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Mon, 26 Oct 2026 02:46:24 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c46bd650118sm301524966b.49.2026.10.26.02.46.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 26 Oct 2026 02:46:23 -0700 (PDT) Message-ID: <269610c6-5ace-4faf-aa44-6074074e0cb6@oss.qualcomm.com> Date: Mon, 26 Oct 2026 10:46:20 +0100 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/8] drm/msm/a6xx: Check BX dependency vote index To: Akhil P Oommen , Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Jordan Crouse , Neil Armstrong , =?UTF-8?Q?Christian_K=C3=B6nig?= , Luben Tuikov , Antonino Maniscalco Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, kernel test robot References: <20261024-assorted-fixes-oct-v1-0-2977f974ddb7@oss.qualcomm.com> <20261024-assorted-fixes-oct-v1-1-2977f974ddb7@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20261024-assorted-fixes-oct-v1-1-2977f974ddb7@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 9Q-T902jkw94xD7G7_pStpGb0IfpowAy X-Proofpoint-ORIG-GUID: 9Q-T902jkw94xD7G7_pStpGb0IfpowAy X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI2MDAzOCBTYWx0ZWRfX62kZftR+hBXZ j+q0c/q2IKE10lhztV/BUsjtlapK/0SVXLLaHcd6pg/taaMGklx0M0gpO+atdXKAjIy38LFiMGh 1mYCS7VbeIIC+SB2Koc9Hg5FgO2JBQA= X-Authority-Analysis: v=2.4 cv=HqHjiETS c=1 sm=1 tr=0 ts=6adf2172 cx=c_pps a=JbAStetqSzwMeJznSMzCyw==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=QyXUC8HyAAAA:8 a=EUspDBNiAAAA:8 a=kjaib4mTrQJa5ucwwGQA:9 a=QEXdDO2ut3YA:10 a=uxP6HrT_eTzRwkO_Te1X:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI2MDAzOCBTYWx0ZWRfX3QaDHbI+STeG kDNiIL9srXjMb2mTgiaX82SDTzOOabeyaBaCK35hvBl67gAAMtNHMCXfm/pvA3sNii5C9o5yltk CgqWXMPzTUzS3lggitOR6JtgJTUlhGw64HqdQ9jni1IdpMxMvgNDrrdtxp0TA3ZcCUybWj4Eo2S LKJpTyb4GMGU8kACV2WkLRDF+SQUlAvnNfnV7bXnEQ+c5H+zfPF4uE1dTZVlhESqtjtdY0rzFyM vOkUeW2jb3vnM7arVZVdZ2wozE0fzXWlTjxD2iy5ByWRQmdoS/PiZN9xCbe80gzfnzrhECY3zSG jOL81frEK9x0IvBEPtUfQRnM+zM4mKaCbnlGiC9PAT0dz5GgK+4QDENZRY20CvuoTQTBmeBAd2i rX9ACQ6y9NMK4jJzE82AuWuhNv8zhyeawF977r22Hiik3JN3HyBErQFigaWneD7YpapA+MfTN4C MiP02LllKexeLKsREAg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-26_01,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 adultscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610260038 On 10/24/26 12:30 PM, Akhil P Oommen wrote: > a6xx_gmu_rpmh_arc_index() returns a signed error value. Check the result > before passing it to FIELD_MODIFY(), which rejects a compiler-propagated > negative value as too large for the field. > > Fixes: 020b8eaa1db8 ("drm/msm/a6xx: Add BX rail support to GMU dependency votes") > Cc: stable@vger.kernel.org > Reported-by: kernel test robot > Closes: https://lore.kernel.org/oe-kbuild-all/202610070334.bYvBJSpj-lkp@intel.com/ > Signed-off-by: Akhil P Oommen > --- Reviewed-by: Konrad Dybcio Konrad