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[67.168.198.145]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b0b319f2c9sm41733a91.10.2026.11.04.09.59.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Nov 2026 09:59:44 -0800 (PST) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Anna Maniscalco , Rob Clark , Alexander Koskovich , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org (open list) Subject: [PATCH v5 6/6] drm/msm: Inhibit IFPC for state snapshot Date: Wed, 4 Nov 2026 09:59:26 -0800 Message-ID: <20261104175931.28475-7-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261104175931.28475-1-robin.clark@oss.qualcomm.com> References: <20261104175931.28475-1-robin.clark@oss.qualcomm.com> 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 Content-Transfer-Encoding: 8bit X-Authority-Analysis: v=2.4 cv=ZbmIpcVA c=1 sm=1 tr=0 ts=6aeb7292 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=eWlSUfSnBrBg5eVjM6UA:9 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA0MDA3MSBTYWx0ZWRfX5Wp1eCmdLEFt yYM0g4iMkJACOpKQEWzmDJg+Dg9QaA+ITGYCnqFWSey4xWgrb3JGkjPaq7BuIZHwKAV2lHhwmhN esSR3QUyjkfRW/AuM/y5KXBsORTiOWLiK/spgXVZNM3Et9o3wRvXYscMAzUeIkSPj5HhSDP7gl/ c5w4zokzIPEsfZsEriqNJBPYYFIl2lddngmabkLFOz79cqKDqPYYomKsX9HlNOujY9SKljDMRy2 R5OsYFsfI7zXJwuuBNEO8dPUnQ2dZR3k8QWgyC6cuLiywyTuhBKh/JVwRrRZ02s8CUNSHw09FXf VYKoEszA8ZIHgOiAlJ3D3HrUXvDhkY0FYcYPCm45J1w3SgYQWJ2uT+dzhRVVKkglq+b44FMEIUi hMUbS5IDaONi87eI3ShrAcBYfRoKYIe78hREjHFSlmlKuaM9x75qMD+LIQe8ekD9PF4LyGg57dG tVNjK++sJIPmOMq6qaw== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA0MDA3MSBTYWx0ZWRfX00nsnmhypYXL 753qt4fH2zCKX/aJMnkzRDia1hH0kVVC78+egQn7dXUVx1RMpDUxg1nO0EvmTyIOUmDdMY275k9 YmNDZs+h6fe5OZLESg621wMt7LcIbM4= X-Proofpoint-ORIG-GUID: _ttUlF_sw1mjlzvA9ODxJD3KwrF7XDbe X-Proofpoint-GUID: _ttUlF_sw1mjlzvA9ODxJD3KwrF7XDbe 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=2026-11-04_05,2026-11-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 spamscore=0 priorityscore=1501 clxscore=1015 phishscore=0 suspectscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611040071 We need the GPU to stay awake for this. Tested-by: Alexander Koskovich # Milos (Nothing Phone 3a) Reviewed-by: Konrad Dybcio Reviewed-by: Anna Maniscalco Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/msm_debugfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/msm_debugfs.c b/drivers/gpu/drm/msm/msm_debugfs.c index 136029025b80..b993a556a816 100644 --- a/drivers/gpu/drm/msm/msm_debugfs.c +++ b/drivers/gpu/drm/msm/msm_debugfs.c @@ -83,6 +83,7 @@ static int msm_gpu_open(struct inode *inode, struct file *file) scoped_cond_guard (mutex_intr, return -EINTR, &gpu->lock) { scoped_guard (pm_runtime_active, &gpu->pdev->dev) { msm_gpu_hw_init(gpu); + guard(ifpc_disable)(gpu); show_priv->state = gpu->funcs->gpu_state_get(gpu); } } -- 2.56.0