Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 998 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
new file mode 100644
index 000000000..3af67b729
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c
@@ -0,0 +1,998 @@
+/* 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"
+#include "dc/inc/hw/abm.h"
+#include "dc.h"
+#include "core_types.h"
+#include "dmub_cmd.h"
+
+#define DIV_ROUNDUP(a, b) (((a)+((b)/2))/(b))
+#define bswap16_based_on_endian(big_endian, value) \
+	(big_endian) ? cpu_to_be16(value) : cpu_to_le16(value)
+
+/* 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};
+
+/* Possible ABM 2.2 Min Reduction configs from least aggressive to most aggressive
+ *  0    1     2     3     4     5     6     7     8     9     10    11   12
+ * 100  100   100   100   100   100   100   100  100  92.2  83.1  75.3  75.3 %
+ */
+static const unsigned char min_reduction_table_v_2_2[13] = {
+0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xeb, 0xd4, 0xc0, 0xc0};
+
+/* Possible ABM 2.2 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 74.9  69.4  64.7  52.2  48.6  39.6  30.2  25.1  19.6  12.5  12.5 %
+ */
+static const unsigned char max_reduction_table_v_2_2[13] = {
+0xf5, 0xe5, 0xbf, 0xb1, 0xa5, 0x85, 0x7c, 0x65, 0x4d, 0x40, 0x32, 0x20, 0x20};
+
+/* 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 */
+};
+
+struct abm_parameters {
+	unsigned char min_reduction;
+	unsigned char max_reduction;
+	unsigned char bright_pos_gain;
+	unsigned char dark_pos_gain;
+	unsigned char brightness_gain;
+	unsigned char contrast_factor;
+	unsigned char deviation_gain;
+	unsigned char min_knee;
+	unsigned char max_knee;
+	unsigned short blRampReduction;
+	unsigned short blRampStart;
+};
+
+static const struct abm_parameters abm_settings_config0[abm_defines_max_level] = {
+//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed    blStart
+	{0xff,   0xbf,    0x20,       0x00,     0xff,        0x99,     0xb3, 0x40,     0xe0,     0xf777,  0xcccc},
+	{0xde,   0x85,    0x20,       0x00,     0xe0,        0x90,     0xa8, 0x40,     0xc8,     0xf777,  0xcccc},
+	{0xb0,   0x50,    0x20,       0x00,     0xc0,        0x88,     0x78, 0x70,     0xa0,     0xeeee,  0x9999},
+	{0x82,   0x40,    0x20,       0x00,     0x00,        0xb8,     0xb3, 0x70,     0x70,     0xe333,  0xb333},
+};
+
+static const struct abm_parameters abm_settings_config1[abm_defines_max_level] = {
+//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed  blStart
+	{0xf0,   0xd9,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0xcd,   0xa5,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0x99,   0x65,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+	{0x82,   0x4d,    0x20,       0x00,     0x00,        0xff,     0xb3, 0x70,     0x70,     0xcccc,  0xcccc},
+};
+
+static const struct abm_parameters abm_settings_config2[abm_defines_max_level] = {
+//  min_red  max_red  bright_pos  dark_pos  bright_gain  contrast  dev   min_knee  max_knee  blRed    blStart
+	{0xf0,   0xbf,    0x20,       0x00,     0x88,        0x99,     0xb3, 0x40,     0xe0,    0x0000,  0xcccc},
+	{0xd8,   0x85,    0x20,       0x00,     0x70,        0x90,     0xa8, 0x40,     0xc8,    0x0700,  0xb333},
+	{0xb8,   0x58,    0x20,       0x00,     0x64,        0x88,     0x78, 0x70,     0xa0,    0x7000,  0x9999},
+	{0x82,   0x40,    0x20,       0x00,     0x00,        0xb8,     0xb3, 0x70,     0x70,    0xc333,  0xb333},
+};
+
+static const struct abm_parameters * const abm_settings[] = {
