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* Copyright 2018 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#include "../display_mode_lib.h"
#include "../display_mode_vba.h"
#include "display_rq_dlg_calc_20v2.h"
// Function: dml20v2_rq_dlg_get_rq_params
// Calculate requestor related parameters that register definition agnostic
// (i.e. this layer does try to separate real values from register definition)
// Input:
// pipe_src_param - pipe source configuration (e.g. vp, pitch, etc.)
// Output:
// rq_param - values that can be used to setup RQ (e.g. swath_height, plane1_addr, etc.)
//
static void dml20v2_rq_dlg_get_rq_params(
struct display_mode_lib *mode_lib,
display_rq_params_st * rq_param,
const display_pipe_source_params_st pipe_src_param);
// Function: dml20v2_rq_dlg_get_dlg_params
// Calculate deadline related parameters
//
static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
const display_e2e_pipe_params_st *e2e_pipe_param,
const unsigned int num_pipes,
const unsigned int pipe_idx,
display_dlg_regs_st *disp_dlg_regs,
display_ttu_regs_st *disp_ttu_regs,
const display_rq_dlg_params_st rq_dlg_param,
const display_dlg_sys_params_st dlg_sys_param,
const bool cstate_en,
const bool pstate_en);
/*
* 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 void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
double *refcyc_per_req_delivery_pre_cur,
double *refcyc_per_req_delivery_cur,
double refclk_freq_in_mhz,
double ref_freq_to_pix_freq,
double hscale_pixel_rate_l,
double hscl_ratio,
double vratio_pre_l,
double vratio_l,
unsigned int cur_width,
enum cursor_bpp cur_bpp);
#include "../dml_inline_defs.h"
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;
} else if (source_format == dm_444_8) {
ret_val = 1;
}
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 double get_refcyc_per_delivery(struct display_mode_lib *mode_lib,
double refclk_freq_in_mhz,
double pclk_freq_in_mhz,
bool odm_combine,
unsigned int recout_width,
unsigned int hactive,
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) {
if (odm_combine)
refcyc_per_delivery = (double) refclk_freq_in_mhz
* dml_min((double) recout_width, (double) hactive / 2.0)
/ pclk_freq_in_mhz / (double) req_per_swath_ub;
else
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;
}
dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz);
dml_print("DML_DLG: %s: recout_width = %d\n", __func__, recout_width);
dml_print("DML_DLG: %s: vratio = %3.2f\n", __func__, vratio);
dml_print("DML_DLG: %s: req_per_swath_ub = %d\n", __func__, req_per_swath_ub);
dml_print("DML_DLG: %s: refcyc_per_delivery= %3.2f\n", __func__, refcyc_per_delivery);
return refcyc_per_delivery;
}
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,
display_data_rq_regs_st *rq_regs,
const display_data_rq_sizing_params_st rq_sizing)
{
dml_print("DML_DLG: %s: rq_sizing param\n", __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;
}
static void extract_rq_regs(struct display_mode_lib *mode_lib,
display_rq_regs_st *rq_regs,
const 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);
rq_regs->rq_regs_l.pte_row_height_linear = dml_floor(dml_log2(rq_param.dlg.rq_l.dpte_row_height),
1) - 3;
if (rq_param.yuv420) {
extract_rq_sizing_regs(mode_lib, &(rq_regs->rq_regs_c), rq_param.sizing.rq_c);
rq_regs->rq_regs_c.pte_row_height_linear = dml_floor(dml_log2(rq_param.dlg.rq_c.dpte_row_height),
1) - 3;
}
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,
display_rq_params_st *rq_param,
const 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;
}
// 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;
dml_print("DML_DLG: %s: req128_l = %0d\n", __func__, req128_l);
dml_print("DML_DLG: %s: req128_c = %0d\n", __func__, req128_c);
dml_print("DML_DLG: %s: full_swath_bytes_packed_l = %0d\n",
__func__,
full_swath_bytes_packed_l);
dml_print("DML_DLG: %s: full_swath_bytes_packed_c = %0d\n",
__func__,
full_swath_bytes_packed_c);
}
static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
display_data_rq_dlg_params_st *rq_dlg_param,
display_data_rq_misc_params_st *rq_misc_param,
display_data_rq_sizing_params_st *rq_sizing_param,
unsigned int vp_width,
unsigned int vp_height,
unsigned int data_pitch,
unsigned int meta_pitch,
unsigned int source_format,
unsigned int tiling,
unsigned int macro_tile_size,
unsigned int source_scan,
unsigned int is_chroma)
{
bool surf_linear = (tiling == dm_sw_linear);
bool surf_vert = (source_scan == dm_vert);
unsigned int bytes_per_element;
unsigned int bytes_per_element_y = get_bytes_per_element((enum source_format_class)(source_format),
