LCOV - code coverage report
Current view: top level - drivers/gpu/drm/amd/display/dc/dce - dce_transform.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 432 0.0 %
Date: 2022-12-09 01:23:36 Functions: 0 29 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright 2012-16 Advanced Micro Devices, Inc.
       3             :  *
       4             :  * Permission is hereby granted, free of charge, to any person obtaining a
       5             :  * copy of this software and associated documentation files (the "Software"),
       6             :  * to deal in the Software without restriction, including without limitation
       7             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
       8             :  * and/or sell copies of the Software, and to permit persons to whom the
       9             :  * Software is furnished to do so, subject to the following conditions:
      10             :  *
      11             :  * The above copyright notice and this permission notice shall be included in
      12             :  * all copies or substantial portions of the Software.
      13             :  *
      14             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
      17             :  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
      18             :  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
      19             :  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
      20             :  * OTHER DEALINGS IN THE SOFTWARE.
      21             :  *
      22             :  * Authors: AMD
      23             :  *
      24             :  */
      25             : 
      26             : #include "dce_transform.h"
      27             : #include "reg_helper.h"
      28             : #include "opp.h"
      29             : #include "basics/conversion.h"
      30             : #include "dc.h"
      31             : 
      32             : #define REG(reg) \
      33             :         (xfm_dce->regs->reg)
      34             : 
      35             : #undef FN
      36             : #define FN(reg_name, field_name) \
      37             :         xfm_dce->xfm_shift->field_name, xfm_dce->xfm_mask->field_name
      38             : 
      39             : #define CTX \
      40             :         xfm_dce->base.ctx
      41             : #define DC_LOGGER \
      42             :         xfm_dce->base.ctx->logger
      43             : 
      44             : #define IDENTITY_RATIO(ratio) (dc_fixpt_u2d19(ratio) == (1 << 19))
      45             : #define GAMUT_MATRIX_SIZE 12
      46             : #define SCL_PHASES 16
      47             : 
      48             : enum dcp_out_trunc_round_mode {
      49             :         DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE,
      50             :         DCP_OUT_TRUNC_ROUND_MODE_ROUND
      51             : };
      52             : 
      53             : enum dcp_out_trunc_round_depth {
      54             :         DCP_OUT_TRUNC_ROUND_DEPTH_14BIT,
      55             :         DCP_OUT_TRUNC_ROUND_DEPTH_13BIT,
      56             :         DCP_OUT_TRUNC_ROUND_DEPTH_12BIT,
      57             :         DCP_OUT_TRUNC_ROUND_DEPTH_11BIT,
      58             :         DCP_OUT_TRUNC_ROUND_DEPTH_10BIT,
      59             :         DCP_OUT_TRUNC_ROUND_DEPTH_9BIT,
      60             :         DCP_OUT_TRUNC_ROUND_DEPTH_8BIT
      61             : };
      62             : 
      63             : /*  defines the various methods of bit reduction available for use */
      64             : enum dcp_bit_depth_reduction_mode {
      65             :         DCP_BIT_DEPTH_REDUCTION_MODE_DITHER,
      66             :         DCP_BIT_DEPTH_REDUCTION_MODE_ROUND,
      67             :         DCP_BIT_DEPTH_REDUCTION_MODE_TRUNCATE,
      68             :         DCP_BIT_DEPTH_REDUCTION_MODE_DISABLED,
      69             :         DCP_BIT_DEPTH_REDUCTION_MODE_INVALID
      70             : };
      71             : 
      72             : enum dcp_spatial_dither_mode {
      73             :         DCP_SPATIAL_DITHER_MODE_AAAA,
      74             :         DCP_SPATIAL_DITHER_MODE_A_AA_A,
      75             :         DCP_SPATIAL_DITHER_MODE_AABBAABB,
      76             :         DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC,
      77             :         DCP_SPATIAL_DITHER_MODE_INVALID
      78             : };
      79             : 
      80             : enum dcp_spatial_dither_depth {
      81             :         DCP_SPATIAL_DITHER_DEPTH_30BPP,
      82             :         DCP_SPATIAL_DITHER_DEPTH_24BPP
      83             : };
      84             : 
      85             : enum csc_color_mode {
      86             :         /* 00 - BITS2:0 Bypass */
      87             :         CSC_COLOR_MODE_GRAPHICS_BYPASS,
      88             :         /* 01 - hard coded coefficient TV RGB */
      89             :         CSC_COLOR_MODE_GRAPHICS_PREDEFINED,
      90             :         /* 04 - programmable OUTPUT CSC coefficient */
      91             :         CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC,
      92             : };
      93             : 
      94             : enum grph_color_adjust_option {
      95             :         GRPH_COLOR_MATRIX_HW_DEFAULT = 1,
      96             :         GRPH_COLOR_MATRIX_SW
      97             : };
      98             : 
      99             : static const struct out_csc_color_matrix global_color_matrix[] = {
     100             : { COLOR_SPACE_SRGB,
     101             :         { 0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0} },
     102             : { COLOR_SPACE_SRGB_LIMITED,
     103             :         { 0x1B60, 0, 0, 0x200, 0, 0x1B60, 0, 0x200, 0, 0, 0x1B60, 0x200} },
     104             : { COLOR_SPACE_YCBCR601,
     105             :         { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x82F, 0x1012, 0x31F, 0x200, 0xFB47,
     106             :                 0xF6B9, 0xE00, 0x1000} },
     107             : { COLOR_SPACE_YCBCR709, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x5D2, 0x1394, 0x1FA,
     108             :         0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} },
     109             : /* TODO: correct values below */
     110             : { COLOR_SPACE_YCBCR601_LIMITED, { 0xE00, 0xF447, 0xFDB9, 0x1000, 0x991,
     111             :         0x12C9, 0x3A6, 0x200, 0xFB47, 0xF6B9, 0xE00, 0x1000} },
     112             : { COLOR_SPACE_YCBCR709_LIMITED, { 0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3,
     113             :         0x24F, 0x200, 0xFCCB, 0xF535, 0xE00, 0x1000} }
     114             : };
     115             : 
     116           0 : static bool setup_scaling_configuration(
     117             :         struct dce_transform *xfm_dce,
     118             :         const struct scaler_data *data)
     119             : {
     120           0 :         REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);
     121             : 
     122           0 :         if (data->taps.h_taps + data->taps.v_taps <= 2) {
     123             :                 /* Set bypass */
     124           0 :                 if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
     125           0 :                         REG_UPDATE_2(SCL_MODE, SCL_MODE, 0, SCL_PSCL_EN, 0);
     126             :                 else
     127           0 :                         REG_UPDATE(SCL_MODE, SCL_MODE, 0);
     128             :                 return false;
     129             :         }
     130             : 
     131           0 :         REG_SET_2(SCL_TAP_CONTROL, 0,
     132             :                         SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1,
     133             :                         SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);
     134             : 
     135           0 :         if (data->format <= PIXEL_FORMAT_GRPH_END)
     136           0 :                 REG_UPDATE(SCL_MODE, SCL_MODE, 1);
     137             :         else
     138           0 :                 REG_UPDATE(SCL_MODE, SCL_MODE, 2);
     139             : 
     140           0 :         if (xfm_dce->xfm_mask->SCL_PSCL_EN != 0)
     141           0 :                 REG_UPDATE(SCL_MODE, SCL_PSCL_EN, 1);
     142             : 
     143             :         /* 1 - Replace out of bound pixels with edge */
     144           0 :         REG_SET(SCL_CONTROL, 0, SCL_BOUNDARY_MODE, 1);
     145             : 
     146           0 :         return true;
     147             : }
     148             : 
     149             : #if defined(CONFIG_DRM_AMD_DC_SI)
     150             : static bool dce60_setup_scaling_configuration(
     151             :         struct dce_transform *xfm_dce,
     152             :         const struct scaler_data *data)
     153             : {
     154             :         REG_SET(SCL_BYPASS_CONTROL, 0, SCL_BYPASS_MODE, 0);
     155             : 
     156             :         if (data->taps.h_taps + data->taps.v_taps <= 2) {
     157             :                 /* Set bypass */
     158             : 
     159             :                 /* DCE6 has no SCL_MODE register, skip scale mode programming */
     160             : 
     161             :                 return false;
     162             :         }
     163             : 
     164             :         REG_SET_2(SCL_TAP_CONTROL, 0,
     165             :                         SCL_H_NUM_OF_TAPS, data->taps.h_taps - 1,
     166             :                         SCL_V_NUM_OF_TAPS, data->taps.v_taps - 1);
     167             : 
     168             :         /* DCE6 has no SCL_MODE register, skip scale mode programming */
     169             : 
     170             :         /* DCE6 has no SCL_BOUNDARY_MODE bit, skip replace out of bound pixels */
     171             : 
     172             :         return true;
     173             : }
     174             : #endif
     175             : 
     176           0 : static void program_overscan(
     177             :                 struct dce_transform *xfm_dce,
     178             :                 const struct scaler_data *data)
     179             : {
     180           0 :         int overscan_right = data->h_active
     181           0 :                         - data->recout.x - data->recout.width;
     182           0 :         int overscan_bottom = data->v_active
     183           0 :                         - data->recout.y - data->recout.height;
     184             : 
     185           0 :         if (xfm_dce->base.ctx->dc->debug.visual_confirm != VISUAL_CONFIRM_DISABLE) {
     186           0 :                 overscan_bottom += 2;
     187           0 :                 overscan_right += 2;
     188             :         }
     189             : 
     190           0 :         if (overscan_right < 0) {
     191           0 :                 BREAK_TO_DEBUGGER();
     192           0 :                 overscan_right = 0;
     193             :         }
     194           0 :         if (overscan_bottom < 0) {
     195           0 :                 BREAK_TO_DEBUGGER();
     196           0 :                 overscan_bottom = 0;
     197             :         }
     198             : 
     199           0 :         REG_SET_2(EXT_OVERSCAN_LEFT_RIGHT, 0,
     200             :                         EXT_OVERSCAN_LEFT, data->recout.x,
     201             :                         EXT_OVERSCAN_RIGHT, overscan_right);
     202           0 :         REG_SET_2(EXT_OVERSCAN_TOP_BOTTOM, 0,
     203             :                         EXT_OVERSCAN_TOP, data->recout.y,
     204             :                         EXT_OVERSCAN_BOTTOM, overscan_bottom);
     205           0 : }
     206             : 
     207           0 : static void program_multi_taps_filter(