+	abm_settings_config0,
+	abm_settings_config1,
+	abm_settings_config2,
+};
+
+static const struct dm_bl_data_point custom_backlight_curve0[] = {
+		{2, 14}, {4, 16}, {6, 18}, {8, 21}, {10, 23}, {12, 26}, {14, 29}, {16, 32}, {18, 35},
+		{20, 38}, {22, 41}, {24, 44}, {26, 48}, {28, 52}, {30, 55}, {32, 59}, {34, 62},
+		{36, 67}, {38, 71}, {40, 75}, {42, 80}, {44, 84}, {46, 88}, {48, 93}, {50, 98},
+		{52, 103}, {54, 108}, {56, 113}, {58, 118}, {60, 123}, {62, 129}, {64, 135}, {66, 140},
+		{68, 146}, {70, 152}, {72, 158}, {74, 164}, {76, 171}, {78, 177}, {80, 183}, {82, 190},
+		{84, 197}, {86, 204}, {88, 211}, {90, 218}, {92, 225}, {94, 232}, {96, 240}, {98, 247}};
+
+struct custom_backlight_profile {
+	uint8_t  ac_level_percentage;
+	uint8_t  dc_level_percentage;
+	uint8_t  min_input_signal;
+	uint8_t  max_input_signal;
+	uint8_t  num_data_points;
+	const struct dm_bl_data_point *data_points;
+};
+
+static const struct custom_backlight_profile custom_backlight_profiles[] = {
+		{100, 32, 12, 255, ARRAY_SIZE(custom_backlight_curve0), custom_backlight_curve0},
+};
+
+#define NUM_AMBI_LEVEL    5
+#define NUM_AGGR_LEVEL    4
+#define NUM_POWER_FN_SEGS 8
+#define NUM_BL_CURVE_SEGS 16
+#define IRAM_SIZE 256
+
+#define IRAM_RESERVE_AREA_START_V2 0xF0  // reserve 0xF0~0xF6 are write by DMCU only
+#define IRAM_RESERVE_AREA_END_V2 0xF6  // reserve 0xF0~0xF6 are write by DMCU only
+
+#define IRAM_RESERVE_AREA_START_V2_2 0xF0  // reserve 0xF0~0xFF are write by DMCU only
+#define IRAM_RESERVE_AREA_END_V2_2 0xFF  // reserve 0xF0~0xFF are write by DMCU only
+
+#pragma pack(push, 1)
+/* NOTE: iRAM is 256B in size */
+struct iram_table_v_2 {
+	/* flags                      */
+	uint16_t min_abm_backlight;					/* 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_mcp_interface_version;				/* 0xf1       */
+	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
+	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
+	uint16_t dmcu_version;						/* 0xf4       */
+	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       */
+};
+
+struct iram_table_v_2_2 {
+	/* flags                      */
+	uint16_t flags;							/* 0x00 U16  */
+
+	/* parameters for ABM2.2 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 dark_pos_gain[NUM_AMBI_LEVEL][NUM_AGGR_LEVEL];		/* 0x3e U2.6 */
+	uint8_t hybrid_factor[NUM_AGGR_LEVEL];				/* 0x52 U0.8 */
+	uint8_t contrast_factor[NUM_AGGR_LEVEL];			/* 0x56 U0.8 */
+	uint8_t deviation_gain[NUM_AGGR_LEVEL];				/* 0x5a U0.8 */
+	uint8_t iir_curve[NUM_AMBI_LEVEL];				/* 0x5e U0.8 */
+	uint8_t min_knee[NUM_AGGR_LEVEL];				/* 0x63 U0.8 */
+	uint8_t max_knee[NUM_AGGR_LEVEL];				/* 0x67 U0.8 */
+	uint16_t min_abm_backlight;					/* 0x6b U16  */
+	uint8_t pad[19];						/* 0x6d 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_mcp_interface_version;				/* 0xf1       */
+	uint8_t dmcu_abm_feature_version;				/* 0xf2       */
+	uint8_t dmcu_psr_feature_version;				/* 0xf3       */
+	uint16_t dmcu_version;						/* 0xf4       */
+	uint8_t dmcu_state;						/* 0xf6       */
+
+	uint8_t dummy1;							/* 0xf7       */
+	uint8_t dummy2;							/* 0xf8       */
+	uint8_t dummy3;							/* 0xf9       */
+	uint8_t dummy4;							/* 0xfa       */
+	uint8_t dummy5;							/* 0xfb       */
+	uint8_t dummy6;							/* 0xfc       */
+	uint8_t dummy7;							/* 0xfd       */
+	uint8_t dummy8;							/* 0xfe       */
+	uint8_t dummy9;							/* 0xff       */
+};
+#pragma pack(pop)
+
