From: Randy Li <ayaka@soulik.info> To: linux-rockchip@lists.infradead.org Cc: Randy Li <ayaka@soulik.info>, mturquette@baylibre.com, sboyd@kernel.org, heiko@sntech.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, ulf.hansson@linaro.org, zhangqing@rock-chips.com, geert+renesas@glider.be, Caesar Wang <wxt@rock-chips.com>, Jeffy Chen <jeffy.chen@rock-chips.com> Subject: [PATCH 3/3] soc: rockchip: power-domain: export idle request Date: Sun, 6 Jan 2019 01:48:37 +0800 [thread overview] Message-ID: <20190105174837.19378-4-ayaka@soulik.info> (raw) In-Reply-To: <20190105174837.19378-1-ayaka@soulik.info> We need to put the power status of HEVC IP into IDLE unless we can't reset that IP or the SoC would crash down. rockchip_pmu_idle_request(dev, true)---> enter idle rockchip_pmu_idle_request(dev, false)---> exit idle Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Randy Li <ayaka@soulik.info> --- drivers/soc/rockchip/pm_domains.c | 23 +++++++++++++++++++++++ include/soc/rockchip/pm_domains.h | 18 ++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 include/soc/rockchip/pm_domains.h diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 847c7c482b26..3e2e252cb64b 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -199,6 +199,29 @@ static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd, return 0; } +int rockchip_pmu_idle_request(struct device *dev, bool idle) +{ + struct generic_pm_domain *genpd; + struct rockchip_pm_domain *pd; + int ret; + + if (IS_ERR_OR_NULL(dev)) + return -EINVAL; + + if (IS_ERR_OR_NULL(dev->pm_domain)) + return -EINVAL; + + genpd = pd_to_genpd(dev->pm_domain); + pd = to_rockchip_pd(genpd); + + mutex_lock(&pd->pmu->mutex); + ret = rockchip_pmu_set_idle_request(pd, idle); + mutex_unlock(&pd->pmu->mutex); + + return ret; +} +EXPORT_SYMBOL(rockchip_pmu_idle_request); + static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd) { int i; diff --git a/include/soc/rockchip/pm_domains.h b/include/soc/rockchip/pm_domains.h new file mode 100644 index 000000000000..690db6118636 --- /dev/null +++ b/include/soc/rockchip/pm_domains.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SOC_ROCKCHIP_PM_DOMAINS_H +#define __SOC_ROCKCHIP_PM_DOMAINS_H + +#include <linux/errno.h> + +struct device; + +#ifdef CONFIG_ROCKCHIP_PM_DOMAINS +int rockchip_pmu_idle_request(struct device *dev, bool idle); +#else +static inline int rockchip_pmu_idle_request(struct device *dev, bool idle) +{ + return -ENOTSUPP; +} +#endif + +#endif -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Randy Li <ayaka@soulik.info> To: linux-rockchip@lists.infradead.org Cc: ulf.hansson@linaro.org, zhangqing@rock-chips.com, heiko@sntech.de, geert+renesas@glider.be, sboyd@kernel.org, mturquette@baylibre.com, Randy Li <ayaka@soulik.info>, linux-kernel@vger.kernel.org, Jeffy Chen <jeffy.chen@rock-chips.com>, linux-arm-kernel@lists.infradead.org, Caesar Wang <wxt@rock-chips.com> Subject: [PATCH 3/3] soc: rockchip: power-domain: export idle request Date: Sun, 6 Jan 2019 01:48:37 +0800 [thread overview] Message-ID: <20190105174837.19378-4-ayaka@soulik.info> (raw) In-Reply-To: <20190105174837.19378-1-ayaka@soulik.info> We need to put the power status of HEVC IP into IDLE unless we can't reset that IP or the SoC would crash down. rockchip_pmu_idle_request(dev, true)---> enter idle rockchip_pmu_idle_request(dev, false)---> exit idle Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Randy Li <ayaka@soulik.info> --- drivers/soc/rockchip/pm_domains.c | 23 +++++++++++++++++++++++ include/soc/rockchip/pm_domains.h | 18 ++++++++++++++++++ 2 files changed, 41 insertions(+) create mode 100644 include/soc/rockchip/pm_domains.h diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 847c7c482b26..3e2e252cb64b 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -199,6 +199,29 @@ static int rockchip_pmu_set_idle_request(struct rockchip_pm_domain *pd, return 0; } +int rockchip_pmu_idle_request(struct device *dev, bool idle) +{ + struct generic_pm_domain *genpd; + struct rockchip_pm_domain *pd; + int ret; + + if (IS_ERR_OR_NULL(dev)) + return -EINVAL; + + if (IS_ERR_OR_NULL(dev->pm_domain)) + return -EINVAL; + + genpd = pd_to_genpd(dev->pm_domain); + pd = to_rockchip_pd(genpd); + + mutex_lock(&pd->pmu->mutex); + ret = rockchip_pmu_set_idle_request(pd, idle); + mutex_unlock(&pd->pmu->mutex); + + return ret; +} +EXPORT_SYMBOL(rockchip_pmu_idle_request); + static int rockchip_pmu_save_qos(struct rockchip_pm_domain *pd) { int i; diff --git a/include/soc/rockchip/pm_domains.h b/include/soc/rockchip/pm_domains.h new file mode 100644 index 000000000000..690db6118636 --- /dev/null +++ b/include/soc/rockchip/pm_domains.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __SOC_ROCKCHIP_PM_DOMAINS_H +#define __SOC_ROCKCHIP_PM_DOMAINS_H + +#include <linux/errno.h> + +struct device; + +#ifdef CONFIG_ROCKCHIP_PM_DOMAINS +int rockchip_pmu_idle_request(struct device *dev, bool idle); +#else +static inline int rockchip_pmu_idle_request(struct device *dev, bool idle) +{ + return -ENOTSUPP; +} +#endif + +#endif -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-01-05 17:49 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-01-05 17:48 [PATCH 0/3] The basic patches for rockchip video codec Randy Li 2019-01-05 17:48 ` Randy Li 2019-01-05 17:48 ` [PATCH 1/3] clk: rockchip: add video clk parents for rk3399 Randy Li 2019-01-05 17:48 ` Randy Li 2019-01-05 17:48 ` [PATCH 2/3] arm64: dts: rockchip: add power domain to iommu rk3399 Randy Li 2019-01-05 17:48 ` Randy Li 2019-01-05 17:48 ` Randy Li [this message] 2019-01-05 17:48 ` [PATCH 3/3] soc: rockchip: power-domain: export idle request Randy Li
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