false);
unsigned int bytes_per_element_c = get_bytes_per_element((enum source_format_class)(source_format),
true);
unsigned int blk256_width = 0;
unsigned int blk256_height = 0;
unsigned int blk256_width_y = 0;
unsigned int blk256_height_y = 0;
unsigned int blk256_width_c = 0;
unsigned int blk256_height_c = 0;
unsigned int log2_bytes_per_element;
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;
//full sized meta chunk width in unit of data elements
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;
const unsigned int log2_vmpg_bytes = dml_log2(mode_lib->soc.vmm_page_size_bytes);
const unsigned int dpte_buf_in_pte_reqs = mode_lib->ip.dpte_buffer_size_in_pte_reqs_luma;
const unsigned int pde_proc_buffer_size_64k_reqs =
mode_lib->ip.pde_proc_buffer_size_64k_reqs;
unsigned int log2_vmpg_height = 0;
unsigned int log2_vmpg_width = 0;
unsigned int log2_dpte_req_height_ptes = 0;
unsigned int log2_dpte_req_height = 0;
unsigned int log2_dpte_req_width = 0;
unsigned int log2_dpte_row_height_linear = 0;
unsigned int log2_dpte_row_height = 0;
unsigned int log2_dpte_group_width = 0;
unsigned int dpte_row_width_ub = 0;
unsigned int dpte_req_height = 0;
unsigned int dpte_req_width = 0;
unsigned int dpte_group_width = 0;
unsigned int log2_dpte_group_bytes = 0;
unsigned int log2_dpte_group_length = 0;
unsigned int pde_buf_entries;
bool yuv420 = (source_format == dm_420_8 || source_format == dm_420_10);
Calculate256BBlockSizes((enum source_format_class)(source_format),
(enum dm_swizzle_mode)(tiling),
bytes_per_element_y,
bytes_per_element_c,
&blk256_height_y,
&blk256_height_c,
&blk256_width_y,
&blk256_width_c);
if (!is_chroma) {
blk256_width = blk256_width_y;
blk256_height = blk256_height_y;
bytes_per_element = bytes_per_element_y;
} else {
blk256_width = blk256_width_c;
blk256_height = blk256_height_c;
bytes_per_element = bytes_per_element_c;
}
log2_bytes_per_element = dml_log2(bytes_per_element);
dml_print("DML_DLG: %s: surf_linear = %d\n", __func__, surf_linear);
dml_print("DML_DLG: %s: surf_vert = %d\n", __func__, surf_vert);
dml_print("DML_DLG: %s: blk256_width = %d\n", __func__, blk256_width);
dml_print("DML_DLG: %s: blk256_height = %d\n", __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) 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;
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;
rq_dlg_param->meta_row_height = 1 << log2_meta_row_height;
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;
dml_print("DML_DLG: %s: meta_blk_height = %d\n", __func__, meta_blk_height);
dml_print("DML_DLG: %s: meta_blk_width = %d\n", __func__, meta_blk_width);
dml_print("DML_DLG: %s: meta_surface_bytes = %d\n", __func__, meta_surface_bytes);
dml_print("DML_DLG: %s: meta_pte_req_per_frame_ub = %d\n",
__func__,
meta_pte_req_per_frame_ub);
dml_print("DML_DLG: %s: meta_pte_bytes_per_frame_ub = %d\n",
__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;
// ------
// dpte
// ------
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 (surf_linear) { //one 64B PTE request returns 8 PTEs
log2_dpte_req_height_ptes = 0;
log2_dpte_req_width = log2_vmpg_width + 3;
log2_dpte_req_height = 0;
} else if (log2_blk_bytes == 12) { //4KB tile means 4kB page size
//one 64B req gives 8x1 PTEs for 4KB tile
log2_dpte_req_height_ptes = 0;
log2_dpte_req_width = log2_blk_width + 3;
log2_dpte_req_height = log2_blk_height + 0;
} else if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) { // tile block >= 64KB
//two 64B reqs of 2x4 PTEs give 16 PTEs to cover 64KB
log2_dpte_req_height_ptes = 4;
log2_dpte_req_width = log2_blk256_width + 4; // log2_64KB_width
log2_dpte_req_height = log2_blk256_height + 4; // log2_64KB_height
} else { //64KB page size and must 64KB tile block
//one 64B req gives 8x1 PTEs for 64KB tile
log2_dpte_req_height_ptes = 0;
log2_dpte_req_width = log2_blk_width + 3;
log2_dpte_req_height = log2_blk_height + 0;
}
// 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.
pde_buf_entries = yuv420 ? (pde_proc_buffer_size_64k_reqs >> 1) : pde_proc_buffer_size_64k_reqs;
if (surf_linear) {
unsigned int dpte_row_height;
log2_dpte_row_height_linear = dml_floor(dml_log2(dml_min(64 * 1024 * pde_buf_entries
/ bytes_per_element,
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;
// 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_height = 1 << log2_dpte_row_height;
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 {
// the upper bound of the dpte_row_width without dependency on viewport position follows.
