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authorSean Paul <seanpaul@chromium.org>2018-03-21 09:40:55 -0400
committerSean Paul <seanpaul@chromium.org>2018-03-21 09:40:55 -0400
commit1c7095d2836baafd84e596dd34ba1a1293a4faa9 (patch)
tree498f529809b9c0a3c75c8b8bb1098ed4f71233db /drivers/gpu/drm/amd/display/modules
parent2793c1d77aa8876e5674e901d051c79570e99db2 (diff)
parent78230c46ec0a91dd4256c9e54934b3c7095a7ee3 (diff)
Merge airlied/drm-next into drm-misc-nextdrm-misc-next-2018-03-21
Refresh -misc-next Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/Makefile31
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.c1396
-rw-r--r--drivers/gpu/drm/amd/display/modules/color/color_gamma.h53
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c155
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h9
-rw-r--r--drivers/gpu/drm/amd/display/modules/inc/mod_stats.h65
-rw-r--r--drivers/gpu/drm/amd/display/modules/stats/stats.c334
7 files changed, 2013 insertions, 30 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/color/Makefile b/drivers/gpu/drm/amd/display/modules/color/Makefile
new file mode 100644
index 000000000000..65c33a76951a
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/Makefile
@@ -0,0 +1,31 @@
+#
+# 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.
+#
+#
+# Makefile for the color sub-module of DAL.
+#
+
+MOD_COLOR = color_gamma.o
+
+AMD_DAL_MOD_COLOR = $(addprefix $(AMDDALPATH)/modules/color/,$(MOD_COLOR))
+#$(info ************ DAL COLOR MODULE MAKEFILE ************)
+
+AMD_DISPLAY_FILES += $(AMD_DAL_MOD_COLOR)
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.c b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
new file mode 100644
index 000000000000..e7e374f56864
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.c
@@ -0,0 +1,1396 @@
+/*
+ * Copyright 2016 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.h"
+#include "opp.h"
+#include "color_gamma.h"
+
+
+#define NUM_PTS_IN_REGION 16
+#define NUM_REGIONS 32
+#define MAX_HW_POINTS (NUM_PTS_IN_REGION*NUM_REGIONS)
+
+static struct hw_x_point coordinates_x[MAX_HW_POINTS + 2];
+
+static struct fixed31_32 pq_table[MAX_HW_POINTS + 2];
+static struct fixed31_32 de_pq_table[MAX_HW_POINTS + 2];
+
+static bool pq_initialized; /* = false; */
+static bool de_pq_initialized; /* = false; */
+
+/* one-time setup of X points */
+void setup_x_points_distribution(void)
+{
+ struct fixed31_32 region_size = dal_fixed31_32_from_int(128);
+ int32_t segment;
+ uint32_t seg_offset;
+ uint32_t index;
+ struct fixed31_32 increment;
+
+ coordinates_x[MAX_HW_POINTS].x = region_size;
+ coordinates_x[MAX_HW_POINTS + 1].x = region_size;
+
+ for (segment = 6; segment > (6 - NUM_REGIONS); segment--) {
+ region_size = dal_fixed31_32_div_int(region_size, 2);
+ increment = dal_fixed31_32_div_int(region_size,
+ NUM_PTS_IN_REGION);
+ seg_offset = (segment + (NUM_REGIONS - 7)) * NUM_PTS_IN_REGION;
+ coordinates_x[seg_offset].x = region_size;
+
+ for (index = seg_offset + 1;
+ index < seg_offset + NUM_PTS_IN_REGION;
+ index++) {
+ coordinates_x[index].x = dal_fixed31_32_add
+ (coordinates_x[index-1].x, increment);
+ }
+ }
+}
+
+static void compute_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
+{
+ /* consts for PQ gamma formula. */
+ const struct fixed31_32 m1 =
+ dal_fixed31_32_from_fraction(159301758, 1000000000);
+ const struct fixed31_32 m2 =
+ dal_fixed31_32_from_fraction(7884375, 100000);
+ const struct fixed31_32 c1 =
+ dal_fixed31_32_from_fraction(8359375, 10000000);
+ const struct fixed31_32 c2 =
+ dal_fixed31_32_from_fraction(188515625, 10000000);
+ const struct fixed31_32 c3 =
+ dal_fixed31_32_from_fraction(186875, 10000);
+
+ struct fixed31_32 l_pow_m1;
+ struct fixed31_32 base;
+
+ if (dal_fixed31_32_lt(in_x, dal_fixed31_32_zero))
+ in_x = dal_fixed31_32_zero;
+
+ l_pow_m1 = dal_fixed31_32_pow(in_x, m1);
+ base = dal_fixed31_32_div(
+ dal_fixed31_32_add(c1,
+ (dal_fixed31_32_mul(c2, l_pow_m1))),
+ dal_fixed31_32_add(dal_fixed31_32_one,
+ (dal_fixed31_32_mul(c3, l_pow_m1))));
+ *out_y = dal_fixed31_32_pow(base, m2);
+}
+
+static void compute_de_pq(struct fixed31_32 in_x, struct fixed31_32 *out_y)
+{
+ /* consts for dePQ gamma formula. */
+ const struct fixed31_32 m1 =
+ dal_fixed31_32_from_fraction(159301758, 1000000000);
+ const struct fixed31_32 m2 =
+ dal_fixed31_32_from_fraction(7884375, 100000);
+ const struct fixed31_32 c1 =
+ dal_fixed31_32_from_fraction(8359375, 10000000);
+ const struct fixed31_32 c2 =
+ dal_fixed31_32_from_fraction(188515625, 10000000);
+ const struct fixed31_32 c3 =
+ dal_fixed31_32_from_fraction(186875, 10000);
+
+ struct fixed31_32 l_pow_m1;
+ struct fixed31_32 base, div;
+
+
+ if (dal_fixed31_32_lt(in_x, dal_fixed31_32_zero))
+ in_x = dal_fixed31_32_zero;
+
+ l_pow_m1 = dal_fixed31_32_pow(in_x,
+ dal_fixed31_32_div(dal_fixed31_32_one, m2));
+ base = dal_fixed31_32_sub(l_pow_m1, c1);
+
+ if (dal_fixed31_32_lt(base, dal_fixed31_32_zero))
+ base = dal_fixed31_32_zero;
+
+ div = dal_fixed31_32_sub(c2, dal_fixed31_32_mul(c3, l_pow_m1));
+
+ *out_y = dal_fixed31_32_pow(dal_fixed31_32_div(base, div),
+ dal_fixed31_32_div(dal_fixed31_32_one, m1));
+
+}
+/* one-time pre-compute PQ values - only for sdr_white_level 80 */
+void precompute_pq(void)
+{
+ int i;
+ struct fixed31_32 x;
+ const struct hw_x_point *coord_x = coordinates_x + 32;
+ struct fixed31_32 scaling_factor =
+ dal_fixed31_32_from_fraction(80, 10000);
+
+ /* pow function has problems with arguments too small */
+ for (i = 0; i < 32; i++)
+ pq_table[i] = dal_fixed31_32_zero;
+
+ for (i = 32; i <= MAX_HW_POINTS; i++) {
+ x = dal_fixed31_32_mul(coord_x->x, scaling_factor);
+ compute_pq(x, &pq_table[i]);
+ ++coord_x;
+ }
+}
+
+/* one-time pre-compute dePQ values - only for max pixel value 125 FP16 */
+void precompute_de_pq(void)
+{
+ int i;
+ struct fixed31_32 y;
+ uint32_t begin_index, end_index;
+
+ struct fixed31_32 scaling_factor = dal_fixed31_32_from_int(125);
+
+ /* X points is 2^-25 to 2^7
+ * De-gamma X is 2^-12 to 2^0 – we are skipping first -12-(-25) = 13 regions
+ */
+ begin_index = 13 * NUM_PTS_IN_REGION;
+ end_index = begin_index + 12 * NUM_PTS_IN_REGION;
+
+ for (i = 0; i <= begin_index; i++)
+ de_pq_table[i] = dal_fixed31_32_zero;
+
+ for (; i <= end_index; i++) {
+ compute_de_pq(coordinates_x[i].x, &y);
+ de_pq_table[i] = dal_fixed31_32_mul(y, scaling_factor);
+ }
+
+ for (; i <= MAX_HW_POINTS; i++)
+ de_pq_table[i] = de_pq_table[i-1];
+}
+struct dividers {
+ struct fixed31_32 divider1;
+ struct fixed31_32 divider2;
+ struct fixed31_32 divider3;
+};
+
+static void build_coefficients(struct gamma_coefficients *coefficients, bool is_2_4)
+{
+ static const int32_t numerator01[] = { 31308, 180000};
+ static const int32_t numerator02[] = { 12920, 4500};
+ static const int32_t numerator03[] = { 55, 99};
+ static const int32_t numerator04[] = { 55, 99};
+ static const int32_t numerator05[] = { 2400, 2200};
+
+ uint32_t i = 0;
+ uint32_t index = is_2_4 == true ? 0:1;
+
+ do {
+ coefficients->a0[i] = dal_fixed31_32_from_fraction(
+ numerator01[index], 10000000);
+ coefficients->a1[i] = dal_fixed31_32_from_fraction(
+ numerator02[index], 1000);
+ coefficients->a2[i] = dal_fixed31_32_from_fraction(
+ numerator03[index], 1000);
+ coefficients->a3[i] = dal_fixed31_32_from_fraction(
+ numerator04[index], 1000);
+ coefficients->user_gamma[i] = dal_fixed31_32_from_fraction(
+ numerator05[index], 1000);
+
+ ++i;
+ } while (i != ARRAY_SIZE(coefficients->a0));
+}
+
+static struct fixed31_32 translate_from_linear_space(
+ struct fixed31_32 arg,
+ struct fixed31_32 a0,
+ struct fixed31_32 a1,
+ struct fixed31_32 a2,
+ struct fixed31_32 a3,
+ struct fixed31_32 gamma)
+{
+ const struct fixed31_32 one = dal_fixed31_32_from_int(1);
+
+ if (dal_fixed31_32_lt(one, arg))
+ return one;
+
+ if (dal_fixed31_32_le(arg, dal_fixed31_32_neg(a0)))
