mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-29 23:53:32 +00:00
3446d7e988
For called when PM do resume/suspend. Tested-by: Bhushan Shah <bshah@kde.org> Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-8-yuq825@gmail.com
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR MIT
|
|
/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */
|
|
|
|
#include <linux/io.h>
|
|
#include <linux/device.h>
|
|
|
|
#include "lima_device.h"
|
|
#include "lima_dlbu.h"
|
|
#include "lima_vm.h"
|
|
#include "lima_regs.h"
|
|
|
|
#define dlbu_write(reg, data) writel(data, ip->iomem + reg)
|
|
#define dlbu_read(reg) readl(ip->iomem + reg)
|
|
|
|
void lima_dlbu_enable(struct lima_device *dev, int num_pp)
|
|
{
|
|
struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
|
|
struct lima_ip *ip = dev->ip + lima_ip_dlbu;
|
|
int i, mask = 0;
|
|
|
|
for (i = 0; i < num_pp; i++) {
|
|
struct lima_ip *pp = pipe->processor[i];
|
|
|
|
mask |= 1 << (pp->id - lima_ip_pp0);
|
|
}
|
|
|
|
dlbu_write(LIMA_DLBU_PP_ENABLE_MASK, mask);
|
|
}
|
|
|
|
void lima_dlbu_disable(struct lima_device *dev)
|
|
{
|
|
struct lima_ip *ip = dev->ip + lima_ip_dlbu;
|
|
|
|
dlbu_write(LIMA_DLBU_PP_ENABLE_MASK, 0);
|
|
}
|
|
|
|
void lima_dlbu_set_reg(struct lima_ip *ip, u32 *reg)
|
|
{
|
|
dlbu_write(LIMA_DLBU_TLLIST_VBASEADDR, reg[0]);
|
|
dlbu_write(LIMA_DLBU_FB_DIM, reg[1]);
|
|
dlbu_write(LIMA_DLBU_TLLIST_CONF, reg[2]);
|
|
dlbu_write(LIMA_DLBU_START_TILE_POS, reg[3]);
|
|
}
|
|
|
|
static int lima_dlbu_hw_init(struct lima_ip *ip)
|
|
{
|
|
struct lima_device *dev = ip->dev;
|
|
|
|
dlbu_write(LIMA_DLBU_MASTER_TLLIST_PHYS_ADDR, dev->dlbu_dma | 1);
|
|
dlbu_write(LIMA_DLBU_MASTER_TLLIST_VADDR, LIMA_VA_RESERVE_DLBU);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int lima_dlbu_resume(struct lima_ip *ip)
|
|
{
|
|
return lima_dlbu_hw_init(ip);
|
|
}
|
|
|
|
void lima_dlbu_suspend(struct lima_ip *ip)
|
|
{
|
|
|
|
}
|
|
|
|
int lima_dlbu_init(struct lima_ip *ip)
|
|
{
|
|
return lima_dlbu_hw_init(ip);
|
|
}
|
|
|
|
void lima_dlbu_fini(struct lima_ip *ip)
|
|
{
|
|
|
|
}
|