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[111.252.5.201]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-23e3b6cfb89sm34023075ad.132.2025.07.19.17.02.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Jul 2025 17:02:01 -0700 (PDT) From: Chia-I Wu To: Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 0/9] drm/panthor: add devcoredump support Date: Sat, 19 Jul 2025 17:01:37 -0700 Message-ID: <20250720000146.1405060-1-olvaffe@gmail.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit This series adds devcoredump support to panthor. This is written from scratch and is not based on the prior work[1]. The main differences are - coredump triggers on all faulty/fatal/timeout events - state capture and state process are two separated steps, with GFP_NOWAIT being used for state capture - state capture captures both sw states and hw regs that are potentially interesting - coredump data is in text format, similar to what msm and xe do A sample devcoredump can be found at https://gitlab.freedesktop.org/panfrost/linux/-/issues/44 [1] https://lore.kernel.org/lkml/20240821143826.3720-1-daniel.almeida@collabora.com/ Chia-I Wu (9): drm/panthor: add devcoredump support drm/panthor: capture GPU state for devcoredump drm/panthor: capture GLB state for devcoredump drm/panthor: capture CSG state for devcoredump drm/panthor: capture CS state for devcoredump drm/panthor: capture AS state for devcoredump drm/panthor: capture VMA state for devcoredump drm/panthor: check bo offset alignment in vm bind drm/panthor: add DRM_PANTHOR_VM_BIND_OP_MAP_DUMPABLE drivers/gpu/drm/panthor/Makefile | 2 + drivers/gpu/drm/panthor/panthor_coredump.c | 617 +++++++++++++++++++++ drivers/gpu/drm/panthor/panthor_coredump.h | 178 ++++++ drivers/gpu/drm/panthor/panthor_device.h | 6 + drivers/gpu/drm/panthor/panthor_drv.c | 3 +- drivers/gpu/drm/panthor/panthor_mmu.c | 54 +- drivers/gpu/drm/panthor/panthor_mmu.h | 4 + drivers/gpu/drm/panthor/panthor_regs.h | 6 + drivers/gpu/drm/panthor/panthor_sched.c | 104 ++++ drivers/gpu/drm/panthor/panthor_sched.h | 14 + include/uapi/drm/panthor_drm.h | 7 + 11 files changed, 989 insertions(+), 6 deletions(-) create mode 100644 drivers/gpu/drm/panthor/panthor_coredump.c create mode 100644 drivers/gpu/drm/panthor/panthor_coredump.h -- 2.50.0.727.gbf7dc18ff4-goog