// 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;
}
}
if (log2_blk_bytes >= 16 && log2_vmpg_bytes == 12) // tile block >= 64KB
rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 128; //2*64B dpte request
else
rq_dlg_param->dpte_bytes_per_row_ub = rq_dlg_param->dpte_req_per_row_ub * 64; //64B dpte request
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;
//But if the tile block >=64KB and the page size is 4KB, then each dPTE request is 2*64B
if ((log2_blk_bytes >= 16) && (log2_vmpg_bytes == 12)) // tile block >= 64KB
log2_dpte_group_width = log2_dpte_group_width - 1;
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);
}
static void get_surf_rq_param(struct display_mode_lib *mode_lib,
display_data_rq_sizing_params_st *rq_sizing_param,
display_data_rq_dlg_params_st *rq_dlg_param,
display_data_rq_misc_params_st *rq_misc_param,
const 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;
// 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;
get_meta_and_pte_attr(mode_lib,
rq_dlg_param,
rq_misc_param,
rq_sizing_param,
vp_width,
vp_height,
data_pitch,
meta_pitch,
pipe_src_param.source_format,
pipe_src_param.sw_mode,
pipe_src_param.macro_tile_size,
pipe_src_param.source_scan,
is_chroma);
}
static void dml20v2_rq_dlg_get_rq_params(struct display_mode_lib *mode_lib,
display_rq_params_st *rq_param,
const 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);
}
void dml20v2_rq_dlg_get_rq_reg(struct display_mode_lib *mode_lib,
display_rq_regs_st *rq_regs,
const display_pipe_params_st pipe_param)
{
display_rq_params_st rq_param = {0};
memset(rq_regs, 0, sizeof(*rq_regs));
dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, pipe_param.src);
extract_rq_regs(mode_lib, rq_regs, rq_param);
print__rq_regs_st(mode_lib, *rq_regs);
}
// Note: currently taken in as is.
// Nice to decouple code from hw register implement and extract code that are repeated for luma and chroma.
static void dml20v2_rq_dlg_get_dlg_params(struct display_mode_lib *mode_lib,
const display_e2e_pipe_params_st *e2e_pipe_param,
const unsigned int num_pipes,
const unsigned int pipe_idx,
display_dlg_regs_st *disp_dlg_regs,
display_ttu_regs_st *disp_ttu_regs,
const display_rq_dlg_params_st rq_dlg_param,
const display_dlg_sys_params_st dlg_sys_param,
const bool cstate_en,
const bool pstate_en)
{
const display_pipe_source_params_st *src = &e2e_pipe_param[pipe_idx].pipe.src;
const display_pipe_dest_params_st *dst = &e2e_pipe_param[pipe_idx].pipe.dest;
const display_output_params_st *dout = &e2e_pipe_param[pipe_idx].dout;
const display_clocks_and_cfg_st *clks = &e2e_pipe_param[pipe_idx].clks_cfg;
const scaler_ratio_depth_st *scl = &e2e_pipe_param[pipe_idx].pipe.scale_ratio_depth;
const scaler_taps_st *taps = &e2e_pipe_param[pipe_idx].pipe.scale_taps;
// -------------------------
// Section 1.15.2.1: OTG dependent Params
// -------------------------
// Timing
unsigned int htotal = dst->htotal;
// unsigned int hblank_start = dst.hblank_start; // TODO: Remove
unsigned int hblank_end = dst->hblank_end;
unsigned int vblank_start = dst->vblank_start;
unsigned int vblank_end = dst->vblank_end;
unsigned int min_vblank = mode_lib->ip.min_vblank_lines;
double dppclk_freq_in_mhz = clks->dppclk_mhz;
double dispclk_freq_in_mhz = clks->dispclk_mhz;
double refclk_freq_in_mhz = clks->refclk_mhz;
double pclk_freq_in_mhz = dst->pixel_rate_mhz;
bool interlaced = dst->interlaced;
double ref_freq_to_pix_freq = refclk_freq_in_mhz / pclk_freq_in_mhz;
double min_dcfclk_mhz;
double t_calc_us;
double min_ttu_vblank;
double min_dst_y_ttu_vblank;
unsigned int dlg_vblank_start;
bool dual_plane;
bool mode_422;
unsigned int access_dir;
unsigned int vp_height_l;
unsigned int vp_width_l;
unsigned int vp_height_c;
unsigned int vp_width_c;
// Scaling
unsigned int htaps_l;
unsigned int htaps_c;
double hratio_l;
double hratio_c;
double vratio_l;
double vratio_c;
bool scl_enable;
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 meta_chunks_per_row_ub_c;
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 dst_y_prefetch;
double dst_y_per_vm_vblank;
double dst_y_per_row_vblank;
double dst_y_per_vm_flip;
double dst_y_per_row_flip;
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 meta_row_height_c;
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;
unsigned int full_recout_width;
double xfc_transfer_delay;
double xfc_precharge_delay;
double xfc_remote_surface_flip_latency;
double xfc_dst_y_delta_drq_limit;
double xfc_prefetch_margin;