+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 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++) {
+		lut_index = (params.backlight_lut_array_size - 1) * i / (num_entries - 1);
+		ASSERT(lut_index < params.backlight_lut_array_size);
+
+		table->backlight_thresholds[i] =
+			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries));
+		table->backlight_offsets[i] =
+			cpu_to_be16(params.backlight_lut_array[lut_index]);
+	}
+}
+
+static void fill_backlight_transform_table_v_2_2(struct dmcu_iram_parameters params,
+		struct iram_table_v_2_2 *table, bool big_endian)
+{
+	unsigned int i;
+	unsigned int num_entries = NUM_BL_CURVE_SEGS;
+	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++) {
+		lut_index = DIV_ROUNDUP((i * params.backlight_lut_array_size), num_entries);
+		ASSERT(lut_index < params.backlight_lut_array_size);
+
+		table->backlight_thresholds[i] = (big_endian) ?
+			cpu_to_be16(DIV_ROUNDUP((i * 65536), num_entries)) :
+			cpu_to_le16(DIV_ROUNDUP((i * 65536), num_entries));
+		table->backlight_offsets[i] = (big_endian) ?
+			cpu_to_be16(params.backlight_lut_array[lut_index]) :
+			cpu_to_le16(params.backlight_lut_array[lut_index]);
+	}
+}
+
+static void fill_iram_v_2(struct iram_table_v_2 *ram_table, struct dmcu_iram_parameters params)
+{
+	unsigned int set = params.set;
+
+	ram_table->min_abm_backlight =
+			cpu_to_be16(params.min_abm_backlight);
+	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][0] = 0x00;
+	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;
+
+	//Gamma 2.4
+	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);
+}
+
+static void fill_iram_v_2_2(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params)
+{
+	unsigned int set = params.set;
+
+	ram_table->flags = 0x0;
+
+	ram_table->min_abm_backlight =
+			cpu_to_be16(params.min_abm_backlight);
+
+	ram_table->deviation_gain[0] = 0xb3;
+	ram_table->deviation_gain[1] = 0xa8;
+	ram_table->deviation_gain[2] = 0x98;
+	ram_table->deviation_gain[3] = 0x68;
+
+	ram_table->min_reduction[0][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->min_reduction[1][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->min_reduction[2][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->min_reduction[3][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->min_reduction[4][0] = min_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->max_reduction[0][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->max_reduction[1][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->max_reduction[2][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->max_reduction[3][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+	ram_table->max_reduction[4][0] = max_reduction_table_v_2_2[abm_config[set][0]];
+
+	ram_table->min_reduction[0][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->min_reduction[1][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->min_reduction[2][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->min_reduction[3][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->min_reduction[4][1] = min_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->max_reduction[0][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->max_reduction[1][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->max_reduction[2][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->max_reduction[3][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+	ram_table->max_reduction[4][1] = max_reduction_table_v_2_2[abm_config[set][1]];
+
