From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 258E3CEBF92 for ; Tue, 18 Nov 2025 08:51:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H4vCyzBAng103Oq0fMyz/UmnE+wwp6D/i+dL9/t/Pjo=; b=Yft1f4UZF6JAJsya4Pb/DiOzAj ZmJgXNlml75e9myv4Oz5JVXFEbsgThwAlDv5raYfwYqH1AKlt+4pmkhJRqqtxxOtsYVLr8e0eEP+u T4AZW8UBaKUw8RW8dWjx/JBBU7XOgjz/xAziQBQArq9464xejlKT8UeRaa1hXZI370AFKlDqiEVZY rhAEnAsrFMFp90E+m3exv+fo80AmMbaxnMYVHCky0teFZN9tTHgVNue+DmRlXPVAA4vs+BZ3B39G2 AGiN8e9JS9CwBywV2INVf6YFzajx0nPAu4sRyJEYcJiXbzT455pYMz8qZ/rQzJt/k0J3Lr4euv49o dv/sEUsA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLHQv-0000000057j-0Yfe; Tue, 18 Nov 2025 08:51:29 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLHQs-0000000056n-1Vjy for linux-arm-kernel@lists.infradead.org; Tue, 18 Nov 2025 08:51:27 +0000 Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 5AI2jpnt027447 for ; Tue, 18 Nov 2025 08:51:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= H4vCyzBAng103Oq0fMyz/UmnE+wwp6D/i+dL9/t/Pjo=; b=ZbQn/brjBhwoMCd/ IXPswd+gdSg8ZixoZa5dJWsmP1Ku/zoA5LoC7BMJCRfwM0dL2cACyBXx/hP0dJNR w3gez8M0G3VQDwe0y9GX1ECUUhLBj43GfqOMriaOfD29Dgm4c5J3BEn+N1MYNSEe UmeJ9/fe9tXuwUhAJH3Vn9wGezXaxEMd2K96b+GZFFVPKpbBKdSVGFGDRkK2qIws c5F5qEGOddVkXdolc5LYbL+VBl7jBDAyAqRHr7vmCs68RP3IpaOevwTt4kEqlAMd 2jQ3eF/DOGkCp4Rad4w59Y2nec+cy8oeqtvjQE8V7wkr26V4/+NJgzSuPy15ADCD 8DBFMw== Received: from mail-pl1-f198.google.com (mail-pl1-f198.google.com [209.85.214.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ag77t2ed3-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 18 Nov 2025 08:51:25 +0000 (GMT) Received: by mail-pl1-f198.google.com with SMTP id d9443c01a7336-2955555f73dso60559175ad.0 for ; Tue, 18 Nov 2025 00:51:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1763455885; x=1764060685; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=H4vCyzBAng103Oq0fMyz/UmnE+wwp6D/i+dL9/t/Pjo=; b=V2Czz8BocZsAoqNd3Yvvdv96IyFae+2utCZ4gGypkD7nMR8t3vIWvryZXHfsyoR0V8 xG3s93FVL+bH5esmISsgPcZtBdH6WG4xyr3Bt0EBxos+qGp1V3Wa5XY0EHSX/6QiD5EF agAr8y8AZqs8S2WF9Gqj78uSXoszYmFydyhFpYG/KjiVI6fVCF5YmYJ0Ay73jJSNRos5 cRZZvqdNNyKyOD6wvdpOvPsVAqQkQOk9DuC9mgRsSFq7/3FVZIRJMaBCisjgesfpXkaF 5R3OzXeUa0iYr9q1R/BtFXk+/CnrzGR15UQpVJgo6PM/Lo6BxK0NR3ZHlP+LHKIHXQAD zAlg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763455885; x=1764060685; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=H4vCyzBAng103Oq0fMyz/UmnE+wwp6D/i+dL9/t/Pjo=; b=FJrnk40DpXaNROGpHyZmZmuS5MqOfgX/6DyPJRV8QisLcS5wyqDqj+ONA3cPy1Solp FuS9LTCGYMxda5my3JeDYCLTva+/0Q1BFr0X7OiO3Nf8yyFjSafS9E1G0Gmt5nwA4QrF J5hbWMo583BvwhetgDvcnZm5gmFTArBe31bV4YQ+2zflRp7TYzAjIS/y97Pk1+g/4vBg zIEzivtKrQYWfw7SxcMWsWD4gMSsXc3+oY4677Wpx65HpeAO9hcZZXwOMJjvRnK9Jzaa tT6PgQ6amALryrq6tsKA8VeGxrkUcHfPRJn7F0G0Xc37vC/l99JC/SVAl3qMrrAAhaeG E4oQ== X-Forwarded-Encrypted: i=1; AJvYcCUHChvouGHab3udbOcKvMtuwj3t/mudS+XBj8lxecC3N0vTxYefXd8/hKh91yvA6DsURAtFZF5PDaC7fzsv3tpK@lists.infradead.org X-Gm-Message-State: AOJu0Yxzy2sljhWzChu4D/WHYTaQqux1oKLRtACkcuoLFf+FC1hbB1sX DaL7w3svcck4jM60AdJ/jNsGnck2aProl6NqVHY5RO+y9Tl/j7ulwWyvbkHu+fh0aI9v1A+kVnC YUlr47lQjRGzv38CmiYDjyAibIZYPjEN1ytlcCYww6kjRmyPAgAUt8hg2nj77yCXPJAu4M1HkZZ yWLA== X-Gm-Gg: ASbGncsqelr87rRDUUBO5HZQzlC+5o0+Jucw11a7K6xczTswGAXcwBfbNoSiD17FVOB 2VcGwm3tqTj0TGQ06T503aJchCdEAHhTnXECkAQgMI1ze0Rxt7anB8yv6wTbCoHakabkD/kRn4f AAiRpB3wRrldvChul0NLL/ZLI5YJsyA8AZJ3T7duUYFWScDNutRz7xXyXKJNQE04TGDsBWgmDWW ZyyywUIF5LtwTO5RDlKvT1Ejv2SvLpVG4T5b5DnTnhV/Psw6/fU1bL8NWsMIt7JMdeX8oU1vPYt fCGDu+xJEuWOWNr6ccYhHT7WIcSxaC2n6Teeg73qt7uTa9R6XmSSlCoSctcXLs0IuLze1RM64AL 7VMRnYD7qN67Q0BZxLgaufsM= X-Received: by 2002:a17:902:f603:b0:295:5b68:9967 with SMTP id d9443c01a7336-2986a752d17mr194312855ad.49.1763455885229; Tue, 18 Nov 2025 00:51:25 -0800 (PST) X-Google-Smtp-Source: AGHT+IFbC51hO2dOCARJAyGl+8Koi6W7aP2bRmpLcyj3T7XMY2HEbsh68c6kf4TSJcXeGL2xke4r6g== X-Received: by 2002:a17:902:f603:b0:295:5b68:9967 with SMTP id d9443c01a7336-2986a752d17mr194312525ad.49.1763455884759; Tue, 18 Nov 2025 00:51:24 -0800 (PST) Received: from hu-akhilpo-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2985c2568c1sm162910695ad.47.2025.11.18.00.51.