linux-kernel - [PATCH v2 5/8] venus: pm_helpers: Check instance state when calculate instance frequency

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Date:   Wed, 11 Nov 2020 16:37:52 +0200
From:   Stanimir Varbanov <stanimir.varbanov@...aro.org>
To:     linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Vikash Garodia <vgarodia@...eaurora.org>,
        Alexandre Courbot <acourbot@...omium.org>,
        Fritz Koenig <frkoenig@...omium.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: [PATCH v2 5/8] venus: pm_helpers: Check instance state when calculate instance frequency

Skip calculating instance frequency if it is not in running state.

Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>
---
 drivers/media/platform/qcom/venus/pm_helpers.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/pm_helpers.c b/drivers/media/platform/qcom/venus/pm_helpers.c
index ca99908ca3d3..cc84dc5e371b 100644
--- a/drivers/media/platform/qcom/venus/pm_helpers.c
+++ b/drivers/media/platform/qcom/venus/pm_helpers.c
@@ -940,6 +940,9 @@ static unsigned long calculate_inst_freq(struct venus_inst *inst,
 
 	mbs_per_sec = load_per_instance(inst);
 
+	if (inst->state != INST_START)
+		return 0;
+
 	vpp_freq = mbs_per_sec * inst->clk_data.codec_freq_data->vpp_freq;
 	/* 21 / 20 is overhead factor */
 	vpp_freq += vpp_freq / 20;
-- 
2.17.1