+	ram_table->min_reduction[0][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->min_reduction[1][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->min_reduction[2][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->min_reduction[3][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->min_reduction[4][2] = min_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->max_reduction[0][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->max_reduction[1][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->max_reduction[2][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->max_reduction[3][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+	ram_table->max_reduction[4][2] = max_reduction_table_v_2_2[abm_config[set][2]];
+
+	ram_table->min_reduction[0][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->min_reduction[1][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->min_reduction[2][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->min_reduction[3][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->min_reduction[4][3] = min_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->max_reduction[0][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->max_reduction[1][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->max_reduction[2][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->max_reduction[3][3] = max_reduction_table_v_2_2[abm_config[set][3]];
+	ram_table->max_reduction[4][3] = max_reduction_table_v_2_2[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->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->hybrid_factor[0] = 0xff;
+	ram_table->hybrid_factor[1] = 0xff;
+	ram_table->hybrid_factor[2] = 0xff;
+	ram_table->hybrid_factor[3] = 0xc0;
+
+	ram_table->contrast_factor[0] = 0x99;
+	ram_table->contrast_factor[1] = 0x99;
+	ram_table->contrast_factor[2] = 0x90;
+	ram_table->contrast_factor[3] = 0x80;
+
+	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;
+
+	//Gamma 2.2
+	ram_table->crgb_thresh[0] = cpu_to_be16(0x127c);
+	ram_table->crgb_thresh[1] = cpu_to_be16(0x151b);
+	ram_table->crgb_thresh[2] = cpu_to_be16(0x17d5);
+	ram_table->crgb_thresh[3] = cpu_to_be16(0x1a56);
+	ram_table->crgb_thresh[4] = cpu_to_be16(0x1c83);
+	ram_table->crgb_thresh[5] = cpu_to_be16(0x1e72);
+	ram_table->crgb_thresh[6] = cpu_to_be16(0x20f0);
+	ram_table->crgb_thresh[7] = cpu_to_be16(0x232b);
+	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(0x3609);
+	ram_table->crgb_slope[1]  = cpu_to_be16(0x2dfa);
+	ram_table->crgb_slope[2]  = cpu_to_be16(0x27ea);
+	ram_table->crgb_slope[3]  = cpu_to_be16(0x235d);
+	ram_table->crgb_slope[4]  = cpu_to_be16(0x2042);
+	ram_table->crgb_slope[5]  = cpu_to_be16(0x1dc3);
+	ram_table->crgb_slope[6]  = cpu_to_be16(0x1b1a);
+	ram_table->crgb_slope[7]  = cpu_to_be16(0x1910);
+
+	fill_backlight_transform_table_v_2_2(
+			params, ram_table, true);
+}
+
+static void fill_iram_v_2_3(struct iram_table_v_2_2 *ram_table, struct dmcu_iram_parameters params, bool big_endian)
+{
+	unsigned int i, j;
+	unsigned int set = params.set;
+
+	ram_table->flags = 0x0;
+	ram_table->min_abm_backlight = (big_endian) ?
+		cpu_to_be16(params.min_abm_backlight) :
+		cpu_to_le16(params.min_abm_backlight);
+
+	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+		ram_table->hybrid_factor[i] = abm_settings[set][i].brightness_gain;
+		ram_table->contrast_factor[i] = abm_settings[set][i].contrast_factor;
+		ram_table->deviation_gain[i] = abm_settings[set][i].deviation_gain;