+ return dal_fixed31_32_sub(
+ a2,
+ dal_fixed31_32_mul(
+ dal_fixed31_32_add(
+ one,
+ a3),
+ dal_fixed31_32_pow(
+ dal_fixed31_32_neg(arg),
+ dal_fixed31_32_recip(gamma))));
+ else if (dal_fixed31_32_le(a0, arg))
+ return dal_fixed31_32_sub(
+ dal_fixed31_32_mul(
+ dal_fixed31_32_add(
+ one,
+ a3),
+ dal_fixed31_32_pow(
+ arg,
+ dal_fixed31_32_recip(gamma))),
+ a2);
+ else
+ return dal_fixed31_32_mul(
+ arg,
+ a1);
+}
+
+static struct fixed31_32 translate_to_linear_space(
+ struct fixed31_32 arg,
+ struct fixed31_32 a0,
+ struct fixed31_32 a1,
+ struct fixed31_32 a2,
+ struct fixed31_32 a3,
+ struct fixed31_32 gamma)
+{
+ struct fixed31_32 linear;
+
+ a0 = dal_fixed31_32_mul(a0, a1);
+ if (dal_fixed31_32_le(arg, dal_fixed31_32_neg(a0)))
+
+ linear = dal_fixed31_32_neg(
+ dal_fixed31_32_pow(
+ dal_fixed31_32_div(
+ dal_fixed31_32_sub(a2, arg),
+ dal_fixed31_32_add(
+ dal_fixed31_32_one, a3)), gamma));
+
+ else if (dal_fixed31_32_le(dal_fixed31_32_neg(a0), arg) &&
+ dal_fixed31_32_le(arg, a0))
+ linear = dal_fixed31_32_div(arg, a1);
+ else
+ linear = dal_fixed31_32_pow(
+ dal_fixed31_32_div(
+ dal_fixed31_32_add(a2, arg),
+ dal_fixed31_32_add(
+ dal_fixed31_32_one, a3)), gamma);
+
+ return linear;
+}
+
+static inline struct fixed31_32 translate_from_linear_space_ex(
+ struct fixed31_32 arg,
+ struct gamma_coefficients *coeff,
+ uint32_t color_index)
+{
+ return translate_from_linear_space(
+ arg,
+ coeff->a0[color_index],
+ coeff->a1[color_index],
+ coeff->a2[color_index],
+ coeff->a3[color_index],
+ coeff->user_gamma[color_index]);
+}
+
+
+static inline struct fixed31_32 translate_to_linear_space_ex(
+ struct fixed31_32 arg,
+ struct gamma_coefficients *coeff,
+ uint32_t color_index)
+{
+ return translate_to_linear_space(
+ arg,
+ coeff->a0[color_index],
+ coeff->a1[color_index],
+ coeff->a2[color_index],
+ coeff->a3[color_index],
+ coeff->user_gamma[color_index]);
+}
+
+
+static bool find_software_points(
+ const struct dc_gamma *ramp,
+ const struct gamma_pixel *axis_x,
+ struct fixed31_32 hw_point,
+ enum channel_name channel,
+ uint32_t *index_to_start,
+ uint32_t *index_left,
+ uint32_t *index_right,
+ enum hw_point_position *pos)
+{
+ const uint32_t max_number = ramp->num_entries + 3;
+
+ struct fixed31_32 left, right;
+
+ uint32_t i = *index_to_start;
+
+ while (i < max_number) {
+ if (channel == CHANNEL_NAME_RED) {
+ left = axis_x[i].r;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].r;
+ else
+ right = axis_x[max_number - 1].r;
+ } else if (channel == CHANNEL_NAME_GREEN) {
+ left = axis_x[i].g;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].g;
+ else
+ right = axis_x[max_number - 1].g;
+ } else {
+ left = axis_x[i].b;
+
+ if (i < max_number - 1)
+ right = axis_x[i + 1].b;
+ else
+ right = axis_x[max_number - 1].b;
+ }
+
+ if (dal_fixed31_32_le(left, hw_point) &&
+ dal_fixed31_32_le(hw_point, right)) {
+ *index_to_start = i;
+ *index_left = i;
+
+ if (i < max_number - 1)
+ *index_right = i + 1;
+ else
+ *index_right = max_number - 1;
+
+ *pos = HW_POINT_POSITION_MIDDLE;
+
+ return true;
+ } else if ((i == *index_to_start) &&
+ dal_fixed31_32_le(hw_point, left)) {
+ *index_to_start = i;
+ *index_left = i;
+ *index_right = i;
+
+ *pos = HW_POINT_POSITION_LEFT;
+
+ return true;
+ } else if ((i == max_number - 1) &&
+ dal_fixed31_32_le(right, hw_point)) {
+ *index_to_start = i;
+ *index_left = i;
+ *index_right = i;
+
+ *pos = HW_POINT_POSITION_RIGHT;
+
+ return true;
+ }
+
+ ++i;
+ }
+
+ return false;
+}
+
+static bool build_custom_gamma_mapping_coefficients_worker(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff,
+ const struct hw_x_point *coordinates_x,
+ const struct gamma_pixel *axis_x,
+ enum channel_name channel,
+ uint32_t number_of_points)
+{
+ uint32_t i = 0;
+
+ while (i <= number_of_points) {
+ struct fixed31_32 coord_x;
+
+ uint32_t index_to_start = 0;
+ uint32_t index_left = 0;
+ uint32_t index_right = 0;
+
+ enum hw_point_position hw_pos;
+
+ struct gamma_point *point;
+
+ struct fixed31_32 left_pos;
+ struct fixed31_32 right_pos;
+
+ if (channel == CHANNEL_NAME_RED)
+ coord_x = coordinates_x[i].regamma_y_red;
+ else if (channel == CHANNEL_NAME_GREEN)
+ coord_x = coordinates_x[i].regamma_y_green;
+ else
+ coord_x = coordinates_x[i].regamma_y_blue;
+
+ if (!find_software_points(
+ ramp, axis_x, coord_x, channel,
+ &index_to_start, &index_left, &index_right, &hw_pos)) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (index_left >= ramp->num_entries + 3) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (index_right >= ramp->num_entries + 3) {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ if (channel == CHANNEL_NAME_RED) {
+ point = &coeff[i].r;
+
+ left_pos = axis_x[index_left].r;
+ right_pos = axis_x[index_right].r;
+ } else if (channel == CHANNEL_NAME_GREEN) {
+ point = &coeff[i].g;
+
+ left_pos = axis_x[index_left].g;
+ right_pos = axis_x[index_right].g;
+ } else {
+ point = &coeff[i].b;
+
+ left_pos = axis_x[index_left].b;
+ right_pos = axis_x[index_right].b;
+ }
+
+ if (hw_pos == HW_POINT_POSITION_MIDDLE)
+ point->coeff = dal_fixed31_32_div(
+ dal_fixed31_32_sub(
+ coord_x,
+ left_pos),
+ dal_fixed31_32_sub(
+ right_pos,
+ left_pos));
+ else if (hw_pos == HW_POINT_POSITION_LEFT)
+ point->coeff = dal_fixed31_32_zero;
+ else if (hw_pos == HW_POINT_POSITION_RIGHT)
+ point->coeff = dal_fixed31_32_from_int(2);
+ else {
+ BREAK_TO_DEBUGGER();
+ return false;
+ }
+
+ point->left_index = index_left;
+ point->right_index = index_right;
+ point->pos = hw_pos;
+
+ ++i;
+ }
+
+ return true;
+}
+
+static struct fixed31_32 calculate_mapped_value(
+ struct pwl_float_data *rgb,
+ const struct pixel_gamma_point *coeff,
+ enum channel_name channel,
+ uint32_t max_index)
+{
+ const struct gamma_point *point;
+
+ struct fixed31_32 result;
+
+ if (channel == CHANNEL_NAME_RED)
+ point = &coeff->r;
+ else if (channel == CHANNEL_NAME_GREEN)
+ point = &coeff->g;
+ else
+ point = &coeff->b;
+
+ if ((point->left_index < 0) || (point->left_index > max_index)) {
+ BREAK_TO_DEBUGGER();
+ return dal_fixed31_32_zero;
+ }
+
+ if ((point->right_index < 0) || (point->right_index > max_index)) {
+ BREAK_TO_DEBUGGER();
+ return dal_fixed31_32_zero;
+ }
+
+ if (point->pos == HW_POINT_POSITION_MIDDLE)
+ if (channel == CHANNEL_NAME_RED)
+ result = dal_fixed31_32_add(
+ dal_fixed31_32_mul(
+ point->coeff,
+ dal_fixed31_32_sub(
+ rgb[point->right_index].r,
+ rgb[point->left_index].r)),
+ rgb[point->left_index].r);
+ else if (channel == CHANNEL_NAME_GREEN)
+ result = dal_fixed31_32_add(
+ dal_fixed31_32_mul(
+ point->coeff,
+ dal_fixed31_32_sub(
+ rgb[point->right_index].g,
+ rgb[point->left_index].g)),
+ rgb[point->left_index].g);
+ else
+ result = dal_fixed31_32_add(
+ dal_fixed31_32_mul(
+ point->coeff,
+ dal_fixed31_32_sub(
+ rgb[point->right_index].b,
+ rgb[point->left_index].b)),
+ rgb[point->left_index].b);
+ else if (point->pos == HW_POINT_POSITION_LEFT) {
+ BREAK_TO_DEBUGGER();
+ result = dal_fixed31_32_zero;
+ } else {
+ BREAK_TO_DEBUGGER();
+ result = dal_fixed31_32_one;
+ }
+
+ return result;
+}
+
+static void build_pq(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x,
+ uint32_t sdr_white_level)
+{
+ uint32_t i, start_index;
+
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+ struct fixed31_32 x;
+ struct fixed31_32 output;
+ struct fixed31_32 scaling_factor =
+ dal_fixed31_32_from_fraction(sdr_white_level, 10000);
+
+ if (!pq_initialized && sdr_white_level == 80) {
+ precompute_pq();
+ pq_initialized = true;
+ }
+
+ /* TODO: start index is from segment 2^-24, skipping first segment
+ * due to x values too small for power calculations
+ */
+ start_index = 32;
+ rgb += start_index;
+ coord_x += start_index;
+
+ for (i = start_index; i <= hw_points_num; i++) {
+ /* Multiply 0.008 as regamma is 0-1 and FP16 input is 0-125.