double refcyc_per_req_delivery_pre_cur0;
double refcyc_per_req_delivery_cur0;
double refcyc_per_req_delivery_pre_cur1;
double refcyc_per_req_delivery_cur1;
memset(disp_dlg_regs, 0, sizeof(*disp_dlg_regs));
memset(disp_ttu_regs, 0, sizeof(*disp_ttu_regs));
dml_print("DML_DLG: %s: cstate_en = %d\n", __func__, cstate_en);
dml_print("DML_DLG: %s: pstate_en = %d\n", __func__, pstate_en);
dml_print("DML_DLG: %s: dppclk_freq_in_mhz = %3.2f\n", __func__, dppclk_freq_in_mhz);
dml_print("DML_DLG: %s: dispclk_freq_in_mhz = %3.2f\n", __func__, dispclk_freq_in_mhz);
dml_print("DML_DLG: %s: refclk_freq_in_mhz = %3.2f\n", __func__, refclk_freq_in_mhz);
dml_print("DML_DLG: %s: pclk_freq_in_mhz = %3.2f\n", __func__, pclk_freq_in_mhz);
dml_print("DML_DLG: %s: interlaced = %d\n", __func__, interlaced);
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->dlg_vblank_end = interlaced ? (vblank_end / 2) : vblank_end; // 15 bits
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));
min_dcfclk_mhz = dlg_sys_param.deepsleep_dcfclk_mhz;
t_calc_us = get_tcalc(mode_lib, e2e_pipe_param, num_pipes);
min_ttu_vblank = get_min_ttu_vblank(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
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));
dml_print("DML_DLG: %s: min_dcfclk_mhz = %3.2f\n",
__func__,
min_dcfclk_mhz);
dml_print("DML_DLG: %s: min_ttu_vblank = %3.2f\n",
__func__,
min_ttu_vblank);
dml_print("DML_DLG: %s: min_dst_y_ttu_vblank = %3.2f\n",
__func__,
min_dst_y_ttu_vblank);
dml_print("DML_DLG: %s: t_calc_us = %3.2f\n",
__func__,
t_calc_us);
dml_print("DML_DLG: %s: disp_dlg_regs->min_dst_y_next_start = 0x%0x\n",
__func__,
disp_dlg_regs->min_dst_y_next_start);
dml_print("DML_DLG: %s: ref_freq_to_pix_freq = %3.2f\n",
__func__,
ref_freq_to_pix_freq);
// -------------------------
// Section 1.15.2.2: Prefetch, Active and TTU
// -------------------------
// Prefetch Calc
// Source
// dcc_en = src.dcc;
dual_plane = is_dual_plane((enum source_format_class)(src->source_format));
mode_422 = 0; // FIXME
access_dir = (src->source_scan == dm_vert); // vp access direction: horizontal or vertical accessed
// bytes_per_element_l = get_bytes_per_element(source_format_class(src.source_format), 0);
// bytes_per_element_c = get_bytes_per_element(source_format_class(src.source_format), 1);
vp_height_l = src->viewport_height;
vp_width_l = src->viewport_width;
vp_height_c = src->viewport_height_c;
vp_width_c = src->viewport_width_c;
// Scaling
htaps_l = taps->htaps;
htaps_c = taps->htaps_c;
hratio_l = scl->hscl_ratio;
hratio_c = scl->hscl_ratio_c;
vratio_l = scl->vscl_ratio;
vratio_c = scl->vscl_ratio_c;
scl_enable = scl->scl_enable;
line_time_in_us = (htotal / pclk_freq_in_mhz);
// vinit_l = scl.vinit;
// vinit_c = scl.vinit_c;
// vinit_bot_l = scl.vinit_bot;
// vinit_bot_c = scl.vinit_bot_c;
// unsigned int swath_height_l = rq_dlg_param.rq_l.swath_height;
swath_width_ub_l = rq_dlg_param.rq_l.swath_width_ub;
// unsigned int 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;
// unsigned int meta_pte_bytes_per_frame_ub_l = rq_dlg_param.rq_l.meta_pte_bytes_per_frame_ub;
// unsigned int meta_bytes_per_row_ub_l = rq_dlg_param.rq_l.meta_bytes_per_row_ub;
// unsigned int 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;
meta_chunks_per_row_ub_c = rq_dlg_param.rq_c.meta_chunks_per_row_ub;
vupdate_offset = dst->vupdate_offset;
vupdate_width = dst->vupdate_width;
vready_offset = dst->vready_offset;
dppclk_delay_subtotal = mode_lib->ip.dppclk_delay_subtotal;
dispclk_delay_subtotal = mode_lib->ip.dispclk_delay_subtotal;
if (scl_enable)
dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl;
else
dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_scl_lb_only;
dppclk_delay_subtotal += mode_lib->ip.dppclk_delay_cnvc_formatter
+ src->num_cursors * mode_lib->ip.dppclk_delay_cnvc_cursor;
if (dout->dsc_enable) {
double dsc_delay = get_dsc_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dispclk_delay_subtotal += dsc_delay;
}
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 = dst->vstartup_start;
if (interlaced) {
if (vstartup_start / 2.0
- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
<= vblank_end / 2.0)
disp_dlg_regs->vready_after_vcount0 = 1;
else
disp_dlg_regs->vready_after_vcount0 = 0;
} else {
if (vstartup_start
- (double) (vready_offset + vupdate_width + vupdate_offset) / htotal
<= vblank_end)
disp_dlg_regs->vready_after_vcount0 = 1;
else
disp_dlg_regs->vready_after_vcount0 = 0;
}
// TODO: Where is this coming from?
