From: Florian Fainelli <florian.fainelli@broadcom.com>
To: Jai Luthra <jai.luthra@ideasonboard.com>,
Stefan Wahren <wahrenst@gmx.net>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Phil Elwell <phil@raspberrypi.com>,
Raspberry Pi Kernel Maintenance <kernel-list@raspberrypi.com>,
bcm-kernel-feedback-list@broadcom.com
Cc: Martin Wetterwald <martin@wetterwald.eu>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Kieran Bingham <kieran.bingham@ideasonboard.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
linux-rpi-kernel@lists.infradead.org,
linux-media@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v5 01/11] platform/raspberrypi: vchiq-mmal: Reset buffers_with_vpu on port_enable
Date: Fri, 13 Nov 2026 19:28:16 -0800 [thread overview]
Message-ID: <fbf90cda-d622-4cb6-b576-9576800534fa@broadcom.com> (raw)
In-Reply-To: <20261112-b4-vc-sm-cma-v5-1-d25e3b687e71@ideasonboard.com>
On 11/12/2026 3:17 AM, Jai Luthra wrote:
> From: Dave Stevenson <dave.stevenson@raspberrypi.com>
>
> Should we go through the timeout failure case with port_disable
> not returning all buffers for whatever reason, the
> buffers_with_vpu counter gets left at a non-zero value, which
> will cause reference counting issues should the instance be
> reused.
>
> Reset the count when the port is enabled again, but before
> any buffers have been sent to the VPU.
>
> Fixes: 70ec64ccdaac ("staging: bcm2835-camera: Ensure all buffers are returned on disable")
> Cc: stable@vger.kernel.org
> Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
> Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
> ---
Applied to https://github.com/Broadcom/stblinux/commits/drivers/next,
thanks!
--
Florian
next prev parent reply other threads:[~2026-11-14 3:28 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 11:17 [PATCH v5 00/11] platform/raspberrypi: Support vc-sm-cma and prepare for bcm2835-isp driver Jai Luthra
2026-11-12 11:17 ` [PATCH v5 01/11] platform/raspberrypi: vchiq-mmal: Reset buffers_with_vpu on port_enable Jai Luthra
2026-11-14 3:28 ` Florian Fainelli [this message]
2026-11-12 11:18 ` [PATCH v5 02/11] platform/raspberrypi: vchiq: Store audio device in driver management struct Jai Luthra
2026-11-14 3:28 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 03/11] platform/raspberrypi: Add VideoCore shared memory support Jai Luthra
2026-11-14 3:28 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 04/11] platform/raspberrypi: vchiq-mmal: Use vc-sm-cma to support zero copy Jai Luthra
2026-11-12 11:18 ` [PATCH v5 05/11] platform/raspberrypi: vchiq-mmal: Support sending data to MMAL ports Jai Luthra
2026-11-12 11:18 ` [PATCH v5 06/11] platform/raspberrypi: vchiq: Register vc-sm-cma as a platform driver Jai Luthra
2026-11-14 3:25 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 07/11] platform/raspberrypi: vchiq-mmal: Include missing headers Jai Luthra
2026-11-14 3:26 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 08/11] platform/raspberrypi: vchiq-mmal: Move headers to include/linux Jai Luthra
2026-11-14 3:26 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 09/11] platform/raspberrypi: vchiq-mmal: Support ISP parameters and stats Jai Luthra
2026-11-14 3:26 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 10/11] platform/raspberrypi: vchiq-mmal: Support bayer and gray formats Jai Luthra
2026-11-14 3:26 ` Florian Fainelli
2026-11-12 11:18 ` [PATCH v5 11/11] platform/raspberrypi: vchiq: Add helpers for vchiq driver data Jai Luthra
2026-11-14 3:26 ` Florian Fainelli
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