linux-kernel - [PATCH] power-domain: rockchip: fix up the PMU_GPU_PWRDW/UP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 26 Sep 2016 15:25:30 +0800
From:   Elaine Zhang <zhangqing@...k-chips.com>
To:     heiko@...ech.de, wxt@...k-chips.com
Cc:     huangtao@...k-chips.com, xxx@...k-chips.com, jay.xu@...k-chips.com,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Elaine Zhang <zhangqing@...k-chips.com>
Subject: [PATCH] power-domain: rockchip: fix up the PMU_GPU_PWRDW/UP_CNT for RK3399

According to the advice of the IC,
setting the PMU_GPU_PWRDW/PWRUP_CNT regs 6 cycel(250ns) for RK3399 SOC.

Signed-off-by: Elaine Zhang <zhangqing@...k-chips.com>
---
 drivers/soc/rockchip/pm_domains.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c
index 7acd1517dd37..247dd6f6994a 100644
--- a/drivers/soc/rockchip/pm_domains.c
+++ b/drivers/soc/rockchip/pm_domains.c
@@ -722,11 +722,11 @@ static const struct rockchip_pmu_info rk3399_pmu = {
 	.idle_offset = 0x64,
 	.ack_offset = 0x68,
 
-	.core_pwrcnt_offset = 0x9c,
-	.gpu_pwrcnt_offset = 0xa4,
+	.core_pwrcnt_offset = 0xac,
+	.gpu_pwrcnt_offset = 0xac,
 
-	.core_power_transition_time = 24,
-	.gpu_power_transition_time = 24,
+	.core_power_transition_time = 6, /* 0.25us */
+	.gpu_power_transition_time = 6, /* 0.25us */
 
 	.num_domains = ARRAY_SIZE(rk3399_pm_domains),
 	.domain_info = rk3399_pm_domains,
-- 
1.9.1