if (interlaced)
vstartup_start = vstartup_start / 2;
// TODO: What if this min_vblank doesn't match the value in the dml_config_settings.cpp?
if (vstartup_start >= min_vblank) {
dml_print("WARNING: DML_DLG: %s: vblank_start=%d vblank_end=%d\n",
__func__,
vblank_start,
vblank_end);
dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
__func__,
vstartup_start,
min_vblank);
min_vblank = vstartup_start + 1;
dml_print("WARNING: DML_DLG: %s: vstartup_start=%d should be less than min_vblank=%d\n",
__func__,
vstartup_start,
min_vblank);
}
dst_x_after_scaler = get_dst_x_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dst_y_after_scaler = get_dst_y_after_scaler(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dml_print("DML_DLG: %s: htotal = %d\n", __func__, htotal);
dml_print("DML_DLG: %s: pixel_rate_delay_subtotal = %d\n",
__func__,
pixel_rate_delay_subtotal);
dml_print("DML_DLG: %s: dst_x_after_scaler = %d\n",
__func__,
dst_x_after_scaler);
dml_print("DML_DLG: %s: dst_y_after_scaler = %d\n",
__func__,
dst_y_after_scaler);
// Lwait
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;
dst_y_prefetch = get_dst_y_prefetch(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dml_print("DML_DLG: %s: dst_y_prefetch (after rnd) = %3.2f\n", __func__, dst_y_prefetch);
dst_y_per_vm_vblank = get_dst_y_per_vm_vblank(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx);
dst_y_per_row_vblank = get_dst_y_per_row_vblank(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx);
dst_y_per_vm_flip = get_dst_y_per_vm_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dst_y_per_row_flip = get_dst_y_per_row_flip(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
min_dst_y_per_vm_vblank = 8.0;
min_dst_y_per_row_vblank = 16.0;
// magic!
if (htotal <= 75) {
min_vblank = 300;
min_dst_y_per_vm_vblank = 100.0;
min_dst_y_per_row_vblank = 100.0;
}
dml_print("DML_DLG: %s: dst_y_per_vm_vblank = %3.2f\n", __func__, dst_y_per_vm_vblank);
dml_print("DML_DLG: %s: dst_y_per_row_vblank = %3.2f\n", __func__, dst_y_per_row_vblank);
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);
dml_print("DML_DLG: %s: lsw = %3.2f\n", __func__, lsw);
vratio_pre_l = get_vratio_prefetch_l(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
vratio_pre_c = get_vratio_prefetch_c(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
dml_print("DML_DLG: %s: vratio_pre_l=%3.2f\n", __func__, vratio_pre_l);
dml_print("DML_DLG: %s: vratio_pre_c=%3.2f\n", __func__, vratio_pre_c);
// 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;
meta_row_height_c = rq_dlg_param.rq_c.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;
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 ((hratio_l * 2.0) > 4.0)
min_hratio_fact_l = 4.0;
else
min_hratio_fact_l = hratio_l * 2.0;
} else {
if (hratio_l > 4.0)
min_hratio_fact_l = 4.0;
else
min_hratio_fact_l = hratio_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 ((hratio_c * 2.0) > 4.0)
min_hratio_fact_c = 4.0;
else
min_hratio_fact_c = hratio_c * 2.0;
} else {
if (hratio_c > 4.0)
min_hratio_fact_c = 4.0;
else
min_hratio_fact_c = hratio_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.;
full_recout_width = 0;
// In ODM
if (src->is_hsplit) {
// This "hack" is only allowed (and valid) for MPC combine. In ODM
// combine, you MUST specify the full_recout_width...according to Oswin
if (dst->full_recout_width == 0 && !dst->odm_combine) {
dml_print("DML_DLG: %s: Warning: full_recout_width not set in hsplit mode\n",
__func__);
full_recout_width = dst->recout_width * 2; // assume half split for dcn1
} else
full_recout_width = dst->full_recout_width;
} else
full_recout_width = dst->recout_width;
// As of DCN2, mpc_combine and odm_combine are mutually exclusive
refcyc_per_line_delivery_pre_l = get_refcyc_per_delivery(mode_lib,
refclk_freq_in_mhz,
pclk_freq_in_mhz,
dst->odm_combine,
full_recout_width,
dst->hactive,
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,
