andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

rockchip: rk3399: Remove dram dfs optimization 

This removes an optimization to not recalculate parameters if the
frequency index being switched to hold the next frequency. This is
because some registers do not have a copy per frequency index, so this
optimization might be causing problems.

Signed-off-by: Derek Basehore <dbasehore@chromium.org>
This commit is contained in:
Derek Basehore 2017-01-31 16:37:01 -08:00 committed by Xing Zheng
parent 951752dd6c
commit d8484b1e57
1 changed files with 0 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
plat/rockchip/rk3399/drivers/dram/dfs.c
View File

@ -1980,8 +1980,6 @@ static uint32_t prepare_ddr_timing(uint32_t mhz)
gen_rk3399_set_odt(1);
index = (rk3399_dram_status.current_index + 1) & 0x1;
if (rk3399_dram_status.index_freq[index] == mhz)
return index;
/*
* checking if having available gate traiing timing for