+ * FP 1.0 = 80nits
+ */
+ if (sdr_white_level == 80) {
+ output = pq_table[i];
+ } else {
+ x = dal_fixed31_32_mul(coord_x->x, scaling_factor);
+ compute_pq(x, &output);
+ }
+
+ /* should really not happen? */
+ if (dal_fixed31_32_lt(output, dal_fixed31_32_zero))
+ output = dal_fixed31_32_zero;
+ else if (dal_fixed31_32_lt(dal_fixed31_32_one, output))
+ output = dal_fixed31_32_one;
+
+ rgb->r = output;
+ rgb->g = output;
+ rgb->b = output;
+
+ ++coord_x;
+ ++rgb;
+ }
+}
+
+static void build_de_pq(struct pwl_float_data_ex *de_pq,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x)
+{
+ uint32_t i;
+ struct fixed31_32 output;
+
+ struct fixed31_32 scaling_factor = dal_fixed31_32_from_int(125);
+
+ if (!de_pq_initialized) {
+ precompute_de_pq();
+ de_pq_initialized = true;
+ }
+
+
+ for (i = 0; i <= hw_points_num; i++) {
+ output = de_pq_table[i];
+ /* should really not happen? */
+ if (dal_fixed31_32_lt(output, dal_fixed31_32_zero))
+ output = dal_fixed31_32_zero;
+ else if (dal_fixed31_32_lt(scaling_factor, output))
+ output = scaling_factor;
+ de_pq[i].r = output;
+ de_pq[i].g = output;
+ de_pq[i].b = output;
+ }
+}
+
+static void build_regamma(struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x, bool is_2_4)
+{
+ uint32_t i;
+
+ struct gamma_coefficients coeff;
+ struct pwl_float_data_ex *rgb = rgb_regamma;
+ const struct hw_x_point *coord_x = coordinate_x;
+
+ build_coefficients(&coeff, is_2_4);
+
+ i = 0;
+
+ while (i != hw_points_num + 1) {
+ /*TODO use y vs r,g,b*/
+ rgb->r = translate_from_linear_space_ex(
+ coord_x->x, &coeff, 0);
+ rgb->g = rgb->r;
+ rgb->b = rgb->r;
+ ++coord_x;
+ ++rgb;
+ ++i;
+ }
+}
+
+static void build_degamma(struct pwl_float_data_ex *curve,
+ uint32_t hw_points_num,
+ const struct hw_x_point *coordinate_x, bool is_2_4)
+{
+ uint32_t i;
+ struct gamma_coefficients coeff;
+ uint32_t begin_index, end_index;
+
+ build_coefficients(&coeff, is_2_4);
+ i = 0;
+
+ /* X points is 2^-25 to 2^7
+ * De-gamma X is 2^-12 to 2^0 – we are skipping first -12-(-25) = 13 regions
+ */
+ begin_index = 13 * NUM_PTS_IN_REGION;
+ end_index = begin_index + 12 * NUM_PTS_IN_REGION;
+
+ while (i != begin_index) {
+ curve[i].r = dal_fixed31_32_zero;
+ curve[i].g = dal_fixed31_32_zero;
+ curve[i].b = dal_fixed31_32_zero;
+ i++;
+ }
+
+ while (i != end_index) {
+ curve[i].r = translate_to_linear_space_ex(
+ coordinate_x[i].x, &coeff, 0);
+ curve[i].g = curve[i].r;
+ curve[i].b = curve[i].r;
+ i++;
+ }
+ while (i != hw_points_num + 1) {
+ curve[i].r = dal_fixed31_32_one;
+ curve[i].g = dal_fixed31_32_one;
+ curve[i].b = dal_fixed31_32_one;
+ i++;
+ }
+}
+
+static bool scale_gamma(struct pwl_float_data *pwl_rgb,
+ const struct dc_gamma *ramp,
+ struct dividers dividers)
+{
+ const struct fixed31_32 max_driver = dal_fixed31_32_from_int(0xFFFF);
+ const struct fixed31_32 max_os = dal_fixed31_32_from_int(0xFF00);
+ struct fixed31_32 scaler = max_os;
+ uint32_t i;
+ struct pwl_float_data *rgb = pwl_rgb;
+ struct pwl_float_data *rgb_last = rgb + ramp->num_entries - 1;
+
+ i = 0;
+
+ do {
+ if (dal_fixed31_32_lt(max_os, ramp->entries.red[i]) ||
+ dal_fixed31_32_lt(max_os, ramp->entries.green[i]) ||
+ dal_fixed31_32_lt(max_os, ramp->entries.blue[i])) {
+ scaler = max_driver;
+ break;
+ }
+ ++i;
+ } while (i != ramp->num_entries);
+
+ i = 0;
+
+ do {
+ rgb->r = dal_fixed31_32_div(
+ ramp->entries.red[i], scaler);
+ rgb->g = dal_fixed31_32_div(
+ ramp->entries.green[i], scaler);
+ rgb->b = dal_fixed31_32_div(
+ ramp->entries.blue[i], scaler);
+
+ ++rgb;
+ ++i;
+ } while (i != ramp->num_entries);
+
+ rgb->r = dal_fixed31_32_mul(rgb_last->r,
+ dividers.divider1);
+ rgb->g = dal_fixed31_32_mul(rgb_last->g,
+ dividers.divider1);
+ rgb->b = dal_fixed31_32_mul(rgb_last->b,
+ dividers.divider1);
+
+ ++rgb;
+
+ rgb->r = dal_fixed31_32_mul(rgb_last->r,
+ dividers.divider2);
+ rgb->g = dal_fixed31_32_mul(rgb_last->g,
+ dividers.divider2);
+ rgb->b = dal_fixed31_32_mul(rgb_last->b,
+ dividers.divider2);
+
+ ++rgb;
+
+ rgb->r = dal_fixed31_32_mul(rgb_last->r,
+ dividers.divider3);
+ rgb->g = dal_fixed31_32_mul(rgb_last->g,
+ dividers.divider3);
+ rgb->b = dal_fixed31_32_mul(rgb_last->b,
+ dividers.divider3);
+
+ return true;
+}
+
+static bool scale_gamma_dx(struct pwl_float_data *pwl_rgb,
+ const struct dc_gamma *ramp,
+ struct dividers dividers)
+{
+ uint32_t i;
+ struct fixed31_32 min = dal_fixed31_32_zero;
+ struct fixed31_32 max = dal_fixed31_32_one;
+
+ struct fixed31_32 delta = dal_fixed31_32_zero;
+ struct fixed31_32 offset = dal_fixed31_32_zero;
+
+ for (i = 0 ; i < ramp->num_entries; i++) {
+ if (dal_fixed31_32_lt(ramp->entries.red[i], min))
+ min = ramp->entries.red[i];
+
+ if (dal_fixed31_32_lt(ramp->entries.green[i], min))
+ min = ramp->entries.green[i];
+
+ if (dal_fixed31_32_lt(ramp->entries.blue[i], min))
+ min = ramp->entries.blue[i];
+
+ if (dal_fixed31_32_lt(max, ramp->entries.red[i]))
+ max = ramp->entries.red[i];
+
+ if (dal_fixed31_32_lt(max, ramp->entries.green[i]))
+ max = ramp->entries.green[i];
+
+ if (dal_fixed31_32_lt(max, ramp->entries.blue[i]))
+ max = ramp->entries.blue[i];
+ }
+
+ if (dal_fixed31_32_lt(min, dal_fixed31_32_zero))
+ delta = dal_fixed31_32_neg(min);
+
+ offset = dal_fixed31_32_add(min, max);
+
+ for (i = 0 ; i < ramp->num_entries; i++) {
+ pwl_rgb[i].r = dal_fixed31_32_div(
+ dal_fixed31_32_add(
+ ramp->entries.red[i], delta), offset);
+ pwl_rgb[i].g = dal_fixed31_32_div(
+ dal_fixed31_32_add(
+ ramp->entries.green[i], delta), offset);
+ pwl_rgb[i].b = dal_fixed31_32_div(
+ dal_fixed31_32_add(
+ ramp->entries.blue[i], delta), offset);
+
+ }
+
+ pwl_rgb[i].r = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
+ pwl_rgb[i].g = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
+ pwl_rgb[i].b = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
+ ++i;
+ pwl_rgb[i].r = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].r, 2), pwl_rgb[i-2].r);
+ pwl_rgb[i].g = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].g, 2), pwl_rgb[i-2].g);
+ pwl_rgb[i].b = dal_fixed31_32_sub(dal_fixed31_32_mul_int(
+ pwl_rgb[i-1].b, 2), pwl_rgb[i-2].b);
+
+ return true;
+}
+
+/*
+ * RS3+ color transform DDI - 1D LUT adjustment is composed with regamma here
+ * Input is evenly distributed in the output color space as specified in
+ * SetTimings
+ *
+ * Interpolation details:
+ * 1D LUT has 4096 values which give curve correction in 0-1 float range
+ * for evenly spaced points in 0-1 range. lut1D[index] gives correction
+ * for index/4095.