     208             :         struct dce_transform *xfm_dce,
     209             :         int taps,
     210             :         const uint16_t *coeffs,
     211             :         enum ram_filter_type filter_type)
     212             : {
     213             :         int phase, pair;
     214           0 :         int array_idx = 0;
     215           0 :         int taps_pairs = (taps + 1) / 2;
     216           0 :         int phases_to_program = SCL_PHASES / 2 + 1;
     217             : 
     218           0 :         uint32_t power_ctl = 0;
     219             : 
     220           0 :         if (!coeffs)
     221             :                 return;
     222             : 
     223             :         /*We need to disable power gating on coeff memory to do programming*/
     224           0 :         if (REG(DCFE_MEM_PWR_CTRL)) {
     225           0 :                 power_ctl = REG_READ(DCFE_MEM_PWR_CTRL);
     226           0 :                 REG_SET(DCFE_MEM_PWR_CTRL, power_ctl, SCL_COEFF_MEM_PWR_DIS, 1);
     227             : 
     228           0 :                 REG_WAIT(DCFE_MEM_PWR_STATUS, SCL_COEFF_MEM_PWR_STATE, 0, 1, 10);
     229             :         }
     230           0 :         for (phase = 0; phase < phases_to_program; phase++) {
     231             :                 /*we always program N/2 + 1 phases, total phases N, but N/2-1 are just mirror
     232             :                 phase 0 is unique and phase N/2 is unique if N is even*/
     233           0 :                 for (pair = 0; pair < taps_pairs; pair++) {
     234           0 :                         uint16_t odd_coeff = 0;
     235           0 :                         uint16_t even_coeff = coeffs[array_idx];
     236             : 
     237           0 :                         REG_SET_3(SCL_COEF_RAM_SELECT, 0,
     238             :                                         SCL_C_RAM_FILTER_TYPE, filter_type,
     239             :                                         SCL_C_RAM_PHASE, phase,
     240             :                                         SCL_C_RAM_TAP_PAIR_IDX, pair);
     241             : 
     242           0 :                         if (taps % 2 && pair == taps_pairs - 1)
     243           0 :                                 array_idx++;
     244             :                         else {
     245           0 :                                 odd_coeff = coeffs[array_idx + 1];
     246           0 :                                 array_idx += 2;
     247             :                         }
     248             : 
     249           0 :                         REG_SET_4(SCL_COEF_RAM_TAP_DATA, 0,
     250             :                                         SCL_C_RAM_EVEN_TAP_COEF_EN, 1,
     251             :                                         SCL_C_RAM_EVEN_TAP_COEF, even_coeff,
     252             :                                         SCL_C_RAM_ODD_TAP_COEF_EN, 1,
     253             :                                         SCL_C_RAM_ODD_TAP_COEF, odd_coeff);
     254             :                 }
     255             :         }
     256             : 
     257             :         /*We need to restore power gating on coeff memory to initial state*/
     258           0 :         if (REG(DCFE_MEM_PWR_CTRL))
     259           0 :                 REG_WRITE(DCFE_MEM_PWR_CTRL, power_ctl);
     260             : }
     261             : 
     262           0 : static void program_viewport(
     263             :         struct dce_transform *xfm_dce,
     264             :         const struct rect *view_port)
     265             : {
     266           0 :         REG_SET_2(VIEWPORT_START, 0,
     267             :                         VIEWPORT_X_START, view_port->x,
     268             :                         VIEWPORT_Y_START, view_port->y);
     269             : 
     270           0 :         REG_SET_2(VIEWPORT_SIZE, 0,
     271             :                         VIEWPORT_HEIGHT, view_port->height,
     272             :                         VIEWPORT_WIDTH, view_port->width);
     273             : 
     274             :         /* TODO: add stereo support */
     275           0 : }
     276             : 
     277           0 : static void calculate_inits(
     278             :         struct dce_transform *xfm_dce,
     279             :         const struct scaler_data *data,
     280             :         struct scl_ratios_inits *inits)
     281             : {
     282             :         struct fixed31_32 h_init;
     283             :         struct fixed31_32 v_init;
     284             : 
     285           0 :         inits->h_int_scale_ratio =
     286           0 :                 dc_fixpt_u2d19(data->ratios.horz) << 5;
     287           0 :         inits->v_int_scale_ratio =
     288           0 :                 dc_fixpt_u2d19(data->ratios.vert) << 5;
     289             : 
     290           0 :         h_init =
     291           0 :                 dc_fixpt_div_int(
     292             :                         dc_fixpt_add(
     293             :                                 data->ratios.horz,
     294           0 :                                 dc_fixpt_from_int(data->taps.h_taps + 1)),
     295             :                                 2);
     296           0 :         inits->h_init.integer = dc_fixpt_floor(h_init);
     297           0 :         inits->h_init.fraction = dc_fixpt_u0d19(h_init) << 5;
     298             : 
     299           0 :         v_init =
     300           0 :                 dc_fixpt_div_int(
     301             :                         dc_fixpt_add(
     302             :                                 data->ratios.vert,
     303           0 :                                 dc_fixpt_from_int(data->taps.v_taps + 1)),
     304             :                                 2);
     305           0 :         inits->v_init.integer = dc_fixpt_floor(v_init);
     306           0 :         inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
     307           0 : }
     308             : 
     309             : #if defined(CONFIG_DRM_AMD_DC_SI)
     310             : static void dce60_calculate_inits(
     311             :         struct dce_transform *xfm_dce,
     312             :         const struct scaler_data *data,
     313             :         struct sclh_ratios_inits *inits)
     314             : {
     315             :         struct fixed31_32 v_init;
     316             : 
     317             :         inits->h_int_scale_ratio =
     318             :                 dc_fixpt_u2d19(data->ratios.horz) << 5;
     319             :         inits->v_int_scale_ratio =
     320             :                 dc_fixpt_u2d19(data->ratios.vert) << 5;
     321             : 
     322             :         /* DCE6 h_init_luma setting inspired by DCE110 */
     323             :         inits->h_init_luma.integer = 1;
     324             : 
     325             :         /* DCE6 h_init_chroma setting inspired by DCE110 */
     326             :         inits->h_init_chroma.integer = 1;
     327             : 
     328             :         v_init =
     329             :                 dc_fixpt_div_int(
     330             :                         dc_fixpt_add(
     331             :                                 data->ratios.vert,
     332             :                                 dc_fixpt_from_int(data->taps.v_taps + 1)),
     333             :                                 2);
     334             :         inits->v_init.integer = dc_fixpt_floor(v_init);
     335             :         inits->v_init.fraction = dc_fixpt_u0d19(v_init) << 5;
     336             : }
     337             : #endif
     338             : 
     339           0 : static void program_scl_ratios_inits(
     340             :         struct dce_transform *xfm_dce,
     341             :         struct scl_ratios_inits *inits)
     342             : {
     343             : 
     344           0 :         REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
     345             :                         SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
     346             : 
     347           0 :         REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
     348             :                         SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
     349             : 
     350           0 :         REG_SET_2(SCL_HORZ_FILTER_INIT, 0,
     351             :                         SCL_H_INIT_INT, inits->h_init.integer,
     352             :                         SCL_H_INIT_FRAC, inits->h_init.fraction);
     353             : 
     354           0 :         REG_SET_2(SCL_VERT_FILTER_INIT, 0,
     355             :                         SCL_V_INIT_INT, inits->v_init.integer,
     356             :                         SCL_V_INIT_FRAC, inits->v_init.fraction);
     357             : 
     358           0 :         REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
     359           0 : }
     360             : 
     361             : #if defined(CONFIG_DRM_AMD_DC_SI)
     362             : static void dce60_program_scl_ratios_inits(
     363             :         struct dce_transform *xfm_dce,
     364             :         struct sclh_ratios_inits *inits)
     365             : {
     366             : 
     367             :         REG_SET(SCL_HORZ_FILTER_SCALE_RATIO, 0,
     368             :                         SCL_H_SCALE_RATIO, inits->h_int_scale_ratio);
     369             : 
     370             :         REG_SET(SCL_VERT_FILTER_SCALE_RATIO, 0,
     371             :                         SCL_V_SCALE_RATIO, inits->v_int_scale_ratio);
     372             : 
     373             :         /* DCE6 has SCL_HORZ_FILTER_INIT_RGB_LUMA register */
     374             :         REG_SET_2(SCL_HORZ_FILTER_INIT_RGB_LUMA, 0,
     375             :                         SCL_H_INIT_INT_RGB_Y, inits->h_init_luma.integer,
     376             :                         SCL_H_INIT_FRAC_RGB_Y, inits->h_init_luma.fraction);
     377             : 
     378             :         /* DCE6 has SCL_HORZ_FILTER_INIT_CHROMA register */
     379             :         REG_SET_2(SCL_HORZ_FILTER_INIT_CHROMA, 0,
     380             :                         SCL_H_INIT_INT_CBCR, inits->h_init_chroma.integer,
     381             :                         SCL_H_INIT_FRAC_CBCR, inits->h_init_chroma.fraction);
     382             : 
     383             :         REG_SET_2(SCL_VERT_FILTER_INIT, 0,
     384             :                         SCL_V_INIT_INT, inits->v_init.integer,
     385             :                         SCL_V_INIT_FRAC, inits->v_init.fraction);
     386             : 
     387             :         REG_WRITE(SCL_AUTOMATIC_MODE_CONTROL, 0);
     388             : }
     389             : #endif
     390             : 
     391           0 : static const uint16_t *get_filter_coeffs_16p(int taps, struct fixed31_32 ratio)
     392             : {
     393           0 :         if (taps == 4)
     394           0 :                 return get_filter_4tap_16p(ratio);
     395           0 :         else if (taps == 3)
     396           0 :                 return get_filter_3tap_16p(ratio);
     397           0 :         else if (taps == 2)
     398           0 :                 return get_filter_2tap_16p();
     399           0 :         else if (taps == 1)
     400             :                 return NULL;
     401             :         else {
     402             :                 /* should never happen, bug */
     403           0 :                 BREAK_TO_DEBUGGER();
     404           0 :                 return NULL;
     405             :         }
     406             : }
     407             : 