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Nov 2025 00:51:24 -0800 (PST) From: Akhil P Oommen Date: Tue, 18 Nov 2025 14:20:28 +0530 Subject: [PATCH v4 01/22] drm/msm/a6xx: Fix out of bound IO access in a6xx_get_gmu_registers MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251118-kaana-gpu-support-v4-1-86eeb8e93fb6@oss.qualcomm.com> References: <20251118-kaana-gpu-support-v4-0-86eeb8e93fb6@oss.qualcomm.com> In-Reply-To: <20251118-kaana-gpu-support-v4-0-86eeb8e93fb6@oss.qualcomm.com> To: Rob Clark , Bjorn Andersson , Konrad Dybcio , Sean Paul , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Jonathan Marek , Jordan Crouse , Will Deacon , Robin Murphy , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Connor Abbott Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, Akhil P Oommen , stable@vger.kernel.org X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1763455868; l=1041; i=akhilpo@oss.qualcomm.com; s=20240726; h=from:subject:message-id; bh=75w/DSS2hsmQuGew0+oPiaGMUNyIZyrF4qSNr7xCjPw=; b=jLipoeUTateSBD+g7vKKvS2yUCM4T7jj8HbWbcE3idzdOQIu0EPirauUiY3Is2Tzh/Nibkr/K 97kGQ3WCvoMAzjLIS/xjcAXB0eXKO6+mlb+Pc7iuP/yIi+AHnbe11mu X-Developer-Key: i=akhilpo@oss.qualcomm.com; a=ed25519; pk=lmVtttSHmAUYFnJsQHX80IIRmYmXA4+CzpGcWOOsfKA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTE4MDA2OSBTYWx0ZWRfXzily7iInjKxF Yc9PEK9os8KaEshh2uisJIy/BRPynutM6fap/TePHfOQ+1Djaf1Et+L+Z8oM+1oyUX80XhUwdPk gySvYMYsbIisuYqzbSr8ZO0SLzaWRF0AoEdwGP6+ELAKlkYXjwMCoPon03kpa/pEF1+FqAtIG+2 my1V3cxt4OKIU3SFMyiPUhBWvz/Rj7fVKlQg+GDRXejj1oGKUbeQ+xg2n90NdugdspDCdwMZyHd ILQ3gsWLIK6IKmbm6uGGZjgz3EbJ+vRtI4Hx5Ujm3rn9WnPuKw1LDWX0SNhPUmAKPQ9e8gCk1P2 7Nq9nxVuMIAFpb2Y2B/INF+is7zHEwoQ/JN4N2YSJfN87fde/ZpbSPBb1fZb7nGqMfNPnIXrgwX v3VZfRcznqUDTmgcDUb6cia8L0BTIg== X-Authority-Analysis: v=2.4 cv=EPoLElZC c=1 sm=1 tr=0 ts=691c338d cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=PiXygW76SPkGC_ia2qEA:9 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-ORIG-GUID: soaXifJS1Tw6_avPPEN_SWEfwzMjXHZz X-Proofpoint-GUID: soaXifJS1Tw6_avPPEN_SWEfwzMjXHZz X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2025-11-17_04,2025-11-13_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 spamscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511180069 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251118_005126_411758_983224F5 X-CRM114-Status: GOOD ( 15.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org REG_A6XX_GMU_AO_AHB_FENCE_CTRL register falls under GMU's register range. So, use gmu_write() routines to write to this register. Fixes: 1707add81551 ("drm/msm/a6xx: Add a6xx gpu state") Cc: stable@vger.kernel.org Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c index 838150ff49ab..d2d6b2fd3cba 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c @@ -1255,7 +1255,7 @@ static void a6xx_get_gmu_registers(struct msm_gpu *gpu, return; /* Set the fence to ALLOW mode so we can access the registers */ - gpu_write(gpu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); + gmu_write(&a6xx_gpu->gmu, REG_A6XX_GMU_AO_AHB_FENCE_CTRL, 0); _a6xx_get_gmu_registers(gpu, a6xx_state, &a6xx_gmu_reglist[2], &a6xx_state->gmu_registers[3], false); -- 2.51.0