+ * First we find index for which:
+ * index/4095 < regamma_y < (index+1)/4095 =>
+ * index < 4095*regamma_y < index + 1
+ * norm_y = 4095*regamma_y, and index is just truncating to nearest integer
+ * lut1 = lut1D[index], lut2 = lut1D[index+1]
+ *
+ *adjustedY is then linearly interpolating regamma Y between lut1 and lut2
+ */
+static void apply_lut_1d(
+ const struct dc_gamma *ramp,
+ uint32_t num_hw_points,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+ int i = 0;
+ int color = 0;
+ struct fixed31_32 *regamma_y;
+ struct fixed31_32 norm_y;
+ struct fixed31_32 lut1;
+ struct fixed31_32 lut2;
+ const int max_lut_index = 4095;
+ const struct fixed31_32 max_lut_index_f =
+ dal_fixed31_32_from_int_nonconst(max_lut_index);
+ int32_t index = 0, index_next = 0;
+ struct fixed31_32 index_f;
+ struct fixed31_32 delta_lut;
+ struct fixed31_32 delta_index;
+
+ if (ramp->type != GAMMA_CS_TFM_1D)
+ return; // this is not expected
+
+ for (i = 0; i < num_hw_points; i++) {
+ for (color = 0; color < 3; color++) {
+ if (color == 0)
+ regamma_y = &tf_pts->red[i];
+ else if (color == 1)
+ regamma_y = &tf_pts->green[i];
+ else
+ regamma_y = &tf_pts->blue[i];
+
+ norm_y = dal_fixed31_32_mul(max_lut_index_f,
+ *regamma_y);
+ index = dal_fixed31_32_floor(norm_y);
+ index_f = dal_fixed31_32_from_int_nonconst(index);
+
+ if (index < 0 || index > max_lut_index)
+ continue;
+
+ index_next = (index == max_lut_index) ? index : index+1;
+
+ if (color == 0) {
+ lut1 = ramp->entries.red[index];
+ lut2 = ramp->entries.red[index_next];
+ } else if (color == 1) {
+ lut1 = ramp->entries.green[index];
+ lut2 = ramp->entries.green[index_next];
+ } else {
+ lut1 = ramp->entries.blue[index];
+ lut2 = ramp->entries.blue[index_next];
+ }
+
+ // we have everything now, so interpolate
+ delta_lut = dal_fixed31_32_sub(lut2, lut1);
+ delta_index = dal_fixed31_32_sub(norm_y, index_f);
+
+ *regamma_y = dal_fixed31_32_add(lut1,
+ dal_fixed31_32_mul(delta_index, delta_lut));
+ }
+ }
+}
+
+static void build_evenly_distributed_points(
+ struct gamma_pixel *points,
+ uint32_t numberof_points,
+ struct dividers dividers)
+{
+ struct gamma_pixel *p = points;
+ struct gamma_pixel *p_last = p + numberof_points - 1;
+
+ uint32_t i = 0;
+
+ do {
+ struct fixed31_32 value = dal_fixed31_32_from_fraction(i,
+ numberof_points - 1);
+
+ p->r = value;
+ p->g = value;
+ p->b = value;
+
+ ++p;
+ ++i;
+ } while (i != numberof_points);
+
+ p->r = dal_fixed31_32_div(p_last->r, dividers.divider1);
+ p->g = dal_fixed31_32_div(p_last->g, dividers.divider1);
+ p->b = dal_fixed31_32_div(p_last->b, dividers.divider1);
+
+ ++p;
+
+ p->r = dal_fixed31_32_div(p_last->r, dividers.divider2);
+ p->g = dal_fixed31_32_div(p_last->g, dividers.divider2);
+ p->b = dal_fixed31_32_div(p_last->b, dividers.divider2);
+
+ ++p;
+
+ p->r = dal_fixed31_32_div(p_last->r, dividers.divider3);
+ p->g = dal_fixed31_32_div(p_last->g, dividers.divider3);
+ p->b = dal_fixed31_32_div(p_last->b, dividers.divider3);
+}
+
+static inline void copy_rgb_regamma_to_coordinates_x(
+ struct hw_x_point *coordinates_x,
+ uint32_t hw_points_num,
+ const struct pwl_float_data_ex *rgb_ex)
+{
+ struct hw_x_point *coords = coordinates_x;
+ uint32_t i = 0;
+ const struct pwl_float_data_ex *rgb_regamma = rgb_ex;
+
+ while (i <= hw_points_num) {
+ coords->regamma_y_red = rgb_regamma->r;
+ coords->regamma_y_green = rgb_regamma->g;
+ coords->regamma_y_blue = rgb_regamma->b;
+
+ ++coords;
+ ++rgb_regamma;
+ ++i;
+ }
+}
+
+static bool calculate_interpolated_hardware_curve(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff128,
+ struct pwl_float_data *rgb_user,
+ const struct hw_x_point *coordinates_x,
+ const struct gamma_pixel *axis_x,
+ uint32_t number_of_points,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+
+ const struct pixel_gamma_point *coeff = coeff128;
+ uint32_t max_entries = 3 - 1;
+
+ uint32_t i = 0;
+
+ for (i = 0; i < 3; i++) {
+ if (!build_custom_gamma_mapping_coefficients_worker(
+ ramp, coeff128, coordinates_x, axis_x, i,
+ number_of_points))
+ return false;
+ }
+
+ i = 0;
+ max_entries += ramp->num_entries;
+
+ /* TODO: float point case */
+
+ while (i <= number_of_points) {
+ tf_pts->red[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_RED, max_entries);
+ tf_pts->green[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_GREEN, max_entries);
+ tf_pts->blue[i] = calculate_mapped_value(
+ rgb_user, coeff, CHANNEL_NAME_BLUE, max_entries);
+
+ ++coeff;
+ ++i;
+ }
+
+ return true;
+}
+
+static void build_new_custom_resulted_curve(
+ uint32_t hw_points_num,
+ struct dc_transfer_func_distributed_points *tf_pts)
+{
+ uint32_t i;
+
+ i = 0;
+
+ while (i != hw_points_num + 1) {
+ tf_pts->red[i] = dal_fixed31_32_clamp(
+ tf_pts->red[i], dal_fixed31_32_zero,
+ dal_fixed31_32_one);
+ tf_pts->green[i] = dal_fixed31_32_clamp(
+ tf_pts->green[i], dal_fixed31_32_zero,
+ dal_fixed31_32_one);
+ tf_pts->blue[i] = dal_fixed31_32_clamp(
+ tf_pts->blue[i], dal_fixed31_32_zero,
+ dal_fixed31_32_one);
+
+ ++i;
+ }
+}
+
+static bool map_regamma_hw_to_x_user(
+ const struct dc_gamma *ramp,
+ struct pixel_gamma_point *coeff128,
+ struct pwl_float_data *rgb_user,
+ struct hw_x_point *coords_x,
+ const struct gamma_pixel *axis_x,
+ const struct pwl_float_data_ex *rgb_regamma,
+ uint32_t hw_points_num,
+ struct dc_transfer_func_distributed_points *tf_pts,
+ bool mapUserRamp)
+{
+ /* setup to spare calculated ideal regamma values */
+
+ int i = 0;
+ struct hw_x_point *coords = coords_x;
+ const struct pwl_float_data_ex *regamma = rgb_regamma;
+
+ if (mapUserRamp) {
+ copy_rgb_regamma_to_coordinates_x(coords,
+ hw_points_num,
+ rgb_regamma);
+
+ calculate_interpolated_hardware_curve(
+ ramp, coeff128, rgb_user, coords, axis_x,
+ hw_points_num, tf_pts);
+ } else {
+ /* just copy current rgb_regamma into tf_pts */
+ while (i <= hw_points_num) {
+ tf_pts->red[i] = regamma->r;
+ tf_pts->green[i] = regamma->g;
+ tf_pts->blue[i] = regamma->b;
+
+ ++regamma;
+ ++i;
+ }
+ }
+
+ build_new_custom_resulted_curve(hw_points_num, tf_pts);
+
+ return true;
+}
+
+#define _EXTRA_POINTS 3
+
+bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp)
+{
+ struct dc_transfer_func_distributed_points *tf_pts = &output_tf->tf_pts;
+ struct dividers dividers;
+
+ struct pwl_float_data *rgb_user = NULL;
+ struct pwl_float_data_ex *rgb_regamma = NULL;
+ struct gamma_pixel *axix_x = NULL;
+ struct pixel_gamma_point *coeff = NULL;
+ enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
+ bool ret = false;