     408           0 : static void dce_transform_set_scaler(
     409             :         struct transform *xfm,
     410             :         const struct scaler_data *data)
     411             : {
     412           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
     413             :         bool is_scaling_required;
     414           0 :         bool filter_updated = false;
     415             :         const uint16_t *coeffs_v, *coeffs_h;
     416             : 
     417             :         /*Use all three pieces of memory always*/
     418           0 :         REG_SET_2(LB_MEMORY_CTRL, 0,
     419             :                         LB_MEMORY_CONFIG, 0,
     420             :                         LB_MEMORY_SIZE, xfm_dce->lb_memory_size);
     421             : 
     422             :         /* Clear SCL_F_SHARP_CONTROL value to 0 */
     423           0 :         REG_WRITE(SCL_F_SHARP_CONTROL, 0);
     424             : 
     425             :         /* 1. Program overscan */
     426           0 :         program_overscan(xfm_dce, data);
     427             : 
     428             :         /* 2. Program taps and configuration */
     429           0 :         is_scaling_required = setup_scaling_configuration(xfm_dce, data);
     430             : 
     431           0 :         if (is_scaling_required) {
     432             :                 /* 3. Calculate and program ratio, filter initialization */
     433           0 :                 struct scl_ratios_inits inits = { 0 };
     434             : 
     435           0 :                 calculate_inits(xfm_dce, data, &inits);
     436             : 
     437           0 :                 program_scl_ratios_inits(xfm_dce, &inits);
     438             : 
     439           0 :                 coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
     440           0 :                 coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
     441             : 
     442           0 :                 if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
     443             :                         /* 4. Program vertical filters */
     444           0 :                         if (xfm_dce->filter_v == NULL)
     445           0 :                                 REG_SET(SCL_VERT_FILTER_CONTROL, 0,
     446             :                                                 SCL_V_2TAP_HARDCODE_COEF_EN, 0);
     447           0 :                         program_multi_taps_filter(
     448             :                                         xfm_dce,
     449           0 :                                         data->taps.v_taps,
     450             :                                         coeffs_v,
     451             :                                         FILTER_TYPE_RGB_Y_VERTICAL);
     452           0 :                         program_multi_taps_filter(
     453             :                                         xfm_dce,
     454           0 :                                         data->taps.v_taps,
     455             :                                         coeffs_v,
     456             :                                         FILTER_TYPE_ALPHA_VERTICAL);
     457             : 
     458             :                         /* 5. Program horizontal filters */
     459           0 :                         if (xfm_dce->filter_h == NULL)
     460           0 :                                 REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
     461             :                                                 SCL_H_2TAP_HARDCODE_COEF_EN, 0);
     462           0 :                         program_multi_taps_filter(
     463             :                                         xfm_dce,
     464           0 :                                         data->taps.h_taps,
     465             :                                         coeffs_h,
     466             :                                         FILTER_TYPE_RGB_Y_HORIZONTAL);
     467           0 :                         program_multi_taps_filter(
     468             :                                         xfm_dce,
     469           0 :                                         data->taps.h_taps,
     470             :                                         coeffs_h,
     471             :                                         FILTER_TYPE_ALPHA_HORIZONTAL);
     472             : 
     473           0 :                         xfm_dce->filter_v = coeffs_v;
     474           0 :                         xfm_dce->filter_h = coeffs_h;
     475           0 :                         filter_updated = true;
     476             :                 }
     477             :         }
     478             : 
     479             :         /* 6. Program the viewport */
     480           0 :         program_viewport(xfm_dce, &data->viewport);
     481             : 
     482             :         /* 7. Set bit to flip to new coefficient memory */
     483           0 :         if (filter_updated)
     484           0 :                 REG_UPDATE(SCL_UPDATE, SCL_COEF_UPDATE_COMPLETE, 1);
     485             : 
     486           0 :         REG_UPDATE(LB_DATA_FORMAT, ALPHA_EN, data->lb_params.alpha_en);
     487           0 : }
     488             : 
     489             : #if defined(CONFIG_DRM_AMD_DC_SI)
     490             : static void dce60_transform_set_scaler(
     491             :         struct transform *xfm,
     492             :         const struct scaler_data *data)
     493             : {
     494             :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
     495             :         bool is_scaling_required;
     496             :         const uint16_t *coeffs_v, *coeffs_h;
     497             : 
     498             :         /*Use whole line buffer memory always*/
     499             :         REG_SET(DC_LB_MEMORY_SPLIT, 0,
     500             :                 DC_LB_MEMORY_CONFIG, 0);
     501             : 
     502             :         REG_SET(DC_LB_MEM_SIZE, 0,
     503             :                 DC_LB_MEM_SIZE, xfm_dce->lb_memory_size);
     504             : 
     505             :         /* Clear SCL_F_SHARP_CONTROL value to 0 */
     506             :         REG_WRITE(SCL_F_SHARP_CONTROL, 0);
     507             : 
     508             :         /* 1. Program overscan */
     509             :         program_overscan(xfm_dce, data);
     510             : 
     511             :         /* 2. Program taps and configuration */
     512             :         is_scaling_required = dce60_setup_scaling_configuration(xfm_dce, data);
     513             : 
     514             :         if (is_scaling_required) {
     515             :                 /* 3. Calculate and program ratio, DCE6 filter initialization */
     516             :                 struct sclh_ratios_inits inits = { 0 };
     517             : 
     518             :                 /* DCE6 has specific calculate_inits() function */
     519             :                 dce60_calculate_inits(xfm_dce, data, &inits);
     520             : 
     521             :                 /* DCE6 has specific program_scl_ratios_inits() function */
     522             :                 dce60_program_scl_ratios_inits(xfm_dce, &inits);
     523             : 
     524             :                 coeffs_v = get_filter_coeffs_16p(data->taps.v_taps, data->ratios.vert);
     525             :                 coeffs_h = get_filter_coeffs_16p(data->taps.h_taps, data->ratios.horz);
     526             : 
     527             :                 if (coeffs_v != xfm_dce->filter_v || coeffs_h != xfm_dce->filter_h) {
     528             :                         /* 4. Program vertical filters */
     529             :                         if (xfm_dce->filter_v == NULL)
     530             :                                 REG_SET(SCL_VERT_FILTER_CONTROL, 0,
     531             :                                                 SCL_V_2TAP_HARDCODE_COEF_EN, 0);
     532             :                         program_multi_taps_filter(
     533             :                                         xfm_dce,
     534             :                                         data->taps.v_taps,
     535             :                                         coeffs_v,
     536             :                                         FILTER_TYPE_RGB_Y_VERTICAL);
     537             :                         program_multi_taps_filter(
     538             :                                         xfm_dce,
     539             :                                         data->taps.v_taps,
     540             :                                         coeffs_v,
     541             :                                         FILTER_TYPE_ALPHA_VERTICAL);
     542             : 
     543             :                         /* 5. Program horizontal filters */
     544             :                         if (xfm_dce->filter_h == NULL)
     545             :                                 REG_SET(SCL_HORZ_FILTER_CONTROL, 0,
     546             :                                                 SCL_H_2TAP_HARDCODE_COEF_EN, 0);
     547             :                         program_multi_taps_filter(
     548             :                                         xfm_dce,
     549             :                                         data->taps.h_taps,
     550             :                                         coeffs_h,
     551             :                                         FILTER_TYPE_RGB_Y_HORIZONTAL);
     552             :                         program_multi_taps_filter(
     553             :                                         xfm_dce,
     554             :                                         data->taps.h_taps,
     555             :                                         coeffs_h,
     556             :                                         FILTER_TYPE_ALPHA_HORIZONTAL);
     557             : 
     558             :                         xfm_dce->filter_v = coeffs_v;
     559             :                         xfm_dce->filter_h = coeffs_h;
     560             :                 }
     561             :         }
     562             : 
     563             :         /* 6. Program the viewport */
     564             :         program_viewport(xfm_dce, &data->viewport);
     565             : 
     566             :         /* DCE6 has no SCL_COEF_UPDATE_COMPLETE bit to flip to new coefficient memory */
     567             : 
     568             :         /* DCE6 DATA_FORMAT register does not support ALPHA_EN */
     569             : }
     570             : #endif
     571             : 
     572             : /*****************************************************************************
     573             :  * set_clamp
     574             :  *
     575             :  * @param depth : bit depth to set the clamp to (should match denorm)
     576             :  *
     577             :  * @brief
     578             :  *     Programs clamp according to panel bit depth.
     579             :  *
     580             :  *******************************************************************************/
     581           0 : static void set_clamp(
     582             :         struct dce_transform *xfm_dce,
     583             :         enum dc_color_depth depth)
     584             : {
     585           0 :         int clamp_max = 0;
     586             : 
     587             :         /* At the clamp block the data will be MSB aligned, so we set the max
     588             :          * clamp accordingly.
     589             :          * For example, the max value for 6 bits MSB aligned (14 bit bus) would
     590             :          * be "11 1111 0000 0000" in binary, so 0x3F00.
