diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c new file mode 100644 index 000000000000..a136f70b7a3c --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_opp.c @@ -0,0 +1,351 @@ +/* + * Copyright 2012-15 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dm_services.h" +#include "dcn10_opp.h" +#include "reg_helper.h" + +#define REG(reg) \ + (oppn10->regs->reg) + +#undef FN +#define FN(reg_name, field_name) \ + oppn10->opp_shift->field_name, oppn10->opp_mask->field_name + +#define CTX \ + oppn10->base.ctx + + + +/************* FORMATTER ************/ + +/** + * set_truncation + * 1) set truncation depth: 0 for 18 bpp or 1 for 24 bpp + * 2) enable truncation + * 3) HW remove 12bit FMT support for DCE11 power saving reason. + */ +static void set_truncation( + struct dcn10_opp *oppn10, + const struct bit_depth_reduction_params *params) +{ + REG_UPDATE_3(FMT_BIT_DEPTH_CONTROL, + FMT_TRUNCATE_EN, params->flags.TRUNCATE_ENABLED, + FMT_TRUNCATE_DEPTH, params->flags.TRUNCATE_DEPTH, + FMT_TRUNCATE_MODE, params->flags.TRUNCATE_MODE); +} + +static void set_spatial_dither( + struct dcn10_opp *oppn10, + const struct bit_depth_reduction_params *params) +{ + /*Disable spatial (random) dithering*/ + REG_UPDATE_7(FMT_BIT_DEPTH_CONTROL, + FMT_SPATIAL_DITHER_EN, 0, + FMT_SPATIAL_DITHER_MODE, 0, + FMT_SPATIAL_DITHER_DEPTH, 0, + FMT_TEMPORAL_DITHER_EN, 0, + FMT_HIGHPASS_RANDOM_ENABLE, 0, + FMT_FRAME_RANDOM_ENABLE, 0, + FMT_RGB_RANDOM_ENABLE, 0); + + + /* only use FRAME_COUNTER_MAX if frameRandom == 1*/ + if (params->flags.FRAME_RANDOM == 1) { + if (params->flags.SPATIAL_DITHER_DEPTH == 0 || params->flags.SPATIAL_DITHER_DEPTH == 1) { + REG_UPDATE_2(FMT_CONTROL, + FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 15, + FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 2); + } else if (params->flags.SPATIAL_DITHER_DEPTH == 2) { + REG_UPDATE_2(FMT_CONTROL, + FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 3, + FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 1); + } else { + return; + } + } else { + REG_UPDATE_2(FMT_CONTROL, + FMT_SPATIAL_DITHER_FRAME_COUNTER_MAX, 0, + FMT_SPATIAL_DITHER_FRAME_COUNTER_BIT_SWAP, 0); + } + + /*Set seed for random values for + * spatial dithering for R,G,B channels*/ + + REG_SET(FMT_DITHER_RAND_R_SEED, 0, + FMT_RAND_R_SEED, params->r_seed_value); + + REG_SET(FMT_DITHER_RAND_G_SEED, 0, + FMT_RAND_G_SEED, params->g_seed_value); + + REG_SET(FMT_DITHER_RAND_B_SEED, 0, + FMT_RAND_B_SEED, params->b_seed_value); + + /* FMT_OFFSET_R_Cr 31:16 0x0 Setting the zero + * offset for the R/Cr channel, lower 4LSB + * is forced to zeros. Typically set to 0 + * RGB and 0x80000 YCbCr. + */ + /* FMT_OFFSET_G_Y 31:16 0x0 Setting the zero + * offset for the G/Y channel, lower 4LSB is + * forced to zeros. Typically set to 0 RGB + * and 0x80000 YCbCr. + */ + /* FMT_OFFSET_B_Cb 31:16 0x0 Setting the zero + * offset for the B/Cb channel, lower 4LSB is + * forced to zeros. Typically set to 0 RGB and + * 0x80000 YCbCr. + */ + + REG_UPDATE_6(FMT_BIT_DEPTH_CONTROL, + /*Enable spatial dithering*/ + FMT_SPATIAL_DITHER_EN, params->flags.SPATIAL_DITHER_ENABLED, + /* Set spatial dithering mode + * (default is Seed patterrn AAAA...) + */ + FMT_SPATIAL_DITHER_MODE, params->flags.SPATIAL_DITHER_MODE, + /*Set spatial dithering bit depth*/ + FMT_SPATIAL_DITHER_DEPTH, params->flags.SPATIAL_DITHER_DEPTH, + /*Disable High pass filter*/ + FMT_HIGHPASS_RANDOM_ENABLE, params->flags.HIGHPASS_RANDOM, + /*Reset only at startup*/ + FMT_FRAME_RANDOM_ENABLE, params->flags.FRAME_RANDOM, + /*Set RGB data dithered with x^28+x^3+1*/ + FMT_RGB_RANDOM_ENABLE, params->flags.RGB_RANDOM); +} + +static void oppn10_program_bit_depth_reduction( + struct output_pixel_processor *opp, + const struct bit_depth_reduction_params *params) +{ + struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); + + set_truncation(oppn10, params); + set_spatial_dither(oppn10, params); + /* TODO + * set_temporal_dither(oppn10, params); + */ +} + +/** + * set_pixel_encoding + * + * Set Pixel Encoding + * 0: RGB 4:4:4 or YCbCr 4:4:4 or YOnly + * 1: YCbCr 4:2:2 + */ +static void set_pixel_encoding( + struct dcn10_opp *oppn10, + const struct clamping_and_pixel_encoding_params *params) +{ + switch (params->pixel_encoding) { + + case PIXEL_ENCODING_RGB: + case PIXEL_ENCODING_YCBCR444: + REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 0); + break; + case PIXEL_ENCODING_YCBCR422: + REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 1); + break; + case PIXEL_ENCODING_YCBCR420: + REG_UPDATE(FMT_CONTROL, FMT_PIXEL_ENCODING, 2); + break; + default: + break; + } +} + +/** + * Set Clamping + * 1) Set clamping format based on bpc - 0 for 6bpc (No clamping) + * 1 for 8 bpc + * 2 for 10 bpc + * 3 for 12 bpc + * 7 for programable + * 2) Enable clamp if Limited range requested + */ +static void opp_set_clamping( + struct dcn10_opp *oppn10, + const struct clamping_and_pixel_encoding_params *params) +{ + REG_UPDATE_2(FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN, 0, + FMT_CLAMP_COLOR_FORMAT, 0); + + switch (params->clamping_level) { + case CLAMPING_FULL_RANGE: + REG_UPDATE_2(FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN, 1, + FMT_CLAMP_COLOR_FORMAT, 0); + break; + case CLAMPING_LIMITED_RANGE_8BPC: + REG_UPDATE_2(FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN, 1, + FMT_CLAMP_COLOR_FORMAT, 1); + break; + case CLAMPING_LIMITED_RANGE_10BPC: + REG_UPDATE_2(FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN, 1, + FMT_CLAMP_COLOR_FORMAT, 2); + + break; + case CLAMPING_LIMITED_RANGE_12BPC: + REG_UPDATE_2(FMT_CLAMP_CNTL, + FMT_CLAMP_DATA_EN, 1, + FMT_CLAMP_COLOR_FORMAT, 3); + break; + case CLAMPING_LIMITED_RANGE_PROGRAMMABLE: + /* TODO */ + default: + break; + } + +} + +static void oppn10_set_dyn_expansion( + struct output_pixel_processor *opp, + enum dc_color_space color_sp, + enum dc_color_depth color_dpth, + enum signal_type signal) +{ + struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); + + REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, + FMT_DYNAMIC_EXP_EN, 0, + FMT_DYNAMIC_EXP_MODE, 0); + + /*00 - 10-bit -> 12-bit