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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-668cf7e30f7sm4480697a12.8.2026.03.24.03.07.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Mar 2026 03:07:22 -0700 (PDT) Message-ID: Date: Tue, 24 Mar 2026 11:07:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/16] drm/msm/a6xx: Fix gpu init from secure world To: Akhil P Oommen , Rob Clark , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Antonino Maniscalco , Connor Abbott , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann Cc: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20260324-a8xx-gpu-batch2-v1-0-fc95b8d9c017@oss.qualcomm.com> <20260324-a8xx-gpu-batch2-v1-10-fc95b8d9c017@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260324-a8xx-gpu-batch2-v1-10-fc95b8d9c017@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI0MDA4MSBTYWx0ZWRfX2bVfOs1Z1QSm qYNWajQpma3Skn9IJ4jVIJHZgT5XlCTlccQUQMedgw7ycazkD06TXp0QshBzPE0NVAbrI7ypLlb OvX4RUxHVWvnPTVXcddnBwAGuwRCdVJvX67eYcT/m4pLb70ZVYtMV/5MamLQoYE5CZB43e7SFeU CuJYbqW4FyCBB9is16N4ZT4gwulGGHD25qEnoNWfLCeQ/uDTl/V9+2pNPpKXDmoo+5qym0TsHOR o0MZ7BrzY+vJKBAhDQboEAHqRkK8yPUt2bZSdk6QzFqiWriEy+cHL6OuTIs4IVl4h+j6aqFxXSg VcvYEZGaVDJ+wHAtiz70gT0riOX/DC+nMNHIJyTxEpCmrXLJlY4s/pGpQ02rPipMOinr873HE/p M6D0dJk/hFcPgVmuAJOZXPmlumIdBshM5/EJmPcuiBKJsEYCETN++GAxLbax2e/DEPMyYnYBAKE zaSUdAhX+SZtlAugmVg== X-Proofpoint-ORIG-GUID: BoMNLu7kV4i_q9QhW2W8pR-HcpJHGpNF X-Authority-Analysis: v=2.4 cv=KuhAGGWN c=1 sm=1 tr=0 ts=69c2625c cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=vwBs5ZOmTvMLfzL7RNEA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: BoMNLu7kV4i_q9QhW2W8pR-HcpJHGpNF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-24_02,2026-03-23_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 phishscore=0 priorityscore=1501 impostorscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603240081 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 3/23/26 9:12 PM, Akhil P Oommen wrote: > A7XX_GEN2 and newer GPUs requires initialization of few configurations > related to features/power from secure world. The SCM call to do this > should be triggered after GDSC and clocks are enabled. So, keep this > sequence to a6xx_gmu_resume instead of the probe. > > Fixes: 14b27d5df3ea ("drm/msm/a7xx: Initialize a750 "software fuse"") > Signed-off-by: Akhil P Oommen > --- This now makes this happen on *every GMU resume*, which sounds undesirable (kgsl does this in gen7_gmu_first_boot) Similarly, we call a8xx_gpu_get_slice_info() on *every resume* Konrad