     591             :          */
     592           0 :         switch (depth) {
     593             :         case COLOR_DEPTH_666:
     594             :                 /* 6bit MSB aligned on 14 bit bus '11 1111 0000 0000' */
     595             :                 clamp_max = 0x3F00;
     596             :                 break;
     597             :         case COLOR_DEPTH_888:
     598             :                 /* 8bit MSB aligned on 14 bit bus '11 1111 1100 0000' */
     599           0 :                 clamp_max = 0x3FC0;
     600           0 :                 break;
     601             :         case COLOR_DEPTH_101010:
     602             :                 /* 10bit MSB aligned on 14 bit bus '11 1111 1111 0000' */
     603           0 :                 clamp_max = 0x3FF0;
     604           0 :                 break;
     605             :         case COLOR_DEPTH_121212:
     606             :                 /* 12bit MSB aligned on 14 bit bus '11 1111 1111 1100' */
     607           0 :                 clamp_max = 0x3FFC;
     608           0 :                 break;
     609             :         default:
     610           0 :                 clamp_max = 0x3FC0;
     611           0 :                 BREAK_TO_DEBUGGER(); /* Invalid clamp bit depth */
     612             :         }
     613           0 :         REG_SET_2(OUT_CLAMP_CONTROL_B_CB, 0,
     614             :                         OUT_CLAMP_MIN_B_CB, 0,
     615             :                         OUT_CLAMP_MAX_B_CB, clamp_max);
     616             : 
     617           0 :         REG_SET_2(OUT_CLAMP_CONTROL_G_Y, 0,
     618             :                         OUT_CLAMP_MIN_G_Y, 0,
     619             :                         OUT_CLAMP_MAX_G_Y, clamp_max);
     620             : 
     621           0 :         REG_SET_2(OUT_CLAMP_CONTROL_R_CR, 0,
     622             :                         OUT_CLAMP_MIN_R_CR, 0,
     623             :                         OUT_CLAMP_MAX_R_CR, clamp_max);
     624           0 : }
     625             : 
     626             : /*******************************************************************************
     627             :  * set_round
     628             :  *
     629             :  * @brief
     630             :  *     Programs Round/Truncate
     631             :  *
     632             :  * @param [in] mode  :round or truncate
     633             :  * @param [in] depth :bit depth to round/truncate to
     634             :  OUT_ROUND_TRUNC_MODE 3:0 0xA Output data round or truncate mode
     635             :  POSSIBLE VALUES:
     636             :       00 - truncate to u0.12
     637             :       01 - truncate to u0.11
     638             :       02 - truncate to u0.10
     639             :       03 - truncate to u0.9
     640             :       04 - truncate to u0.8
     641             :       05 - reserved
     642             :       06 - truncate to u0.14
     643             :       07 - truncate to u0.13            set_reg_field_value(
     644             :                         value,
     645             :                         clamp_max,
     646             :                         OUT_CLAMP_CONTROL_R_CR,
     647             :                         OUT_CLAMP_MAX_R_CR);
     648             :       08 - round to u0.12
     649             :       09 - round to u0.11
     650             :       10 - round to u0.10
     651             :       11 - round to u0.9
     652             :       12 - round to u0.8
     653             :       13 - reserved
     654             :       14 - round to u0.14
     655             :       15 - round to u0.13
     656             : 
     657             :  ******************************************************************************/
     658           0 : static void set_round(
     659             :         struct dce_transform *xfm_dce,
     660             :         enum dcp_out_trunc_round_mode mode,
     661             :         enum dcp_out_trunc_round_depth depth)
     662             : {
     663           0 :         int depth_bits = 0;
     664           0 :         int mode_bit = 0;
     665             : 
     666             :         /*  set up bit depth */
     667           0 :         switch (depth) {
     668             :         case DCP_OUT_TRUNC_ROUND_DEPTH_14BIT:
     669             :                 depth_bits = 6;
     670             :                 break;
     671             :         case DCP_OUT_TRUNC_ROUND_DEPTH_13BIT:
     672           0 :                 depth_bits = 7;
     673           0 :                 break;
     674             :         case DCP_OUT_TRUNC_ROUND_DEPTH_12BIT:
     675           0 :                 depth_bits = 0;
     676           0 :                 break;
     677             :         case DCP_OUT_TRUNC_ROUND_DEPTH_11BIT:
     678           0 :                 depth_bits = 1;
     679           0 :                 break;
     680             :         case DCP_OUT_TRUNC_ROUND_DEPTH_10BIT:
     681           0 :                 depth_bits = 2;
     682           0 :                 break;
     683             :         case DCP_OUT_TRUNC_ROUND_DEPTH_9BIT:
     684           0 :                 depth_bits = 3;
     685           0 :                 break;
     686             :         case DCP_OUT_TRUNC_ROUND_DEPTH_8BIT:
     687           0 :                 depth_bits = 4;
     688           0 :                 break;
     689             :         default:
     690           0 :                 depth_bits = 4;
     691           0 :                 BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_depth */
     692             :         }
     693             : 
     694             :         /*  set up round or truncate */
     695           0 :         switch (mode) {
     696             :         case DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE:
     697             :                 mode_bit = 0;
     698             :                 break;
     699             :         case DCP_OUT_TRUNC_ROUND_MODE_ROUND:
     700           0 :                 mode_bit = 1;
     701           0 :                 break;
     702             :         default:
     703           0 :                 BREAK_TO_DEBUGGER(); /* Invalid dcp_out_trunc_round_mode */
     704             :         }
     705             : 
     706           0 :         depth_bits |= mode_bit << 3;
     707             : 
     708           0 :         REG_SET(OUT_ROUND_CONTROL, 0, OUT_ROUND_TRUNC_MODE, depth_bits);
     709           0 : }
     710             : 
     711             : /*****************************************************************************
     712             :  * set_dither
     713             :  *
     714             :  * @brief
     715             :  *     Programs Dither
     716             :  *
     717             :  * @param [in] dither_enable        : enable dither
     718             :  * @param [in] dither_mode           : dither mode to set
     719             :  * @param [in] dither_depth          : bit depth to dither to
     720             :  * @param [in] frame_random_enable    : enable frame random
     721             :  * @param [in] rgb_random_enable      : enable rgb random
     722             :  * @param [in] highpass_random_enable : enable highpass random
     723             :  *
     724             :  ******************************************************************************/
     725             : 
     726           0 : static void set_dither(
     727             :         struct dce_transform *xfm_dce,
     728             :         bool dither_enable,
     729             :         enum dcp_spatial_dither_mode dither_mode,
     730             :         enum dcp_spatial_dither_depth dither_depth,
     731             :         bool frame_random_enable,
     732             :         bool rgb_random_enable,
     733             :         bool highpass_random_enable)
     734             : {
     735           0 :         int dither_depth_bits = 0;
     736           0 :         int dither_mode_bits = 0;
     737             : 
     738           0 :         switch (dither_mode) {
     739             :         case DCP_SPATIAL_DITHER_MODE_AAAA:
     740             :                 dither_mode_bits = 0;
     741             :                 break;
     742             :         case DCP_SPATIAL_DITHER_MODE_A_AA_A:
     743           0 :                 dither_mode_bits = 1;
     744           0 :                 break;
     745             :         case DCP_SPATIAL_DITHER_MODE_AABBAABB:
     746           0 :                 dither_mode_bits = 2;
     747           0 :                 break;
     748             :         case DCP_SPATIAL_DITHER_MODE_AABBCCAABBCC:
     749           0 :                 dither_mode_bits = 3;
     750           0 :                 break;
     751             :         default:
     752             :                 /* Invalid dcp_spatial_dither_mode */
     753           0 :                 BREAK_TO_DEBUGGER();
     754             :         }
     755             : 
     756           0 :         switch (dither_depth) {
     757             :         case DCP_SPATIAL_DITHER_DEPTH_30BPP:
     758             :                 dither_depth_bits = 0;
     759             :                 break;
     760             :         case DCP_SPATIAL_DITHER_DEPTH_24BPP:
     761           0 :                 dither_depth_bits = 1;
     762           0 :                 break;
     763             :         default:
     764             :                 /* Invalid dcp_spatial_dither_depth */
     765           0 :                 BREAK_TO_DEBUGGER();
     766             :         }
     767             : 
     768             :         /*  write the register */
     769           0 :         REG_SET_6(DCP_SPATIAL_DITHER_CNTL, 0,
     770             :                         DCP_SPATIAL_DITHER_EN, dither_enable,
     771             :                         DCP_SPATIAL_DITHER_MODE, dither_mode_bits,
     772             :                         DCP_SPATIAL_DITHER_DEPTH, dither_depth_bits,
     773             :                         DCP_FRAME_RANDOM_ENABLE, frame_random_enable,
     774             :                         DCP_RGB_RANDOM_ENABLE, rgb_random_enable,
     775             :                         DCP_HIGHPASS_RANDOM_ENABLE, highpass_random_enable);
     776           0 : }
     777             : 
     778             : /*****************************************************************************
     779             :  * dce_transform_bit_depth_reduction_program
     780             :  *
     781             :  * @brief
     782             :  *     Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
     783             :  *      Dither) for dce
     784             :  *
     785             :  * @param depth : bit depth to set the clamp to (should match denorm)
     786             :  *
     787             :  ******************************************************************************/
     788           0 : static void program_bit_depth_reduction(
     789             :         struct dce_transform *xfm_dce,
     790             :         enum dc_color_depth depth,
     791             :         const struct bit_depth_reduction_params *bit_depth_params)
     792             : {
     793             :         enum dcp_out_trunc_round_depth trunc_round_depth;
     794             :         enum dcp_out_trunc_round_mode trunc_mode;
     795             :         bool spatial_dither_enable;
     796             : 
     797           0 :         ASSERT(depth <= COLOR_DEPTH_121212); /* Invalid clamp bit depth */
     798             : 
     799           0 :         spatial_dither_enable = bit_depth_params->flags.SPATIAL_DITHER_ENABLED;
     800             :         /* Default to 12 bit truncation without rounding */
     801           0 :         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
     802           0 :         trunc_mode = DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
     803             : 
     804           0 :         if (bit_depth_params->flags.TRUNCATE_ENABLED) {
     805             :                 /* Don't enable dithering if truncation is enabled */
     806           0 :                 spatial_dither_enable = false;
     807           0 :                 trunc_mode = bit_depth_params->flags.TRUNCATE_MODE ?
     808           0 :                              DCP_OUT_TRUNC_ROUND_MODE_ROUND :
     809             :                              DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
     810             : 
     811           0 :                 if (bit_depth_params->flags.TRUNCATE_DEPTH == 0 ||
     812             :                     bit_depth_params->flags.TRUNCATE_DEPTH == 1)
     813             :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_8BIT;
     814           0 :                 else if (bit_depth_params->flags.TRUNCATE_DEPTH == 2)
     815             :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_10BIT;
     816             :                 else {
     817             :                         /*
     818             :                          * Invalid truncate/round depth. Setting here to 12bit
     819             :                          * to prevent use-before-initialize errors.