dst->odm_combine,
full_recout_width,
dst->hactive,
vratio_l,
hscale_pixel_rate_l,
swath_width_pixels_ub_l,
1); // per line
dml_print("DML_DLG: %s: full_recout_width = %d\n",
__func__,
full_recout_width);
dml_print("DML_DLG: %s: hscale_pixel_rate_l = %3.2f\n",
__func__,
hscale_pixel_rate_l);
dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_l = %3.2f\n",
__func__,
refcyc_per_line_delivery_pre_l);
dml_print("DML_DLG: %s: refcyc_per_line_delivery_l = %3.2f\n",
__func__,
refcyc_per_line_delivery_l);
if (dual_plane) {
refcyc_per_line_delivery_pre_c = get_refcyc_per_delivery(mode_lib,
refclk_freq_in_mhz,
pclk_freq_in_mhz,
dst->odm_combine,
full_recout_width,
dst->hactive,
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,
dst->odm_combine,
full_recout_width,
dst->hactive,
vratio_c,
hscale_pixel_rate_c,
swath_width_pixels_ub_c,
1); // per line
dml_print("DML_DLG: %s: refcyc_per_line_delivery_pre_c = %3.2f\n",
__func__,
refcyc_per_line_delivery_pre_c);
dml_print("DML_DLG: %s: refcyc_per_line_delivery_c = %3.2f\n",
__func__,
refcyc_per_line_delivery_c);
}
// 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,
dst->odm_combine,
full_recout_width,
dst->hactive,
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,
dst->odm_combine,
full_recout_width,
dst->hactive,
vratio_l,
hscale_pixel_rate_l,
scaler_rec_in_width_l,
req_per_swath_ub_l); // per req
dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_l = %3.2f\n",
__func__,
refcyc_per_req_delivery_pre_l);
dml_print("DML_DLG: %s: refcyc_per_req_delivery_l = %3.2f\n",
__func__,
refcyc_per_req_delivery_l);
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,
dst->odm_combine,
full_recout_width,
dst->hactive,
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,
dst->odm_combine,
full_recout_width,
dst->hactive,
vratio_c,
hscale_pixel_rate_c,
scaler_rec_in_width_c,
req_per_swath_ub_c); // per req
dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_c = %3.2f\n",
__func__,
refcyc_per_req_delivery_pre_c);
dml_print("DML_DLG: %s: refcyc_per_req_delivery_c = %3.2f\n",
__func__,
refcyc_per_req_delivery_c);
ASSERT(refcyc_per_req_delivery_pre_c < dml_pow(2, 13));
ASSERT(refcyc_per_req_delivery_c < dml_pow(2, 13));
}
// XFC
xfc_transfer_delay = get_xfc_transfer_delay(mode_lib, e2e_pipe_param, num_pipes, pipe_idx);
xfc_precharge_delay = get_xfc_precharge_delay(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx);
xfc_remote_surface_flip_latency = get_xfc_remote_surface_flip_latency(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx);
xfc_dst_y_delta_drq_limit = xfc_remote_surface_flip_latency;
xfc_prefetch_margin = get_xfc_prefetch_margin(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx);
// TTU - Cursor
refcyc_per_req_delivery_pre_cur0 = 0.0;
refcyc_per_req_delivery_cur0 = 0.0;
if (src->num_cursors > 0) {
calculate_ttu_cursor(mode_lib,
&refcyc_per_req_delivery_pre_cur0,
&refcyc_per_req_delivery_cur0,
refclk_freq_in_mhz,
ref_freq_to_pix_freq,
hscale_pixel_rate_l,
scl->hscl_ratio,
vratio_pre_l,
vratio_l,
src->cur0_src_width,
(enum cursor_bpp)(src->cur0_bpp));
}
refcyc_per_req_delivery_pre_cur1 = 0.0;
refcyc_per_req_delivery_cur1 = 0.0;
if (src->num_cursors > 1) {
calculate_ttu_cursor(mode_lib,
&refcyc_per_req_delivery_pre_cur1,
&refcyc_per_req_delivery_cur1,
refclk_freq_in_mhz,
ref_freq_to_pix_freq,
hscale_pixel_rate_l,
scl->hscl_ratio,
vratio_pre_l,
vratio_l,
src->cur1_src_width,
(enum cursor_bpp)(src->cur1_bpp));
}
// TTU - Misc
// all hard-coded
// Assignment to register structures
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));
disp_dlg_regs->dst_y_prefetch = (unsigned int) (dst_y_prefetch * dml_pow(2, 2));
disp_dlg_regs->dst_y_per_vm_vblank = (unsigned int) (dst_y_per_vm_vblank * dml_pow(2, 2));
disp_dlg_regs->dst_y_per_row_vblank = (unsigned int) (dst_y_per_row_vblank * dml_pow(2, 2));
disp_dlg_regs->dst_y_per_vm_flip = (unsigned int) (dst_y_per_vm_flip * dml_pow(2, 2));