+		ram_table->min_knee[i] = abm_settings[set][i].min_knee;
+		ram_table->max_knee[i] = abm_settings[set][i].max_knee;
+
+		for (j = 0; j < NUM_AMBI_LEVEL; j++) {
+			ram_table->min_reduction[j][i] = abm_settings[set][i].min_reduction;
+			ram_table->max_reduction[j][i] = abm_settings[set][i].max_reduction;
+			ram_table->bright_pos_gain[j][i] = abm_settings[set][i].bright_pos_gain;
+			ram_table->dark_pos_gain[j][i] = abm_settings[set][i].dark_pos_gain;
+		}
+	}
+
+	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;
+
+	//Gamma 2.2
+	ram_table->crgb_thresh[0] = bswap16_based_on_endian(big_endian, 0x127c);
+	ram_table->crgb_thresh[1] = bswap16_based_on_endian(big_endian, 0x151b);
+	ram_table->crgb_thresh[2] = bswap16_based_on_endian(big_endian, 0x17d5);
+	ram_table->crgb_thresh[3] = bswap16_based_on_endian(big_endian, 0x1a56);
+	ram_table->crgb_thresh[4] = bswap16_based_on_endian(big_endian, 0x1c83);
+	ram_table->crgb_thresh[5] = bswap16_based_on_endian(big_endian, 0x1e72);
+	ram_table->crgb_thresh[6] = bswap16_based_on_endian(big_endian, 0x20f0);
+	ram_table->crgb_thresh[7] = bswap16_based_on_endian(big_endian, 0x232b);
+	ram_table->crgb_offset[0] = bswap16_based_on_endian(big_endian, 0x2999);
+	ram_table->crgb_offset[1] = bswap16_based_on_endian(big_endian, 0x3999);
+	ram_table->crgb_offset[2] = bswap16_based_on_endian(big_endian, 0x4666);
+	ram_table->crgb_offset[3] = bswap16_based_on_endian(big_endian, 0x5999);
+	ram_table->crgb_offset[4] = bswap16_based_on_endian(big_endian, 0x6333);
+	ram_table->crgb_offset[5] = bswap16_based_on_endian(big_endian, 0x7800);
+	ram_table->crgb_offset[6] = bswap16_based_on_endian(big_endian, 0x8c00);
+	ram_table->crgb_offset[7] = bswap16_based_on_endian(big_endian, 0xa000);
+	ram_table->crgb_slope[0]  = bswap16_based_on_endian(big_endian, 0x3609);
+	ram_table->crgb_slope[1]  = bswap16_based_on_endian(big_endian, 0x2dfa);
+	ram_table->crgb_slope[2]  = bswap16_based_on_endian(big_endian, 0x27ea);
+	ram_table->crgb_slope[3]  = bswap16_based_on_endian(big_endian, 0x235d);
+	ram_table->crgb_slope[4]  = bswap16_based_on_endian(big_endian, 0x2042);
+	ram_table->crgb_slope[5]  = bswap16_based_on_endian(big_endian, 0x1dc3);
+	ram_table->crgb_slope[6]  = bswap16_based_on_endian(big_endian, 0x1b1a);
+	ram_table->crgb_slope[7]  = bswap16_based_on_endian(big_endian, 0x1910);
+
+	fill_backlight_transform_table_v_2_2(
+			params, ram_table, big_endian);
+}
+
+bool dmub_init_abm_config(struct resource_pool *res_pool,
+	struct dmcu_iram_parameters params,
+	unsigned int inst)
+{
+	struct iram_table_v_2_2 ram_table;
+	struct abm_config_table config;
+	unsigned int set = params.set;
+	bool result = false;
+	uint32_t i, j = 0;
+
+	if (res_pool->abm == NULL && res_pool->multiple_abms[inst] == NULL)
+		return false;
+
+	memset(&ram_table, 0, sizeof(ram_table));
+	memset(&config, 0, sizeof(config));
+
+	fill_iram_v_2_3(&ram_table, params, false);
+
+	// We must copy to structure that is aligned to 32-bit
+	for (i = 0; i < NUM_POWER_FN_SEGS; i++) {
+		config.crgb_thresh[i] = ram_table.crgb_thresh[i];
+		config.crgb_offset[i] = ram_table.crgb_offset[i];
+		config.crgb_slope[i] = ram_table.crgb_slope[i];
+	}
+
+	for (i = 0; i < NUM_BL_CURVE_SEGS; i++) {
+		config.backlight_thresholds[i] = ram_table.backlight_thresholds[i];
+		config.backlight_offsets[i] = ram_table.backlight_offsets[i];
+	}
+
+	for (i = 0; i < NUM_AMBI_LEVEL; i++)
+		config.iir_curve[i] = ram_table.iir_curve[i];
+
+	for (i = 0; i < NUM_AMBI_LEVEL; i++) {