     820             :                          */
     821           0 :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
     822           0 :                         BREAK_TO_DEBUGGER();
     823             :                 }
     824             :         }
     825             : 
     826           0 :         set_clamp(xfm_dce, depth);
     827           0 :         set_round(xfm_dce, trunc_mode, trunc_round_depth);
     828           0 :         set_dither(xfm_dce,
     829             :                    spatial_dither_enable,
     830             :                    DCP_SPATIAL_DITHER_MODE_A_AA_A,
     831             :                    DCP_SPATIAL_DITHER_DEPTH_30BPP,
     832             :                    bit_depth_params->flags.FRAME_RANDOM,
     833             :                    bit_depth_params->flags.RGB_RANDOM,
     834           0 :                    bit_depth_params->flags.HIGHPASS_RANDOM);
     835           0 : }
     836             : 
     837             : #if defined(CONFIG_DRM_AMD_DC_SI)
     838             : /*****************************************************************************
     839             :  * dce60_transform_bit_depth_reduction program
     840             :  *
     841             :  * @brief
     842             :  *     Programs the DCP bit depth reduction registers (Clamp, Round/Truncate,
     843             :  *      Dither) for dce
     844             :  *
     845             :  * @param depth : bit depth to set the clamp to (should match denorm)
     846             :  *
     847             :  ******************************************************************************/
     848             : static void dce60_program_bit_depth_reduction(
     849             :         struct dce_transform *xfm_dce,
     850             :         enum dc_color_depth depth,
     851             :         const struct bit_depth_reduction_params *bit_depth_params)
     852             : {
     853             :         enum dcp_out_trunc_round_depth trunc_round_depth;
     854             :         enum dcp_out_trunc_round_mode trunc_mode;
     855             :         bool spatial_dither_enable;
     856             : 
     857             :         ASSERT(depth <= COLOR_DEPTH_121212); /* Invalid clamp bit depth */
     858             : 
     859             :         spatial_dither_enable = bit_depth_params->flags.SPATIAL_DITHER_ENABLED;
     860             :         /* Default to 12 bit truncation without rounding */
     861             :         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
     862             :         trunc_mode = DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
     863             : 
     864             :         if (bit_depth_params->flags.TRUNCATE_ENABLED) {
     865             :                 /* Don't enable dithering if truncation is enabled */
     866             :                 spatial_dither_enable = false;
     867             :                 trunc_mode = bit_depth_params->flags.TRUNCATE_MODE ?
     868             :                              DCP_OUT_TRUNC_ROUND_MODE_ROUND :
     869             :                              DCP_OUT_TRUNC_ROUND_MODE_TRUNCATE;
     870             : 
     871             :                 if (bit_depth_params->flags.TRUNCATE_DEPTH == 0 ||
     872             :                     bit_depth_params->flags.TRUNCATE_DEPTH == 1)
     873             :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_8BIT;
     874             :                 else if (bit_depth_params->flags.TRUNCATE_DEPTH == 2)
     875             :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_10BIT;
     876             :                 else {
     877             :                         /*
     878             :                          * Invalid truncate/round depth. Setting here to 12bit
     879             :                          * to prevent use-before-initialize errors.
     880             :                          */
     881             :                         trunc_round_depth = DCP_OUT_TRUNC_ROUND_DEPTH_12BIT;
     882             :                         BREAK_TO_DEBUGGER();
     883             :                 }
     884             :         }
     885             : 
     886             :         /* DCE6 has no OUT_CLAMP_CONTROL_* registers - set_clamp() is skipped */
     887             :         set_round(xfm_dce, trunc_mode, trunc_round_depth);
     888             :         set_dither(xfm_dce,
     889             :                    spatial_dither_enable,
     890             :                    DCP_SPATIAL_DITHER_MODE_A_AA_A,
     891             :                    DCP_SPATIAL_DITHER_DEPTH_30BPP,
     892             :                    bit_depth_params->flags.FRAME_RANDOM,
     893             :                    bit_depth_params->flags.RGB_RANDOM,
     894             :                    bit_depth_params->flags.HIGHPASS_RANDOM);
     895             : }
     896             : #endif
     897             : 
     898           0 : static int dce_transform_get_max_num_of_supported_lines(
     899             :         struct dce_transform *xfm_dce,
     900             :         enum lb_pixel_depth depth,
     901             :         int pixel_width)
     902             : {
     903           0 :         int pixels_per_entries = 0;
     904           0 :         int max_pixels_supports = 0;
     905             : 
     906           0 :         ASSERT(pixel_width);
     907             : 
     908             :         /* Find number of pixels that can fit into a single LB entry and
     909             :          * take floor of the value since we cannot store a single pixel
     910             :          * across multiple entries. */
     911           0 :         switch (depth) {
     912             :         case LB_PIXEL_DEPTH_18BPP:
     913           0 :                 pixels_per_entries = xfm_dce->lb_bits_per_entry / 18;
     914             :                 break;
     915             : 
     916             :         case LB_PIXEL_DEPTH_24BPP:
     917           0 :                 pixels_per_entries = xfm_dce->lb_bits_per_entry / 24;
     918             :                 break;
     919             : 
     920             :         case LB_PIXEL_DEPTH_30BPP:
     921           0 :                 pixels_per_entries = xfm_dce->lb_bits_per_entry / 30;
     922             :                 break;
     923             : 
     924             :         case LB_PIXEL_DEPTH_36BPP:
     925           0 :                 pixels_per_entries = xfm_dce->lb_bits_per_entry / 36;
     926             :                 break;
     927             : 
     928             :         default:
     929           0 :                 DC_LOG_WARNING("%s: Invalid LB pixel depth",
     930             :                         __func__);
     931           0 :                 BREAK_TO_DEBUGGER();
     932             :                 break;
     933             :         }
     934             : 
     935           0 :         ASSERT(pixels_per_entries);
     936             : 
     937           0 :         max_pixels_supports =
     938             :                         pixels_per_entries *
     939           0 :                         xfm_dce->lb_memory_size;
     940             : 
     941           0 :         return (max_pixels_supports / pixel_width);
     942             : }
     943             : 
     944           0 : static void set_denormalization(
     945             :         struct dce_transform *xfm_dce,
     946             :         enum dc_color_depth depth)
     947             : {
     948           0 :         int denorm_mode = 0;
     949             : 
     950             :         switch (depth) {
     951             :         case COLOR_DEPTH_666:
     952             :                 /* 63/64 for 6 bit output color depth */
     953             :                 denorm_mode = 1;
     954             :                 break;
     955             :         case COLOR_DEPTH_888:
     956             :                 /* Unity for 8 bit output color depth
     957             :                  * because prescale is disabled by default */
     958             :                 denorm_mode = 0;
     959             :                 break;
     960             :         case COLOR_DEPTH_101010:
     961             :                 /* 1023/1024 for 10 bit output color depth */
     962             :                 denorm_mode = 3;
     963             :                 break;
     964             :         case COLOR_DEPTH_121212:
     965             :                 /* 4095/4096 for 12 bit output color depth */
     966             :                 denorm_mode = 5;
     967             :                 break;
     968             :         case COLOR_DEPTH_141414:
     969             :         case COLOR_DEPTH_161616:
     970             :         default:
     971             :                 /* not valid used case! */
     972             :                 break;
     973             :         }
     974             : 
     975           0 :         REG_SET(DENORM_CONTROL, 0, DENORM_MODE, denorm_mode);
     976           0 : }
     977             : 
     978           0 : static void dce_transform_set_pixel_storage_depth(
     979             :         struct transform *xfm,
     980             :         enum lb_pixel_depth depth,
     981             :         const struct bit_depth_reduction_params *bit_depth_params)
     982             : {
     983           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
     984             :         int pixel_depth, expan_mode;
     985             :         enum dc_color_depth color_depth;
     986             : 
     987           0 :         switch (depth) {
     988             :         case LB_PIXEL_DEPTH_18BPP:
     989             :                 color_depth = COLOR_DEPTH_666;
     990             :                 pixel_depth = 2;
     991             :                 expan_mode  = 1;
     992             :                 break;
     993             :         case LB_PIXEL_DEPTH_24BPP:
     994           0 :                 color_depth = COLOR_DEPTH_888;
     995           0 :                 pixel_depth = 1;
     996           0 :                 expan_mode  = 1;
     997           0 :                 break;
     998             :         case LB_PIXEL_DEPTH_30BPP:
     999           0 :                 color_depth = COLOR_DEPTH_101010;
    1000           0 :                 pixel_depth = 0;
    1001           0 :                 expan_mode  = 1;
    1002           0 :                 break;
    1003             :         case LB_PIXEL_DEPTH_36BPP:
    1004           0 :                 color_depth = COLOR_DEPTH_121212;
    1005           0 :                 pixel_depth = 3;
    1006           0 :                 expan_mode  = 0;
    1007           0 :                 break;
    1008             :         default:
    1009           0 :                 color_depth = COLOR_DEPTH_101010;
    1010           0 :                 pixel_depth = 0;
    1011           0 :                 expan_mode  = 1;
    1012           0 :                 BREAK_TO_DEBUGGER();
    1013           0 :                 break;
    1014             :         }
    1015             : 
    1016           0 :         set_denormalization(xfm_dce, color_depth);
    1017           0 :         program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
    1018             : 
    1019           0 :         REG_UPDATE_2(LB_DATA_FORMAT,
    1020             :                         PIXEL_DEPTH, pixel_depth,
    1021             :                         PIXEL_EXPAN_MODE, expan_mode);
    1022             : 
    1023           0 :         if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
    1024             :                 /*we should use unsupported capabilities
    1025             :                  *  unless it is required by w/a*/
    1026           0 :                 DC_LOG_WARNING("%s: Capability not supported",
    1027             :                         __func__);
    1028             :         }
    1029           0 : }
    1030             : 
    1031             : #if defined(CONFIG_DRM_AMD_DC_SI)
    1032             : static void dce60_transform_set_pixel_storage_depth(
    1033             :         struct transform *xfm,
    1034             :         enum lb_pixel_depth depth,
    1035             :         const struct bit_depth_reduction_params *bit_depth_params)
    1036             : {
    1037             :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1038             :         enum dc_color_depth color_depth;
    1039             : 
    1040             :         switch (depth) {
    1041             :         case LB_PIXEL_DEPTH_18BPP:
    1042             :                 color_depth = COLOR_DEPTH_666;
