diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c | 1914 |
1 files changed, 1914 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c new file mode 100644 index 000000000000..c2037daa8e66 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/dml/dml1_display_rq_dlg_calc.c @@ -0,0 +1,1914 @@ +/* + * Copyright 2017 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#include "dml1_display_rq_dlg_calc.h" +#include "display_mode_lib.h" + +#include "dml_inline_defs.h" + +/* + * NOTE: + * This file is gcc-parseable HW gospel, coming straight from HW engineers. + * + * It doesn't adhere to Linux kernel style and sometimes will do things in odd + * ways. Unless there is something clearly wrong with it the code should + * remain as-is as it provides us with a guarantee from HW that it is correct. + */ + +static unsigned int get_bytes_per_element(enum source_format_class source_format, bool is_chroma) +{ + unsigned int ret_val = 0; + + if (source_format == dm_444_16) { + if (!is_chroma) + ret_val = 2; + } else if (source_format == dm_444_32) { + if (!is_chroma) + ret_val = 4; + } else if (source_format == dm_444_64) { + if (!is_chroma) + ret_val = 8; + } else if (source_format == dm_420_8) { + if (is_chroma) + ret_val = 2; + else + ret_val = 1; + } else if (source_format == dm_420_10) { + if (is_chroma) + ret_val = 4; + else + ret_val = 2; + } + return ret_val; +} + +static bool is_dual_plane(enum source_format_class source_format) +{ + bool ret_val = 0; + + if ((source_format == dm_420_8) || (source_format == dm_420_10)) + ret_val = 1; + + return ret_val; +} + +static void get_blk256_size( + unsigned int *blk256_width, + unsigned int *blk256_height, + unsigned int bytes_per_element) +{ + if (bytes_per_element == 1) { + *blk256_width = 16; + *blk256_height = 16; + } else if (bytes_per_element == 2) { + *blk256_width = 16; + *blk256_height = 8; + } else if (bytes_per_element == 4) { + *blk256_width = 8; + *blk256_height = 8; + } else if (bytes_per_element == 8) { + *blk256_width = 8; + *blk256_height = 4; + } +} + +static double get_refcyc_per_delivery( + struct display_mode_lib *mode_lib, + double refclk_freq_in_mhz, + double pclk_freq_in_mhz, + unsigned int recout_width, + double vratio, + double hscale_pixel_rate, + unsigned int delivery_width, + unsigned int req_per_swath_ub) +{ + double refcyc_per_delivery = 0.0; + + if (vratio <= 1.0) { + refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) recout_width + / pclk_freq_in_mhz / (double) req_per_swath_ub; + } else { + refcyc_per_delivery = (double) refclk_freq_in_mhz * (double) delivery_width + / (double) hscale_pixel_rate / (double) req_per_swath_ub; + } + + DTRACE("DLG: %s: refclk_freq_in_mhz = %3.2f", __func__, refclk_freq_in_mhz); + DTRACE("DLG: %s: pclk_freq_in_mhz = %3.2f", __func__, pclk_freq_in_mhz); + DTRACE("DLG: %s: recout_width = %d", __func__, recout_width); + DTRACE("DLG: %s: vratio = %3.2f", __func__, vratio); + DTRACE("DLG: %s: req_per_swath_ub = %d", __func__, req_per_swath_ub); + DTRACE("DLG: %s: refcyc_per_delivery= %3.2f", __func__, refcyc_per_delivery); + + return refcyc_per_delivery; + +} + +static double get_vratio_pre( + struct display_mode_lib *mode_lib, + unsigned int max_num_sw, + unsigned int max_partial_sw, + unsigned int swath_height, + double vinit, + double l_sw) +{ + double prefill = dml_floor(vinit, 1); + double vratio_pre = 1.0; + + vratio_pre = (max_num_sw * swath_height + max_partial_sw) / l_sw; + + if (swath_height > 4) { + double tmp0 = (max_num_sw * swath_height) / (l_sw - (prefill - 3.0) / 2.0); + + if (tmp0 > vratio_pre) + vratio_pre = tmp0; + } + + DTRACE("DLG: %s: max_num_sw = %0d", __func__, max_num_sw); + DTRACE("DLG: %s: max_partial_sw = %0d", __func__, max_partial_sw); + DTRACE("DLG: %s: swath_height = %0d", __func__, swath_height); + DTRACE("DLG: %s: vinit = %3.2f", __func__, vinit); + DTRACE("DLG: %s: vratio_pre = %3.2f", __func__, vratio_pre); + + if (vratio_pre < 1.0) { + DTRACE("WARNING_DLG: %s: vratio_pre=%3.2f < 1.0, set to 1.0", __func__, vratio_pre); + vratio_pre = 1.0; + } + + if (vratio_pre > 4.0) { + DTRACE( + "WARNING_DLG: %s: vratio_pre=%3.2f > 4.0 (max scaling ratio). set to 4.0", + __func__, + vratio_pre); + vratio_pre = 4.0; + } + + return vratio_pre; +} + +static void get_swath_need( + struct display_mode_lib *mode_lib, + unsigned int *max_num_sw, + unsigned int *max_partial_sw, + unsigned int swath_height, + double vinit) +{ + double prefill = dml_floor(vinit, 1); + unsigned int max_partial_sw_int; + + DTRACE("DLG: %s: swath_height = %0d", __func__, swath_height); + DTRACE("DLG: %s: vinit = %3.2f", __func__, vinit); + + ASSERT(prefill > 0.0 && prefill <= 8.0); + + *max_num_sw = (unsigned int) (dml_ceil((prefill - 1.0) / (double) swath_height, 1) + 1.0); /* prefill has to be >= 1 */ + max_partial_sw_int = + (prefill == 1) ? + (swath_height - 1) : + ((unsigned int) (prefill - 2.0) % swath_height); + *max_partial_sw = (max_partial_sw_int < 1) ? 1 : max_partial_sw_int; /* ensure minimum of 1 is used */ + + DTRACE("DLG: %s: max_num_sw = %0d", __func__, *max_num_sw); + DTRACE("DLG: %s: max_partial_sw = %0d", __func__, *max_partial_sw); +} + +static unsigned int get_blk_size_bytes(const enum source_macro_tile_size tile_size) +{ + if (tile_size == dm_256k_tile) + return (256 * 1024); + else if (tile_size == dm_64k_tile) + return (64 * 1024); + else + return (4 * 1024); +} + +static void extract_rq_sizing_regs( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_data_rq_regs_st *rq_regs, + const struct _vcs_dpi_display_data_rq_sizing_params_st rq_sizing) +{ + DTRACE("DLG: %s: rq_sizing param", __func__); + print__data_rq_sizing_params_st(mode_lib, rq_sizing); + + rq_regs->chunk_size = dml_log2(rq_sizing.chunk_bytes) - 10; + + if (rq_sizing.min_chunk_bytes == 0) + rq_regs->min_chunk_size = 0; + else + rq_regs->min_chunk_size = dml_log2(rq_sizing.min_chunk_bytes) - 8 + 1; + + rq_regs->meta_chunk_size = dml_log2(rq_sizing.meta_chunk_bytes) - 10; + if (rq_sizing.min_meta_chunk_bytes == 0) + rq_regs->min_meta_chunk_size = 0; + else + rq_regs->min_meta_chunk_size = dml_log2(rq_sizing.min_meta_chunk_bytes) - 6 + 1; + + rq_regs->dpte_group_size = dml_log2(rq_sizing.dpte_group_bytes) - 6; + rq_regs->mpte_group_size = dml_log2(rq_sizing.mpte_group_bytes) - 6; +} + +void dml1_extract_rq_regs( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_rq_regs_st *rq_regs, + const struct _vcs_dpi_display_rq_params_st rq_param) +{ + unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024; + unsigned int detile_buf_plane1_addr = 0; + + extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_l), rq_param.sizing.rq_l); + if (rq_param.yuv420) + extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), rq_param.sizing.rq_c); + + rq_regs->rq_regs_l.swath_height = dml_log2(rq_param.dlg.rq_l.swath_height); + rq_regs->rq_regs_c.swath_height = dml_log2(rq_param.dlg.rq_c.swath_height); + + /* FIXME: take the max between luma, chroma chunk size? + * okay for now, as we are setting chunk_bytes to 8kb anyways + */ + if (rq_param.sizing.rq_l.chunk_bytes >= 32 * 1024) { /*32kb */ + rq_regs->drq_expansion_mode = 0; + } else { + rq_regs->drq_expansion_mode = 2; + } + rq_regs->prq_expansion_mode = 1; + rq_regs->mrq_expansion_mode = 1; + rq_regs->crq_expansion_mode = 1; + + if (rq_param.yuv420) { + if ((double) rq_param.misc.rq_l.stored_swath_bytes + / (double) rq_param.misc.rq_c.stored_swath_bytes <= 1.5) { + detile_buf_plane1_addr = (detile_buf_size_in_bytes / 2.0 / 64.0); /* half to chroma */ + } else { + detile_buf_plane1_addr = dml_round_to_multiple( + (unsigned int) ((2.0 * detile_buf_size_in_bytes) / 3.0), + 256, + 0) / 64.0; /* 2/3 to chroma */ + } + } + rq_regs->plane1_base_address = detile_buf_plane1_addr; +} + +static void handle_det_buf_split( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_rq_params_st *rq_param, + const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param) +{ + unsigned int total_swath_bytes = 0; + unsigned int swath_bytes_l = 0; + unsigned int swath_bytes_c = 0; + unsigned int full_swath_bytes_packed_l = 0; + unsigned int full_swath_bytes_packed_c = 0; + bool req128_l = 0; + bool req128_c = 0; + bool surf_linear = (pipe_src_param.sw_mode == dm_sw_linear); + bool surf_vert = (pipe_src_param.source_scan == dm_vert); + unsigned int log2_swath_height_l = 0; + unsigned int log2_swath_height_c = 0; + unsigned int detile_buf_size_in_bytes = mode_lib->ip.det_buffer_size_kbytes * 1024; + + full_swath_bytes_packed_l = rq_param->misc.rq_l.full_swath_bytes; + full_swath_bytes_packed_c = rq_param->misc.rq_c.full_swath_bytes; + + if (rq_param->yuv420_10bpc) { + full_swath_bytes_packed_l = dml_round_to_multiple( + rq_param->misc.rq_l.full_swath_bytes * 2 / 3, + 256, + 1) + 256; + full_swath_bytes_packed_c = dml_round_to_multiple( + rq_param->misc.rq_c.full_swath_bytes * 2 / 3, + 256, + 1) + 256; + } + + if (rq_param->yuv420) { + total_swath_bytes = 2 * full_swath_bytes_packed_l + 2 * full_swath_bytes_packed_c; + + if (total_swath_bytes <= detile_buf_size_in_bytes) { /*full 256b request */ + req128_l = 0; + req128_c = 0; + swath_bytes_l = full_swath_bytes_packed_l; + swath_bytes_c = full_swath_bytes_packed_c; + } else { /*128b request (for luma only for yuv420 8bpc) */ + req128_l = 1; + req128_c = 0; + swath_bytes_l = full_swath_bytes_packed_l / 2; + swath_bytes_c = full_swath_bytes_packed_c; + } + + /* Bug workaround, luma and chroma req size needs to be the same. (see: DEGVIDCN10-137) + * TODO: Remove after rtl fix + */ + if (req128_l == 1) { + req128_c = 1; + DTRACE("DLG: %s: bug workaround DEGVIDCN10-137", __func__); + } + + /* Note: assumption, the config that pass in will fit into + * the detiled buffer. + */ + } else { + total_swath_bytes = 2 * full_swath_bytes_packed_l; + + if (total_swath_bytes <= detile_buf_size_in_bytes) + req128_l = 0; + else + req128_l = 1; + + swath_bytes_l = total_swath_bytes; + swath_bytes_c = 0; + } + rq_param->misc.rq_l.stored_swath_bytes = swath_bytes_l; + rq_param->misc.rq_c.stored_swath_bytes = swath_bytes_c; + + if (surf_linear) { + log2_swath_height_l = 0; + log2_swath_height_c = 0; + } else if (!surf_vert) { + log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_height) - req128_l; + log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_height) - req128_c; + } else { + log2_swath_height_l = dml_log2(rq_param->misc.rq_l.blk256_width) - req128_l; + log2_swath_height_c = dml_log2(rq_param->misc.rq_c.blk256_width) - req128_c; + } + rq_param->dlg.rq_l.swath_height = 1 << log2_swath_height_l; + rq_param->dlg.rq_c.swath_height = 1 << log2_swath_height_c; + + DTRACE("DLG: %s: req128_l = %0d", __func__, req128_l); + DTRACE("DLG: %s: req128_c = %0d", __func__, req128_c); + DTRACE("DLG: %s: full_swath_bytes_packed_l = %0d", __func__, full_swath_bytes_packed_l); + DTRACE("DLG: %s: full_swath_bytes_packed_c = %0d", __func__, full_swath_bytes_packed_c); +} + +/* Need refactor. */ +static void dml1_rq_dlg_get_row_heights( + struct display_mode_lib *mode_lib, + unsigned int *o_dpte_row_height, + unsigned int *o_meta_row_height, + unsigned int vp_width, + unsigned int data_pitch, + int source_format, + int tiling, + int macro_tile_size, + int source_scan, + int is_chroma) +{ + bool surf_linear = (tiling == dm_sw_linear); + bool surf_vert = (source_scan == dm_vert); + + unsigned int bytes_per_element = get_bytes_per_element( + (enum source_format_class) source_format, + is_chroma); + unsigned int log2_bytes_per_element = dml_log2(bytes_per_element); + unsigned int blk256_width = 0; + unsigned int blk256_height = 0; + + unsigned int log2_blk256_height; + unsigned int blk_bytes; + unsigned int log2_blk_bytes; + unsigned int log2_blk_height; + unsigned int log2_blk_width; + unsigned int log2_meta_req_bytes; + unsigned int log2_meta_req_height; + unsigned int log2_meta_req_width; + unsigned int log2_meta_row_height; + unsigned int log2_vmpg_bytes; + unsigned int dpte_buf_in_pte_reqs; + unsigned int log2_vmpg_height; + unsigned int log2_vmpg_width; + unsigned int log2_dpte_req_height_ptes; + unsigned int log2_dpte_req_width_ptes; + unsigned int log2_dpte_req_height; + unsigned int log2_dpte_req_width; + unsigned int log2_dpte_row_height_linear; + unsigned int log2_dpte_row_height; + unsigned int dpte_req_width; + + if (surf_linear) { + blk256_width = 256; + blk256_height = 1; + } else { + get_blk256_size(&blk256_width, &blk256_height, bytes_per_element); + } + + log2_blk256_height = dml_log2((double) blk256_height); + blk_bytes = surf_linear ? + 256 : get_blk_size_bytes((enum source_macro_tile_size) macro_tile_size); + log2_blk_bytes = dml_log2((double) blk_bytes); + log2_blk_height = 0; + log2_blk_width = 0; + + /* remember log rule + * "+" in log is multiply + * "-" in log is divide + * "/2" is like square root + * blk is vertical biased + */ + if (tiling != dm_sw_linear) + log2_blk_height = log2_blk256_height + + dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1); + else + log2_blk_height = 0; /* blk height of 1 */ + + log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height; + + /* ------- */ + /* meta */ + /* ------- */ + log2_meta_req_bytes = 6; /* meta request is 64b and is 8x8byte meta element */ + + /* each 64b meta request for dcn is 8x8 meta elements and + * a meta element covers one 256b block of the the data surface. + */ + log2_meta_req_height = log2_blk256_height + 3; /* meta req is 8x8 */ + log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element + - log2_meta_req_height; + log2_meta_row_height = 0; + + /* the dimensions of a meta row are meta_row_width x meta_row_height in elements. + * calculate upper bound of the meta_row_width + */ + if (!surf_vert) + log2_meta_row_height = log2_meta_req_height; + else + log2_meta_row_height = log2_meta_req_width; + + *o_meta_row_height = 1 << log2_meta_row_height; + + /* ------ */ + /* dpte */ + /* ------ */ + log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes); + dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs; + + log2_vmpg_height = 0; + log2_vmpg_width = 0; + log2_dpte_req_height_ptes = 0; + log2_dpte_req_width_ptes = 0; + log2_dpte_req_height = 0; + log2_dpte_req_width = 0; + log2_dpte_row_height_linear = 0; + log2_dpte_row_height = 0; + dpte_req_width = 0; /* 64b dpte req width in data element */ + + if (surf_linear) + log2_vmpg_height = 0; /* one line high */ + else + log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height; + log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height; + + /* only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4. */ + if (log2_blk_bytes <= log2_vmpg_bytes) + log2_dpte_req_height_ptes = 0; + else if (log2_blk_height - log2_vmpg_height >= 2) + log2_dpte_req_height_ptes = 2; + else + log2_dpte_req_height_ptes = log2_blk_height - log2_vmpg_height; + log2_dpte_req_width_ptes = 3 - log2_dpte_req_height_ptes; + + ASSERT((log2_dpte_req_width_ptes == 3 && log2_dpte_req_height_ptes == 0) || /* 8x1 */ + (log2_dpte_req_width_ptes == 2 && log2_dpte_req_height_ptes == 1) || /* 4x2 */ + (log2_dpte_req_width_ptes == 1 && log2_dpte_req_height_ptes == 2)); /* 2x4 */ + + /* the dpte request dimensions in data elements is dpte_req_width x dpte_req_height + * log2_wmpg_width is how much 1 pte represent, now trying to calculate how much 64b pte req represent + */ + log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes; + log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes; + dpte_req_width = 1 << log2_dpte_req_width; + + /* calculate pitch dpte row buffer can hold + * round the result down to a power of two. + */ + if (surf_linear) { + log2_dpte_row_height_linear = dml_floor( + dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch), + 1); + + ASSERT(log2_dpte_row_height_linear >= 3); + + if (log2_dpte_row_height_linear > 7) + log2_dpte_row_height_linear = 7; + + log2_dpte_row_height = log2_dpte_row_height_linear; + } else { + /* the upper bound of the dpte_row_width without dependency on viewport position follows. */ + if (!surf_vert) + log2_dpte_row_height = log2_dpte_req_height; + else + log2_dpte_row_height = + (log2_blk_width < log2_dpte_req_width) ? + log2_blk_width : log2_dpte_req_width; + } + + /* From programming guide: + * There is a special case of saving only half of ptes returned due to buffer space limits. + * this case applies to 4 and 8bpe in horizontal access of a vp_width greater than 2560+16 + * when the pte request is 2x4 ptes (which happens when vmpg_bytes =4kb and tile blk_bytes >=64kb). + */ + if (!surf_vert && vp_width > (2560 + 16) && bytes_per_element >= 4 && log2_vmpg_bytes == 12 + && log2_blk_bytes >= 16) + log2_dpte_row_height = log2_dpte_row_height - 1; /*half of the full height */ + + *o_dpte_row_height = 1 << log2_dpte_row_height; +} + +static void get_surf_rq_param( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_data_rq_sizing_params_st *rq_sizing_param, + struct _vcs_dpi_display_data_rq_dlg_params_st *rq_dlg_param, + struct _vcs_dpi_display_data_rq_misc_params_st *rq_misc_param, + const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param, + bool is_chroma) +{ + bool mode_422 = 0; + unsigned int vp_width = 0; + unsigned int vp_height = 0; + unsigned int data_pitch = 0; + unsigned int meta_pitch = 0; + unsigned int ppe = mode_422 ? 