From: Markus Elfring <Markus.Elfring@web.de>
To: Tomeu Vizoso <tomeu@tomeuvizoso.net>,
dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linaro-mm-sig@lists.linaro.org
Cc: LKML <linux-kernel@vger.kernel.org>,
linux-doc@vger.kernel.org, "Andrei Aldea" <a-aldea@ti.com>,
"Andrew F. Davis" <afd@ti.com>,
"Chirag Shilwant" <c-shilwant@ti.com>,
"Christian König" <christian.koenig@amd.com>,
"Conor Dooley" <conor+dt@kernel.org>,
"David Airlie" <airlied@gmail.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Jonathan Humphreys" <j-humphreys@ti.com>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Nishanth Menon" <nm@ti.com>, "Oded Gabbay" <ogabbay@kernel.org>,
"Randolph Sapp" <rs@ti.com>, "Rob Herring" <robh@kernel.org>,
"Robert Nelson" <robertcnelson@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Sumit Semwal" <sumit.semwal@linaro.org>,
"Tero Kristo" <kristo@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"Vignesh Raghavendra" <vigneshr@ti.com>
Subject: Re: [PATCH v2 3/5] accel/thames: Add IOCTLs for BO creation and mapping
Date: Wed, 14 Jan 2026 16:56:19 +0100 [thread overview]
Message-ID: <cfba57a6-01c1-4f47-80e2-9db4d5013986@web.de> (raw)
In-Reply-To: <20260114-thames-v2-3-e94a6636e050@tomeuvizoso.net>
…
> Buffers belong to a context, which is used by the DSP to switch to the
> page table that mapped the buffers for the user of the job to execute.
>
> v2:
> - Add thames_accel.h UAPI header (Robert Nelson).
* Please move patch version descriptions behind the marker line.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.19-rc5#n785
* See also once more:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/submitting-patches.rst?h=v6.19-rc5#n94
…
> +++ b/drivers/accel/thames/thames_gem.c
> @@ -0,0 +1,353 @@
…
> +static void thames_free_vaddr(struct thames_device *tdev, struct thames_gem_object *bo)
> +{
…
> + mutex_lock(&tdev->mm_lock);
> + drm_mm_remove_node(&bo->mm);
> + mutex_unlock(&tdev->mm_lock);
> +}
…
Under which circumstances would you become interested to apply a statement
like “guard(mutex)(&tdev->mm_lock);”?
https://elixir.bootlin.com/linux/v6.19-rc5/source/include/linux/mutex.h#L253
Regards,
Markus
next prev parent reply other threads:[~2026-01-14 15:56 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-14 8:46 [PATCH v2 0/5] New DRM accel driver for Texas Instruments' C7x DSPs Tomeu Vizoso
2026-01-14 8:46 ` [PATCH v2 1/5] arm64: dts: ti: k3-j722s-ti-ipc-firmware: Add memory pool for DSP i/o buffers Tomeu Vizoso
2026-01-14 17:53 ` Andrew Davis
2026-01-14 8:46 ` [PATCH v2 2/5] accel/thames: Add driver for the C7x DSPs in TI SoCs Tomeu Vizoso
2026-01-14 17:02 ` Markus Elfring
2026-01-14 18:01 ` Andrew Davis
2026-01-14 18:54 ` Randy Dunlap
2026-01-14 8:46 ` [PATCH v2 3/5] accel/thames: Add IOCTLs for BO creation and mapping Tomeu Vizoso
2026-01-14 15:56 ` Markus Elfring [this message]
2026-01-14 8:46 ` [PATCH v2 4/5] accel/thames: Add IOCTL for job submission Tomeu Vizoso
2026-01-14 17:51 ` Markus Elfring
2026-01-14 19:06 ` Randy Dunlap
2026-01-19 13:26 ` Tvrtko Ursulin
2026-01-14 8:46 ` [PATCH v2 5/5] accel/thames: Add IOCTL for memory synchronization Tomeu Vizoso
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