface_version;
};
struct dc_versions {
const char *dc_ver;
struct dmcu_version dmcu_version;

7
drivers/gpu/drm/amd/display/dc/inc/hw/dmcu.h
View File

@ -32,6 +32,13 @@ enum dmcu_state {
DMCU_RUNNING = 1
};
struct dmcu_version {
unsigned int date;
unsigned int month;
unsigned int year;
unsigned int interface_version;
};
struct dmcu {
struct dc_context *ctx;
const struct dmcu_funcs *funcs;

31
drivers/gpu/drm/amd/display/modules/power/Makefile Normal file
View File

@ -0,0 +1,31 @@
#
# Copyright 2017 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.
#
#
# Makefile for the 'power' sub-module of DAL.
#
MOD_POWER = power_helpers.o
AMD_DAL_MOD_POWER = $(addprefix $(AMDDALPATH)/modules/power/,$(MOD_POWER))
#$(info ************ DAL POWER MODULE MAKEFILE ************)
AMD_DISPLAY_FILES += $(AMD_DAL_MOD_POWER)

326
drivers/gpu/drm/amd/display/modules/power/power_helpers.c Normal file
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@ -0,0 +1,326 @@
/* 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 "power_helpers.h"
#include "dc/inc/hw/dmcu.h"
#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
/* Possible Min Reduction config from least aggressive to most aggressive
* 0 1 2 3 4 5 6 7 8 9 10 11 12
* 100 98.0 94.1 94.1 85.1 80.3 75.3 69.4 60.0 57.6 50.2 49.8 40.0 %
*/
static const unsigned char min_reduction_table[13] = {
0xff, 0xfa, 0xf0, 0xf0, 0xd9, 0xcd, 0xc0, 0xb1, 0x99, 0x93, 0x80, 0x82, 0x66};
/* Possible Max Reduction configs from least aggressive to most aggressive
* 0 1 2 3 4 5 6 7 8 9 10 11 12
* 96.1 89.8 85.1 80.3 69.4 64.7 64.7 50.2 39.6 30.2 30.2 30.2 19.6 %
*/
static const unsigned char max_reduction_table[13] = {
0xf5, 0xe5, 0xd9, 0xcd, 0xb1, 0xa5, 0xa5, 0x80, 0x65, 0x4d, 0x4d, 0x4d, 0x32};
/* Predefined ABM configuration sets. We may have different configuration sets
* in order to satisfy different power/quality requirements.
*/
static const unsigned char abm_config[abm_defines_max_config][abm_defines_max_level] = {
/* ABM Level 1, ABM Level 2, ABM Level 3, ABM Level 4 */
{ 2, 5, 7, 8 }, /* Default - Medium aggressiveness */
{ 2, 5, 8, 11 }, /* Alt #1 - Increased aggressiveness */
{ 0, 2, 4, 8 }, /* Alt #2 - Minimal aggressiveness */
{ 3, 6, 10, 12 }, /* Alt #3 - Super aggressiveness */
};
#define NUM_AMBI_LEVEL 5
#define NUM_AGGR_LEVEL 4
#define NUM_POWER_FN_SEGS 8
#define NUM_BL_CURVE_SEGS 16
/* NOTE: iRAM is 256B in size */
struct iram_table_v_2 {
/* flags */
uint16_t flags; /* 0x00 U16 */
/* parameters for ABM2.0 algorithm */
uint8_t min_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x02 U0.8 */
uint8_t max_reduction[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x16 U0.8 */
uint8_t bright_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x2a U2.6 */
uint8_t bright_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x3e U2.6 */
uint8_t dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x52 U2.6 */
uint8_t dark_neg_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL]; /* 0x66 U2.6 */
uint8_t iir_curve[NUM_AMBI_LEVEL]; /* 0x7a U0.8 */
uint8_t deviation_gain; /* 0x7f U0.8 */
/* parameters for crgb conversion */
uint16_t crgb_thresh[NUM_POWER_FN_SEGS]; /* 0x80 U3.13 */
uint16_t crgb_offset[NUM_POWER_FN_SEGS]; /* 0x90 U1.15 */
uint16_t crgb_slope[NUM_POWER_FN_SEGS]; /* 0xa0 U4.12 */
/* parameters for custom curve */
/* thresholds for brightness --> backlight */
uint16_t backlight_thresholds[NUM_BL_CURVE_SEGS]; /* 0xb0 U16.0 */
/* offsets for brightness --> backlight */
uint16_t backlight_offsets[NUM_BL_CURVE_SEGS]; /* 0xd0 U16.0 */