2 : 1; + bool surf_linear; + bool surf_vert; + unsigned int bytes_per_element; + unsigned int log2_bytes_per_element; + unsigned int blk256_width; + unsigned int blk256_height; + unsigned int log2_blk256_width; + unsigned int log2_blk256_height; + unsigned int blk_bytes; + unsigned int log2_blk_bytes; + unsigned int log2_blk_height; + unsigned int log2_blk_width; + unsigned int log2_meta_req_bytes; + unsigned int log2_meta_req_height; + unsigned int log2_meta_req_width; + unsigned int meta_req_width; + unsigned int meta_req_height; + unsigned int log2_meta_row_height; + unsigned int meta_row_width_ub; + unsigned int log2_meta_chunk_bytes; + unsigned int log2_meta_chunk_height; + unsigned int log2_meta_chunk_width; + unsigned int log2_min_meta_chunk_bytes; + unsigned int min_meta_chunk_width; + unsigned int meta_chunk_width; + unsigned int meta_chunk_per_row_int; + unsigned int meta_row_remainder; + unsigned int meta_chunk_threshold; + unsigned int meta_blk_bytes; + unsigned int meta_blk_height; + unsigned int meta_blk_width; + unsigned int meta_surface_bytes; + unsigned int vmpg_bytes; + unsigned int meta_pte_req_per_frame_ub; + unsigned int meta_pte_bytes_per_frame_ub; + unsigned int log2_vmpg_bytes; + unsigned int dpte_buf_in_pte_reqs; + unsigned int log2_vmpg_height; + unsigned int log2_vmpg_width; + unsigned int log2_dpte_req_height_ptes; + unsigned int log2_dpte_req_width_ptes; + unsigned int log2_dpte_req_height; + unsigned int log2_dpte_req_width; + unsigned int log2_dpte_row_height_linear; + unsigned int log2_dpte_row_height; + unsigned int log2_dpte_group_width; + unsigned int dpte_row_width_ub; + unsigned int dpte_row_height; + unsigned int dpte_req_height; + unsigned int dpte_req_width; + unsigned int dpte_group_width; + unsigned int log2_dpte_group_bytes; + unsigned int log2_dpte_group_length; + unsigned int func_meta_row_height, func_dpte_row_height; + + /* FIXME check if ppe apply for both luma and chroma in 422 case */ + if (is_chroma) { + vp_width = pipe_src_param.viewport_width_c / ppe; + vp_height = pipe_src_param.viewport_height_c; + data_pitch = pipe_src_param.data_pitch_c; + meta_pitch = pipe_src_param.meta_pitch_c; + } else { + vp_width = pipe_src_param.viewport_width / ppe; + vp_height = pipe_src_param.viewport_height; + data_pitch = pipe_src_param.data_pitch; + meta_pitch = pipe_src_param.meta_pitch; + } + + rq_sizing_param->chunk_bytes = 8192; + + if (rq_sizing_param->chunk_bytes == 64 * 1024) + rq_sizing_param->min_chunk_bytes = 0; + else + rq_sizing_param->min_chunk_bytes = 1024; + + rq_sizing_param->meta_chunk_bytes = 2048; + rq_sizing_param->min_meta_chunk_bytes = 256; + + rq_sizing_param->mpte_group_bytes = 2048; + + surf_linear = (pipe_src_param.sw_mode == dm_sw_linear); + surf_vert = (pipe_src_param.source_scan == dm_vert); + + bytes_per_element = get_bytes_per_element( + (enum source_format_class) pipe_src_param.source_format, + is_chroma); + log2_bytes_per_element = dml_log2(bytes_per_element); + blk256_width = 0; + blk256_height = 0; + + if (surf_linear) { + blk256_width = 256 / bytes_per_element; + blk256_height = 1; + } else { + get_blk256_size(&blk256_width, &blk256_height, bytes_per_element); + } + + DTRACE("DLG: %s: surf_linear = %d", __func__, surf_linear); + DTRACE("DLG: %s: surf_vert = %d", __func__, surf_vert); + DTRACE("DLG: %s: blk256_width = %d", __func__, blk256_width); + DTRACE("DLG: %s: blk256_height = %d", __func__, blk256_height); + + log2_blk256_width = dml_log2((double) blk256_width); + log2_blk256_height = dml_log2((double) blk256_height); + blk_bytes = + surf_linear ? 256 : get_blk_size_bytes( + (enum source_macro_tile_size) pipe_src_param.macro_tile_size); + log2_blk_bytes = dml_log2((double) blk_bytes); + log2_blk_height = 0; + log2_blk_width = 0; + + /* remember log rule + * "+" in log is multiply + * "-" in log is divide + * "/2" is like square root + * blk is vertical biased + */ + if (pipe_src_param.sw_mode != dm_sw_linear) + log2_blk_height = log2_blk256_height + + dml_ceil((double) (log2_blk_bytes - 8) / 2.0, 1); + else + log2_blk_height = 0; /* blk height of 1 */ + + log2_blk_width = log2_blk_bytes - log2_bytes_per_element - log2_blk_height; + + if (!surf_vert) { + rq_dlg_param->swath_width_ub = dml_round_to_multiple(vp_width - 1, blk256_width, 1) + + blk256_width; + rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_width; + } else { + rq_dlg_param->swath_width_ub = dml_round_to_multiple( + vp_height - 1, + blk256_height, + 1) + blk256_height; + rq_dlg_param->req_per_swath_ub = rq_dlg_param->swath_width_ub >> log2_blk256_height; + } + + if (!surf_vert) + rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_height + * bytes_per_element; + else + rq_misc_param->full_swath_bytes = rq_dlg_param->swath_width_ub * blk256_width + * bytes_per_element; + + rq_misc_param->blk256_height = blk256_height; + rq_misc_param->blk256_width = blk256_width; + + /* ------- */ + /* meta */ + /* ------- */ + log2_meta_req_bytes = 6; /* meta request is 64b and is 8x8byte meta element */ + + /* each 64b meta request for dcn is 8x8 meta elements and + * a meta element covers one 256b block of the the data surface. + */ + log2_meta_req_height = log2_blk256_height + 3; /* meta req is 8x8 byte, each byte represent 1 blk256 */ + log2_meta_req_width = log2_meta_req_bytes + 8 - log2_bytes_per_element + - log2_meta_req_height; + meta_req_width = 1 << log2_meta_req_width; + meta_req_height = 1 << log2_meta_req_height; + log2_meta_row_height = 0; + meta_row_width_ub = 0; + + /* the dimensions of a meta row are meta_row_width x meta_row_height in elements. + * calculate upper bound of the meta_row_width + */ + if (!surf_vert) { + log2_meta_row_height = log2_meta_req_height; + meta_row_width_ub = dml_round_to_multiple(vp_width - 1, meta_req_width, 1) + + meta_req_width; + rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_width; + } else { + log2_meta_row_height = log2_meta_req_width; + meta_row_width_ub = dml_round_to_multiple(vp_height - 1, meta_req_height, 1) + + meta_req_height; + rq_dlg_param->meta_req_per_row_ub = meta_row_width_ub / meta_req_height; + } + rq_dlg_param->meta_bytes_per_row_ub = rq_dlg_param->meta_req_per_row_ub * 64; + + log2_meta_chunk_bytes = dml_log2(rq_sizing_param->meta_chunk_bytes); + log2_meta_chunk_height = log2_meta_row_height; + + /*full sized meta chunk width in unit of data elements */ + log2_meta_chunk_width = log2_meta_chunk_bytes + 8 - log2_bytes_per_element + - log2_meta_chunk_height; + log2_min_meta_chunk_bytes = dml_log2(rq_sizing_param->min_meta_chunk_bytes); + min_meta_chunk_width = 1 + << (log2_min_meta_chunk_bytes + 8 - log2_bytes_per_element + - log2_meta_chunk_height); + meta_chunk_width = 1 << log2_meta_chunk_width; + meta_chunk_per_row_int = (unsigned int) (meta_row_width_ub / meta_chunk_width); + meta_row_remainder = meta_row_width_ub % meta_chunk_width; + meta_chunk_threshold = 0; + meta_blk_bytes = 4096; + meta_blk_height = blk256_height * 64; + meta_blk_width = meta_blk_bytes * 256 / bytes_per_element / meta_blk_height; + meta_surface_bytes = meta_pitch + * (dml_round_to_multiple(vp_height - 1, meta_blk_height, 1) + + meta_blk_height) * bytes_per_element / 256; + vmpg_bytes = mode_lib->soc.vmm_page_size_bytes; + meta_pte_req_per_frame_ub = (dml_round_to_multiple( + meta_surface_bytes - vmpg_bytes, + 8 * vmpg_bytes, + 1) + 8 * vmpg_bytes) / (8 * vmpg_bytes); + meta_pte_bytes_per_frame_ub = meta_pte_req_per_frame_ub * 64; /*64B mpte request */ + rq_dlg_param->meta_pte_bytes_per_frame_ub = meta_pte_bytes_per_frame_ub; + + DTRACE("DLG: %s: meta_blk_height = %d", __func__, meta_blk_height); + DTRACE("DLG: %s: meta_blk_width = %d", __func__, meta_blk_width); + DTRACE("DLG: %s: meta_surface_bytes = %d", __func__, meta_surface_bytes); + DTRACE("DLG: %s: meta_pte_req_per_frame_ub = %d", __func__, meta_pte_req_per_frame_ub); + DTRACE("DLG: %s: meta_pte_bytes_per_frame_ub = %d", __func__, meta_pte_bytes_per_frame_ub); + + if (!surf_vert) + meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_width; + else + meta_chunk_threshold = 2 * min_meta_chunk_width - meta_req_height; + + if (meta_row_remainder <= meta_chunk_threshold) + rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 1; + else + rq_dlg_param->meta_chunks_per_row_ub = meta_chunk_per_row_int + 2; + + rq_dlg_param->meta_row_height = 1 << log2_meta_row_height; + + /* ------ */ + /* dpte */ + /* ------ */ + log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes); + dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs; + + log2_vmpg_height = 0; + log2_vmpg_width = 0; + log2_dpte_req_height_ptes = 0; + log2_dpte_req_width_ptes = 0; + log2_dpte_req_height = 0; + log2_dpte_req_width = 0; + log2_dpte_row_height_linear = 0; + log2_dpte_row_height = 0; + log2_dpte_group_width = 0; + dpte_row_width_ub = 0; + dpte_row_height = 0; + dpte_req_height = 0; /* 64b dpte req height in data element */ + dpte_req_width = 0; /* 64b dpte req width in data element */ + dpte_group_width = 0; + log2_dpte_group_bytes = 0; + log2_dpte_group_length = 0; + + if (surf_linear) + log2_vmpg_height = 0; /* one line high */ + else + log2_vmpg_height = (log2_vmpg_bytes - 8) / 2 + log2_blk256_height; + log2_vmpg_width = log2_vmpg_bytes - log2_bytes_per_element - log2_vmpg_height; + + /* only 3 possible shapes for dpte request in dimensions of ptes: 8x1, 4x2, 2x4. */ + if (log2_blk_bytes <= log2_vmpg_bytes) + log2_dpte_req_height_ptes = 0; + else if (log2_blk_height - log2_vmpg_height >= 2) + log2_dpte_req_height_ptes = 2; + else + log2_dpte_req_height_ptes = log2_blk_height - log2_vmpg_height; + log2_dpte_req_width_ptes = 3 - log2_dpte_req_height_ptes; + + /* Ensure we only have the 3 shapes */ + ASSERT((log2_dpte_req_width_ptes == 3 && log2_dpte_req_height_ptes == 0) || /* 8x1 */ + (log2_dpte_req_width_ptes == 2 && log2_dpte_req_height_ptes == 1) || /* 4x2 */ + (log2_dpte_req_width_ptes == 1 && log2_dpte_req_height_ptes == 2)); /* 2x4 */ + + /* The dpte request dimensions in data elements is dpte_req_width x dpte_req_height + * log2_vmpg_width is how much 1 pte represent, now calculating how much a 64b pte req represent + * That depends on the pte shape (i.e. 8x1, 4x2, 2x4) + */ + log2_dpte_req_height = log2_vmpg_height + log2_dpte_req_height_ptes; + log2_dpte_req_width = log2_vmpg_width + log2_dpte_req_width_ptes; + dpte_req_height = 1 << log2_dpte_req_height; + dpte_req_width = 1 << log2_dpte_req_width; + + /* calculate pitch dpte row buffer can hold + * round the result down to a power of two. + */ + if (surf_linear) { + log2_dpte_row_height_linear = dml_floor( + dml_log2(dpte_buf_in_pte_reqs * dpte_req_width / data_pitch), + 1); + + ASSERT(log2_dpte_row_height_linear >= 3); + + if (log2_dpte_row_height_linear > 7) + log2_dpte_row_height_linear = 7; + + log2_dpte_row_height = log2_dpte_row_height_linear; + rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height; + + /* For linear, the dpte row is pitch dependent and the pte requests wrap at the pitch boundary. + * the dpte_row_width_ub is the upper bound of data_pitch*dpte_row_height in elements with this unique buffering. + */ + dpte_row_width_ub = dml_round_to_multiple( + data_pitch * dpte_row_height - 1, + dpte_req_width, + 1) + dpte_req_width; + rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width; + } else { + /* for tiled mode, row height is the same as req height and row store up to vp size upper bound */ + if (!surf_vert) { + log2_dpte_row_height = log2_dpte_req_height; + dpte_row_width_ub = dml_round_to_multiple(vp_width - 1, dpte_req_width, 1) + + dpte_req_width; + rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_width; + } else { + log2_dpte_row_height = + (log2_blk_width < log2_dpte_req_width) ? + log2_blk_width : log2_dpte_req_width; + dpte_row_width_ub = dml_round_to_multiple(vp_height - 1, dpte_req_height, 1) + + dpte_req_height; + rq_dlg_param->dpte_req_per_row_ub = dpte_row_width_ub / dpte_req_height; + } + rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height; + } + rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; + + /* From programming guide: + * There is a special case of saving only half of ptes returned due to buffer space limits. + * this case applies to 4 and 8bpe in horizontal access of a vp_width greater than 2560+16 + * when the pte request is 2x4 ptes (which happens when vmpg_bytes =4kb and tile blk_bytes >=64kb). + */ + if (!surf_vert && vp_width > (2560 + 16) && bytes_per_element >= 4 && log2_vmpg_bytes == 12 + && log2_blk_bytes >= 16) { + log2_dpte_row_height = log2_dpte_row_height - 1; /*half of the full height */ + rq_dlg_param->dpte_row_height = 1 << log2_dpte_row_height; + } + + /* the dpte_group_bytes is reduced for the specific case of vertical + * access of a tile surface that has dpte request of 8x1 ptes. + */ + if (!surf_linear & (log2_dpte_req_height_ptes == 0) & surf_vert) /*reduced, in this case, will have page fault within a group */ + rq_sizing_param->dpte_group_bytes = 512; + else + /*full size */ + rq_sizing_param->dpte_group_bytes = 2048; + + /*since pte request size is 64byte, the number of data pte requests per full sized group is as follows. */ + log2_dpte_group_bytes = dml_log2(rq_sizing_param->dpte_group_bytes); + log2_dpte_group_length = log2_dpte_group_bytes - 6; /*length in 64b requests */ + + /* full sized data pte group width in elements */ + if (!surf_vert) + log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_width; + else + log2_dpte_group_width = log2_dpte_group_length + log2_dpte_req_height; + + dpte_group_width = 1 << log2_dpte_group_width; + + /* since dpte groups are only aligned to dpte_req_width and not dpte_group_width, + * the upper bound for the dpte groups per row is as follows. + */ + rq_dlg_param->dpte_groups_per_row_ub = dml_ceil( + (double) dpte_row_width_ub / dpte_group_width, + 1); + + dml1_rq_dlg_get_row_heights( + mode_lib, + &func_dpte_row_height, + &func_meta_row_height, + vp_width, + data_pitch, + pipe_src_param.source_format, + pipe_src_param.sw_mode, + pipe_src_param.macro_tile_size, + pipe_src_param.source_scan, + is_chroma); + + /* Just a check to make sure this function and the new one give the same + * result. The standalone get_row_heights() function is based off of the + * code in this function so the same changes need to be made to both. + */ + if (rq_dlg_param->meta_row_height != func_meta_row_height) { + DTRACE( + "MISMATCH: rq_dlg_param->meta_row_height = %d", + rq_dlg_param->meta_row_height); + DTRACE("MISMATCH: func_meta_row_height = %d", func_meta_row_height); + ASSERT(0); + } + + if (rq_dlg_param->dpte_row_height != func_dpte_row_height) { + DTRACE( + "MISMATCH: rq_dlg_param->dpte_row_height = %d", + rq_dlg_param->dpte_row_height); + DTRACE("MISMATCH: func_dpte_row_height = %d", func_dpte_row_height); + ASSERT(0); + } +} + +void dml1_rq_dlg_get_rq_params( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_rq_params_st *rq_param, + const struct _vcs_dpi_display_pipe_source_params_st pipe_src_param) +{ + /* get param for luma surface */ + rq_param->yuv420 = pipe_src_param.source_format == dm_420_8 + || pipe_src_param.source_format == dm_420_10; + rq_param->yuv420_10bpc = pipe_src_param.source_format == dm_420_10; + + get_surf_rq_param( + mode_lib, + &(rq_param->sizing.rq_l), + &(rq_param->dlg.rq_l), + &(rq_param->misc.rq_l), + pipe_src_param, + 0); + + if (is_dual_plane((enum source_format_class) pipe_src_param.source_format)) { + /* get param for chroma surface */ + get_surf_rq_param( + mode_lib, + &(rq_param->sizing.rq_c), + &(rq_param->dlg.rq_c), + &(rq_param->misc.rq_c), + pipe_src_param, + 1); + } + + /* calculate how to split the det buffer space between luma and chroma */ + handle_det_buf_split(mode_lib, rq_param, pipe_src_param); + print__rq_params_st(mode_lib, *rq_param); +} + +/* Note: currently taken in as is. + * Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma. + */ +void dml1_rq_dlg_get_dlg_params( + struct display_mode_lib *mode_lib, + struct _vcs_dpi_display_dlg_regs_st *disp_dlg_regs, + struct _vcs_dpi_display_ttu_regs_st *disp_ttu_regs, + const struct _vcs_dpi_display_rq_dlg_params_st rq_dlg_param, + const struct _vcs_dpi_display_dlg_sys_params_st dlg_sys_param, + const struct _vcs_dpi_display_e2e_pipe_params_st e2e_pipe_param, + const bool cstate_en, + const bool pstate_en, + const bool vm_en, + const bool iflip_en) +{ + /* Timing */ + unsigned int htotal = e2e_pipe_param.pipe.dest.htotal; + unsigned int hblank_end = e2e_pipe_param.pipe.dest.hblank_end; + unsigned int vblank_start = e2e_pipe_param.pipe.dest.vblank_start; + unsigned int vblank_end = e2e_pipe_param.pipe.dest.vblank_end; + bool interlaced = e2e_pipe_param.pipe.dest.interlaced; + unsigned int min_vblank = mode_lib->ip.min_vblank_lines; + + double pclk_freq_in_mhz = e2e_pipe_param.pipe.dest.pixel_rate_mhz; + double refclk_freq_in_mhz = e2e_pipe_param.clks_cfg.refclk_mhz; + double dppclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dppclk_mhz; + double dispclk_freq_in_mhz = e2e_pipe_param.clks_cfg.dispclk_mhz; + + double ref_freq_to_pix_freq; + double prefetch_xy_calc_in_dcfclk; + double min_dcfclk_mhz; + double t_calc_us; + double min_ttu_vblank; + double min_dst_y_ttu_vblank; + unsigned int dlg_vblank_start; + bool dcc_en; + bool dual_plane; + bool mode_422; + unsigned int access_dir; + unsigned int bytes_per_element_l; + unsigned int bytes_per_element_c; + unsigned int vp_height_l; + unsigned int vp_width_l; + unsigned int vp_height_c; + unsigned int vp_width_c; + unsigned int htaps_l; + unsigned int htaps_c; + double hratios_l; + double hratios_c; + double vratio_l; + double vratio_c; + double line_time_in_us; + double vinit_l; + double vinit_c; + double vinit_bot_l; + double vinit_bot_c; + unsigned int swath_height_l; + unsigned int swath_width_ub_l; + unsigned int dpte_bytes_per_row_ub_l; + unsigned int dpte_groups_per_row_ub_l; + unsigned int meta_pte_bytes_per_frame_ub_l; + unsigned int meta_bytes_per_row_ub_l; + unsigned int swath_height_c; + unsigned int swath_width_ub_c; + unsigned int dpte_bytes_per_row_ub_c; + unsigned int dpte_groups_per_row_ub_c; + unsigned int meta_chunks_per_row_ub_l; + unsigned int vupdate_offset; + unsigned int vupdate_width; + unsigned int vready_offset; + unsigned int dppclk_delay_subtotal; + unsigned int dispclk_delay_subtotal; + unsigned int pixel_rate_delay_subtotal; + unsigned int vstartup_start; + unsigned int dst_x_after_scaler; + unsigned int dst_y_after_scaler; + double line_wait; + double line_o; + double line_setup; + double line_calc; + double dst_y_prefetch; + double t_pre_us; + unsigned int vm_bytes; + unsigned int meta_row_bytes; + unsigned int max_num_sw_l; + unsigned int max_num_sw_c; + unsigned int max_partial_sw_l; + unsigned int max_partial_sw_c; + double max_vinit_l; + double max_vinit_c; + unsigned int lsw_l; + unsigned int lsw_c; + unsigned int sw_bytes_ub_l; + unsigned int sw_bytes_ub_c; + unsigned int sw_bytes; + unsigned int dpte_row_bytes; + double prefetch_bw; + double flip_bw; + double t_vm_us; + double t_r0_us; + double dst_y_per_vm_vblank; + double dst_y_per_row_vblank; + double min_dst_y_per_vm_vblank; + double min_dst_y_per_row_vblank; + double lsw; + double vratio_pre_l; + double vratio_pre_c; + unsigned int req_per_swath_ub_l; + unsigned int req_per_swath_ub_c; + unsigned int meta_row_height_l; + unsigned int swath_width_pixels_ub_l; + unsigned int swath_width_pixels_ub_c; + unsigned int scaler_rec_in_width_l; + unsigned int scaler_rec_in_width_c; + unsigned int dpte_row_height_l; + unsigned int dpte_row_height_c; + double hscale_pixel_rate_l; + double hscale_pixel_rate_c; + double min_hratio_fact_l; + double min_hratio_fact_c; + double refcyc_per_line_delivery_pre_l; + double refcyc_per_line_delivery_pre_c; + double refcyc_per_line_delivery_l; + double refcyc_per_line_delivery_c; + double refcyc_per_req_delivery_pre_l; + double refcyc_per_req_delivery_pre_c; + double refcyc_per_req_delivery_l; + double refcyc_per_req_delivery_c; + double refcyc_per_req_delivery_pre_cur0; + double refcyc_per_req_delivery_cur0; + unsigned int full_recout_width; + double hratios_cur0; + unsigned int cur0_src_width; + enum cursor_bpp cur0_bpp; + unsigned int cur0_req_size; + unsigned int cur0_req_width; + double cur0_width_ub; + double cur0_req_per_width; + double hactive_cur0; + + memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs)); + memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs)); + + DTRACE("DLG: %s: cstate_en = %d", __func__, cstate_en); + DTRACE("DLG: %s: pstate_en = %d", __func__, pstate_en); + DTRACE("DLG: %s: vm_en = %d", __func__, vm_en); + DTRACE("DLG: %s: iflip_en = %d", __func__, iflip_en); + + /* ------------------------- */ + /* Section 1.5.2.1: OTG dependent Params */ + /* ------------------------- */ + DTRACE("DLG: %s: dppclk_freq_in_mhz = %3.2f", __func__, dppclk_freq_in_mhz); + DTRACE("DLG: %s: dispclk_freq_in_mhz = %3.2f", __func__, dispclk_freq_in_mhz); + DTRACE("DLG: %s: refclk_freq_in_mhz = %3.2f", __func__, refclk_freq_in_mhz); + DTRACE("DLG: %s: pclk_freq_in_mhz = %3.2f", __func__, pclk_freq_in_mhz); + DTRACE("DLG: %s: interlaced = %d", __func__, interlaced); + + ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz; + ASSERT(ref_freq_to_pix_freq < 4.0); + disp_dlg_regs->ref_freq_to_pix_freq = + (unsigned int) (ref_freq_to_pix_freq * dml_pow(2, 19)); + disp_dlg_regs->refcyc_per_htotal = (unsigned int) (ref_freq_to_pix_freq * (double) htotal + * dml_pow(2, 8)); + disp_dlg_regs->refcyc_h_blank_end = (unsigned int) ((double) hblank_end + * (double) ref_freq_to_pix_freq); + ASSERT(disp_dlg_regs->refcyc_h_blank_end < (unsigned int) dml_pow(2, 13)); + disp_dlg_regs->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; /* 15 bits */ + + prefetch_xy_calc_in_dcfclk = 24.0; /* FIXME: ip_param */ + min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz; + t_calc_us = prefetch_xy_calc_in_dcfclk / min_dcfclk_mhz; + min_ttu_vblank = dlg_sys_param.t_urg_wm_us; + if (cstate_en) + min_ttu_vblank = dml_max(dlg_sys_param.t_sr_wm_us, min_ttu_vblank); + if (pstate_en) + min_ttu_vblank = dml_max(dlg_sys_param.t_mclk_wm_us, min_ttu_vblank); + min_ttu_vblank = min_ttu_vblank + t_calc_us; + + min_dst_y_ttu_vblank = min_ttu_vblank * pclk_freq_in_mhz / (double) htotal; + dlg_vblank_start = interlaced ? (vblank_start / 2) : vblank_start; + + disp_dlg_regs->min_dst_y_next_start = (unsigned int) (((double) dlg_vblank_start + + min_dst_y_ttu_vblank) * dml_pow(2, 2)); + ASSERT(disp_dlg_regs->min_dst_y_next_start < (unsigned int) dml_pow(2, 18)); + + DTRACE("DLG: %s: min_dcfclk_mhz = %3.2f", __func__, min_dcfclk_mhz); + DTRACE("DLG: %s: min_ttu_vblank = %3.2f", __func__, min_ttu_vblank); + DTRACE( + "DLG: %s: min_dst_y_ttu_vblank = %3.2f", + __func__, + min_dst_y_ttu_vblank); + DTRACE("DLG: %s: t_calc_us = %3.2f", __func__, t_calc_us); + DTRACE( + "DLG: %s: disp_dlg_regs->min_dst_y_next_start = 0x%0x", + __func__, + disp_dlg_regs->min_dst_y_next_start); + DTRACE( + "DLG: %s: ref_freq_to_pix_freq = %3.2f", + __func__, + ref_freq_to_pix_freq); + + /* ------------------------- */ + /* Section 1.5.2.2: Prefetch, Active and TTU */ + /* ------------------------- */ + /* Prefetch Calc */ + /* Source */ + dcc_en = e2e_pipe_param.pipe.src.dcc; + dual_plane = is_dual_plane( + (enum source_format_class) e2e_pipe_param.pipe.src.source_format); + mode_422 = 0; /* FIXME */ + access_dir = (e2e_pipe_param.pipe.src.source_scan == dm_vert); /* vp access direction: horizontal or vertical accessed */ + bytes_per_element_l = get_bytes_per_element( + (enum source_format_class) e2e_pipe_param.pipe.src.source_format, + 0); + bytes_per_element_c = get_bytes_per_element( + (enum