linux-kernel - [PATCH v2 18/18] media: venus: hfi_venus: Restrict writing SCIACMDARG3 to Venus V1/V2

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Message-Id: <20230228-topic-venus-v2-18-d95d14949c79@linaro.org>
Date:   Thu, 04 May 2023 10:01:14 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
        Vikash Garodia <quic_vgarodia@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Dikshita Agarwal <dikshita@....qualcomm.com>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>,
        Hans Verkuil <hans.verkuil@...co.com>,
        Dikshita Agarwal <quic_dikshita@...cinc.com>
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vikash Garodia <quic_vgarodia@...cinc.com>
Subject: [PATCH v2 18/18] media: venus: hfi_venus: Restrict writing
 SCIACMDARG3 to Venus V1/V2

This write was last present on msm-3.10, which means before HFI3XX
platforms were introduced. Guard it with an appropriate if condition.

Does not seem to have any adverse effects on at least SM8250.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/venus/hfi_venus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index d6df99a921bb..6405771568d1 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -462,7 +462,8 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
 	}
 
 	writel(mask_val, wrapper_base + WRAPPER_INTR_MASK);
-	writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
+	if (IS_V1(hdev->core))
+		writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
 
 	writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT);
 	while (!ctrl_status && count < max_tries) {

-- 
2.40.1