    1043             :                 break;
    1044             :         case LB_PIXEL_DEPTH_24BPP:
    1045             :                 color_depth = COLOR_DEPTH_888;
    1046             :                 break;
    1047             :         case LB_PIXEL_DEPTH_30BPP:
    1048             :                 color_depth = COLOR_DEPTH_101010;
    1049             :                 break;
    1050             :         case LB_PIXEL_DEPTH_36BPP:
    1051             :                 color_depth = COLOR_DEPTH_121212;
    1052             :                 break;
    1053             :         default:
    1054             :                 color_depth = COLOR_DEPTH_101010;
    1055             :                 BREAK_TO_DEBUGGER();
    1056             :                 break;
    1057             :         }
    1058             : 
    1059             :         set_denormalization(xfm_dce, color_depth);
    1060             :         dce60_program_bit_depth_reduction(xfm_dce, color_depth, bit_depth_params);
    1061             : 
    1062             :         /* DATA_FORMAT in DCE6 does not have PIXEL_DEPTH and PIXEL_EXPAN_MODE masks */
    1063             : 
    1064             :         if (!(xfm_dce->lb_pixel_depth_supported & depth)) {
    1065             :                 /*we should use unsupported capabilities
    1066             :                  *  unless it is required by w/a*/
    1067             :                 DC_LOG_WARNING("%s: Capability not supported",
    1068             :                         __func__);
    1069             :         }
    1070             : }
    1071             : #endif
    1072             : 
    1073           0 : static void program_gamut_remap(
    1074             :         struct dce_transform *xfm_dce,
    1075             :         const uint16_t *reg_val)
    1076             : {
    1077           0 :         if (reg_val) {
    1078           0 :                 REG_SET_2(GAMUT_REMAP_C11_C12, 0,
    1079             :                                 GAMUT_REMAP_C11, reg_val[0],
    1080             :                                 GAMUT_REMAP_C12, reg_val[1]);
    1081           0 :                 REG_SET_2(GAMUT_REMAP_C13_C14, 0,
    1082             :                                 GAMUT_REMAP_C13, reg_val[2],
    1083             :                                 GAMUT_REMAP_C14, reg_val[3]);
    1084           0 :                 REG_SET_2(GAMUT_REMAP_C21_C22, 0,
    1085             :                                 GAMUT_REMAP_C21, reg_val[4],
    1086             :                                 GAMUT_REMAP_C22, reg_val[5]);
    1087           0 :                 REG_SET_2(GAMUT_REMAP_C23_C24, 0,
    1088             :                                 GAMUT_REMAP_C23, reg_val[6],
    1089             :                                 GAMUT_REMAP_C24, reg_val[7]);
    1090           0 :                 REG_SET_2(GAMUT_REMAP_C31_C32, 0,
    1091             :                                 GAMUT_REMAP_C31, reg_val[8],
    1092             :                                 GAMUT_REMAP_C32, reg_val[9]);
    1093           0 :                 REG_SET_2(GAMUT_REMAP_C33_C34, 0,
    1094             :                                 GAMUT_REMAP_C33, reg_val[10],
    1095             :                                 GAMUT_REMAP_C34, reg_val[11]);
    1096             : 
    1097           0 :                 REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 1);
    1098             :         } else
    1099           0 :                 REG_SET(GAMUT_REMAP_CONTROL, 0, GRPH_GAMUT_REMAP_MODE, 0);
    1100             : 
    1101           0 : }
    1102             : 
    1103             : /*
    1104             :  *****************************************************************************
    1105             :  *  Function: dal_transform_wide_gamut_set_gamut_remap
    1106             :  *
    1107             :  *  @param [in] const struct xfm_grph_csc_adjustment *adjust
    1108             :  *
    1109             :  *  @return
    1110             :  *     void
    1111             :  *
    1112             :  *  @note calculate and apply color temperature adjustment to in Rgb color space
    1113             :  *
    1114             :  *  @see
    1115             :  *
    1116             :  *****************************************************************************
    1117             :  */
    1118           0 : static void dce_transform_set_gamut_remap(
    1119             :         struct transform *xfm,
    1120             :         const struct xfm_grph_csc_adjustment *adjust)
    1121             : {
    1122           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1123           0 :         int i = 0;
    1124             : 
    1125           0 :         if (adjust->gamut_adjust_type != GRAPHICS_GAMUT_ADJUST_TYPE_SW)
    1126             :                 /* Bypass if type is bypass or hw */
    1127           0 :                 program_gamut_remap(xfm_dce, NULL);
    1128             :         else {
    1129             :                 struct fixed31_32 arr_matrix[GAMUT_MATRIX_SIZE];
    1130             :                 uint16_t arr_reg_val[GAMUT_MATRIX_SIZE];
    1131             : 
    1132           0 :                 for (i = 0; i < GAMUT_MATRIX_SIZE; i++)
    1133           0 :                         arr_matrix[i] = adjust->temperature_matrix[i];
    1134             : 
    1135           0 :                 convert_float_matrix(
    1136             :                         arr_reg_val, arr_matrix, GAMUT_MATRIX_SIZE);
    1137             : 
    1138           0 :                 program_gamut_remap(xfm_dce, arr_reg_val);
    1139             :         }
    1140           0 : }
    1141             : 
    1142             : static uint32_t decide_taps(struct fixed31_32 ratio, uint32_t in_taps, bool chroma)
    1143             : {
    1144             :         uint32_t taps;
    1145             : 
    1146           0 :         if (IDENTITY_RATIO(ratio)) {
    1147             :                 return 1;
    1148           0 :         } else if (in_taps != 0) {
    1149             :                 taps = in_taps;
    1150             :         } else {
    1151           0 :                 taps = 4;
    1152             :         }
    1153             : 
    1154             :         if (chroma) {
    1155           0 :                 taps /= 2;
    1156           0 :                 if (taps < 2)
    1157           0 :                         taps = 2;
    1158             :         }
    1159             : 
    1160             :         return taps;
    1161             : }
    1162             : 
    1163             : 
    1164           0 : bool dce_transform_get_optimal_number_of_taps(
    1165             :         struct transform *xfm,
    1166             :         struct scaler_data *scl_data,
    1167             :         const struct scaling_taps *in_taps)
    1168             : {
    1169           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1170           0 :         int pixel_width = scl_data->viewport.width;
    1171             :         int max_num_of_lines;
    1172             : 
    1173           0 :         if (xfm_dce->prescaler_on &&
    1174           0 :                         (scl_data->viewport.width > scl_data->recout.width))
    1175           0 :                 pixel_width = scl_data->recout.width;
    1176             : 
    1177           0 :         max_num_of_lines = dce_transform_get_max_num_of_supported_lines(
    1178             :                 xfm_dce,
    1179             :                 scl_data->lb_params.depth,
    1180             :                 pixel_width);
    1181             : 
    1182             :         /* Fail if in_taps are impossible */
    1183           0 :         if (in_taps->v_taps >= max_num_of_lines)
    1184             :                 return false;
    1185             : 
    1186             :         /*
    1187             :          * Set taps according to this policy (in this order)
    1188             :          * - Use 1 for no scaling
    1189             :          * - Use input taps
    1190             :          * - Use 4 and reduce as required by line buffer size
    1191             :          * - Decide chroma taps if chroma is scaled
    1192             :          *
    1193             :          * Ignore input chroma taps. Decide based on non-chroma
    1194             :          */
    1195           0 :         scl_data->taps.h_taps = decide_taps(scl_data->ratios.horz, in_taps->h_taps, false);
    1196           0 :         scl_data->taps.v_taps = decide_taps(scl_data->ratios.vert, in_taps->v_taps, false);
    1197           0 :         scl_data->taps.h_taps_c = decide_taps(scl_data->ratios.horz_c, in_taps->h_taps, true);
    1198           0 :         scl_data->taps.v_taps_c = decide_taps(scl_data->ratios.vert_c, in_taps->v_taps, true);
    1199             : 
    1200           0 :         if (!IDENTITY_RATIO(scl_data->ratios.vert)) {
    1201             :                 /* reduce v_taps if needed but ensure we have at least two */
    1202           0 :                 if (in_taps->v_taps == 0
    1203           0 :                                 && max_num_of_lines <= scl_data->taps.v_taps
    1204           0 :                                 && scl_data->taps.v_taps > 1) {
    1205           0 :                         scl_data->taps.v_taps = max_num_of_lines - 1;
    1206             :                 }
    1207             : 
    1208           0 :                 if (scl_data->taps.v_taps <= 1)
    1209             :                         return false;
    1210             :         }
    1211             : 
    1212           0 :         if (!IDENTITY_RATIO(scl_data->ratios.vert_c)) {
    1213             :                 /* reduce chroma v_taps if needed but ensure we have at least two */
    1214           0 :                 if (max_num_of_lines <= scl_data->taps.v_taps_c && scl_data->taps.v_taps_c > 1) {
    1215           0 :                         scl_data->taps.v_taps_c = max_num_of_lines - 1;
    1216             :                 }
    1217             : 
    1218           0 :                 if (scl_data->taps.v_taps_c <= 1)
    1219             :                         return false;
    1220             :         }
    1221             : 
    1222             :         /* we've got valid taps */
    1223             :         return true;
    1224             : }
    1225             : 
    1226           0 : static void dce_transform_reset(struct transform *xfm)
    1227             : {
    1228           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1229             : 
    1230           0 :         xfm_dce->filter_h = NULL;
    1231           0 :         xfm_dce->filter_v = NULL;
    1232           0 : }
    1233             : 
    1234           0 : static void program_color_matrix(
    1235             :         struct dce_transform *xfm_dce,
    1236             :         const struct out_csc_color_matrix *tbl_entry,
    1237             :         enum grph_color_adjust_option options)
    1238             : {
    1239             :         {
    1240           0 :                 REG_SET_2(OUTPUT_CSC_C11_C12, 0,
    1241             :                         OUTPUT_CSC_C11, tbl_entry->regval[0],
    1242             :                         OUTPUT_CSC_C12, tbl_entry->regval[1]);
    1243             :         }
    1244             :         {
    1245           0 :                 REG_SET_2(OUTPUT_CSC_C13_C14, 0,
    1246             :                         OUTPUT_CSC_C11, tbl_entry->regval[2],
    1247             :                         OUTPUT_CSC_C12, tbl_entry->regval[3]);
    1248             :         }
    1249             :         {
    1250           0 :                 REG_SET_2(OUTPUT_CSC_C21_C22, 0,
    1251             :                         OUTPUT_CSC_C11, tbl_entry->regval[4],
    1252             :                         OUTPUT_CSC_C12, tbl_entry->regval[5]);
    1253             :         }
    1254             :         {
    1255           0 :                 REG_SET_2(OUTPUT_CSC_C23_C24, 0,
    1256             :                         OUTPUT_CSC_C11, tbl_entry->regval[6],
    1257             :                         OUTPUT_CSC_C12, tbl_entry->regval[7]);
    1258             :         }
    1259             :         {
    1260           0 :                 REG_SET_2(OUTPUT_CSC_C31_C32, 0,
    1261             :                         OUTPUT_CSC_C11, tbl_entry->regval[8],
    1262             :                         OUTPUT_CSC_C12, tbl_entry->regval[9]);
    1263             :         }
    1264             :         {
    1265           0 :                 REG_SET_2(OUTPUT_CSC_C33_C34, 0,
