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[67.168.198.145]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ed091723easm329635ad.58.2026.11.03.15.19.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2026 15:19:05 -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 v4 6/6] drm/msm: Inhibit IFPC for state snapshot Date: Tue, 3 Nov 2026 15:18:45 -0800 Message-ID: <20261103231850.17493-7-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261103231850.17493-1-robin.clark@oss.qualcomm.com> References: <20261103231850.17493-1-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-Proofpoint-GUID: EjXasyLFMqYxYq3AucELcJ5YQIQQ6dWj X-Proofpoint-ORIG-GUID: EjXasyLFMqYxYq3AucELcJ5YQIQQ6dWj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAzMDA5MiBTYWx0ZWRfX0Kgc52KCUOaS av8kR+UchU6uc+M9RDwUaKFXmBRzspe5z6wfNpwZVtO6v6DJ6lNfToXtBgiNB2b6jDCT0piqU8/ 26F/6yQF6PXm5FdQ74xq0qf34B4370CG9qboxJbmN7ZkRcG2hd9JN2T3PDZYcEHnvIZRGCBcVWD IsQLMzGKwfIiDVNjm5HpBsx54i1wYddeNAbOOhnC4ARp7QOJ8tuGrdKz9yEcQMKCwSKkNYsCQ1z IOPe8hmxfnROPo2J58YQEAxQt2hlwfimIKQ0h7PxpqVJDH/uIr7MwO6qS02uwjJrUWJdXnLrKMQ pD53h6aboOPRPN40H1aWYM1B1gBrDvlmYZuR4gWtGrgduzGpp4Yzg9C6jGdK2ykzpzLC/bmov7V bXLgc65eJoUJsXuDGFt4W4Kwy2q4Kk0advGYeIqD0Z6xycmzvGCrQxM/kbJqvKFHDr4FQrVX62d 1+gQx4WezojAdN8Vs5A== X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAzMDA5MiBTYWx0ZWRfX8kwdweSAre2t wlVrgadv2lgKPYDpLlES0iPwL8UzSsBOg0UY4kaCNfISyRg0oyX0gYjyz0WEVMgKrZnMK7/xpYz XMEf43NPtTuA51klRQouvrdfUgviWdE= X-Authority-Analysis: v=2.4 cv=HbWB3SE8 c=1 sm=1 tr=0 ts=6aea6beb cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=eWlSUfSnBrBg5eVjM6UA:9 a=GvdueXVYPmCkWapjIL-Q:22 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=2026-11-03_05,2026-11-03_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 priorityscore=1501 adultscore=0 malwarescore=0 suspectscore=0 clxscore=1015 spamscore=0 phishscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611030092 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 aa59b28a3392..45df35d3cf90 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_guard (pm_runtime_active, &gpu->pdev->dev) { scoped_cond_guard (mutex_intr, return -EINTR, &gpu->lock) { msm_gpu_hw_init(gpu); + guard(ifpc_disable)(gpu); show_priv->state = gpu->funcs->gpu_state_get(gpu); } } -- 2.56.0