disp_dlg_regs->dst_y_per_row_flip = (unsigned int) (dst_y_per_row_flip * dml_pow(2, 2));
disp_dlg_regs->vratio_prefetch = (unsigned int) (vratio_pre_l * dml_pow(2, 19));
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));
if (dual_plane) {
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
disp_dlg_regs->refcyc_per_pte_group_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
* ref_freq_to_pix_freq) / dpte_groups_per_row_ub_l;
disp_dlg_regs->refcyc_per_meta_chunk_flip_l = (unsigned int) (dst_y_per_row_flip * htotal
* ref_freq_to_pix_freq) / meta_chunks_per_row_ub_l;
if (dual_plane) {
disp_dlg_regs->refcyc_per_pte_group_flip_c = (unsigned int) (dst_y_per_row_flip
* htotal * ref_freq_to_pix_freq) / dpte_groups_per_row_ub_c;
disp_dlg_regs->refcyc_per_meta_chunk_flip_c = (unsigned int) (dst_y_per_row_flip
* htotal * ref_freq_to_pix_freq) / meta_chunks_per_row_ub_c;
}
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));
if (dual_plane) {
disp_dlg_regs->dst_y_per_pte_row_nom_c = (unsigned int) ((double) dpte_row_height_c
/ (double) vratio_c * dml_pow(2, 2));
if (disp_dlg_regs->dst_y_per_pte_row_nom_c >= (unsigned int) dml_pow(2, 17)) {
dml_print("DML_DLG: %s: Warning dst_y_per_pte_row_nom_c %u larger than supported by register format U15.2 %u\n",
__func__,
disp_dlg_regs->dst_y_per_pte_row_nom_c,
(unsigned int) dml_pow(2, 17) - 1);
}
}
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; // TODO: 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_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 (dual_plane) {
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;
// TODO: Is this the right calculation? Does htotal need to be halved?
disp_dlg_regs->refcyc_per_meta_chunk_nom_c =
(unsigned int) ((double) meta_row_height_c / (double) vratio_c
* (double) htotal * ref_freq_to_pix_freq
/ (double) meta_chunks_per_row_ub_c);
if (disp_dlg_regs->refcyc_per_meta_chunk_nom_c >= (unsigned int) dml_pow(2, 23))
disp_dlg_regs->refcyc_per_meta_chunk_nom_c = dml_pow(2, 23) - 1;
}
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));
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;
disp_dlg_regs->dst_y_offset_cur0 = 0;
disp_dlg_regs->chunk_hdl_adjust_cur1 = 3;
disp_dlg_regs->dst_y_offset_cur1 = 0;
disp_dlg_regs->xfc_reg_transfer_delay = xfc_transfer_delay;
disp_dlg_regs->xfc_reg_precharge_delay = xfc_precharge_delay;
disp_dlg_regs->xfc_reg_remote_surface_flip_latency = xfc_remote_surface_flip_latency;
disp_dlg_regs->xfc_reg_prefetch_margin = dml_ceil(xfc_prefetch_margin * refclk_freq_in_mhz,
1);
// slave has to have this value also set to off
if (src->xfc_enable && !src->xfc_slave)
disp_dlg_regs->dst_y_delta_drq_limit = dml_ceil(xfc_dst_y_delta_drq_limit, 1);
else
disp_dlg_regs->dst_y_delta_drq_limit = 0x7fff; // off
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));
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));
disp_ttu_regs->refcyc_per_req_delivery_pre_cur0 =
(unsigned int) (refcyc_per_req_delivery_pre_cur0 * dml_pow(2, 10));
disp_ttu_regs->refcyc_per_req_delivery_cur0 = (unsigned int) (refcyc_per_req_delivery_cur0
* dml_pow(2, 10));
disp_ttu_regs->refcyc_per_req_delivery_pre_cur1 =
(unsigned int) (refcyc_per_req_delivery_pre_cur1 * dml_pow(2, 10));
disp_ttu_regs->refcyc_per_req_delivery_cur1 = (unsigned int) (refcyc_per_req_delivery_cur1
* dml_pow(2, 10));
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);
}
void dml20v2_rq_dlg_get_dlg_reg(struct display_mode_lib *mode_lib,
display_dlg_regs_st *dlg_regs,
display_ttu_regs_st *ttu_regs,
display_e2e_pipe_params_st *e2e_pipe_param,
const unsigned int num_pipes,
const unsigned int pipe_idx,
const bool cstate_en,
const bool pstate_en,
const bool vm_en,
const bool ignore_viewport_pos,
const bool immediate_flip_support)
{
display_rq_params_st rq_param = {0};
display_dlg_sys_params_st dlg_sys_param = {0};
// Get watermark and Tex.