+		for (j = 0; j < NUM_AGGR_LEVEL; j++) {
+			config.min_reduction[i][j] = ram_table.min_reduction[i][j];
+			config.max_reduction[i][j] = ram_table.max_reduction[i][j];
+			config.bright_pos_gain[i][j] = ram_table.bright_pos_gain[i][j];
+			config.dark_pos_gain[i][j] = ram_table.dark_pos_gain[i][j];
+		}
+	}
+
+	for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+		config.hybrid_factor[i] = ram_table.hybrid_factor[i];
+		config.contrast_factor[i] = ram_table.contrast_factor[i];
+		config.deviation_gain[i] = ram_table.deviation_gain[i];
+		config.min_knee[i] = ram_table.min_knee[i];
+		config.max_knee[i] = ram_table.max_knee[i];
+	}
+
+	if (params.backlight_ramping_override) {
+		for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+			config.blRampReduction[i] = params.backlight_ramping_reduction;
+			config.blRampStart[i] = params.backlight_ramping_start;
+			}
+		} else {
+			for (i = 0; i < NUM_AGGR_LEVEL; i++) {
+				config.blRampReduction[i] = abm_settings[set][i].blRampReduction;
+				config.blRampStart[i] = abm_settings[set][i].blRampStart;
+				}
+			}
+
+	config.min_abm_backlight = ram_table.min_abm_backlight;
+
+	if (res_pool->multiple_abms[inst]) {
+		result = res_pool->multiple_abms[inst]->funcs->init_abm_config(
+			res_pool->multiple_abms[inst], (char *)(&config), sizeof(struct abm_config_table), inst);
+	} else
+		result = res_pool->abm->funcs->init_abm_config(
+			res_pool->abm, (char *)(&config), sizeof(struct abm_config_table), 0);
+
+	return result;
+}
+
+bool dmcu_load_iram(struct dmcu *dmcu,
+	struct dmcu_iram_parameters params)
+{
+	unsigned char ram_table[IRAM_SIZE];
+	bool result = false;
+
+	if (dmcu == NULL)
+		return false;
+
+	if (dmcu && !dmcu->funcs->is_dmcu_initialized(dmcu))
+		return true;
+
+	memset(&ram_table, 0, sizeof(ram_table));
+
+	if (dmcu->dmcu_version.abm_version == 0x24) {
+		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
+		result = dmcu->funcs->load_iram(dmcu, 0, (char *)(&ram_table),
+						IRAM_RESERVE_AREA_START_V2_2);
+	} else if (dmcu->dmcu_version.abm_version == 0x23) {
+		fill_iram_v_2_3((struct iram_table_v_2_2 *)ram_table, params, true);
+
+		result = dmcu->funcs->load_iram(
+				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+	} else if (dmcu->dmcu_version.abm_version == 0x22) {
+		fill_iram_v_2_2((struct iram_table_v_2_2 *)ram_table, params);
+
+		result = dmcu->funcs->load_iram(
+				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2_2);
+	} else {
+		fill_iram_v_2((struct iram_table_v_2 *)ram_table, params);
+
+		result = dmcu->funcs->load_iram(
+				dmcu, 0, (char *)(&ram_table), IRAM_RESERVE_AREA_START_V2);
+
+		if (result)
+			result = dmcu->funcs->load_iram(
+					dmcu, IRAM_RESERVE_AREA_END_V2 + 1,
+					(char *)(&ram_table) + IRAM_RESERVE_AREA_END_V2 + 1,
+					sizeof(ram_table) - IRAM_RESERVE_AREA_END_V2 - 1);
+	}
+
+	return result;
+}
+
+/*
+ * is_psr_su_specific_panel() - check if sink is AMD vendor-specific PSR-SU
+ * supported eDP device.
+ *
+ * @link: dc link pointer
+ *
+ * Return: true if AMDGPU vendor specific PSR-SU eDP panel
+ */
+bool is_psr_su_specific_panel(struct dc_link *link)
+{
+	bool isPSRSUSupported = false;
+	struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
+
+	if (dpcd_caps->edp_rev >= DP_EDP_14) {
+		if (dpcd_caps->psr_info.psr_version >= DP_PSR2_WITH_Y_COORD_ET_SUPPORTED)
+			isPSRSUSupported = true;
+		/*
+		 * Some panels will report PSR capabilities over additional DPCD bits.
