linux-kernel - [PATCH 05/18] media: venus: hfi_venus: Sanitize venus_boot

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230228-topic-venus-v1-5-58c2c88384e9@linaro.org>
Date:   Tue, 28 Feb 2023 16:24:29 +0100
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>,
        Dikshita Agarwal <dikshita@...eaurora.org>,
        Mansur Alisha Shaik <mansur@...eaurora.org>,
        Jonathan Marek <jonathan@...ek.ca>
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,
        Vikash Garodia <vgarodia@...eaurora.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 05/18] media: venus: hfi_venus: Sanitize venus_boot_core()
 per-VPU-version

The current assumption of IS_V6 is overgeneralized. Adjust the logic
to take the VPU hardware version into account.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/media/platform/qcom/venus/hfi_venus.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_venus.c b/drivers/media/platform/qcom/venus/hfi_venus.c
index 4ccf31147c2a..772e5e9cf127 100644
--- a/drivers/media/platform/qcom/venus/hfi_venus.c
+++ b/drivers/media/platform/qcom/venus/hfi_venus.c
@@ -448,20 +448,21 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
 {
 	struct device *dev = hdev->core->dev;
 	static const unsigned int max_tries = 100;
-	u32 ctrl_status = 0, mask_val;
+	u32 ctrl_status = 0, mask_val = 0;
 	unsigned int count = 0;
 	void __iomem *cpu_cs_base = hdev->core->cpu_cs_base;
 	void __iomem *wrapper_base = hdev->core->wrapper_base;
 	int ret = 0;
 
 	writel(BIT(VIDC_CTRL_INIT_CTRL_SHIFT), cpu_cs_base + VIDC_CTRL_INIT);
-	if (IS_V6(hdev->core)) {
+	if (IS_IRIS1(hdev->core) || IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core)) {
 		mask_val = readl(wrapper_base + WRAPPER_INTR_MASK);
 		mask_val &= ~(WRAPPER_INTR_MASK_A2HWD_BASK_V6 |
 			      WRAPPER_INTR_MASK_A2HCPU_MASK);
 	} else {
 		mask_val = WRAPPER_INTR_MASK_A2HVCODEC_MASK;
 	}
+
 	writel(mask_val, wrapper_base + WRAPPER_INTR_MASK);
 	writel(1, cpu_cs_base + CPU_CS_SCIACMDARG3);
 
@@ -480,10 +481,11 @@ static int venus_boot_core(struct venus_hfi_device *hdev)
 	if (count >= max_tries)
 		ret = -ETIMEDOUT;
 
-	if (IS_V6(hdev->core)) {
+	if (IS_AR50_LITE(hdev->core) || IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core))
 		writel(0x1, cpu_cs_base + CPU_CS_H2XSOFTINTEN_V6);
+
+	if (IS_IRIS2(hdev->core) || IS_IRIS2_1(hdev->core))
 		writel(0x0, cpu_cs_base + CPU_CS_X2RPMH_V6);
-	}
 
 	return ret;
 }

-- 
2.39.2