dlg_sys_param.t_urg_wm_us = get_wm_urgent(mode_lib, e2e_pipe_param, num_pipes);
dlg_sys_param.deepsleep_dcfclk_mhz = get_clk_dcf_deepsleep(mode_lib,
e2e_pipe_param,
num_pipes);
dlg_sys_param.t_extra_us = get_urgent_extra_latency(mode_lib, e2e_pipe_param, num_pipes);
dlg_sys_param.mem_trip_us = get_wm_memory_trip(mode_lib, e2e_pipe_param, num_pipes);
dlg_sys_param.t_mclk_wm_us = get_wm_dram_clock_change(mode_lib, e2e_pipe_param, num_pipes);
dlg_sys_param.t_sr_wm_us = get_wm_stutter_enter_exit(mode_lib, e2e_pipe_param, num_pipes);
dlg_sys_param.total_flip_bw = get_total_immediate_flip_bw(mode_lib,
e2e_pipe_param,
num_pipes);
dlg_sys_param.total_flip_bytes = get_total_immediate_flip_bytes(mode_lib,
e2e_pipe_param,
num_pipes);
dlg_sys_param.t_srx_delay_us = mode_lib->ip.dcfclk_cstate_latency
/ dlg_sys_param.deepsleep_dcfclk_mhz; // TODO: Deprecated
print__dlg_sys_params_st(mode_lib, dlg_sys_param);
// system parameter calculation done
dml_print("DML_DLG: Calculation for pipe[%d] start\n\n", pipe_idx);
dml20v2_rq_dlg_get_rq_params(mode_lib, &rq_param, e2e_pipe_param[pipe_idx].pipe.src);
dml20v2_rq_dlg_get_dlg_params(mode_lib,
e2e_pipe_param,
num_pipes,
pipe_idx,
dlg_regs,
ttu_regs,
rq_param.dlg,
dlg_sys_param,
cstate_en,
pstate_en);
dml_print("DML_DLG: Calculation for pipe[%d] end\n", pipe_idx);
}
static void calculate_ttu_cursor(struct display_mode_lib *mode_lib,
double *refcyc_per_req_delivery_pre_cur,
double *refcyc_per_req_delivery_cur,
double refclk_freq_in_mhz,
double ref_freq_to_pix_freq,
double hscale_pixel_rate_l,
double hscl_ratio,
double vratio_pre_l,
double vratio_l,
unsigned int cur_width,
enum cursor_bpp cur_bpp)
{
unsigned int cur_src_width = cur_width;
unsigned int cur_req_size = 0;
unsigned int cur_req_width = 0;
double cur_width_ub = 0.0;
double cur_req_per_width = 0.0;
double hactive_cur = 0.0;
ASSERT(cur_src_width <= 256);
*refcyc_per_req_delivery_pre_cur = 0.0;
*refcyc_per_req_delivery_cur = 0.0;
if (cur_src_width > 0) {
unsigned int cur_bit_per_pixel = 0;
if (cur_bpp == dm_cur_2bit) {
cur_req_size = 64; // byte
cur_bit_per_pixel = 2;
} else { // 32bit
cur_bit_per_pixel = 32;
if (cur_src_width >= 1 && cur_src_width <= 16)
cur_req_size = 64;
else if (cur_src_width >= 17 && cur_src_width <= 31)
cur_req_size = 128;
else
cur_req_size = 256;
}
cur_req_width = (double) cur_req_size / ((double) cur_bit_per_pixel / 8.0);
cur_width_ub = dml_ceil((double) cur_src_width / (double) cur_req_width, 1)
* (double) cur_req_width;
cur_req_per_width = cur_width_ub / (double) cur_req_width;
hactive_cur = (double) cur_src_width / hscl_ratio; // FIXME: oswin to think about what to do for cursor
if (vratio_pre_l <= 1.0) {
*refcyc_per_req_delivery_pre_cur = hactive_cur * ref_freq_to_pix_freq
/ (double) cur_req_per_width;
} else {
*refcyc_per_req_delivery_pre_cur = (double) refclk_freq_in_mhz
* (double) cur_src_width / hscale_pixel_rate_l
/ (double) cur_req_per_width;
}
ASSERT(*refcyc_per_req_delivery_pre_cur < dml_pow(2, 13));
if (vratio_l <= 1.0) {
*refcyc_per_req_delivery_cur = hactive_cur * ref_freq_to_pix_freq
/ (double) cur_req_per_width;
} else {
*refcyc_per_req_delivery_cur = (double) refclk_freq_in_mhz
* (double) cur_src_width / hscale_pixel_rate_l
/ (double) cur_req_per_width;
}
dml_print("DML_DLG: %s: cur_req_width = %d\n",
__func__,
cur_req_width);
dml_print("DML_DLG: %s: cur_width_ub = %3.2f\n",
__func__,
cur_width_ub);
dml_print("DML_DLG: %s: cur_req_per_width = %3.2f\n",
__func__,
cur_req_per_width);
dml_print("DML_DLG: %s: hactive_cur = %3.2f\n",
__func__,
hactive_cur);
dml_print("DML_DLG: %s: refcyc_per_req_delivery_pre_cur = %3.2f\n",
__func__,
*refcyc_per_req_delivery_pre_cur);
dml_print("DML_DLG: %s: refcyc_per_req_delivery_cur = %3.2f\n",
__func__,
*refcyc_per_req_delivery_cur);
ASSERT(*refcyc_per_req_delivery_cur < dml_pow(2, 13));
}
}
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