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Message-ID: <f1bd624e-5427-e1b0-588b-bdfff238f600@quicinc.com>
Date: Fri, 5 Apr 2024 13:42:28 +0530
From: Dikshita Agarwal <quic_dikshita@...cinc.com>
To: Konrad Dybcio <konrad.dybcio@...aro.org>,
Stanimir Varbanov
<stanimir.k.varbanov@...il.com>,
Vikash Garodia <quic_vgarodia@...cinc.com>,
Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
Andy Gross
<agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
"Mauro Carvalho
Chehab" <mchehab@...nel.org>,
Philipp Zabel <p.zabel@...gutronix.de>
CC: Marijn Suijten <marijn.suijten@...ainline.org>,
Stanimir Varbanov
<stanimir.varbanov@...aro.org>,
Mauro Carvalho Chehab
<mchehab+huawei@...nel.org>,
<linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 12/19] media: venus: pm_helpers: Commonize core_power
On 3/27/2024 11:38 PM, Konrad Dybcio wrote:
> core_power_v4 called with num_resets = 0 and core->pmdomains[0] == NULL
> does exactly the same thing as core_power_v1. Unify them!
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
> drivers/media/platform/qcom/venus/core.c | 21 +++++++--------------
> drivers/media/platform/qcom/venus/pm_helpers.c | 17 +----------------
> drivers/media/platform/qcom/venus/pm_helpers.h | 2 +-
> 3 files changed, 9 insertions(+), 31 deletions(-)
>
> diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
> index b10d083b8b17..6bbb8153797c 100644
> --- a/drivers/media/platform/qcom/venus/core.c
> +++ b/drivers/media/platform/qcom/venus/core.c
> @@ -477,18 +477,15 @@ static void venus_core_shutdown(struct platform_device *pdev)
> static __maybe_unused int venus_runtime_suspend(struct device *dev)
> {
> struct venus_core *core = dev_get_drvdata(dev);
> - const struct venus_pm_ops *pm_ops = core->pm_ops;
> int ret;
>
> ret = hfi_core_suspend(core);
> if (ret)
> return ret;
>
> - if (pm_ops->core_power) {
> - ret = pm_ops->core_power(core, POWER_OFF);
> - if (ret)
> - return ret;
> - }
> + ret = venus_core_power(core, POWER_OFF);
> + if (ret)
> + return ret;
>
> ret = icc_set_bw(core->cpucfg_path, 0, 0);
> if (ret)
> @@ -503,8 +500,7 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
> err_video_path:
> icc_set_bw(core->cpucfg_path, kbps_to_icc(1000), 0);
> err_cpucfg_path:
> - if (pm_ops->core_power)
> - pm_ops->core_power(core, POWER_ON);
> + venus_core_power(core, POWER_ON);
>
> return ret;
> }
> @@ -512,7 +508,6 @@ static __maybe_unused int venus_runtime_suspend(struct device *dev)
> static __maybe_unused int venus_runtime_resume(struct device *dev)
> {
> struct venus_core *core = dev_get_drvdata(dev);
> - const struct venus_pm_ops *pm_ops = core->pm_ops;
> int ret;
>
> ret = icc_set_bw(core->video_path, kbps_to_icc(20000), 0);
> @@ -523,11 +518,9 @@ static __maybe_unused int venus_runtime_resume(struct device *dev)
> if (ret)
> return ret;
>
> - if (pm_ops->core_power) {
> - ret = pm_ops->core_power(core, POWER_ON);
> - if (ret)
> - return ret;
> - }
> + ret = venus_core_power(core, POWER_ON);
> + if (ret)
> + return ret;
>
> return hfi_core_resume(core, false);
> }
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
> index ba63e6427eb9..3410039bb641 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.c
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.c
> @@ -322,22 +322,9 @@ static void core_put_v1(struct venus_core *core)
> {
> }
>
> -static int core_power_v1(struct venus_core *core, int on)
> -{
> - int ret = 0;
> -
> - if (on == POWER_ON)
> - ret = core_clks_enable(core);
> - else
> - core_clks_disable(core);
> -
> - return ret;
> -}
> -
> static const struct venus_pm_ops pm_ops_v1 = {
> .core_get = venus_clks_get,
> .core_put = core_put_v1,
> - .core_power = core_power_v1,
> .load_scale = load_scale_v1,
> };
>
> @@ -410,7 +397,6 @@ static int venc_power_v3(struct device *dev, int on)
> static const struct venus_pm_ops pm_ops_v3 = {
> .core_get = venus_clks_get,
> .core_put = core_put_v1,
> - .core_power = core_power_v1,
> .vdec_get = vdec_get_v3,
> .vdec_power = vdec_power_v3,
> .venc_get = venc_get_v3,
> @@ -990,7 +976,7 @@ static void core_put_v4(struct venus_core *core)
> vcodec_domains_put(core);
> }
>
> -static int core_power_v4(struct venus_core *core, int on)
> +int venus_core_power(struct venus_core *core, int on)
> {
> struct device *dev = core->dev;
> struct device *pmctrl = core->pmdomains ?
> @@ -1138,7 +1124,6 @@ static int load_scale_v4(struct venus_inst *inst)
> static const struct venus_pm_ops pm_ops_v4 = {
> .core_get = core_get_v4,
> .core_put = core_put_v4,
> - .core_power = core_power_v4,
> .vdec_get = vdec_get_v4,
> .vdec_put = vdec_put_v4,
> .vdec_power = vdec_power_v4,
> diff --git a/drivers/media/platform/qcom/venus/pm_helpers.h b/drivers/media/platform/qcom/venus/pm_helpers.h
> index a492c50c5543..77db940a265c 100644
> --- a/drivers/media/platform/qcom/venus/pm_helpers.h
> +++ b/drivers/media/platform/qcom/venus/pm_helpers.h
> @@ -12,7 +12,6 @@ struct venus_core;
> struct venus_pm_ops {
> int (*core_get)(struct venus_core *core);
> void (*core_put)(struct venus_core *core);
> - int (*core_power)(struct venus_core *core, int on);
>
> int (*vdec_get)(struct device *dev);
> void (*vdec_put)(struct device *dev);
> @@ -28,6 +27,7 @@ struct venus_pm_ops {
> };
>
> const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
> +int venus_core_power(struct venus_core *core, int on);
>
> static inline int venus_pm_load_scale(struct venus_inst *inst)
> {
>
Reviewed-by: Dikshita Agarwal <quic_dikshita@...cinc.com>
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