+		 * Such panels are approved despite reporting only PSR v3, as long as
+		 * the additional bits are reported.
+		 */
+		if (dpcd_caps->sink_dev_id == DP_BRANCH_DEVICE_ID_001CF8) {
+			/*
+			 * This is the temporary workaround to disable PSRSU when system turned on
+			 * DSC function on the sepcific sink.
+			 */
+			if (dpcd_caps->psr_info.psr_version < DP_PSR2_WITH_Y_COORD_IS_SUPPORTED)
+				isPSRSUSupported = false;
+			else if (dpcd_caps->dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT &&
+				((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) ||
+				(dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07)))
+				isPSRSUSupported = false;
+			else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
+				isPSRSUSupported = false;
+			else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03)
+				isPSRSUSupported = false;
+			else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1)
+				isPSRSUSupported = true;
+		}
+	}
+
+	return isPSRSUSupported;
+}
+
+/**
+ * mod_power_calc_psr_configs() - calculate/update generic psr configuration fields.
+ * @psr_config: [output], psr configuration structure to be updated
+ * @link: [input] dc link pointer
+ * @stream: [input] dc stream state pointer
+ *
+ * calculate and update the psr configuration fields that are not DM specific, i.e. such
+ * fields which are based on DPCD caps or timing information. To setup PSR in DMUB FW,
+ * this helper is assumed to be called before the call of the DC helper dc_link_setup_psr().
+ *
+ * PSR config fields to be updated within the helper:
+ * - psr_rfb_setup_time
+ * - psr_sdp_transmit_line_num_deadline
+ * - line_time_in_us
+ * - su_y_granularity
+ * - su_granularity_required
+ * - psr_frame_capture_indication_req
+ * - psr_exit_link_training_required
+ *
+ * PSR config fields that are DM specific and NOT updated within the helper:
+ * - allow_smu_optimizations
+ * - allow_multi_disp_optimizations
+ */
+void mod_power_calc_psr_configs(struct psr_config *psr_config,
+		struct dc_link *link,
+		const struct dc_stream_state *stream)
+{
+	unsigned int num_vblank_lines = 0;
+	unsigned int vblank_time_in_us = 0;
+	unsigned int sdp_tx_deadline_in_us = 0;
+	unsigned int line_time_in_us = 0;
+	struct dpcd_caps *dpcd_caps = &link->dpcd_caps;
+	const int psr_setup_time_step_in_us = 55;	/* refer to eDP spec DPCD 0x071h */
+
+	/* timing parameters */
+	num_vblank_lines = stream->timing.v_total -
+			 stream->timing.v_addressable -
+			 stream->timing.v_border_top -
+			 stream->timing.v_border_bottom;
+
+	vblank_time_in_us = (stream->timing.h_total * num_vblank_lines * 1000) / (stream->timing.pix_clk_100hz / 10);
+
+	line_time_in_us = ((stream->timing.h_total * 1000) / (stream->timing.pix_clk_100hz / 10)) + 1;
+
+	/**
+	 * psr configuration fields
+	 *
+	 * as per eDP 1.5 pg. 377 of 459, DPCD 0x071h bits [3:1], psr setup time bits interpreted as below
+	 * 000b <--> 330 us (default)
+	 * 001b <--> 275 us
+	 * 010b <--> 220 us
+	 * 011b <--> 165 us
+	 * 100b <--> 110 us
+	 * 101b <--> 055 us
+	 * 110b <--> 000 us
+	 */
+	psr_config->psr_rfb_setup_time =
+		(6 - dpcd_caps->psr_info.psr_dpcd_caps.bits.PSR_SETUP_TIME) * psr_setup_time_step_in_us;
+
+	if (psr_config->psr_rfb_setup_time > vblank_time_in_us) {
+		link->psr_settings.psr_frame_capture_indication_req = true;
