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ddrfreq: fix new_freq=0 when the current load of ddr is between high_load and low_load

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Signed-off-by: Xiao Feng <xf@rock-chips.com>
This commit is contained in:
Xiao Feng
2015-05-13 19:27:56 +08:00
committed by cl
parent fabdd7f607
commit a755bf1653
1 changed files with 4 additions and 1 deletions
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5
arch/arm/mach-rockchip/ddr_freq.c
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@@ -198,7 +198,8 @@ static void ddrfreq_mode(bool auto_self_refresh, unsigned long target_rate, char
unsigned long req_freq_by_vop(unsigned long bandwidth)
{
if (time_after(jiffies, vop_bandwidth_update_jiffies+down_rate_delay_ms))
if (time_after(jiffies, vop_bandwidth_update_jiffies +
msecs_to_jiffies(down_rate_delay_ms)))
return 0;
if (bandwidth >= 5000){
@@ -272,6 +273,8 @@ static void ddr_auto_freq(void)
vop_req_freq = req_freq_by_vop(vop_bandwidth);
new_freq = max(vop_req_freq, new_freq);
if (new_freq == 0)
return;
new_freq = auto_freq_round(new_freq);