    1266             :                         OUTPUT_CSC_C11, tbl_entry->regval[10],
    1267             :                         OUTPUT_CSC_C12, tbl_entry->regval[11]);
    1268             :         }
    1269           0 : }
    1270             : 
    1271           0 : static bool configure_graphics_mode(
    1272             :         struct dce_transform *xfm_dce,
    1273             :         enum csc_color_mode config,
    1274             :         enum graphics_csc_adjust_type csc_adjust_type,
    1275             :         enum dc_color_space color_space)
    1276             : {
    1277           0 :         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1278             :                 OUTPUT_CSC_GRPH_MODE, 0);
    1279             : 
    1280           0 :         if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_SW) {
    1281           0 :                 if (config == CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC) {
    1282           0 :                         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1283             :                                 OUTPUT_CSC_GRPH_MODE, 4);
    1284             :                 } else {
    1285             : 
    1286           0 :                         switch (color_space) {
    1287             :                         case COLOR_SPACE_SRGB:
    1288             :                                 /* by pass */
    1289           0 :                                 REG_SET(OUTPUT_CSC_CONTROL, 0,
    1290             :                                         OUTPUT_CSC_GRPH_MODE, 0);
    1291           0 :                                 break;
    1292             :                         case COLOR_SPACE_SRGB_LIMITED:
    1293             :                                 /* TV RGB */
    1294           0 :                                 REG_SET(OUTPUT_CSC_CONTROL, 0,
    1295             :                                         OUTPUT_CSC_GRPH_MODE, 1);
    1296           0 :                                 break;
    1297             :                         case COLOR_SPACE_YCBCR601:
    1298             :                         case COLOR_SPACE_YCBCR601_LIMITED:
    1299             :                                 /* YCbCr601 */
    1300           0 :                                 REG_SET(OUTPUT_CSC_CONTROL, 0,
    1301             :                                         OUTPUT_CSC_GRPH_MODE, 2);
    1302           0 :                                 break;
    1303             :                         case COLOR_SPACE_YCBCR709:
    1304             :                         case COLOR_SPACE_YCBCR709_LIMITED:
    1305             :                                 /* YCbCr709 */
    1306           0 :                                 REG_SET(OUTPUT_CSC_CONTROL, 0,
    1307             :                                         OUTPUT_CSC_GRPH_MODE, 3);
    1308           0 :                                 break;
    1309             :                         default:
    1310             :                                 return false;
    1311             :                         }
    1312             :                 }
    1313           0 :         } else if (csc_adjust_type == GRAPHICS_CSC_ADJUST_TYPE_HW) {
    1314           0 :                 switch (color_space) {
    1315             :                 case COLOR_SPACE_SRGB:
    1316             :                         /* by pass */
    1317           0 :                         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1318             :                                 OUTPUT_CSC_GRPH_MODE, 0);
    1319           0 :                         break;
    1320             :                 case COLOR_SPACE_SRGB_LIMITED:
    1321             :                         /* TV RGB */
    1322           0 :                         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1323             :                                 OUTPUT_CSC_GRPH_MODE, 1);
    1324           0 :                         break;
    1325             :                 case COLOR_SPACE_YCBCR601:
    1326             :                 case COLOR_SPACE_YCBCR601_LIMITED:
    1327             :                         /* YCbCr601 */
    1328           0 :                         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1329             :                                 OUTPUT_CSC_GRPH_MODE, 2);
    1330           0 :                         break;
    1331             :                 case COLOR_SPACE_YCBCR709:
    1332             :                 case COLOR_SPACE_YCBCR709_LIMITED:
    1333             :                          /* YCbCr709 */
    1334           0 :                         REG_SET(OUTPUT_CSC_CONTROL, 0,
    1335             :                                 OUTPUT_CSC_GRPH_MODE, 3);
    1336           0 :                         break;
    1337             :                 default:
    1338             :                         return false;
    1339             :                 }
    1340             : 
    1341             :         } else
    1342             :                 /* by pass */
    1343           0 :                 REG_SET(OUTPUT_CSC_CONTROL, 0,
    1344             :                         OUTPUT_CSC_GRPH_MODE, 0);
    1345             : 
    1346             :         return true;
    1347             : }
    1348             : 
    1349           0 : void dce110_opp_set_csc_adjustment(
    1350             :         struct transform *xfm,
    1351             :         const struct out_csc_color_matrix *tbl_entry)
    1352             : {
    1353           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1354           0 :         enum csc_color_mode config =
    1355             :                         CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
    1356             : 
    1357           0 :         program_color_matrix(
    1358             :                         xfm_dce, tbl_entry, GRPH_COLOR_MATRIX_SW);
    1359             : 
    1360             :         /*  We did everything ,now program DxOUTPUT_CSC_CONTROL */
    1361           0 :         configure_graphics_mode(xfm_dce, config, GRAPHICS_CSC_ADJUST_TYPE_SW,
    1362             :                         tbl_entry->color_space);
    1363           0 : }
    1364             : 
    1365           0 : void dce110_opp_set_csc_default(
    1366             :         struct transform *xfm,
    1367             :         const struct default_adjustment *default_adjust)
    1368             : {
    1369           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1370           0 :         enum csc_color_mode config =
    1371             :                         CSC_COLOR_MODE_GRAPHICS_PREDEFINED;
    1372             : 
    1373           0 :         if (default_adjust->force_hw_default == false) {
    1374             :                 const struct out_csc_color_matrix *elm;
    1375             :                 /* currently parameter not in use */
    1376             :                 enum grph_color_adjust_option option =
    1377             :                         GRPH_COLOR_MATRIX_HW_DEFAULT;
    1378             :                 uint32_t i;
    1379             :                 /*
    1380             :                  * HW default false we program locally defined matrix
    1381             :                  * HW default true  we use predefined hw matrix and we
    1382             :                  * do not need to program matrix
    1383             :                  * OEM wants the HW default via runtime parameter.
    1384             :                  */
    1385             :                 option = GRPH_COLOR_MATRIX_SW;
    1386             : 
    1387           0 :                 for (i = 0; i < ARRAY_SIZE(global_color_matrix); ++i) {
    1388           0 :                         elm = &global_color_matrix[i];
    1389           0 :                         if (elm->color_space != default_adjust->out_color_space)
    1390           0 :                                 continue;
    1391             :                         /* program the matrix with default values from this
    1392             :                          * file */
    1393           0 :                         program_color_matrix(xfm_dce, elm, option);
    1394           0 :                         config = CSC_COLOR_MODE_GRAPHICS_OUTPUT_CSC;
    1395           0 :                         break;
    1396             :                 }
    1397             :         }
    1398             : 
    1399             :         /* configure the what we programmed :
    1400             :          * 1. Default values from this file
    1401             :          * 2. Use hardware default from ROM_A and we do not need to program
    1402             :          * matrix */
    1403             : 
    1404           0 :         configure_graphics_mode(xfm_dce, config,
    1405             :                 default_adjust->csc_adjust_type,
    1406             :                 default_adjust->out_color_space);
    1407           0 : }
    1408             : 
    1409           0 : static void program_pwl(struct dce_transform *xfm_dce,
    1410             :                         const struct pwl_params *params)
    1411             : {
    1412             :         int retval;
    1413           0 :         uint8_t max_tries = 10;
    1414           0 :         uint8_t counter = 0;
    1415           0 :         uint32_t i = 0;
    1416           0 :         const struct pwl_result_data *rgb = params->rgb_resulted;
    1417             : 
    1418             :         /* Power on LUT memory */
    1419           0 :         if (REG(DCFE_MEM_PWR_CTRL))
    1420           0 :                 REG_UPDATE(DCFE_MEM_PWR_CTRL,
    1421             :                            DCP_REGAMMA_MEM_PWR_DIS, 1);
    1422             :         else
    1423           0 :                 REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
    1424             :                            REGAMMA_LUT_LIGHT_SLEEP_DIS, 1);
    1425             : 
    1426           0 :         while (counter < max_tries) {
    1427           0 :                 if (REG(DCFE_MEM_PWR_STATUS)) {
    1428           0 :                         REG_GET(DCFE_MEM_PWR_STATUS,
    1429             :                                 DCP_REGAMMA_MEM_PWR_STATE,
    1430             :                                 &retval);
    1431             : 
    1432           0 :                         if (retval == 0)
    1433             :                                 break;
    1434           0 :                         ++counter;
    1435             :                 } else {
    1436           0 :                         REG_GET(DCFE_MEM_LIGHT_SLEEP_CNTL,
    1437             :                                 REGAMMA_LUT_MEM_PWR_STATE,
    1438             :                                 &retval);
    1439             : 
    1440           0 :                         if (retval == 0)
    1441             :                                 break;
    1442           0 :                         ++counter;
    1443             :                 }
    1444             :         }
    1445             : 
    1446           0 :         if (counter == max_tries) {
    1447           0 :                 DC_LOG_WARNING("%s: regamma lut was not powered on "
    1448             :                                 "in a timely manner,"
    1449             :                                 " programming still proceeds\n",
    1450             :                                 __func__);
    1451             :         }
    1452             : 
    1453           0 :         REG_UPDATE(REGAMMA_LUT_WRITE_EN_MASK,
    1454             :                    REGAMMA_LUT_WRITE_EN_MASK, 7);
    1455             : 
    1456           0 :         REG_WRITE(REGAMMA_LUT_INDEX, 0);
    1457             : 
    1458             :         /* Program REGAMMA_LUT_DATA */
    1459           0 :         while (i != params->hw_points_num) {
    1460             : 
    1461           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->red_reg);
    1462           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->green_reg);
    1463           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->blue_reg);
    1464           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_red_reg);
    1465           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_green_reg);
    1466           0 :                 REG_WRITE(REGAMMA_LUT_DATA, rgb->delta_blue_reg);
    1467             : 
    1468           0 :                 ++rgb;
    1469           0 :                 ++i;
    1470             :         }
    1471             : 
    1472             :         /*  we are done with DCP LUT memory; re-enable low power mode */
    1473           0 :         if (REG(DCFE_MEM_PWR_CTRL))
