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PM / devfreq: rockchip_dmc: Add SYS_STATUS_CIF0/1 system status support

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Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
Change-Id: Ie683ed0cc49b21ec95765396a73e2e7a3f7cbb04
This commit is contained in:
Finley Xiao
2021-03-15 09:38:47 +08:00
committed by Tao Huang
parent 241b780cac
commit c472f79a09
1 changed files with 22 additions and 8 deletions
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30
drivers/devfreq/rockchip_dmc.c
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@@ -180,6 +180,18 @@ static struct pm_qos_request pm_qos;
static DECLARE_RWSEM(rockchip_dmcfreq_sem);
static inline unsigned long is_dualview(unsigned long status)
{
return (status & SYS_STATUS_LCDC0) && (status & SYS_STATUS_LCDC1);
}
static inline unsigned long is_isp(unsigned long status)
{
return (status & SYS_STATUS_ISP) ||
(status & SYS_STATUS_CIF0) ||
(status & SYS_STATUS_CIF1);
}
void rockchip_dmcfreq_lock(void)
{
down_read(&rockchip_dmcfreq_sem);
@@ -1952,6 +1964,7 @@ static int rockchip_get_system_status_rate(struct device_node *np,
{
const struct property *prop;
unsigned int status = 0, freq = 0;
unsigned long temp_rate = 0;
int count, i;
prop = of_find_property(np, porp_name, NULL);
@@ -2008,7 +2021,11 @@ static int rockchip_get_system_status_rate(struct device_node *np,
dmcfreq->boost_rate = freq * 1000;
break;
case SYS_STATUS_ISP:
dmcfreq->isp_rate = freq * 1000;
case SYS_STATUS_CIF0:
case SYS_STATUS_CIF1:
temp_rate = freq * 1000;
if (dmcfreq->isp_rate < temp_rate)
dmcfreq->isp_rate = temp_rate;
break;
case SYS_STATUS_LOW_POWER:
dmcfreq->low_power_rate = freq * 1000;
@@ -2047,20 +2064,17 @@ static int rockchip_dmcfreq_system_status_notifier(struct notifier_block *nb,
unsigned int refresh = false;
bool is_fixed = false;
if (dmcfreq->dualview_rate && dmcfreq->isp_rate &&
(status & SYS_STATUS_ISP) &&
(status & SYS_STATUS_LCDC0) &&
(status & SYS_STATUS_LCDC1))
if (dmcfreq->dualview_rate && is_dualview(status) &&
dmcfreq->isp_rate && is_isp(status))
return NOTIFY_OK;
if (dmcfreq->dualview_rate && (status & SYS_STATUS_LCDC0) &&
(status & SYS_STATUS_LCDC1)) {
if (dmcfreq->dualview_rate && is_dualview(status)) {
target_rate = dmcfreq->dualview_rate;
is_fixed = true;
goto next;
}
if (dmcfreq->isp_rate && (status & SYS_STATUS_ISP)) {
if (dmcfreq->isp_rate && is_isp(status)) {
target_rate = dmcfreq->isp_rate;
is_fixed = true;
goto next;