linux-kernel - [PATCH v3 1/3] media: venus: core: Set up secure memory ranges for SC7280

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Message-Id: <20231201-sc7280-venus-pas-v3-1-bc132dc5fc30@fairphone.com>
Date:   Fri, 01 Dec 2023 10:33:18 +0100
From:   Luca Weiss <luca.weiss@...rphone.com>
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>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        cros-qcom-dts-watchers@...omium.org,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v3 1/3] media: venus: core: Set up secure memory ranges for
 SC7280

Not all SC7280 devices ship with ChromeOS firmware. Other devices need
PAS for image authentication. That requires the predefined virtual
address ranges to be passed via scm calls. Define them to enable Venus
on non-CrOS SC7280 devices.

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Reviewed-by: Vikash Garodia <quic_vgarodia@...cinc.com>
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
 drivers/media/platform/qcom/venus/core.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index 9cffe975581b..a712dd4f02a5 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -881,6 +881,10 @@ static const struct venus_resources sc7280_res = {
 	.vmem_size = 0,
 	.vmem_addr = 0,
 	.dma_mask = 0xe0000000 - 1,
+	.cp_start = 0,
+	.cp_size = 0x25800000,
+	.cp_nonpixel_start = 0x1000000,
+	.cp_nonpixel_size = 0x24800000,
 	.fwname = "qcom/vpu-2.0/venus.mbn",
 };
 

-- 
2.43.0