+
+ if (output_tf->type == TF_TYPE_BYPASS)
+ return false;
+
+ /* we can use hardcoded curve for plain SRGB TF */
+ if (output_tf->type == TF_TYPE_PREDEFINED &&
+ output_tf->tf == TRANSFER_FUNCTION_SRGB &&
+ (!mapUserRamp && ramp->type == GAMMA_RGB_256))
+ return true;
+
+ output_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ rgb_user = kzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
+ GFP_KERNEL);
+ if (!rgb_user)
+ goto rgb_user_alloc_fail;
+ rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS + _EXTRA_POINTS),
+ GFP_KERNEL);
+ if (!rgb_regamma)
+ goto rgb_regamma_alloc_fail;
+ axix_x = kzalloc(sizeof(*axix_x) * (ramp->num_entries + 3),
+ GFP_KERNEL);
+ if (!axix_x)
+ goto axix_x_alloc_fail;
+ coeff = kzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
+ if (!coeff)
+ goto coeff_alloc_fail;
+
+ dividers.divider1 = dal_fixed31_32_from_fraction(3, 2);
+ dividers.divider2 = dal_fixed31_32_from_int(2);
+ dividers.divider3 = dal_fixed31_32_from_fraction(5, 2);
+
+ tf = output_tf->tf;
+
+ build_evenly_distributed_points(
+ axix_x,
+ ramp->num_entries,
+ dividers);
+
+ if (ramp->type == GAMMA_RGB_256 && mapUserRamp)
+ scale_gamma(rgb_user, ramp, dividers);
+ else if (ramp->type == GAMMA_RGB_FLOAT_1024)
+ scale_gamma_dx(rgb_user, ramp, dividers);
+
+ if (tf == TRANSFER_FUNCTION_PQ) {
+ tf_pts->end_exponent = 7;
+ tf_pts->x_point_at_y1_red = 125;
+ tf_pts->x_point_at_y1_green = 125;
+ tf_pts->x_point_at_y1_blue = 125;
+
+ build_pq(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ output_tf->sdr_ref_white_level);
+ } else {
+ tf_pts->end_exponent = 0;
+ tf_pts->x_point_at_y1_red = 1;
+ tf_pts->x_point_at_y1_green = 1;
+ tf_pts->x_point_at_y1_blue = 1;
+
+ build_regamma(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x, tf == TRANSFER_FUNCTION_SRGB ? true:false);
+ }
+
+ map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
+ coordinates_x, axix_x, rgb_regamma,
+ MAX_HW_POINTS, tf_pts,
+ (mapUserRamp || ramp->type != GAMMA_RGB_256) &&
+ ramp->type != GAMMA_CS_TFM_1D);
+
+ if (ramp->type == GAMMA_CS_TFM_1D)
+ apply_lut_1d(ramp, MAX_HW_POINTS, tf_pts);
+
+ ret = true;
+
+ kfree(coeff);
+coeff_alloc_fail:
+ kfree(axix_x);
+axix_x_alloc_fail:
+ kfree(rgb_regamma);
+rgb_regamma_alloc_fail:
+ kfree(rgb_user);
+rgb_user_alloc_fail:
+ return ret;
+}
+
+bool mod_color_calculate_degamma_params(struct dc_transfer_func *input_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp)
+{
+ struct dc_transfer_func_distributed_points *tf_pts = &input_tf->tf_pts;
+ struct dividers dividers;
+
+ struct pwl_float_data *rgb_user = NULL;
+ struct pwl_float_data_ex *curve = NULL;
+ struct gamma_pixel *axix_x = NULL;
+ struct pixel_gamma_point *coeff = NULL;
+ enum dc_transfer_func_predefined tf = TRANSFER_FUNCTION_SRGB;
+ bool ret = false;
+
+ if (input_tf->type == TF_TYPE_BYPASS)
+ return false;
+
+ /* we can use hardcoded curve for plain SRGB TF */
+ if (input_tf->type == TF_TYPE_PREDEFINED &&
+ input_tf->tf == TRANSFER_FUNCTION_SRGB &&
+ (!mapUserRamp && ramp->type == GAMMA_RGB_256))
+ return true;
+
+ input_tf->type = TF_TYPE_DISTRIBUTED_POINTS;
+
+ rgb_user = kzalloc(sizeof(*rgb_user) * (ramp->num_entries + _EXTRA_POINTS),
+ GFP_KERNEL);
+ if (!rgb_user)
+ goto rgb_user_alloc_fail;
+ curve = kzalloc(sizeof(*curve) * (MAX_HW_POINTS + _EXTRA_POINTS),
+ GFP_KERNEL);
+ if (!curve)
+ goto curve_alloc_fail;
+ axix_x = kzalloc(sizeof(*axix_x) * (ramp->num_entries + _EXTRA_POINTS),
+ GFP_KERNEL);
+ if (!axix_x)
+ goto axix_x_alloc_fail;
+ coeff = kzalloc(sizeof(*coeff) * (MAX_HW_POINTS + _EXTRA_POINTS), GFP_KERNEL);
+ if (!coeff)
+ goto coeff_alloc_fail;
+
+ dividers.divider1 = dal_fixed31_32_from_fraction(3, 2);
+ dividers.divider2 = dal_fixed31_32_from_int(2);
+ dividers.divider3 = dal_fixed31_32_from_fraction(5, 2);
+
+ tf = input_tf->tf;
+
+ build_evenly_distributed_points(
+ axix_x,
+ ramp->num_entries,
+ dividers);
+
+ if (ramp->type == GAMMA_RGB_256 && mapUserRamp)
+ scale_gamma(rgb_user, ramp, dividers);
+ else if (ramp->type == GAMMA_RGB_FLOAT_1024)
+ scale_gamma_dx(rgb_user, ramp, dividers);
+
+ if (tf == TRANSFER_FUNCTION_PQ)
+ build_de_pq(curve,
+ MAX_HW_POINTS,
+ coordinates_x);
+ else
+ build_degamma(curve,
+ MAX_HW_POINTS,
+ coordinates_x,
+ tf == TRANSFER_FUNCTION_SRGB ? true:false);
+
+ tf_pts->end_exponent = 0;
+ tf_pts->x_point_at_y1_red = 1;
+ tf_pts->x_point_at_y1_green = 1;
+ tf_pts->x_point_at_y1_blue = 1;
+
+ map_regamma_hw_to_x_user(ramp, coeff, rgb_user,
+ coordinates_x, axix_x, curve,
+ MAX_HW_POINTS, tf_pts,
+ mapUserRamp);
+
+ ret = true;
+
+ kfree(coeff);
+coeff_alloc_fail:
+ kfree(axix_x);
+axix_x_alloc_fail:
+ kfree(curve);
+curve_alloc_fail:
+ kfree(rgb_user);
+rgb_user_alloc_fail:
+
+ return ret;
+
+}
+
+
+bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points)
+{
+ uint32_t i;
+ bool ret = false;
+ struct pwl_float_data_ex *rgb_regamma = NULL;
+
+ if (trans == TRANSFER_FUNCTION_UNITY ||
+ trans == TRANSFER_FUNCTION_LINEAR) {
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = coordinates_x[i].x;
+ points->green[i] = coordinates_x[i].x;
+ points->blue[i] = coordinates_x[i].x;
+ }
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_PQ) {
+ rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS +
+ _EXTRA_POINTS), GFP_KERNEL);
+ if (!rgb_regamma)
+ goto rgb_regamma_alloc_fail;
+ points->end_exponent = 7;
+ points->x_point_at_y1_red = 125;
+ points->x_point_at_y1_green = 125;
+ points->x_point_at_y1_blue = 125;
+
+
+ build_pq(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x,
+ 80);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_regamma[i].r;
+ points->green[i] = rgb_regamma[i].g;
+ points->blue[i] = rgb_regamma[i].b;
+ }
+ ret = true;
+
+ kfree(rgb_regamma);
+ } else if (trans == TRANSFER_FUNCTION_SRGB ||
+ trans == TRANSFER_FUNCTION_BT709) {
+ rgb_regamma = kzalloc(sizeof(*rgb_regamma) * (MAX_HW_POINTS +
+ _EXTRA_POINTS), GFP_KERNEL);
+ if (!rgb_regamma)
+ goto rgb_regamma_alloc_fail;
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+ build_regamma(rgb_regamma,
+ MAX_HW_POINTS,
+ coordinates_x, trans == TRANSFER_FUNCTION_SRGB ? true:false);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_regamma[i].r;
+ points->green[i] = rgb_regamma[i].g;
+ points->blue[i] = rgb_regamma[i].b;
+ }
+ ret = true;
+
+ kfree(rgb_regamma);
+ }
+rgb_regamma_alloc_fail:
+ return ret;
+}
+
+
+bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points)
+{
+ uint32_t i;
+ bool ret = false;
+ struct pwl_float_data_ex *rgb_degamma = NULL;