source_format_class) e2e_pipe_param.pipe.src.source_format, + 1); + vp_height_l = e2e_pipe_param.pipe.src.viewport_height; + vp_width_l = e2e_pipe_param.pipe.src.viewport_width; + vp_height_c = e2e_pipe_param.pipe.src.viewport_height_c; + vp_width_c = e2e_pipe_param.pipe.src.viewport_width_c; + + /* Scaling */ + htaps_l = e2e_pipe_param.pipe.scale_taps.htaps; + htaps_c = e2e_pipe_param.pipe.scale_taps.htaps_c; + hratios_l = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio; + hratios_c = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio_c; + vratio_l = e2e_pipe_param.pipe.scale_ratio_depth.vscl_ratio; + vratio_c = e2e_pipe_param.pipe.scale_ratio_depth.vscl_ratio_c; + + line_time_in_us = (htotal / pclk_freq_in_mhz); + vinit_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit; + vinit_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_c; + vinit_bot_l = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot; + vinit_bot_c = e2e_pipe_param.pipe.scale_ratio_depth.vinit_bot_c; + + swath_height_l = rq_dlg_param.rq_l.swath_height; + swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub; + dpte_bytes_per_row_ub_l = rq_dlg_param.rq_l.dpte_bytes_per_row_ub; + dpte_groups_per_row_ub_l = rq_dlg_param.rq_l.dpte_groups_per_row_ub; + meta_pte_bytes_per_frame_ub_l = rq_dlg_param.rq_l.meta_pte_bytes_per_frame_ub; + meta_bytes_per_row_ub_l = rq_dlg_param.rq_l.meta_bytes_per_row_ub; + + swath_height_c = rq_dlg_param.rq_c.swath_height; + swath_width_ub_c = rq_dlg_param.rq_c.swath_width_ub; + dpte_bytes_per_row_ub_c = rq_dlg_param.rq_c.dpte_bytes_per_row_ub; + dpte_groups_per_row_ub_c = rq_dlg_param.rq_c.dpte_groups_per_row_ub; + + meta_chunks_per_row_ub_l = rq_dlg_param.rq_l.meta_chunks_per_row_ub; + vupdate_offset = e2e_pipe_param.pipe.dest.vupdate_offset; + vupdate_width = e2e_pipe_param.pipe.dest.vupdate_width; + vready_offset = e2e_pipe_param.pipe.dest.vready_offset; + + dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal; + dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal; + pixel_rate_delay_subtotal = dppclk_delay_subtotal * pclk_freq_in_mhz / dppclk_freq_in_mhz + + dispclk_delay_subtotal * pclk_freq_in_mhz / dispclk_freq_in_mhz; + + vstartup_start = e2e_pipe_param.pipe.dest.vstartup_start; + + if (interlaced) + vstartup_start = vstartup_start / 2; + + if (vstartup_start >= min_vblank) { + DTRACE( + "WARNING_DLG: %s: vblank_start=%d vblank_end=%d", + __func__, + vblank_start, + vblank_end); + DTRACE( + "WARNING_DLG: %s: vstartup_start=%d should be less than min_vblank=%d", + __func__, + vstartup_start, + min_vblank); + min_vblank = vstartup_start + 1; + DTRACE( + "WARNING_DLG: %s: vstartup_start=%d should be less than min_vblank=%d", + __func__, + vstartup_start, + min_vblank); + } + + dst_x_after_scaler = 0; + dst_y_after_scaler = 0; + + if (e2e_pipe_param.pipe.src.is_hsplit) + dst_x_after_scaler = pixel_rate_delay_subtotal + + e2e_pipe_param.pipe.dest.recout_width; + else + dst_x_after_scaler = pixel_rate_delay_subtotal; + + if (e2e_pipe_param.dout.output_format == dm_420) + dst_y_after_scaler = 1; + else + dst_y_after_scaler = 0; + + if (dst_x_after_scaler >= htotal) { + dst_x_after_scaler = dst_x_after_scaler - htotal; + dst_y_after_scaler = dst_y_after_scaler + 1; + } + + DTRACE("DLG: %s: htotal = %d", __func__, htotal); + DTRACE( + "DLG: %s: pixel_rate_delay_subtotal = %d", + __func__, + pixel_rate_delay_subtotal); + DTRACE("DLG: %s: dst_x_after_scaler = %d", __func__, dst_x_after_scaler); + DTRACE("DLG: %s: dst_y_after_scaler = %d", __func__, dst_y_after_scaler); + + line_wait = mode_lib->soc.urgent_latency_us; + if (cstate_en) + line_wait = dml_max(mode_lib->soc.sr_enter_plus_exit_time_us, line_wait); + if (pstate_en) + line_wait = dml_max( + mode_lib->soc.dram_clock_change_latency_us + + mode_lib->soc.urgent_latency_us, + line_wait); + line_wait = line_wait / line_time_in_us; + + line_o = (double) dst_y_after_scaler + dst_x_after_scaler / (double) htotal; + line_setup = (double) (vupdate_offset + vupdate_width + vready_offset) / (double) htotal; + line_calc = t_calc_us / line_time_in_us; + + DTRACE( + "DLG: %s: soc.sr_enter_plus_exit_time_us = %3.2f", + __func__, + (double) mode_lib->soc.sr_enter_plus_exit_time_us); + DTRACE( + "DLG: %s: soc.dram_clock_change_latency_us = %3.2f", + __func__, + (double) mode_lib->soc.dram_clock_change_latency_us); + DTRACE( + "DLG: %s: soc.urgent_latency_us = %3.2f", + __func__, + mode_lib->soc.urgent_latency_us); + + DTRACE("DLG: %s: swath_height_l = %d", __func__, swath_height_l); + if (dual_plane) + DTRACE("DLG: %s: swath_height_c = %d", __func__, swath_height_c); + + DTRACE( + "DLG: %s: t_srx_delay_us = %3.2f", + __func__, + (double) dlg_sys_param.t_srx_delay_us); + DTRACE("DLG: %s: line_time_in_us = %3.2f", __func__, (double) line_time_in_us); + DTRACE("DLG: %s: vupdate_offset = %d", __func__, vupdate_offset); + DTRACE("DLG: %s: vupdate_width = %d", __func__, vupdate_width); + DTRACE("DLG: %s: vready_offset = %d", __func__, vready_offset); + DTRACE("DLG: %s: line_time_in_us = %3.2f", __func__, line_time_in_us); + DTRACE("DLG: %s: line_wait = %3.2f", __func__, line_wait); + DTRACE("DLG: %s: line_o = %3.2f", __func__, line_o); + DTRACE("DLG: %s: line_setup = %3.2f", __func__, line_setup); + DTRACE("DLG: %s: line_calc = %3.2f", __func__, line_calc); + + dst_y_prefetch = ((double) min_vblank - 1.0) + - (line_setup + line_calc + line_wait + line_o); + DTRACE("DLG: %s: dst_y_prefetch (before rnd) = %3.2f", __func__, dst_y_prefetch); + ASSERT(dst_y_prefetch >= 2.0); + + dst_y_prefetch = dml_floor(4.0 * (dst_y_prefetch + 0.125), 1) / 4; + DTRACE("DLG: %s: dst_y_prefetch (after rnd) = %3.2f", __func__, dst_y_prefetch); + + t_pre_us = dst_y_prefetch * line_time_in_us; + vm_bytes = 0; + meta_row_bytes = 0; + + if (dcc_en && vm_en) + vm_bytes = meta_pte_bytes_per_frame_ub_l; + if (dcc_en) + meta_row_bytes = meta_bytes_per_row_ub_l; + + max_num_sw_l = 0; + max_num_sw_c = 0; + max_partial_sw_l = 0; + max_partial_sw_c = 0; + + max_vinit_l = interlaced ? dml_max(vinit_l, vinit_bot_l) : vinit_l; + max_vinit_c = interlaced ? dml_max(vinit_c, vinit_bot_c) : vinit_c; + + get_swath_need(mode_lib, &max_num_sw_l, &max_partial_sw_l, swath_height_l, max_vinit_l); + if (dual_plane) + get_swath_need( + mode_lib, + &max_num_sw_c, + &max_partial_sw_c, + swath_height_c, + max_vinit_c); + + lsw_l = max_num_sw_l * swath_height_l + max_partial_sw_l; + lsw_c = max_num_sw_c * swath_height_c + max_partial_sw_c; + sw_bytes_ub_l = lsw_l * swath_width_ub_l * bytes_per_element_l; + sw_bytes_ub_c = lsw_c * swath_width_ub_c * bytes_per_element_c; + sw_bytes = 0; + dpte_row_bytes = 0; + + if (vm_en) { + if (dual_plane) + dpte_row_bytes = dpte_bytes_per_row_ub_l + dpte_bytes_per_row_ub_c; + else + dpte_row_bytes = dpte_bytes_per_row_ub_l; + } else { + dpte_row_bytes = 0; + } + + if (dual_plane) + sw_bytes = sw_bytes_ub_l + sw_bytes_ub_c; + else + sw_bytes = sw_bytes_ub_l; + + DTRACE("DLG: %s: sw_bytes_ub_l = %d", __func__, sw_bytes_ub_l); + DTRACE("DLG: %s: sw_bytes_ub_c = %d", __func__, sw_bytes_ub_c); + DTRACE("DLG: %s: sw_bytes = %d", __func__, sw_bytes); + DTRACE("DLG: %s: vm_bytes = %d", __func__, vm_bytes); + DTRACE("DLG: %s: meta_row_bytes = %d", __func__, meta_row_bytes); + DTRACE("DLG: %s: dpte_row_bytes = %d", __func__, dpte_row_bytes); + + prefetch_bw = (vm_bytes + 2 * dpte_row_bytes + 2 * meta_row_bytes + sw_bytes) / t_pre_us; + flip_bw = ((vm_bytes + dpte_row_bytes + meta_row_bytes) * dlg_sys_param.total_flip_bw) + / (double) dlg_sys_param.total_flip_bytes; + t_vm_us = line_time_in_us / 4.0; + if (vm_en && dcc_en) { + t_vm_us = dml_max( + dlg_sys_param.t_extra_us, + dml_max((double) vm_bytes / prefetch_bw, t_vm_us)); + + if (iflip_en && !dual_plane) { + t_vm_us = dml_max(mode_lib->soc.urgent_latency_us, t_vm_us); + if (flip_bw > 0.) + t_vm_us = dml_max(vm_bytes / flip_bw, t_vm_us); + } + } + + t_r0_us = dml_max(dlg_sys_param.t_extra_us - t_vm_us, line_time_in_us - t_vm_us); + + if (vm_en || dcc_en) { + t_r0_us = dml_max( + (double) (dpte_row_bytes + meta_row_bytes) / prefetch_bw, + dlg_sys_param.t_extra_us); + t_r0_us = dml_max((double) (line_time_in_us - t_vm_us), t_r0_us); + + if (iflip_en && !dual_plane) { + t_r0_us = dml_max(mode_lib->soc.urgent_latency_us * 2.0, t_r0_us); + if (flip_bw > 0.) + t_r0_us = dml_max( + (dpte_row_bytes + meta_row_bytes) / flip_bw, + t_r0_us); + } + } + + disp_dlg_regs->dst_y_after_scaler = dst_y_after_scaler; /* in terms of line */ + disp_dlg_regs->refcyc_x_after_scaler = dst_x_after_scaler * ref_freq_to_pix_freq; /* in terms of refclk */ + ASSERT(disp_dlg_regs->refcyc_x_after_scaler < (unsigned int) dml_pow(2, 13)); + DTRACE( + "DLG: %s: disp_dlg_regs->dst_y_after_scaler = 0x%0x", + __func__, + disp_dlg_regs->dst_y_after_scaler); + DTRACE( + "DLG: %s: disp_dlg_regs->refcyc_x_after_scaler = 0x%0x", + __func__, + disp_dlg_regs->refcyc_x_after_scaler); + + disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2)); + DTRACE( + "DLG: %s: disp_dlg_regs->dst_y_prefetch = %d", + __func__, + disp_dlg_regs->dst_y_prefetch); + + dst_y_per_vm_vblank = 0.0; + dst_y_per_row_vblank = 0.0; + + dst_y_per_vm_vblank = t_vm_us / line_time_in_us; + dst_y_per_vm_vblank = dml_floor(4.0 * (dst_y_per_vm_vblank + 0.125), 1) / 4.0; + disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2)); + + dst_y_per_row_vblank = t_r0_us / line_time_in_us; + dst_y_per_row_vblank = dml_floor(4.0 * (dst_y_per_row_vblank + 0.125), 1) / 4.0; + disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2)); + + DTRACE("DLG: %s: lsw_l = %d", __func__, lsw_l); + DTRACE("DLG: %s: lsw_c = %d", __func__, lsw_c); + DTRACE("DLG: %s: dpte_bytes_per_row_ub_l = %d", __func__, dpte_bytes_per_row_ub_l); + DTRACE("DLG: %s: dpte_bytes_per_row_ub_c = %d", __func__, dpte_bytes_per_row_ub_c); + + DTRACE("DLG: %s: prefetch_bw = %3.2f", __func__, prefetch_bw); + DTRACE("DLG: %s: flip_bw = %3.2f", __func__, flip_bw); + DTRACE("DLG: %s: t_pre_us = %3.2f", __func__, t_pre_us); + DTRACE("DLG: %s: t_vm_us = %3.2f", __func__, t_vm_us); + DTRACE("DLG: %s: t_r0_us = %3.2f", __func__, t_r0_us); + DTRACE("DLG: %s: dst_y_per_vm_vblank = %3.2f", __func__, dst_y_per_vm_vblank); + DTRACE("DLG: %s: dst_y_per_row_vblank = %3.2f", __func__, dst_y_per_row_vblank); + DTRACE("DLG: %s: dst_y_prefetch = %3.2f", __func__, dst_y_prefetch); + + min_dst_y_per_vm_vblank = 8.0; + min_dst_y_per_row_vblank = 16.0; + if (htotal <= 75) { + min_vblank = 300; + min_dst_y_per_vm_vblank = 100.0; + min_dst_y_per_row_vblank = 100.0; + } + + ASSERT(dst_y_per_vm_vblank < min_dst_y_per_vm_vblank); + ASSERT(dst_y_per_row_vblank < min_dst_y_per_row_vblank); + + ASSERT(dst_y_prefetch > (dst_y_per_vm_vblank + dst_y_per_row_vblank)); + lsw = dst_y_prefetch - (dst_y_per_vm_vblank + dst_y_per_row_vblank); + + DTRACE("DLG: %s: lsw = %3.2f", __func__, lsw); + + vratio_pre_l = get_vratio_pre( + mode_lib, + max_num_sw_l, + max_partial_sw_l, + swath_height_l, + max_vinit_l, + lsw); + vratio_pre_c = 1.0; + if (dual_plane) + vratio_pre_c = get_vratio_pre( + mode_lib, + max_num_sw_c, + max_partial_sw_c, + swath_height_c, + max_vinit_c, + lsw); + + DTRACE("DLG: %s: vratio_pre_l=%3.2f", __func__, vratio_pre_l); + DTRACE("DLG: %s: vratio_pre_c=%3.2f", __func__, vratio_pre_c); + + ASSERT(vratio_pre_l <= 4.0); + if (vratio_pre_l >= 4.0) + disp_dlg_regs->vratio_prefetch = (unsigned int) dml_pow(2, 21) - 1; + else + disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19)); + + ASSERT(vratio_pre_c <= 4.0); + if (vratio_pre_c >= 4.0) + disp_dlg_regs->vratio_prefetch_c = (unsigned int) dml_pow(2, 21) - 1; + else + disp_dlg_regs->vratio_prefetch_c = (unsigned int) (vratio_pre_c * dml_pow(2, 19)); + + disp_dlg_regs->refcyc_per_pte_group_vblank_l = + (unsigned int) (dst_y_per_row_vblank * (double) htotal + * ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_l); + ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_l < (unsigned int) dml_pow(2, 13)); + + disp_dlg_regs->refcyc_per_pte_group_vblank_c = + (unsigned int) (dst_y_per_row_vblank * (double) htotal + * ref_freq_to_pix_freq / (double) dpte_groups_per_row_ub_c); + ASSERT(disp_dlg_regs->refcyc_per_pte_group_vblank_c < (unsigned int) dml_pow(2, 13)); + + disp_dlg_regs->refcyc_per_meta_chunk_vblank_l = + (unsigned int) (dst_y_per_row_vblank * (double) htotal + * ref_freq_to_pix_freq / (double) meta_chunks_per_row_ub_l); + ASSERT(disp_dlg_regs->refcyc_per_meta_chunk_vblank_l < (unsigned int) dml_pow(2, 13)); + + disp_dlg_regs->refcyc_per_meta_chunk_vblank_c = + disp_dlg_regs->refcyc_per_meta_chunk_vblank_l;/* dcc for 4:2:0 is not supported in dcn1.0. assigned to be the same as _l for now */ + + /* Active */ + req_per_swath_ub_l = rq_dlg_param.rq_l.req_per_swath_ub; + req_per_swath_ub_c = rq_dlg_param.rq_c.req_per_swath_ub; + meta_row_height_l = rq_dlg_param.rq_l.meta_row_height; + swath_width_pixels_ub_l = 0; + swath_width_pixels_ub_c = 0; + scaler_rec_in_width_l = 0; + scaler_rec_in_width_c = 0; + dpte_row_height_l = rq_dlg_param.rq_l.dpte_row_height; + dpte_row_height_c = rq_dlg_param.rq_c.dpte_row_height; + + disp_dlg_regs->dst_y_per_pte_row_nom_l = (unsigned int) ((double) dpte_row_height_l + / (double) vratio_l * dml_pow(2, 2)); + ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_l < (unsigned int) dml_pow(2, 17)); + + disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c + / (double) vratio_c * dml_pow(2, 2)); + ASSERT(disp_dlg_regs->dst_y_per_pte_row_nom_c < (unsigned int) dml_pow(2, 17)); + + disp_dlg_regs->dst_y_per_meta_row_nom_l = (unsigned int) ((double) meta_row_height_l + / (double) vratio_l * dml_pow(2, 2)); + ASSERT(disp_dlg_regs->dst_y_per_meta_row_nom_l < (unsigned int) dml_pow(2, 17)); + + disp_dlg_regs->dst_y_per_meta_row_nom_c = disp_dlg_regs->dst_y_per_meta_row_nom_l; /* dcc for 4:2:0 is not supported in dcn1.0. assigned to be the same as _l for now */ + + disp_dlg_regs->refcyc_per_pte_group_nom_l = (unsigned int) ((double) dpte_row_height_l + / (double) vratio_l * (double) htotal * ref_freq_to_pix_freq + / (double) dpte_groups_per_row_ub_l); + if (disp_dlg_regs->refcyc_per_pte_group_nom_l >= (unsigned int) dml_pow(2, 23)) + disp_dlg_regs->refcyc_per_pte_group_nom_l = dml_pow(2, 23) - 1; + + disp_dlg_regs->refcyc_per_pte_group_nom_c = (unsigned int) ((double) dpte_row_height_c + / (double) vratio_c * (double) htotal * ref_freq_to_pix_freq + / (double) dpte_groups_per_row_ub_c); + if (disp_dlg_regs->refcyc_per_pte_group_nom_c >= (unsigned int) dml_pow(2, 23)) + disp_dlg_regs->refcyc_per_pte_group_nom_c = dml_pow(2, 23) - 1; + + disp_dlg_regs->refcyc_per_meta_chunk_nom_l = (unsigned int) ((double) meta_row_height_l + / (double) vratio_l * (double) htotal * ref_freq_to_pix_freq + / (double) meta_chunks_per_row_ub_l); + if (disp_dlg_regs->refcyc_per_meta_chunk_nom_l >= (unsigned int) dml_pow(2, 23)) + disp_dlg_regs->refcyc_per_meta_chunk_nom_l = dml_pow(2, 23) - 1; + + if (mode_422) { + swath_width_pixels_ub_l = swath_width_ub_l * 2; /* *2 for 2 pixel per element */ + swath_width_pixels_ub_c = swath_width_ub_c * 2; + } else { + swath_width_pixels_ub_l = swath_width_ub_l * 1; + swath_width_pixels_ub_c = swath_width_ub_c * 1; + } + + hscale_pixel_rate_l = 0.; + hscale_pixel_rate_c = 0.; + min_hratio_fact_l = 1.0; + min_hratio_fact_c = 1.0; + + if (htaps_l <= 1) + min_hratio_fact_l = 2.0; + else if (htaps_l <= 6) { + if ((hratios_l * 2.0) > 4.0) + min_hratio_fact_l = 4.0; + else + min_hratio_fact_l = hratios_l * 2.0; + } else { + if (hratios_l > 4.0) + min_hratio_fact_l = 4.0; + else + min_hratio_fact_l = hratios_l; + } + + hscale_pixel_rate_l = min_hratio_fact_l * dppclk_freq_in_mhz; + + if (htaps_c <= 1) + min_hratio_fact_c = 2.0; + else if (htaps_c <= 6) { + if ((hratios_c * 2.0) > 4.0) + min_hratio_fact_c = 4.0; + else + min_hratio_fact_c = hratios_c * 2.0; + } else { + if (hratios_c > 4.0) + min_hratio_fact_c = 4.0; + else + min_hratio_fact_c = hratios_c; + } + + hscale_pixel_rate_c = min_hratio_fact_c * dppclk_freq_in_mhz; + + refcyc_per_line_delivery_pre_l = 0.; + refcyc_per_line_delivery_pre_c = 0.; + refcyc_per_line_delivery_l = 0.; + refcyc_per_line_delivery_c = 0.; + + refcyc_per_req_delivery_pre_l = 0.; + refcyc_per_req_delivery_pre_c = 0.; + refcyc_per_req_delivery_l = 0.; + refcyc_per_req_delivery_c = 0.; + refcyc_per_req_delivery_pre_cur0 = 0.; + refcyc_per_req_delivery_cur0 = 0.; + + full_recout_width = 0; + if (e2e_pipe_param.pipe.src.is_hsplit) { + if (e2e_pipe_param.pipe.dest.full_recout_width == 0) { + DTRACE("DLG: %s: Warningfull_recout_width not set in hsplit mode", __func__); + full_recout_width = e2e_pipe_param.pipe.dest.recout_width * 2; /* assume half split for dcn1 */ + } else + full_recout_width = e2e_pipe_param.pipe.dest.full_recout_width; + } else + full_recout_width = e2e_pipe_param.pipe.dest.recout_width; + + refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_pre_l, + hscale_pixel_rate_l, + swath_width_pixels_ub_l, + 1); /* per line */ + + refcyc_per_line_delivery_l = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_l, + hscale_pixel_rate_l, + swath_width_pixels_ub_l, + 1); /* per line */ + + DTRACE("DLG: %s: full_recout_width = %d", __func__, full_recout_width); + DTRACE("DLG: %s: hscale_pixel_rate_l = %3.2f", __func__, hscale_pixel_rate_l); + DTRACE( + "DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f", + __func__, + refcyc_per_line_delivery_pre_l); + DTRACE( + "DLG: %s: refcyc_per_line_delivery_l = %3.2f", + __func__, + refcyc_per_line_delivery_l); + + disp_dlg_regs->refcyc_per_line_delivery_pre_l = (unsigned int) dml_floor( + refcyc_per_line_delivery_pre_l, + 1); + disp_dlg_regs->refcyc_per_line_delivery_l = (unsigned int) dml_floor( + refcyc_per_line_delivery_l, + 1); + ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_l < (unsigned int) dml_pow(2, 13)); + ASSERT(disp_dlg_regs->refcyc_per_line_delivery_l < (unsigned int) dml_pow(2, 13)); + + if (dual_plane) { + refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_pre_c, + hscale_pixel_rate_c, + swath_width_pixels_ub_c, + 1); /* per line */ + + refcyc_per_line_delivery_c = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_c, + hscale_pixel_rate_c, + swath_width_pixels_ub_c, + 1); /* per line */ + + DTRACE( + "DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f", + __func__, + refcyc_per_line_delivery_pre_c); + DTRACE( + "DLG: %s: refcyc_per_line_delivery_c = %3.2f", + __func__, + refcyc_per_line_delivery_c); + + disp_dlg_regs->refcyc_per_line_delivery_pre_c = (unsigned int) dml_floor( + refcyc_per_line_delivery_pre_c, + 1); + disp_dlg_regs->refcyc_per_line_delivery_c = (unsigned int) dml_floor( + refcyc_per_line_delivery_c, + 1); + ASSERT(disp_dlg_regs->refcyc_per_line_delivery_pre_c < (unsigned int) dml_pow(2, 13)); + ASSERT(disp_dlg_regs->refcyc_per_line_delivery_c < (unsigned int) dml_pow(2, 13)); + } + disp_dlg_regs->chunk_hdl_adjust_cur0 = 3; + + /* TTU - Luma / Chroma */ + if (access_dir) { /* vertical access */ + scaler_rec_in_width_l = vp_height_l; + scaler_rec_in_width_c = vp_height_c; + } else { + scaler_rec_in_width_l = vp_width_l; + scaler_rec_in_width_c = vp_width_c; + } + + refcyc_per_req_delivery_pre_l = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_pre_l, + hscale_pixel_rate_l, + scaler_rec_in_width_l, + req_per_swath_ub_l); /* per req */ + refcyc_per_req_delivery_l = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_l, + hscale_pixel_rate_l, + scaler_rec_in_width_l, + req_per_swath_ub_l); /* per req */ + + DTRACE( + "DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f", + __func__, + refcyc_per_req_delivery_pre_l); + DTRACE( + "DLG: %s: refcyc_per_req_delivery_l = %3.2f", + __func__, + refcyc_per_req_delivery_l); + + disp_ttu_regs->refcyc_per_req_delivery_pre_l = (unsigned int) (refcyc_per_req_delivery_pre_l + * dml_pow(2, 10)); + disp_ttu_regs->refcyc_per_req_delivery_l = (unsigned int) (refcyc_per_req_delivery_l + * dml_pow(2, 10)); + + ASSERT(refcyc_per_req_delivery_pre_l < dml_pow(2, 13)); + ASSERT(refcyc_per_req_delivery_l < dml_pow(2, 13)); + + if (dual_plane) { + refcyc_per_req_delivery_pre_c = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_pre_c, + hscale_pixel_rate_c, + scaler_rec_in_width_c, + req_per_swath_ub_c); /* per req */ + refcyc_per_req_delivery_c = get_refcyc_per_delivery( + mode_lib, + refclk_freq_in_mhz, + pclk_freq_in_mhz, + full_recout_width, + vratio_c, + hscale_pixel_rate_c, + scaler_rec_in_width_c, + req_per_swath_ub_c); /* per req */ + + DTRACE( + "DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f", + __func__, + refcyc_per_req_delivery_pre_c); + DTRACE( + "DLG: %s: refcyc_per_req_delivery_c = %3.2f", + __func__, + refcyc_per_req_delivery_c); + + disp_ttu_regs->refcyc_per_req_delivery_pre_c = + (unsigned int) (refcyc_per_req_delivery_pre_c * dml_pow(2, 10)); + disp_ttu_regs->refcyc_per_req_delivery_c = (unsigned int) (refcyc_per_req_delivery_c + * dml_pow(2, 10)); + + ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13)); + ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13)); + } + + /* TTU - Cursor */ + hratios_cur0 = e2e_pipe_param.pipe.scale_ratio_depth.hscl_ratio; + cur0_src_width = e2e_pipe_param.pipe.src.cur0_src_width; /* cursor source width */ + cur0_bpp = (enum cursor_bpp) e2e_pipe_param.pipe.src.cur0_bpp; + cur0_req_size = 0; + cur0_req_width = 0; + cur0_width_ub = 0.0; + cur0_req_per_width = 0.0; + hactive_cur0 = 0.0; + + ASSERT(cur0_src_width <= 256); + + if (cur0_src_width > 0) { + unsigned int cur0_bit_per_pixel = 0; + + if (cur0_bpp == dm_cur_2bit) { + cur0_req_size = 64; /* byte */ + cur0_bit_per_pixel = 2; + } else { /* 32bit */ + cur0_bit_per_pixel = 32; + if (cur0_src_width >= 1 && cur0_src_width <= 16) + cur0_req_size = 64; + else if (cur0_src_width >= 17 && cur0_src_width <= 31) + cur0_req_size = 128; + else + cur0_req_size = 256; + } + + cur0_req_width = (double) cur0_req_size / ((double) cur0_bit_per_pixel / 8.0); + cur0_width_ub = dml_ceil((double) cur0_src_width / (double) cur0_req_width, 1) + * (double) cur0_req_width; + cur0_req_per_width = cur0_width_ub / (double) cur0_req_width; + hactive_cur0 = (double) cur0_src_width / hratios_cur0; /* FIXME: oswin to think about what to do for cursor */ + + if (vratio_pre_l <= 1.0) { + refcyc_per_req_delivery_pre_cur0 = hactive_cur0 * ref_freq_to_pix_freq + / (double) cur0_req_per_width; + } else { + refcyc_per_req_delivery_pre_cur0 = (double) refclk_freq_in_mhz + * (double) cur0_src_width / hscale_pixel_rate_l + / (double) cur0_req_per_width; + } + + disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 = + (unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10)); + ASSERT(refcyc_per_req_delivery_pre_cur0 < dml_pow(2, 13)); + + if (vratio_l <= 1.0) { + refcyc_per_req_delivery_cur0 = hactive_cur0 * ref_freq_to_pix_freq + / (double) cur0_req_per_width; + } else { + refcyc_per_req_delivery_cur0 = (double) refclk_freq_in_mhz + * (double) cur0_src_width / hscale_pixel_rate_l + / (double) cur0_req_per_width; + } + + DTRACE("DLG: %s: cur0_req_width = %d", __func__, cur0_req_width); + DTRACE( + "DLG: %s: cur0_width_ub = %3.2f", + __func__, + cur0_width_ub); + DTRACE( + "DLG: %s: cur0_req_per_width = %3.2f", + __func__, + cur0_req_per_width); + DTRACE( + "DLG: %s: hactive_cur0 = %3.2f", + __func__, + hactive_cur0); + DTRACE( + "DLG: %s: refcyc_per_req_delivery_pre_cur0 = %3.2f", + __func__, + refcyc_per_req_delivery_pre_cur0); + DTRACE( + "DLG: %s: refcyc_per_req_delivery_cur0 = %3.2f", + __func__, + refcyc_per_req_delivery_cur0); + + disp_ttu_regs->refcyc_per_req_delivery_cur0 = + (unsigned int) (refcyc_per_req_delivery_cur0 * dml_pow(2, 10)); + ASSERT(refcyc_per_req_delivery_cur0 < dml_pow(2, 13)); + } else { + disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 = 0; + disp_ttu_regs->refcyc_per_req_delivery_cur0 = 0; + } + + /* TTU - Misc */ + disp_ttu_regs->qos_level_low_wm = 0; + ASSERT(disp_ttu_regs->qos_level_low_wm < dml_pow(2, 14)); + disp_ttu_regs->qos_level_high_wm = (unsigned int) (4.0 * (double) htotal + * ref_freq_to_pix_freq); + ASSERT(disp_ttu_regs->qos_level_high_wm < dml_pow(2, 14)); + + disp_ttu_regs->qos_level_flip = 14; + disp_ttu_regs->qos_level_fixed_l = 8; + disp_ttu_regs->qos_level_fixed_c = 8; + disp_ttu_regs->qos_level_fixed_cur0 = 8; + disp_ttu_regs->qos_ramp_disable_l = 0; + disp_ttu_regs->qos_ramp_disable_c = 0; + disp_ttu_regs->qos_ramp_disable_cur0 = 0; + + disp_ttu_regs->min_ttu_vblank = min_ttu_vblank * refclk_freq_in_mhz; + ASSERT(disp_ttu_regs->min_ttu_vblank < dml_pow(2, 24)); + + print__ttu_regs_st(mode_lib, *disp_ttu_regs); + print__dlg_regs_st(mode_lib, *disp_dlg_regs); +} |