/* For reading PSR State directly from IRAM */
uint8_t psr_state; /* 0xf0 */
uint8_t dmcu_interface_version; /* 0xf1 */
uint8_t dmcu_date_version_year_b0; /* 0xf2 */
uint8_t dmcu_date_version_year_b1; /* 0xf3 */
uint8_t dmcu_date_version_month; /* 0xf4 */
uint8_t dmcu_date_version_day; /* 0xf5 */
uint8_t dmcu_state; /* 0xf6 */
uint16_t blRampReduction; /* 0xf7 */
uint16_t blRampStart; /* 0xf9 */
uint8_t dummy5; /* 0xfb */
uint8_t dummy6; /* 0xfc */
uint8_t dummy7; /* 0xfd */
uint8_t dummy8; /* 0xfe */
uint8_t dummy9; /* 0xff */
};
static uint16_t backlight_8_to_16(unsigned int backlight_8bit)
{
return (uint16_t)(backlight_8bit * 0x101);
}
static void fill_backlight_transform_table(struct dmcu_iram_parameters params,
struct iram_table_v_2 *table)
{
unsigned int i;
unsigned int num_entries = NUM_BL_CURVE_SEGS;
unsigned int query_input_8bit;
unsigned int query_output_8bit;
unsigned int lut_index;
table->backlight_thresholds[0] = 0;
table->backlight_offsets[0] = params.backlight_lut_array[0];
table->backlight_thresholds[num_entries-1] = 0xFFFF;
table->backlight_offsets[num_entries-1] =
params.backlight_lut_array[params.backlight_lut_array_size - 1];
/* Setup all brightness levels between 0% and 100% exclusive
* Fills brightness-to-backlight transform table. Backlight custom curve
* describes transform from brightness to backlight. It will be defined
* as set of thresholds and set of offsets, together, implying
* extrapolation of custom curve into 16 uniformly spanned linear
* segments. Each threshold/offset represented by 16 bit entry in
* format U4.10.
*/
for (i = 1; i+1 < num_entries; i++) {
query_input_8bit = DIV_ROUNDUP((i * 256), num_entries);
lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
ASSERT(lut_index < params.backlight_lut_array_size);
query_output_8bit = params.backlight_lut_array[lut_index] >> 8;
table->backlight_thresholds[i] =
backlight_8_to_16(query_input_8bit);
table->backlight_offsets[i] =
backlight_8_to_16(query_output_8bit);
}
}
bool dmcu_load_iram(struct dmcu *dmcu,
struct dmcu_iram_parameters params)
{
struct iram_table_v_2 ram_table;
unsigned int set = params.set;
if (dmcu == NULL)
return false;
if (!dmcu->funcs->is_dmcu_initialized(dmcu))
return true;
memset(&ram_table, 0, sizeof(ram_table));
ram_table.flags = 0x0;
ram_table.deviation_gain = 0xb3;
ram_table.blRampReduction =
cpu_to_be16(params.backlight_ramping_reduction);
ram_table.blRampStart =
cpu_to_be16(params.backlight_ramping_start);
ram_table.min_reduction[0][0] = min_reduction_table[abm_config[set][0]];
ram_table.min_reduction[1][0] = min_reduction_table[abm_config[set][0]];
ram_table.min_reduction[2][0] = min_reduction_table[abm_config[set][0]];
ram_table.min_reduction[3][0] = min_reduction_table[abm_config[set][0]];
ram_table.min_reduction[4][0] = min_reduction_table[abm_config[set][0]];
ram_table.max_reduction[0][0] = max_reduction_table[abm_config[set][0]];
ram_table.max_reduction[1][0] = max_reduction_table[abm_config[set][0]];
ram_table.max_reduction[2][0] = max_reduction_table[abm_config[set][0]];
ram_table.max_reduction[3][0] = max_reduction_table[abm_config[set][0]];
ram_table.max_reduction[4][0] = max_reduction_table[abm_config[set][0]];
ram_table.min_reduction[0][1] = min_reduction_table[abm_config[set][1]];
ram_table.min_reduction[1][1] = min_reduction_table[abm_config[set][1]];
ram_table.min_reduction[2][1] = min_reduction_table[abm_config[set][1]];
ram_table.min_reduction[3][1] = min_reduction_table[abm_config[set][1]];
ram_table.min_reduction[4][1] = min_reduction_table[abm_config[set][1]];
