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From: Rob Clark <robin.clark@oss.qualcomm.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
	Anna Maniscalco <anna.maniscalco2000@gmail.com>,
	Rob Clark <robin.clark@oss.qualcomm.com>,
	Abhinav Kumar <abhinav.kumar@linux.dev>,
	Akhil P Oommen <akhilpo@oss.qualcomm.com>,
	David Airlie <airlied@gmail.com>,
	Dmitry Baryshkov <lumag@kernel.org>,
	Jessica Zhang <jesszhan0024@gmail.com>,
	Konrad Dybcio <konradybcio@kernel.org>,
	linux-kernel@vger.kernel.org (open list),
	Marijn Suijten <marijn.suijten@somainline.org>,
	Sean Paul <sean@poorly.run>, Simona Vetter <simona@ffwll.ch>
Subject: [PATCH v2 0/4] drm/msm: Decouple IFPC disable and sysprof
Date: Mon,  2 Nov 2026 11:00:03 -0800	[thread overview]
Message-ID: <20261102190010.720443-1-robin.clark@oss.qualcomm.com> (raw)

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/

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 | 32 +++++++++++++++------------
 drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 12 ++++------
 drivers/gpu/drm/msm/adreno/a6xx_gpu.h |  3 ++-
 drivers/gpu/drm/msm/adreno/a8xx_gpu.c |  6 +----
 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, 72 insertions(+), 60 deletions(-)

-- 
2.56.0


             reply	other threads:[~2026-11-02 19:00 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-11-02 19:00 Rob Clark [this message]
2026-11-02 19:00 ` [PATCH v2 1/4] drm/msm: Rework IFPC disable Rob Clark
2026-11-02 19:00 ` [PATCH v2 2/4] drm/msm: Add cleanup help for disabling IFPC Rob Clark
2026-11-02 19:00 ` [PATCH v2 3/4] drm/msm/debugfs: Use cleanup.h for gpu state dump Rob Clark
2026-11-02 19:00 ` [PATCH v2 4/4] drm/msm: Inhibit IFPC for state snapshot Rob Clark

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