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Message-Id: <20230911-topic-mars-v1-14-a7d38bf87bdb@linaro.org>
Date:   Mon, 11 Sep 2023 17:10:28 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     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>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>,
        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,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH RFT 14/20] media: venus: pm_helpers: Commonize core_power

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 bd624e965a92..0ae118257296 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -480,18 +480,15 @@ 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)
@@ -506,8 +503,7 @@ 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;
 }
@@ -515,7 +511,6 @@ 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);
@@ -526,11 +521,9 @@ 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 816d16f9153a..ddaa9944fa44 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,
@@ -996,7 +982,7 @@ 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[0];
@@ -1143,7 +1129,6 @@ 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)
 {

-- 
2.42.0

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