+
+ if (trans == TRANSFER_FUNCTION_UNITY ||
+ trans == TRANSFER_FUNCTION_LINEAR) {
+
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = coordinates_x[i].x;
+ points->green[i] = coordinates_x[i].x;
+ points->blue[i] = coordinates_x[i].x;
+ }
+ ret = true;
+ } else if (trans == TRANSFER_FUNCTION_PQ) {
+ rgb_degamma = kzalloc(sizeof(*rgb_degamma) * (MAX_HW_POINTS +
+ _EXTRA_POINTS), GFP_KERNEL);
+ if (!rgb_degamma)
+ goto rgb_degamma_alloc_fail;
+
+
+ build_de_pq(rgb_degamma,
+ MAX_HW_POINTS,
+ coordinates_x);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_degamma[i].r;
+ points->green[i] = rgb_degamma[i].g;
+ points->blue[i] = rgb_degamma[i].b;
+ }
+ ret = true;
+
+ kfree(rgb_degamma);
+ } else if (trans == TRANSFER_FUNCTION_SRGB ||
+ trans == TRANSFER_FUNCTION_BT709) {
+ rgb_degamma = kzalloc(sizeof(*rgb_degamma) * (MAX_HW_POINTS +
+ _EXTRA_POINTS), GFP_KERNEL);
+ if (!rgb_degamma)
+ goto rgb_degamma_alloc_fail;
+
+ build_degamma(rgb_degamma,
+ MAX_HW_POINTS,
+ coordinates_x, trans == TRANSFER_FUNCTION_SRGB ? true:false);
+ for (i = 0; i <= MAX_HW_POINTS ; i++) {
+ points->red[i] = rgb_degamma[i].r;
+ points->green[i] = rgb_degamma[i].g;
+ points->blue[i] = rgb_degamma[i].b;
+ }
+ ret = true;
+
+ kfree(rgb_degamma);
+ }
+ points->end_exponent = 0;
+ points->x_point_at_y1_red = 1;
+ points->x_point_at_y1_green = 1;
+ points->x_point_at_y1_blue = 1;
+
+rgb_degamma_alloc_fail:
+ return ret;
+}
+
+
diff --git a/drivers/gpu/drm/amd/display/modules/color/color_gamma.h b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
new file mode 100644
index 000000000000..b7f9bc27d101
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/color/color_gamma.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2016 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 COLOR_MOD_COLOR_GAMMA_H_
+#define COLOR_MOD_COLOR_GAMMA_H_
+
+struct dc_transfer_func;
+struct dc_gamma;
+struct dc_transfer_func_distributed_points;
+struct dc_rgb_fixed;
+enum dc_transfer_func_predefined;
+
+void setup_x_points_distribution(void);
+void precompute_pq(void);
+void precompute_de_pq(void);
+
+bool mod_color_calculate_regamma_params(struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp);
+
+bool mod_color_calculate_degamma_params(struct dc_transfer_func *output_tf,
+ const struct dc_gamma *ramp, bool mapUserRamp);
+
+bool mod_color_calculate_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points);
+
+bool mod_color_calculate_degamma_curve(enum dc_transfer_func_predefined trans,
+ struct dc_transfer_func_distributed_points *points);
+
+
+
+#endif /* COLOR_MOD_COLOR_GAMMA_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index b4723af368a5..27d4003aa2c7 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -33,7 +33,7 @@
/* Refresh rate ramp at a fixed rate of 65 Hz/second */
#define STATIC_SCREEN_RAMP_DELTA_REFRESH_RATE_PER_FRAME ((1000 / 60) * 65)
/* Number of elements in the render times cache array */
-#define RENDER_TIMES_MAX_COUNT 20
+#define RENDER_TIMES_MAX_COUNT 10
/* Threshold to exit BTR (to avoid frequent enter-exits at the lower limit) */
#define BTR_EXIT_MARGIN 2000
/* Number of consecutive frames to check before entering/exiting fixed refresh*/
@@ -46,13 +46,15 @@
#define FREESYNC_NO_STATIC_FOR_INTERNAL_REGKEY "DalFreeSyncNoStaticForInternal"
+#define FREESYNC_DEFAULT_REGKEY "LCDFreeSyncDefault"
+
struct gradual_static_ramp {
bool ramp_is_active;
bool ramp_direction_is_up;
unsigned int ramp_current_frame_duration_in_ns;
};
-struct time_cache {
+struct freesync_time {
/* video (48Hz feature) related */
unsigned int update_duration_in_ns;
@@ -64,6 +66,9 @@ struct time_cache {
unsigned int render_times_index;
unsigned int render_times[RENDER_TIMES_MAX_COUNT];
+
+ unsigned int min_window;
+ unsigned int max_window;
};
struct below_the_range {
@@ -98,11 +103,14 @@ struct freesync_state {
bool static_screen;
bool video;
+ unsigned int vmin;
+ unsigned int vmax;
+
+ struct freesync_time time;
+
unsigned int nominal_refresh_rate_in_micro_hz;
bool windowed_fullscreen;
- struct time_cache time;
-
struct gradual_static_ramp static_ramp;
struct below_the_range btr;
struct fixed_refresh fixed_refresh;
@@ -119,14 +127,16 @@ struct freesync_entity {
struct freesync_registry_options {
bool drr_external_supported;
bool drr_internal_supported;
+ bool lcd_freesync_default_set;
+ int lcd_freesync_default_value;
};
struct core_freesync {
struct mod_freesync public;
struct dc *dc;
+ struct freesync_registry_options opts;
struct freesync_entity *map;
int num_entities;
- struct freesync_registry_options opts;
};
#define MOD_FREESYNC_TO_CORE(mod_freesync)\
@@ -146,7 +156,7 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
goto fail_alloc_context;
core_freesync->map = kzalloc(sizeof(struct freesync_entity) * MOD_FREESYNC_MAX_CONCURRENT_STREAMS,
- GFP_KERNEL);
+ GFP_KERNEL);
if (core_freesync->map == NULL)
goto fail_alloc_map;
@@ -183,6 +193,16 @@ struct mod_freesync *mod_freesync_create(struct dc *dc)
(data & 1) ? false : true;
}
+ if (dm_read_persistent_data(dc->ctx, NULL, NULL,
+ FREESYNC_DEFAULT_REGKEY,
+ &data, sizeof(data), &flag)) {
+ core_freesync->opts.lcd_freesync_default_set = true;
+ core_freesync->opts.lcd_freesync_default_value = data;
+ } else {
+ core_freesync->opts.lcd_freesync_default_set = false;
+ core_freesync->opts.lcd_freesync_default_value = 0;
+ }
+
return &core_freesync->public;
fail_construct:
@@ -288,6 +308,18 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
core_freesync->map[core_freesync->num_entities].user_enable.
enable_for_video =
(persistent_freesync_enable & 4) ? true : false;
+ /* If FreeSync display and LCDFreeSyncDefault is set, use as default values write back to userenable */
+ } else if (caps->supported && (core_freesync->opts.lcd_freesync_default_set)) {
+ core_freesync->map[core_freesync->num_entities].user_enable.enable_for_gaming =
+ (core_freesync->opts.lcd_freesync_default_value & 1) ? true : false;
+ core_freesync->map[core_freesync->num_entities].user_enable.enable_for_static =
+ (core_freesync->opts.lcd_freesync_default_value & 2) ? true : false;
+ core_freesync->map[core_freesync->num_entities].user_enable.enable_for_video =
+ (core_freesync->opts.lcd_freesync_default_value & 4) ? true : false;
+ dm_write_persistent_data(dc->ctx, stream->sink,
+ FREESYNC_REGISTRY_NAME,
+ "userenable", &core_freesync->opts.lcd_freesync_default_value,
+ sizeof(int), &flag);
} else {
core_freesync->map[core_freesync->num_entities].user_enable.
