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[67.168.198.145]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8b09bb48410sm2289079b3a.46.2026.11.05.08.42.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Nov 2026 08:42:11 -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 v6 6/6] drm/msm: Inhibit IFPC for state snapshot Date: Thu, 5 Nov 2026 08:41:53 -0800 Message-ID: <20261105164158.23263-7-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261105164158.23263-1-robin.clark@oss.qualcomm.com> References: <20261105164158.23263-1-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-Spam-Info: AW1haW4tMjYxMTA1MDA2NiBTYWx0ZWRfX6PKIrWpVpyrF Z8k9atvc+1yf8Dac9hbrOlFm6CKNYdMMERlYwqlHf0W+v2eHJQUIdGTbYVg/Bf/pcRgzgsMyhw7 7Aen+VXjXtGNKc06oss/9TR6HkvEmEw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA1MDA2NiBTYWx0ZWRfX5oAjliEiE//F imcRCXBVopNrqeAj72cRRLj0MDsASLegHl02mL4GgLgR7xCOPVDytkYOLHaFiP8eBeIN0/1dX9P Ui9Riw3MH8KTx8kjkJ5XwACe6+6IWk/FLvSoy3WJ0wDRFeOZrjkI/5ToAXPv5zo7Txq334Nl6Pg eVGmLwAQvXC9RVRYzxkdx9BJZ9zLAEvRCP4s9eWbXdS2WBXm+P0zWJrRx3f7Ary9GBFR7qVCTaR L11bHcoy+pi/znyxl+V1dmDoGTx2eodIM2Ba5fO06dqQmIL6RpneVZ5zEjEO5ZHa9XBRVw5iuS5 NX8oJH/8Ho0vsBWp4C57LuYGS5+WuMNLB69/411I7VgYUk1WXwz6TkX5qb5mhZ0xoK7nA0IUKF7 51Vf2pyUTRI+AiZiQuo03mAHw+HvwACbZC2Y47Q329Xg5TmyCVFAAaOVrqFnaqo7/XLoWgrFwYs 01V9SvkdWQYmw27PAbQ== X-Proofpoint-ORIG-GUID: 8RSQ-ZSnRmh_f9XoLcWGht_pSJfs3aQq X-Proofpoint-GUID: 8RSQ-ZSnRmh_f9XoLcWGht_pSJfs3aQq X-Authority-Analysis: v=2.4 cv=Y5JtIReN c=1 sm=1 tr=0 ts=6aecb1e5 cx=c_pps a=rEQLjTOiSrHUhVqRoksmgQ==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=eoimf2acIAo5FJnRuUoq:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=eWlSUfSnBrBg5eVjM6UA:9 a=2VI0MkxyNR6bbpdq8BZq: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=2026-11-05_04,2026-11-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611050066 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 98f67b7aab66..e6c872ed1a01 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