+		link->psr_settings.psr_sdp_transmit_line_num_deadline = num_vblank_lines;
+	} else {
+		sdp_tx_deadline_in_us = vblank_time_in_us - psr_config->psr_rfb_setup_time;
+
+		/* Set the last possible line SDP may be transmitted without violating the RFB setup time */
+		link->psr_settings.psr_frame_capture_indication_req = false;
+		link->psr_settings.psr_sdp_transmit_line_num_deadline = sdp_tx_deadline_in_us / line_time_in_us;
+	}
+
+	psr_config->psr_sdp_transmit_line_num_deadline = link->psr_settings.psr_sdp_transmit_line_num_deadline;
+	psr_config->line_time_in_us = line_time_in_us;
+	psr_config->su_y_granularity = dpcd_caps->psr_info.psr2_su_y_granularity_cap;
+	psr_config->su_granularity_required = dpcd_caps->psr_info.psr_dpcd_caps.bits.SU_GRANULARITY_REQUIRED;
+	psr_config->psr_frame_capture_indication_req = link->psr_settings.psr_frame_capture_indication_req;
+	psr_config->psr_exit_link_training_required =
+		!link->dpcd_caps.psr_info.psr_dpcd_caps.bits.LINK_TRAINING_ON_EXIT_NOT_REQUIRED;
+}
+
+void init_replay_config(struct dc_link *link, struct replay_config *pr_config)
+{
+	link->replay_settings.config = *pr_config;
+}
+
+bool mod_power_only_edp(const struct dc_state *context, const struct dc_stream_state *stream)
+{
+	return context && context->stream_count == 1 && dc_is_embedded_signal(stream->signal);
+}
+
+bool psr_su_set_dsc_slice_height(struct dc *dc, struct dc_link *link,
+			      struct dc_stream_state *stream,
+			      struct psr_config *config)
+{
+	uint16_t pic_height;
+	uint16_t slice_height;
+
+	config->dsc_slice_height = 0;
+	if ((link->connector_signal & SIGNAL_TYPE_EDP) &&
+	    (!dc->caps.edp_dsc_support ||
+	    link->panel_config.dsc.disable_dsc_edp ||
+	    !link->dpcd_caps.dsc_caps.dsc_basic_caps.fields.dsc_support.DSC_SUPPORT ||
+	    !stream->timing.dsc_cfg.num_slices_v))
+		return true;
+
+	pic_height = stream->timing.v_addressable +
+		stream->timing.v_border_top + stream->timing.v_border_bottom;
+
+	if (stream->timing.dsc_cfg.num_slices_v == 0)
+		return false;
+
+	slice_height = pic_height / stream->timing.dsc_cfg.num_slices_v;
+	config->dsc_slice_height = slice_height;
+
+	if (slice_height) {
+		if (config->su_y_granularity &&
+		    (slice_height % config->su_y_granularity)) {
+			ASSERT(0);
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool fill_custom_backlight_caps(unsigned int config_no, struct dm_acpi_atif_backlight_caps *caps)
+{
+	unsigned int data_points_size;
+
+	if (config_no >= ARRAY_SIZE(custom_backlight_profiles))
+		return false;
+
+	data_points_size = custom_backlight_profiles[config_no].num_data_points
+			* sizeof(custom_backlight_profiles[config_no].data_points[0]);
+
+	caps->size = sizeof(struct dm_acpi_atif_backlight_caps) - sizeof(caps->data_points) + data_points_size;
+	caps->flags = 0;
+	caps->error_code = 0;
+	caps->ac_level_percentage = custom_backlight_profiles[config_no].ac_level_percentage;
+	caps->dc_level_percentage = custom_backlight_profiles[config_no].dc_level_percentage;
+	caps->min_input_signal = custom_backlight_profiles[config_no].min_input_signal;
+	caps->max_input_signal = custom_backlight_profiles[config_no].max_input_signal;
+	caps->num_data_points = custom_backlight_profiles[config_no].num_data_points;
+	memcpy(caps->data_points, custom_backlight_profiles[config_no].data_points, data_points_size);
+	return true;
+}