enable_for_gaming = false;
@@ -330,6 +362,25 @@ bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
return true;
}
+static void adjust_vmin_vmax(struct core_freesync *core_freesync,
+ struct dc_stream_state **streams,
+ int num_streams,
+ int map_index,
+ unsigned int v_total_min,
+ unsigned int v_total_max)
+{
+ if (num_streams == 0 || streams == NULL || num_streams > 1)
+ return;
+
+ core_freesync->map[map_index].state.vmin = v_total_min;
+ core_freesync->map[map_index].state.vmax = v_total_max;
+
+ dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
+ num_streams, v_total_min,
+ v_total_max);
+}
+
+
static void update_stream_freesync_context(struct core_freesync *core_freesync,
struct dc_stream_state *stream)
{
@@ -588,9 +639,10 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
update_stream_freesync_context(core_freesync,
streams[stream_idx]);
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, v_total_min,
- v_total_max);
+ adjust_vmin_vmax(core_freesync, streams,
+ num_streams, map_index,
+ v_total_min,
+ v_total_max);
return true;
@@ -613,9 +665,10 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
core_freesync,
streams[stream_idx]);
- dc_stream_adjust_vmin_vmax(
- core_freesync->dc, streams,
- num_streams, v_total_nominal,
+ adjust_vmin_vmax(
+ core_freesync, streams,
+ num_streams, map_index,
+ v_total_nominal,
v_total_nominal);
}
return true;
@@ -632,9 +685,10 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
core_freesync,
streams[stream_idx]);
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, v_total_nominal,
- v_total_nominal);
+ adjust_vmin_vmax(core_freesync, streams,
+ num_streams, map_index,
+ v_total_nominal,
+ v_total_nominal);
/* Reset the cached variables */
reset_freesync_state_variables(state);
@@ -650,9 +704,10 @@ static bool set_freesync_on_streams(struct core_freesync *core_freesync,
* not support freesync because a former stream has
* be programmed
*/
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, v_total_nominal,
- v_total_nominal);
+ adjust_vmin_vmax(core_freesync, streams,
+ num_streams, map_index,
+ v_total_nominal,
+ v_total_nominal);
/* Reset the cached variables */
reset_freesync_state_variables(state);
}
@@ -769,8 +824,9 @@ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
vmin = inserted_frame_v_total;
/* Program V_TOTAL */
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, vmin, vmax);
+ adjust_vmin_vmax(core_freesync, streams,
+ num_streams, index,
+ vmin, vmax);
}
if (state->btr.frame_counter > 0)
@@ -804,9 +860,10 @@ void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
update_stream_freesync_context(core_freesync, streams[0]);
/* Program static screen ramp values */
- dc_stream_adjust_vmin_vmax(core_freesync->dc, streams,
- num_streams, v_total,
- v_total);
+ adjust_vmin_vmax(core_freesync, streams,
+ num_streams, index,
+ v_total,
+ v_total);
triggers.overlay_update = true;
triggers.surface_update = true;
@@ -1063,9 +1120,9 @@ bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
max_refresh);
/* Program vtotal min/max */
- dc_stream_adjust_vmin_vmax(core_freesync->dc, &streams, 1,
- state->freesync_range.vmin,
- state->freesync_range.vmax);
+ adjust_vmin_vmax(core_freesync, &streams, 1, index,
+ state->freesync_range.vmin,
+ state->freesync_range.vmax);
}
if (min_refresh != 0 &&
@@ -1399,11 +1456,9 @@ static void apply_fixed_refresh(struct core_freesync *core_freesync,
} else {
vmin = state->freesync_range.vmin;
-
vmax = vmin;
-
- dc_stream_adjust_vmin_vmax(core_freesync->dc, &stream,
- 1, vmin, vmax);
+ adjust_vmin_vmax(core_freesync, &stream, map_index,
+ 1, vmin, vmax);
}
}
@@ -1457,3 +1512,43 @@ void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
}
}
+
+void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
+ struct dc_stream_state **streams, int num_streams,
+ unsigned int *v_total_min, unsigned int *v_total_max,
+ unsigned int *event_triggers,
+ unsigned int *window_min, unsigned int *window_max,
+ unsigned int *lfc_mid_point_in_us,
+ unsigned int *inserted_frames,
+ unsigned int *inserted_duration_in_us)
+{
+ unsigned int stream_index, map_index;
+ struct core_freesync *core_freesync = NULL;
+
+ if (mod_freesync == NULL)
+ return;
+
+ core_freesync = MOD_FREESYNC_TO_CORE(mod_freesync);
+
+ for (stream_index = 0; stream_index < num_streams; stream_index++) {
+
+ map_index = map_index_from_stream(core_freesync,
+ streams[stream_index]);
+
+ if (core_freesync->map[map_index].caps->supported) {
+ struct freesync_state state =
+ core_freesync->map[map_index].state;
+ *v_total_min = state.vmin;
+ *v_total_max = state.vmax;
+ *event_triggers = 0;
+ *window_min = state.time.min_window;
+ *window_max = state.time.max_window;
+ *lfc_mid_point_in_us = state.btr.mid_point_in_us;
+ *inserted_frames = state.btr.frames_to_insert;
+ *inserted_duration_in_us =
+ state.btr.inserted_frame_duration_in_us;
+ }
+
+ }
+}
+
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
index 84b53425f2c8..f083e1619dbe 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
@@ -164,4 +164,13 @@ void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams,
unsigned int curr_time_stamp);
+void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
+ struct dc_stream_state **streams, int num_streams,
+ unsigned int *v_total_min, unsigned int *v_total_max,
+ unsigned int *event_triggers,
+ unsigned int *window_min, unsigned int *window_max,
+ unsigned int *lfc_mid_point_in_us,
+ unsigned int *inserted_frames,
+ unsigned int *inserted_duration_in_us);
+
#endif
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
new file mode 100644
index 000000000000..3230e2adb870
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright 2016 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_INC_MOD_STATS_H_
+#define MODULES_INC_MOD_STATS_H_
+
+#include "dm_services.h"
+
+struct mod_stats {
+ int dummy;
+};
+
+struct mod_stats_caps {
+ bool dummy;
+};
+
+struct mod_stats *mod_stats_create(struct dc *dc);
+
+void mod_stats_destroy(struct mod_stats *mod_stats);
+
+bool mod_stats_init(struct mod_stats *mod_stats);
+
+void mod_stats_dump(struct mod_stats *mod_stats);
+
+void mod_stats_reset_data(struct mod_stats *mod_stats);
+
+void mod_stats_update_flip(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns);
+
+void mod_stats_update_vupdate(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns);
+
+void mod_stats_update_freesync(struct mod_stats *mod_stats,
+ unsigned int v_total_min,
+ unsigned int v_total_max,
+ unsigned int event_triggers,
+ unsigned int window_min,
+ unsigned int window_max,
+ unsigned int lfc_mid_point_in_us,
+ unsigned int inserted_frames,
+ unsigned int inserted_frame_duration_in_us);
+
+#endif /* MODULES_INC_MOD_STATS_H_ */
diff --git a/drivers/gpu/drm/amd/display/modules/stats/stats.c b/drivers/gpu/drm/amd/display/modules/stats/stats.c
new file mode 100644
index 000000000000..041f87b73d5f
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/modules/stats/stats.c
@@ -0,0 +1,334 @@
+/*
+ * Copyright 2016 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 "mod_stats.h"
+#include "dm_services.h"
+#include "dc.h"
+#include "core_types.h"
+
+#define DAL_STATS_ENABLE_REGKEY "DalStatsEnable"
+#define DAL_STATS_ENABLE_REGKEY_DEFAULT 0x00000001
+#define DAL_STATS_ENABLE_REGKEY_ENABLED 0x00000001
+
+#define DAL_STATS_ENTRIES_REGKEY "DalStatsEntries"
+#define DAL_STATS_ENTRIES_REGKEY_DEFAULT 0x00350000
+#define DAL_STATS_ENTRIES_REGKEY_MAX 0x01000000
+
+#define MOD_STATS_NUM_VSYNCS 5
+
+struct stats_time_cache {
+ unsigned long flip_timestamp_in_ns;
+ unsigned long vupdate_timestamp_in_ns;
+
+ unsigned int render_time_in_us;
+ unsigned int avg_render_time_in_us_last_ten;
+ unsigned int v_sync_time_in_us[MOD_STATS_NUM_VSYNCS];
+ unsigned int num_vsync_between_flips;
+
+ unsigned int flip_to_vsync_time_in_us;
+ unsigned int vsync_to_flip_time_in_us;
+
+ unsigned int min_window;
+ unsigned int max_window;
+ unsigned int v_total_min;
+ unsigned int v_total_max;
+ unsigned int event_triggers;
+
+ unsigned int lfc_mid_point_in_us;
+ unsigned int num_frames_inserted;
+ unsigned int inserted_duration_in_us;
+
+ unsigned int flags;
+};
+
+struct core_stats {
+ struct mod_stats public;
+ struct dc *dc;
+
+ struct stats_time_cache *time;
+ unsigned int index;
+
+ bool enabled;
+ unsigned int entries;
+};
+
+#define MOD_STATS_TO_CORE(mod_stats)\
+ container_of(mod_stats, struct core_stats, public)
+
+bool mod_stats_init(struct mod_stats *mod_stats)
+{
+ bool result = false;
+ struct core_stats *core_stats = NULL;
+ struct dc *dc = NULL;
+
+ if (mod_stats == NULL)
+ return false;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+ dc = core_stats->dc;
+
+ return result;
+}
+
+struct mod_stats *mod_stats_create(struct dc *dc)
+{
+ struct core_stats *core_stats = NULL;
+ struct persistent_data_flag flag;
+ unsigned int reg_data;
+ int i = 0;
+
+ core_stats = kzalloc(sizeof(struct core_stats), GFP_KERNEL);
+
+ if (core_stats == NULL)
+ goto fail_alloc_context;
+
+ if (dc == NULL)
+ goto fail_construct;
+
+ core_stats->dc = dc;
+
+ core_stats->enabled = DAL_STATS_ENABLE_REGKEY_DEFAULT;
+ if (dm_read_persistent_data(dc->ctx, NULL, NULL,
+ DAL_STATS_ENABLE_REGKEY,
+ &reg_data, sizeof(unsigned int), &flag))
+ core_stats->enabled = reg_data;
+
+ core_stats->entries = DAL_STATS_ENTRIES_REGKEY_DEFAULT;
+ if (dm_read_persistent_data(dc->ctx, NULL, NULL,
+ DAL_STATS_ENTRIES_REGKEY,
+ &reg_data, sizeof(unsigned int), &flag)) {
+ if (reg_data > DAL_STATS_ENTRIES_REGKEY_MAX)
+ core_stats->entries = DAL_STATS_ENTRIES_REGKEY_MAX;
+ else
+ core_stats->entries = reg_data;
+ }
+
+ core_stats->time = kzalloc(sizeof(struct stats_time_cache) * core_stats->entries,
+ GFP_KERNEL);
+
+ if (core_stats->time == NULL)
+ goto fail_construct;
+
+ /* Purposely leave index 0 unused so we don't need special logic to
+ * handle calculation cases that depend on previous flip data.
