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[67.168.198.145]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b07c2ab1cdsm5704537a91.0.2026.11.03.10.47.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Nov 2026 10:47:20 -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 , Abhinav Kumar , Akhil P Oommen , David Airlie , Dmitry Baryshkov , Jessica Zhang , Konrad Dybcio , linux-kernel@vger.kernel.org (open list), Marijn Suijten , Sean Paul , Simona Vetter Subject: [PATCH v3 0/4] drm/msm: Decouple IFPC disable and sysprof Date: Tue, 3 Nov 2026 10:47:06 -0800 Message-ID: <20261103184713.29664-1-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.56.0 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: yF7NxRzypQO8hmqXbinHhWt-CYgTPLVz X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTAzMDA3NCBTYWx0ZWRfXw2v3fBtNu+0d VSWZlk4JCY6uMHh1ekZ9f2ogb0ukb/rYbQ2Qo0mgVmpwYhSIOTTWizxsMKHK+9wq/GTHqiwbs/5 sJPOjj1HkzM4+b0k4Qeo8kR3+fgThGVTQk/clYpJtPd/Rk36YUsXbGdoeXD0Ll18/PnGmA1wl+P IhHVGljzcgt//n9iRAOLgI6jhu1Mosp2zIF2xWQ5T/YodOtpYqUjKvIyEIihb2BYE0K0xkiaLm3 XCIdVE02p6b/gsJJaXnSw4d1viTlbcLHaGhjdwpe6wlx3wI7xOpSj7KvTqC7J+jcRVlA9cCbp+b H4FffPFEE1xOTXS39HqyptX/6iQrlNmUSMr0Nr8cDzbzOf7Bqgs81u6FmJ6vPhkKsYMioWvSO9z bsFHIYHFGR0we5lwHiCcfPpkdNOWYcEQNS4xIwQy+SSUZ2vMGW2/UUafaFX/wRlFUCMR71QkIoC 9ABdBmGq3L7JeDeTCSw== X-Proofpoint-ORIG-GUID: yF7NxRzypQO8hmqXbinHhWt-CYgTPLVz X-Authority-Analysis: v=2.4 cv=NMhAaE6g c=1 sm=1 tr=0 ts=6aea2c6a cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=6Rn/7xRx7Ub4NEhlm8k1cw==:17 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=e5mUnYsNAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=WAnUiRRfp7J0bigzDMEA:9 a=iS9zxrgQBfv6-_F4QbHw:22 a=Vxmtnl_E_bksehYqCbjh:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMTAzMDA3NCBTYWx0ZWRfX7bntSWAFRfjo gjK+j8xLIeg5XnmDyKA297BJnssQcwUkI6AfKObn5H5FEJIeLugdjf0pWAIWB7PsrvTT5GlJZR7 ZRJw9F2Pc8CeWxS+ZHbEs1Pd5tRvP6U= 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_04,2026-11-03_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 suspectscore=0 phishscore=0 adultscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610300000 definitions=main-2611030074 Convert IFPC-disable into it's own refcnt so that multiple threads can request IFPC to be disabled without stomping on each other. Extracted out of gen8 GPU state capture series[1], as other than fixing a missing IFPC disable in debugfs state capture path, it is unrelated. [1] https://patchwork.freedesktop.org/series/176505/ v3: - Rework IFPC disable harder to play nicer with hw_init(). If we need_hw_init, simply update gmu->status mask and let hw_init() restore the OOB request in a sequence that won't anger the fw. - Link to v2: https://lore.kernel.org/all/20261102190010.720443-1-robin.clark@oss.qualcomm.com/ v2: - Fix double acquire of gmu->lock - Fix missing a8xx hw_init() path - Link to v1: https://lore.kernel.org/all/20261101174631.23637-1-robin.clark@oss.qualcomm.com/ Rob Clark (4): drm/msm: Rework IFPC disable drm/msm: Add cleanup help for disabling IFPC drm/msm/debugfs: Use cleanup.h for gpu state dump drm/msm: Inhibit IFPC for state snapshot drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 34 ++++++++++++++------------- drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 11 ++++----- drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 2 +- drivers/gpu/drm/msm/adreno/a8xx_gpu.c | 5 ++-- drivers/gpu/drm/msm/msm_debugfs.c | 31 ++++++++++-------------- drivers/gpu/drm/msm/msm_gpu.c | 1 + drivers/gpu/drm/msm/msm_gpu.h | 30 +++++++++++++++++++---- drivers/gpu/drm/msm/msm_perfcntr.c | 7 +----- drivers/gpu/drm/msm/msm_submitqueue.c | 10 ++++---- 9 files changed, 73 insertions(+), 58 deletions(-) -- 2.56.0