linux-kernel - [PATCH RFT 18/20] media: venus: pm_helpers: Commonize getting clocks and GenPDs

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Message-Id: <20230911-topic-mars-v1-18-a7d38bf87bdb@linaro.org>
Date:   Mon, 11 Sep 2023 17:10:32 +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 18/20] media: venus: pm_helpers: Commonize getting
 clocks and GenPDs

As has been the story with the past few commits, much of the resource
acquisition logic is totally identical between different generations
and there's no good reason to invent a new function for each one.

Commonize core_get() and rename it to venus_get_resources() to be more
meaningful.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/venus/core.c       | 8 +++-----
 drivers/media/platform/qcom/venus/pm_helpers.c | 5 +----
 drivers/media/platform/qcom/venus/pm_helpers.h | 3 +--
 3 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 42bfcef9449a..e8a16355d39e 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -337,11 +337,9 @@ static int venus_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	if (core->pm_ops->core_get) {
-		ret = core->pm_ops->core_get(core);
-		if (ret)
-			return ret;
-	}
+	ret = venus_get_resources(core);
+	if (ret)
+		return ret;
 
 	ret = dma_set_mask_and_coherent(dev, res->dma_mask);
 	if (ret)
diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index 741b29cc76c9..6e282a69c7c5 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -326,7 +326,6 @@ static int load_scale_v1(struct venus_inst *inst)
 }
 
 static const struct venus_pm_ops pm_ops_v1 = {
-	.core_get = venus_clks_get,
 	.load_scale = load_scale_v1,
 };
 
@@ -395,7 +394,6 @@ static int venc_power_v3(struct device *dev, int on)
 }
 
 static const struct venus_pm_ops pm_ops_v3 = {
-	.core_get = venus_clks_get,
 	.vdec_get = vdec_get_v3,
 	.vdec_power = vdec_power_v3,
 	.venc_get = venc_get_v3,
@@ -926,7 +924,7 @@ static int core_resets_reset(struct venus_core *core)
 	return reset_control_bulk_deassert(res->resets_num, core->resets);
 }
 
-static int core_get_v4(struct venus_core *core)
+int venus_get_resources(struct venus_core *core)
 {
 	struct device *dev = core->dev;
 	const struct venus_resources *res = core->res;
@@ -1114,7 +1112,6 @@ static int load_scale_v4(struct venus_inst *inst)
 }
 
 static const struct venus_pm_ops pm_ops_v4 = {
-	.core_get = core_get_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 3014b39aa6e3..7a55a55029f3 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.h
+++ b/drivers/media/platform/qcom/venus/pm_helpers.h
@@ -10,8 +10,6 @@ struct venus_core;
 #define POWER_OFF	0
 
 struct venus_pm_ops {
-	int (*core_get)(struct venus_core *core);
-
 	int (*vdec_get)(struct device *dev);
 	void (*vdec_put)(struct device *dev);
 	int (*vdec_power)(struct device *dev, int on);
@@ -28,6 +26,7 @@ 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);
 void vcodec_domains_put(struct venus_core *core);
+int venus_get_resources(struct venus_core *core);
 
 static inline int venus_pm_load_scale(struct venus_inst *inst)
 {

-- 
2.42.0