linux-kernel - [PATCH v3 4/5] drm/msm: switch msm_kms to use msm_iommu_disp

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: <20250219-abhinavk-smmu-fault-handler-v3-4-aa3f0bf4434a@quicinc.com>
Date: Wed, 19 Feb 2025 11:49:20 -0800
From: Jessica Zhang <quic_jesszhan@...cinc.com>
To: Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov
	<dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten
	<marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, "Simona
 Vetter" <simona@...ll.ch>
CC: Abhinav Kumar <quic_abhinavk@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <freedreno@...ts.freedesktop.org>,
        <linux-kernel@...r.kernel.org>,
        "Jessica
 Zhang" <quic_jesszhan@...cinc.com>
Subject: [PATCH v3 4/5] drm/msm: switch msm_kms to use msm_iommu_disp_new()

From: Abhinav Kumar <quic_abhinavk@...cinc.com>

Switch msm_kms to use msm_iommu_disp_new() so that the newly
registered fault handler will kick-in during any mmu faults.

Signed-off-by: Abhinav Kumar <quic_abhinavk@...cinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
---
 drivers/gpu/drm/msm/msm_kms.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/msm_kms.c b/drivers/gpu/drm/msm/msm_kms.c
index 1a9f551ea031..1d3dae3d4c93 100644
--- a/drivers/gpu/drm/msm/msm_kms.c
+++ b/drivers/gpu/drm/msm/msm_kms.c
@@ -192,7 +192,7 @@ struct msm_gem_address_space *msm_kms_init_aspace(struct drm_device *dev)
 	else
 		iommu_dev = mdss_dev;
 
-	mmu = msm_iommu_new(iommu_dev, 0);
+	mmu = msm_iommu_disp_new(iommu_dev, 0);
 	if (IS_ERR(mmu))
 		return ERR_CAST(mmu);
 

-- 
2.48.1