android13/kernel-5.10/drivers/video/rockchip/rga3/rga_policy.c

371 lines
8.7 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) Rockchip Electronics Co., Ltd.
*
* Author: Huang Lee <Putin.li@rock-chips.com>
*/
#define pr_fmt(fmt) "rga_policy: " fmt
#include "rga_job.h"
#include "rga_common.h"
#include "rga_hw_config.h"
#include "rga_debugger.h"
#define GET_GCD(n1, n2) \
({ \
int i; \
int gcd = 0; \
for (i = 1; i <= (n1) && i <= (n2); i++) { \
if ((n1) % i == 0 && (n2) % i == 0) \
gcd = i; \
} \
gcd; \
})
#define GET_LCM(n1, n2, gcd) (((n1) * (n2)) / gcd)
static int rga_set_feature(struct rga_req *rga_base)
{
int feature = 0;
if (rga_base->render_mode == COLOR_FILL_MODE)
feature |= RGA_COLOR_FILL;
if (rga_base->render_mode == COLOR_PALETTE_MODE)
feature |= RGA_COLOR_PALETTE;
if (rga_base->color_key_max > 0 || rga_base->color_key_min > 0)
feature |= RGA_COLOR_KEY;
if ((rga_base->alpha_rop_flag >> 1) & 1)
feature |= RGA_ROP_CALCULATE;
if ((rga_base->alpha_rop_flag >> 8) & 1)
feature |= RGA_NN_QUANTIZE;
return feature;
}
static bool rga_check_resolution(const struct rga_rect_range *range, int width, int height)
{
if (width > range->max.width || height > range->max.height)
return false;
if (width < range->min.width || height < range->min.height)
return false;
return true;
}
static bool rga_check_format(const struct rga_hw_data *data,
int rd_mode, int format, int win_num)
{
int i;
bool matched = false;
if (rd_mode == RGA_RASTER_MODE) {
for (i = 0; i < data->win[win_num].num_of_raster_formats; i++) {
if (format == data->win[win_num].raster_formats[i]) {
matched = true;
break;
}
}
} else if (rd_mode == RGA_FBC_MODE) {
for (i = 0; i < data->win[win_num].num_of_fbc_formats; i++) {
if (format == data->win[win_num].fbc_formats[i]) {
matched = true;
break;
}
}
} else if (rd_mode == RGA_TILE_MODE) {
for (i = 0; i < data->win[win_num].num_of_tile_formats; i++) {
if (format == data->win[win_num].tile_formats[i]) {
matched = true;
break;
}
}
}
return matched;
}
static bool rga_check_align(uint32_t byte_stride_align, uint32_t format, uint16_t w_stride)
{
int bit_stride, pixel_stride, align, gcd;
pixel_stride = rga_get_pixel_stride_from_format(format);
if (pixel_stride <= 0)
return false;
bit_stride = pixel_stride * w_stride;
if (bit_stride % (byte_stride_align * 8) == 0)
return true;
if (DEBUGGER_EN(MSG)) {
gcd = GET_GCD(pixel_stride, byte_stride_align * 8);
align = GET_LCM(pixel_stride, byte_stride_align * 8, gcd) / pixel_stride;
pr_info("unsupported width stride %d, 0x%x should be %d aligned!",
w_stride, format, align);
}
return false;
}
static bool rga_check_src0(const struct rga_hw_data *data,
struct rga_img_info_t *src0)
{
if (!rga_check_resolution(&data->input_range, src0->act_w, src0->act_h))
return false;
if (data == &rga3_data &&
!rga_check_resolution(&data->input_range,
src0->act_w + src0->x_offset,
src0->act_h + src0->y_offset))
return false;
if (!rga_check_format(data, src0->rd_mode, src0->format, 0))
return false;
if (!rga_check_align(data->byte_stride_align, src0->format, src0->vir_w))
return false;
return true;
}
static bool rga_check_src1(const struct rga_hw_data *data,
struct rga_img_info_t *src1)
{
if (!rga_check_resolution(&data->input_range, src1->act_w, src1->act_h))
return false;
if (data == &rga3_data &&
!rga_check_resolution(&data->input_range,
src1->act_w + src1->x_offset,
src1->act_h + src1->y_offset))
return false;
if (!rga_check_format(data, src1->rd_mode, src1->format, 1))
return false;
if (!rga_check_align(data->byte_stride_align, src1->format, src1->vir_w))
return false;
return true;
}
static bool rga_check_dst(const struct rga_hw_data *data,
struct rga_img_info_t *dst)
{
if (!rga_check_resolution(&data->output_range, dst->act_w, dst->act_h))
return false;
if (data == &rga3_data &&
!rga_check_resolution(&data->output_range,
dst->act_w + dst->x_offset,
dst->act_h + dst->y_offset))
return false;
if (!rga_check_format(data, dst->rd_mode, dst->format, 2))
return false;
if (!rga_check_align(data->byte_stride_align, dst->format, dst->vir_w))
return false;
return true;
}
static bool rga_check_scale(const struct rga_hw_data *data,
struct rga_req *rga_base)