dynamic expansion*/ + /*01 - 8-bit -> 12-bit dynamic expansion*/ + if (signal == SIGNAL_TYPE_HDMI_TYPE_A || + signal == SIGNAL_TYPE_DISPLAY_PORT || + signal == SIGNAL_TYPE_DISPLAY_PORT_MST || + signal == SIGNAL_TYPE_VIRTUAL) { + switch (color_dpth) { + case COLOR_DEPTH_888: + REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, + FMT_DYNAMIC_EXP_EN, 1, + FMT_DYNAMIC_EXP_MODE, 1); + break; + case COLOR_DEPTH_101010: + REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, + FMT_DYNAMIC_EXP_EN, 1, + FMT_DYNAMIC_EXP_MODE, 0); + break; + case COLOR_DEPTH_121212: + REG_UPDATE_2(FMT_DYNAMIC_EXP_CNTL, + FMT_DYNAMIC_EXP_EN, 1,/*otherwise last two bits are zero*/ + FMT_DYNAMIC_EXP_MODE, 0); + break; + default: + break; + } + } +} + +static void opp_program_clamping_and_pixel_encoding( + struct output_pixel_processor *opp, + const struct clamping_and_pixel_encoding_params *params) +{ + struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); + + opp_set_clamping(oppn10, params); + set_pixel_encoding(oppn10, params); +} + +static void oppn10_program_fmt( + struct output_pixel_processor *opp, + struct bit_depth_reduction_params *fmt_bit_depth, + struct clamping_and_pixel_encoding_params *clamping) +{ + struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); + + if (clamping->pixel_encoding == PIXEL_ENCODING_YCBCR420) + REG_UPDATE(FMT_MAP420_MEMORY_CONTROL, FMT_MAP420MEM_PWR_FORCE, 0); + + /* dithering is affected by <CrtcSourceSelect>, hence should be + * programmed afterwards */ + oppn10_program_bit_depth_reduction( + opp, + fmt_bit_depth); + + opp_program_clamping_and_pixel_encoding( + opp, + clamping); + + return; +} + + + +static void oppn10_set_stereo_polarity( + struct output_pixel_processor *opp, + bool enable, bool rightEyePolarity) +{ + struct dcn10_opp *oppn10 = TO_DCN10_OPP(opp); + + REG_UPDATE(FMT_CONTROL, FMT_STEREOSYNC_OVERRIDE, enable); +} + +/*****************************************/ +/* Constructor, Destructor */ +/*****************************************/ + +static void dcn10_opp_destroy(struct output_pixel_processor **opp) +{ + kfree(TO_DCN10_OPP(*opp)); + *opp = NULL; +} + +static struct opp_funcs dcn10_opp_funcs = { + .opp_set_dyn_expansion = oppn10_set_dyn_expansion, + .opp_program_fmt = oppn10_program_fmt, + .opp_program_bit_depth_reduction = oppn10_program_bit_depth_reduction, + .opp_set_stereo_polarity = oppn10_set_stereo_polarity, + .opp_destroy = dcn10_opp_destroy +}; + +void dcn10_opp_construct(struct dcn10_opp *oppn10, + struct dc_context *ctx, + uint32_t inst, + const struct dcn10_opp_registers *regs, + const struct dcn10_opp_shift *opp_shift, + const struct dcn10_opp_mask *opp_mask) +{ + int i; + oppn10->base.ctx = ctx; + oppn10->base.inst = inst; + oppn10->base.funcs = &dcn10_opp_funcs; + + oppn10->base.mpc_tree.dpp[0] = inst; + oppn10->base.mpc_tree.mpcc[0] = inst; + oppn10->base.mpc_tree.num_pipes = 1; + for (i = 0; i < MAX_PIPES; i++) + oppn10->base.mpcc_disconnect_pending[i] = false; + + oppn10->regs = regs; + oppn10->opp_shift = opp_shift; + oppn10->opp_mask = opp_mask; +} + |