    1474           0 :                 REG_UPDATE(DCFE_MEM_PWR_CTRL,
    1475             :                            DCP_REGAMMA_MEM_PWR_DIS, 0);
    1476             :         else
    1477           0 :                 REG_UPDATE(DCFE_MEM_LIGHT_SLEEP_CNTL,
    1478             :                            REGAMMA_LUT_LIGHT_SLEEP_DIS, 0);
    1479           0 : }
    1480             : 
    1481           0 : static void regamma_config_regions_and_segments(struct dce_transform *xfm_dce,
    1482             :                                                 const struct pwl_params *params)
    1483             : {
    1484             :         const struct gamma_curve *curve;
    1485             : 
    1486           0 :         REG_SET_2(REGAMMA_CNTLA_START_CNTL, 0,
    1487             :                   REGAMMA_CNTLA_EXP_REGION_START, params->arr_points[0].custom_float_x,
    1488             :                   REGAMMA_CNTLA_EXP_REGION_START_SEGMENT, 0);
    1489             : 
    1490           0 :         REG_SET(REGAMMA_CNTLA_SLOPE_CNTL, 0,
    1491             :                 REGAMMA_CNTLA_EXP_REGION_LINEAR_SLOPE, params->arr_points[0].custom_float_slope);
    1492             : 
    1493           0 :         REG_SET(REGAMMA_CNTLA_END_CNTL1, 0,
    1494             :                 REGAMMA_CNTLA_EXP_REGION_END, params->arr_points[1].custom_float_x);
    1495             : 
    1496           0 :         REG_SET_2(REGAMMA_CNTLA_END_CNTL2, 0,
    1497             :                   REGAMMA_CNTLA_EXP_REGION_END_BASE, params->arr_points[1].custom_float_y,
    1498             :                   REGAMMA_CNTLA_EXP_REGION_END_SLOPE, params->arr_points[1].custom_float_slope);
    1499             : 
    1500           0 :         curve = params->arr_curve_points;
    1501             : 
    1502           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_0_1, 0,
    1503             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1504             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1505             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1506             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1507           0 :         curve += 2;
    1508             : 
    1509           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_2_3, 0,
    1510             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1511             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1512             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1513             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1514           0 :         curve += 2;
    1515             : 
    1516           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_4_5, 0,
    1517             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1518             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1519             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1520             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1521           0 :         curve += 2;
    1522             : 
    1523           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_6_7, 0,
    1524             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1525             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1526             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1527             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1528           0 :         curve += 2;
    1529             : 
    1530           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_8_9, 0,
    1531             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1532             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1533             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1534             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1535           0 :         curve += 2;
    1536             : 
    1537           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_10_11, 0,
    1538             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1539             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1540             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1541             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1542           0 :         curve += 2;
    1543             : 
    1544           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_12_13, 0,
    1545             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1546             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1547             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1548             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1549           0 :         curve += 2;
    1550             : 
    1551           0 :         REG_SET_4(REGAMMA_CNTLA_REGION_14_15, 0,
    1552             :                   REGAMMA_CNTLA_EXP_REGION0_LUT_OFFSET, curve[0].offset,
    1553             :                   REGAMMA_CNTLA_EXP_REGION0_NUM_SEGMENTS, curve[0].segments_num,
    1554             :                   REGAMMA_CNTLA_EXP_REGION1_LUT_OFFSET, curve[1].offset,
    1555             :                   REGAMMA_CNTLA_EXP_REGION1_NUM_SEGMENTS, curve[1].segments_num);
    1556           0 : }
    1557             : 
    1558             : 
    1559             : 
    1560           0 : void dce110_opp_program_regamma_pwl(struct transform *xfm,
    1561             :                                     const struct pwl_params *params)
    1562             : {
    1563           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1564             : 
    1565             :         /* Setup regions */
    1566           0 :         regamma_config_regions_and_segments(xfm_dce, params);
    1567             : 
    1568             :         /* Program PWL */
    1569           0 :         program_pwl(xfm_dce, params);
    1570           0 : }
    1571             : 
    1572           0 : void dce110_opp_power_on_regamma_lut(struct transform *xfm,
    1573             :                                      bool power_on)
    1574             : {
    1575           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1576             : 
    1577           0 :         if (REG(DCFE_MEM_PWR_CTRL))
    1578           0 :                 REG_UPDATE_2(DCFE_MEM_PWR_CTRL,
    1579             :                              DCP_REGAMMA_MEM_PWR_DIS, power_on,
    1580             :                              DCP_LUT_MEM_PWR_DIS, power_on);
    1581             :         else
    1582           0 :                 REG_UPDATE_2(DCFE_MEM_LIGHT_SLEEP_CNTL,
    1583             :                             REGAMMA_LUT_LIGHT_SLEEP_DIS, power_on,
    1584             :                             DCP_LUT_LIGHT_SLEEP_DIS, power_on);
    1585             : 
    1586           0 : }
    1587             : 
    1588           0 : void dce110_opp_set_regamma_mode(struct transform *xfm,
    1589             :                                  enum opp_regamma mode)
    1590             : {
    1591           0 :         struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
    1592             : 
    1593           0 :         REG_SET(REGAMMA_CONTROL, 0,
    1594             :                 GRPH_REGAMMA_MODE, mode);
    1595           0 : }
    1596             : 
    1597             : static const struct transform_funcs dce_transform_funcs = {
    1598             :         .transform_reset = dce_transform_reset,
    1599             :         .transform_set_scaler = dce_transform_set_scaler,
    1600             :         .transform_set_gamut_remap = dce_transform_set_gamut_remap,
    1601             :         .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
    1602             :         .opp_set_csc_default = dce110_opp_set_csc_default,
    1603             :         .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
    1604             :         .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
    1605             :         .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
    1606             :         .transform_set_pixel_storage_depth = dce_transform_set_pixel_storage_depth,
    1607             :         .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps
    1608             : };
    1609             : 
    1610             : #if defined(CONFIG_DRM_AMD_DC_SI)
    1611             : static const struct transform_funcs dce60_transform_funcs = {
    1612             :         .transform_reset = dce_transform_reset,
    1613             :         .transform_set_scaler = dce60_transform_set_scaler,
    1614             :         .transform_set_gamut_remap = dce_transform_set_gamut_remap,
    1615             :         .opp_set_csc_adjustment = dce110_opp_set_csc_adjustment,
    1616             :         .opp_set_csc_default = dce110_opp_set_csc_default,
    1617             :         .opp_power_on_regamma_lut = dce110_opp_power_on_regamma_lut,
    1618             :         .opp_program_regamma_pwl = dce110_opp_program_regamma_pwl,
    1619             :         .opp_set_regamma_mode = dce110_opp_set_regamma_mode,
    1620             :         .transform_set_pixel_storage_depth = dce60_transform_set_pixel_storage_depth,
    1621             :         .transform_get_optimal_number_of_taps = dce_transform_get_optimal_number_of_taps
    1622             : };
    1623             : #endif
    1624             : 
    1625             : /*****************************************/
    1626             : /* Constructor, Destructor               */
    1627             : /*****************************************/
    1628             : 
    1629           0 : void dce_transform_construct(
    1630             :         struct dce_transform *xfm_dce,
    1631             :         struct dc_context *ctx,
    1632             :         uint32_t inst,
    1633             :         const struct dce_transform_registers *regs,
    1634             :         const struct dce_transform_shift *xfm_shift,
    1635             :         const struct dce_transform_mask *xfm_mask)
    1636             : {
    1637           0 :         xfm_dce->base.ctx = ctx;
    1638             : 
    1639           0 :         xfm_dce->base.inst = inst;
    1640           0 :         xfm_dce->base.funcs = &dce_transform_funcs;
    1641             : 
    1642           0 :         xfm_dce->regs = regs;
    1643           0 :         xfm_dce->xfm_shift = xfm_shift;
    1644           0 :         xfm_dce->xfm_mask = xfm_mask;
    1645             : 
    1646           0 :         xfm_dce->prescaler_on = true;
    1647           0 :         xfm_dce->lb_pixel_depth_supported =
    1648             :                         LB_PIXEL_DEPTH_18BPP |
    1649             :                         LB_PIXEL_DEPTH_24BPP |
    1650             :                         LB_PIXEL_DEPTH_30BPP |
    1651             :                         LB_PIXEL_DEPTH_36BPP;
    1652             : 
    1653           0 :         xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
    1654           0 :         xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
    1655           0 : }
    1656             : 
    1657             : #if defined(CONFIG_DRM_AMD_DC_SI)
    1658             : void dce60_transform_construct(
    1659             :         struct dce_transform *xfm_dce,
    1660             :         struct dc_context *ctx,
    1661             :         uint32_t inst,
    1662             :         const struct dce_transform_registers *regs,
    1663             :         const struct dce_transform_shift *xfm_shift,
    1664             :         const struct dce_transform_mask *xfm_mask)
    1665             : {
    1666             :         xfm_dce->base.ctx = ctx;
    1667             : 
    1668             :         xfm_dce->base.inst = inst;
    1669             :         xfm_dce->base.funcs = &dce60_transform_funcs;
    1670             : 
    1671             :         xfm_dce->regs = regs;
    1672             :         xfm_dce->xfm_shift = xfm_shift;
    1673             :         xfm_dce->xfm_mask = xfm_mask;
    1674             : 
    1675             :         xfm_dce->prescaler_on = true;
    1676             :         xfm_dce->lb_pixel_depth_supported =
    1677             :                         LB_PIXEL_DEPTH_18BPP |
    1678             :                         LB_PIXEL_DEPTH_24BPP |
    1679             :                         LB_PIXEL_DEPTH_30BPP |
    1680             :                         LB_PIXEL_DEPTH_36BPP;
    1681             : 
    1682             :         xfm_dce->lb_bits_per_entry = LB_BITS_PER_ENTRY;
    1683             :         xfm_dce->lb_memory_size = LB_TOTAL_NUMBER_OF_ENTRIES; /*0x6B0*/
    1684             : }
    1685             : #endif

Generated by: LCOV version 1.14