+ */
+ core_stats->index = 1;
+
+ return &core_stats->public;
+
+fail_construct:
+ kfree(core_stats);
+
+fail_alloc_context:
+ return NULL;
+}
+
+void mod_stats_destroy(struct mod_stats *mod_stats)
+{
+ if (mod_stats != NULL) {
+ struct core_stats *core_stats = MOD_STATS_TO_CORE(mod_stats);
+
+ if (core_stats->time != NULL)
+ kfree(core_stats->time);
+
+ kfree(core_stats);
+ }
+}
+
+void mod_stats_dump(struct mod_stats *mod_stats)
+{
+ struct dc *dc = NULL;
+ struct dal_logger *logger = NULL;
+ struct core_stats *core_stats = NULL;
+ struct stats_time_cache *time = NULL;
+ unsigned int index = 0;
+
+ if (mod_stats == NULL)
+ return;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+ dc = core_stats->dc;
+ logger = dc->ctx->logger;
+ time = core_stats->time;
+
+ //LogEntry* pLog = GetLog()->Open(LogMajor_ISR, LogMinor_ISR_FreeSyncSW);
+
+ //if (!pLog->IsDummyEntry())
+ {
+ dm_logger_write(logger, LOG_PROFILING, "==Display Caps==\n");
+ dm_logger_write(logger, LOG_PROFILING, "\n");
+ dm_logger_write(logger, LOG_PROFILING, "\n");
+
+ dm_logger_write(logger, LOG_PROFILING, "==Stats==\n");
+ dm_logger_write(logger, LOG_PROFILING,
+ "render avgRender minWindow midPoint maxWindow vsyncToFlip flipToVsync #vsyncBetweenFlip #frame insertDuration vTotalMin vTotalMax eventTrigs vSyncTime1 vSyncTime2 vSyncTime3 vSyncTime4 vSyncTime5 flags\n");
+
+ for (int i = 0; i < core_stats->index && i < core_stats->entries; i++) {
+ dm_logger_write(logger, LOG_PROFILING,
+ "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u\n",
+ time[i].render_time_in_us,
+ time[i].avg_render_time_in_us_last_ten,
+ time[i].min_window,
+ time[i].lfc_mid_point_in_us,
+ time[i].max_window,
+ time[i].vsync_to_flip_time_in_us,
+ time[i].flip_to_vsync_time_in_us,
+ time[i].num_vsync_between_flips,
+ time[i].num_frames_inserted,
+ time[i].inserted_duration_in_us,
+ time[i].v_total_min,
+ time[i].v_total_max,
+ time[i].event_triggers,
+ time[i].v_sync_time_in_us[0],
+ time[i].v_sync_time_in_us[1],
+ time[i].v_sync_time_in_us[2],
+ time[i].v_sync_time_in_us[3],
+ time[i].v_sync_time_in_us[4],
+ time[i].flags);
+ }
+ }
+ //GetLog()->Close(pLog);
+ //GetLog()->UnSetLogMask(LogMajor_ISR, LogMinor_ISR_FreeSyncSW);
+}
+
+void mod_stats_reset_data(struct mod_stats *mod_stats)
+{
+ struct core_stats *core_stats = NULL;
+ struct stats_time_cache *time = NULL;
+ unsigned int index = 0;
+
+ if (mod_stats == NULL)
+ return;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+
+ memset(core_stats->time, 0,
+ sizeof(struct stats_time_cache) * core_stats->entries);
+
+ core_stats->index = 0;
+}
+
+void mod_stats_update_flip(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns)
+{
+ struct core_stats *core_stats = NULL;
+ struct stats_time_cache *time = NULL;
+ unsigned int index = 0;
+
+ if (mod_stats == NULL)
+ return;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+
+ if (core_stats->index >= core_stats->entries)
+ return;
+
+ time = core_stats->time;
+ index = core_stats->index;
+
+ time[index].flip_timestamp_in_ns = timestamp_in_ns;
+ time[index].render_time_in_us =
+ timestamp_in_ns - time[index - 1].flip_timestamp_in_ns;
+
+ if (index >= 10) {
+ for (unsigned int i = 0; i < 10; i++)
+ time[index].avg_render_time_in_us_last_ten +=
+ time[index - i].render_time_in_us;
+ time[index].avg_render_time_in_us_last_ten /= 10;
+ }
+
+ if (time[index].num_vsync_between_flips > 0)
+ time[index].vsync_to_flip_time_in_us =
+ timestamp_in_ns - time[index].vupdate_timestamp_in_ns;
+ else
+ time[index].vsync_to_flip_time_in_us =
+ timestamp_in_ns - time[index - 1].vupdate_timestamp_in_ns;
+
+ core_stats->index++;
+}
+
+void mod_stats_update_vupdate(struct mod_stats *mod_stats,
+ unsigned long timestamp_in_ns)
+{
+ struct core_stats *core_stats = NULL;
+ struct stats_time_cache *time = NULL;
+ unsigned int index = 0;
+
+ if (mod_stats == NULL)
+ return;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+
+ if (core_stats->index >= core_stats->entries)
+ return;
+
+ time = core_stats->time;
+ index = core_stats->index;
+
+ time[index].vupdate_timestamp_in_ns = timestamp_in_ns;
+ if (time[index].num_vsync_between_flips < MOD_STATS_NUM_VSYNCS)
+ time[index].v_sync_time_in_us[time[index].num_vsync_between_flips] =
+ timestamp_in_ns - time[index - 1].vupdate_timestamp_in_ns;
+ time[index].flip_to_vsync_time_in_us =
+ timestamp_in_ns - time[index - 1].flip_timestamp_in_ns;
+
+ time[index].num_vsync_between_flips++;
+}
+
+void mod_stats_update_freesync(struct mod_stats *mod_stats,
+ unsigned int v_total_min,
+ unsigned int v_total_max,
+ unsigned int event_triggers,
+ unsigned int window_min,
+ unsigned int window_max,
+ unsigned int lfc_mid_point_in_us,
+ unsigned int inserted_frames,
+ unsigned int inserted_duration_in_us)
+{
+ struct core_stats *core_stats = NULL;
+ struct stats_time_cache *time = NULL;
+ unsigned int index = 0;
+
+ if (mod_stats == NULL)
+ return;
+
+ core_stats = MOD_STATS_TO_CORE(mod_stats);
+
+ if (core_stats->index >= core_stats->entries)
+ return;
+
+ time = core_stats->time;
+ index = core_stats->index;
+
+ time[index].v_total_min = v_total_min;
+ time[index].v_total_max = v_total_max;
+ time[index].event_triggers = event_triggers;
+ time[index].min_window = window_min;
+ time[index].max_window = window_max;
+ time[index].lfc_mid_point_in_us = lfc_mid_point_in_us;
+ time[index].num_frames_inserted = inserted_frames;
+ time[index].inserted_duration_in_us = inserted_duration_in_us;
+}
+