ram_table.max_reduction[0][1] = max_reduction_table[abm_config[set][1]];
ram_table.max_reduction[1][1] = max_reduction_table[abm_config[set][1]];
ram_table.max_reduction[2][1] = max_reduction_table[abm_config[set][1]];
ram_table.max_reduction[3][1] = max_reduction_table[abm_config[set][1]];
ram_table.max_reduction[4][1] = max_reduction_table[abm_config[set][1]];
ram_table.min_reduction[0][2] = min_reduction_table[abm_config[set][2]];
ram_table.min_reduction[1][2] = min_reduction_table[abm_config[set][2]];
ram_table.min_reduction[2][2] = min_reduction_table[abm_config[set][2]];
ram_table.min_reduction[3][2] = min_reduction_table[abm_config[set][2]];
ram_table.min_reduction[4][2] = min_reduction_table[abm_config[set][2]];
ram_table.max_reduction[0][2] = max_reduction_table[abm_config[set][2]];
ram_table.max_reduction[1][2] = max_reduction_table[abm_config[set][2]];
ram_table.max_reduction[2][2] = max_reduction_table[abm_config[set][2]];
ram_table.max_reduction[3][2] = max_reduction_table[abm_config[set][2]];
ram_table.max_reduction[4][2] = max_reduction_table[abm_config[set][2]];
ram_table.min_reduction[0][3] = min_reduction_table[abm_config[set][3]];
ram_table.min_reduction[1][3] = min_reduction_table[abm_config[set][3]];
ram_table.min_reduction[2][3] = min_reduction_table[abm_config[set][3]];
ram_table.min_reduction[3][3] = min_reduction_table[abm_config[set][3]];
ram_table.min_reduction[4][3] = min_reduction_table[abm_config[set][3]];
ram_table.max_reduction[0][3] = max_reduction_table[abm_config[set][3]];
ram_table.max_reduction[1][3] = max_reduction_table[abm_config[set][3]];
ram_table.max_reduction[2][3] = max_reduction_table[abm_config[set][3]];
ram_table.max_reduction[3][3] = max_reduction_table[abm_config[set][3]];
ram_table.max_reduction[4][3] = max_reduction_table[abm_config[set][3]];
ram_table.bright_pos_gain[0][0] = 0x20;
ram_table.bright_pos_gain[0][1] = 0x20;
ram_table.bright_pos_gain[0][2] = 0x20;
ram_table.bright_pos_gain[0][3] = 0x20;
ram_table.bright_pos_gain[1][0] = 0x20;
ram_table.bright_pos_gain[1][1] = 0x20;
ram_table.bright_pos_gain[1][2] = 0x20;
ram_table.bright_pos_gain[1][3] = 0x20;
ram_table.bright_pos_gain[2][0] = 0x20;
ram_table.bright_pos_gain[2][1] = 0x20;
ram_table.bright_pos_gain[2][2] = 0x20;
ram_table.bright_pos_gain[2][3] = 0x20;
ram_table.bright_pos_gain[3][0] = 0x20;
ram_table.bright_pos_gain[3][1] = 0x20;
ram_table.bright_pos_gain[3][2] = 0x20;
ram_table.bright_pos_gain[3][3] = 0x20;
ram_table.bright_pos_gain[4][0] = 0x20;
ram_table.bright_pos_gain[4][1] = 0x20;
ram_table.bright_pos_gain[4][2] = 0x20;
ram_table.bright_pos_gain[4][3] = 0x20;
ram_table.bright_neg_gain[0][1] = 0x00;
ram_table.bright_neg_gain[0][2] = 0x00;
ram_table.bright_neg_gain[0][3] = 0x00;
ram_table.bright_neg_gain[1][0] = 0x00;
ram_table.bright_neg_gain[1][1] = 0x00;
ram_table.bright_neg_gain[1][2] = 0x00;
ram_table.bright_neg_gain[1][3] = 0x00;
ram_table.bright_neg_gain[2][0] = 0x00;
ram_table.bright_neg_gain[2][1] = 0x00;
ram_table.bright_neg_gain[2][2] = 0x00;
ram_table.bright_neg_gain[2][3] = 0x00;
ram_table.bright_neg_gain[3][0] = 0x00;
ram_table.bright_neg_gain[3][1] = 0x00;
ram_table.bright_neg_gain[3][2] = 0x00;
ram_table.bright_neg_gain[3][3] = 0x00;
ram_table.bright_neg_gain[4][0] = 0x00;
ram_table.bright_neg_gain[4][1] = 0x00;
ram_table.bright_neg_gain[4][2] = 0x00;
ram_table.bright_neg_gain[4][3] = 0x00;
ram_table.dark_pos_gain[0][0] = 0x00;
ram_table.dark_pos_gain[0][1] = 0x00;
ram_table.dark_pos_gain[0][2] = 0x00;