{
struct rga_img_info_t *src0 = &rga_base->src;
struct rga_img_info_t *dst = &rga_base->dst;
int sw, sh;
int dw, dh;
sw = src0->act_w;
sh = src0->act_h;
if ((rga_base->sina == 65536 && rga_base->cosa == 0)
|| (rga_base->sina == -65536 && rga_base->cosa == 0)) {
dw = dst->act_h;
dh = dst->act_w;
} else {
dw = dst->act_w;
dh = dst->act_h;
}
if (sw > dw) {
if ((sw >> data->max_downscale_factor) > dw)
return false;
} else if (sw < dw) {
if ((sw << data->max_upscale_factor) < dw)
return false;
}
if (sh > dh) {
if ((sh >> data->max_downscale_factor) > dh)
return false;
} else if (sh < dh) {
if ((sh << data->max_upscale_factor) < dh)
return false;
}
return true;
}
int rga_job_assign(struct rga_job *job)
{
struct rga_img_info_t *src0 = &job->rga_command_base.src;
struct rga_img_info_t *src1 = &job->rga_command_base.pat;
struct rga_img_info_t *dst = &job->rga_command_base.dst;
struct rga_req *rga_base = &job->rga_command_base;
const struct rga_hw_data *data;
struct rga_scheduler_t *scheduler = NULL;
int feature;
int core = RGA_NONE_CORE;
int optional_cores = RGA_NONE_CORE;
int specified_cores = RGA_NONE_CORE;
int i;
int min_of_job_count = -1;
unsigned long flags;
/* assigned by userspace */
if (rga_base->core > RGA_NONE_CORE) {
if (rga_base->core > RGA_CORE_MASK) {
pr_err("invalid setting core by user\n");
goto finish;
} else if (rga_base->core & RGA_CORE_MASK)
specified_cores = rga_base->core;
}
feature = rga_set_feature(rga_base);
/* function */
for (i = 0; i < rga_drvdata->num_of_scheduler; i++) {
data = rga_drvdata->scheduler[i]->data;
scheduler = rga_drvdata->scheduler[i];
if ((specified_cores != RGA_NONE_CORE) &&
(!(scheduler->core & specified_cores)))
continue;
if (DEBUGGER_EN(MSG))
pr_info("start policy on core = %d", scheduler->core);
if (scheduler->data->mmu == RGA_MMU &&
job->flags & RGA_JOB_UNSUPPORT_RGA_MMU) {
if (DEBUGGER_EN(MSG))
pr_info("RGA2 only support under 4G memory!\n");
continue;
}
if (feature > 0) {
if (!(feature & data->feature)) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, break on feature",
scheduler->core);
continue;
}
}
/* only colorfill need single win (colorpalette?) */
if (!(feature & 1)) {
if (src1->yrgb_addr > 0) {
if ((!(src0->rd_mode & data->win[0].rd_mode)) ||
(!(src1->rd_mode & data->win[1].rd_mode)) ||
(!(dst->rd_mode & data->win[2].rd_mode))) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, ABC break on rd_mode",
scheduler->core);
continue;
}
} else {
if ((!(src0->rd_mode & data->win[0].rd_mode)) ||
(!(dst->rd_mode & data->win[2].rd_mode))) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, ABB break on rd_mode",
scheduler->core);
continue;
}
}
if (!rga_check_scale(data, rga_base)) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, break on rga_check_scale",
scheduler->core);
continue;
}
if (!rga_check_src0(data, src0)) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, break on rga_check_src0",
scheduler->core);
continue;
}
if (src1->yrgb_addr > 0) {
if (!rga_check_src1(data, src1)) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, break on rga_check_src1",
scheduler->core);
continue;
}
}
}
if (!rga_check_dst(data, dst)) {
if (DEBUGGER_EN(MSG))
pr_info("core = %d, break on rga_check_dst",
scheduler->core);
continue;
}
optional_cores |= scheduler->core;
}
if (DEBUGGER_EN(MSG))
pr_info("optional_cores = %d\n", optional_cores);
if (optional_cores == 0) {
core = -1;
pr_err("invalid function policy\n");
goto finish;
}
for (i = 0; i < rga_drvdata->num_of_scheduler; i++) {
scheduler = rga_drvdata->scheduler[i];
if (optional_cores & scheduler->core) {
spin_lock_irqsave(&scheduler->irq_lock, flags);
if (scheduler->running_job == NULL) {
core = scheduler->core;
job->scheduler = scheduler;
spin_unlock_irqrestore(&scheduler->irq_lock,
flags);
break;
} else {
if ((min_of_job_count == -1) ||
(min_of_job_count > scheduler->job_count)) {
min_of_job_count = scheduler->job_count;
core = scheduler->core;
job->scheduler = scheduler;
}
}
spin_unlock_irqrestore(&scheduler->irq_lock, flags);
}
}
/* TODO: need consider full load */
finish:
if (DEBUGGER_EN(MSG))
pr_info("assign core: %d\n", core);
return core;
}