ram_table.dark_pos_gain[0][3] = 0x00;
ram_table.dark_pos_gain[1][0] = 0x00;
ram_table.dark_pos_gain[1][1] = 0x00;
ram_table.dark_pos_gain[1][2] = 0x00;
ram_table.dark_pos_gain[1][3] = 0x00;
ram_table.dark_pos_gain[2][0] = 0x00;
ram_table.dark_pos_gain[2][1] = 0x00;
ram_table.dark_pos_gain[2][2] = 0x00;
ram_table.dark_pos_gain[2][3] = 0x00;
ram_table.dark_pos_gain[3][0] = 0x00;
ram_table.dark_pos_gain[3][1] = 0x00;
ram_table.dark_pos_gain[3][2] = 0x00;
ram_table.dark_pos_gain[3][3] = 0x00;
ram_table.dark_pos_gain[4][0] = 0x00;
ram_table.dark_pos_gain[4][1] = 0x00;
ram_table.dark_pos_gain[4][2] = 0x00;
ram_table.dark_pos_gain[4][3] = 0x00;
ram_table.dark_neg_gain[0][0] = 0x00;
ram_table.dark_neg_gain[0][1] = 0x00;
ram_table.dark_neg_gain[0][2] = 0x00;
ram_table.dark_neg_gain[0][3] = 0x00;
ram_table.dark_neg_gain[1][0] = 0x00;
ram_table.dark_neg_gain[1][1] = 0x00;
ram_table.dark_neg_gain[1][2] = 0x00;
ram_table.dark_neg_gain[1][3] = 0x00;
ram_table.dark_neg_gain[2][0] = 0x00;
ram_table.dark_neg_gain[2][1] = 0x00;
ram_table.dark_neg_gain[2][2] = 0x00;
ram_table.dark_neg_gain[2][3] = 0x00;
ram_table.dark_neg_gain[3][0] = 0x00;
ram_table.dark_neg_gain[3][1] = 0x00;
ram_table.dark_neg_gain[3][2] = 0x00;
ram_table.dark_neg_gain[3][3] = 0x00;
ram_table.dark_neg_gain[4][0] = 0x00;
ram_table.dark_neg_gain[4][1] = 0x00;
ram_table.dark_neg_gain[4][2] = 0x00;
ram_table.dark_neg_gain[4][3] = 0x00;
ram_table.iir_curve[0] = 0x65;
ram_table.iir_curve[1] = 0x65;
ram_table.iir_curve[2] = 0x65;
ram_table.iir_curve[3] = 0x65;
ram_table.iir_curve[4] = 0x65;
ram_table.crgb_thresh[0] = cpu_to_be16(0x13b6);
ram_table.crgb_thresh[1] = cpu_to_be16(0x1648);
ram_table.crgb_thresh[2] = cpu_to_be16(0x18e3);
ram_table.crgb_thresh[3] = cpu_to_be16(0x1b41);
ram_table.crgb_thresh[4] = cpu_to_be16(0x1d46);
ram_table.crgb_thresh[5] = cpu_to_be16(0x1f21);
ram_table.crgb_thresh[6] = cpu_to_be16(0x2167);
ram_table.crgb_thresh[7] = cpu_to_be16(0x2384);
ram_table.crgb_offset[0] = cpu_to_be16(0x2999);
ram_table.crgb_offset[1] = cpu_to_be16(0x3999);
ram_table.crgb_offset[2] = cpu_to_be16(0x4666);
ram_table.crgb_offset[3] = cpu_to_be16(0x5999);
ram_table.crgb_offset[4] = cpu_to_be16(0x6333);
ram_table.crgb_offset[5] = cpu_to_be16(0x7800);
ram_table.crgb_offset[6] = cpu_to_be16(0x8c00);
ram_table.crgb_offset[7] = cpu_to_be16(0xa000);
ram_table.crgb_slope[0] = cpu_to_be16(0x3147);
ram_table.crgb_slope[1] = cpu_to_be16(0x2978);
ram_table.crgb_slope[2] = cpu_to_be16(0x23a2);
ram_table.crgb_slope[3] = cpu_to_be16(0x1f55);
ram_table.crgb_slope[4] = cpu_to_be16(0x1c63);
ram_table.crgb_slope[5] = cpu_to_be16(0x1a0f);
ram_table.crgb_slope[6] = cpu_to_be16(0x178d);
ram_table.crgb_slope[7] = cpu_to_be16(0x15ab);
fill_backlight_transform_table(
params, &ram_table);
return dmcu->funcs->load_iram(
dmcu, 0, (char *)(&ram_table), sizeof(ram_table));
}

47
drivers/gpu/drm/amd/display/modules/power/power_helpers.h Normal file
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@ -0,0 +1,47 @@
/* 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
*
*/
#ifndef MODULES_POWER_POWER_HELPERS_H_
#define MODULES_POWER_POWER_HELPERS_H_
#include "dc/inc/hw/dmcu.h"
enum abm_defines {
abm_defines_max_level = 4,
abm_defines_max_config = 4,
};
struct dmcu_iram_parameters {
unsigned int *backlight_lut_array;
unsigned int backlight_lut_array_size;
unsigned int backlight_ramping_reduction;
unsigned int backlight_ramping_start;
unsigned int set;
};
bool dmcu_load_iram(struct dmcu *dmcu,
struct dmcu_iram_parameters params);
#endif /* MODULES_POWER_POWER_HELPERS_H_ */