From: Philipp Zabel <p.zabel@pengutronix.de>
To: Michael Tretter <m.tretter@pengutronix.de>,
linux-media@vger.kernel.org, devicetree@vger.kernel.org,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Fabio Estevam <festevam@gmail.com>,
Alexander Stein <alexander.stein@ew.tq-group.com>,
kernel@pengutronix.de, linux-imx@nxp.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ
Date: Fri, 13 Jan 2023 12:52:23 +0100 [thread overview]
Message-ID: <e843bd155468d36cc484ea076aa9446b0caef12d.camel@pengutronix.de> (raw)
In-Reply-To: <20230112-imx-pxp-v2-15-e2281da1db55@pengutronix.de>
On Fr, 2023-01-13 at 10:54 +0100, Michael Tretter wrote:
> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
> There's no need to use threaded IRQs with the PXP, as the interrupt
> handler doesn't need to sleep and doesn't perform any time-consuming
> operation. Switch to regular IRQ handler.
>
> This fixes lockups of the PXP noticed on i.MX7, where the PXP would stop
> generating interrupts after a variable number of frames (from a few
> dozens to a few hundreds). The root cause is however unknown.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
regards
Philipp
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next prev parent reply other threads:[~2023-01-13 11:59 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-13 9:54 [PATCH v2 00/16] media: imx-pxp: add support for i.MX7D Michael Tretter
2023-01-13 9:54 ` [PATCH v2 01/16] dt-bindings: media: fsl-pxp: convert to yaml Michael Tretter
2023-01-13 10:41 ` Laurent Pinchart
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 11:56 ` Krzysztof Kozlowski
2023-01-13 15:09 ` Michael Tretter
2023-01-13 16:51 ` Krzysztof Kozlowski
2023-01-13 15:26 ` Rob Herring
2023-01-16 11:38 ` [PATCH v2.1 02/17] " Michael Tretter
2023-01-16 11:59 ` Krzysztof Kozlowski
2023-01-16 16:11 ` Laurent Pinchart
2023-01-13 9:54 ` [PATCH v2 02/16] media: imx-pxp: detect PXP version Michael Tretter
2023-01-13 10:44 ` Laurent Pinchart
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 03/16] media: imx-pxp: extract helper function to setup data path Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 04/16] media: imx-pxp: explicitly disable unused blocks Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 05/16] media: imx-pxp: disable LUT block Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 06/16] media: imx-pxp: make data_path_ctrl0 platform dependent Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 12:03 ` Laurent Pinchart
2023-01-13 9:54 ` [PATCH v2 07/16] media: imx-pxp: add support for i.MX7D Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 08/16] ARM: dts: imx7d: add node for PXP Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-16 16:26 ` Laurent Pinchart
2023-01-20 9:06 ` Michael Tretter
2023-01-20 9:20 ` Laurent Pinchart
2023-02-09 14:02 ` Michael Tretter
2023-03-06 1:19 ` Shawn Guo
2023-01-13 9:54 ` [PATCH v2 09/16] media: imx-pxp: Sort headers alphabetically Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 10/16] media: imx-pxp: Don't set bus_info manually in .querycap() Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 11/16] media: imx-pxp: Add media controller support Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 12/16] media: imx-pxp: Pass pixel format value to find_format() Michael Tretter
2023-01-13 11:46 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 13/16] media: imx-pxp: Implement frame size enumeration Michael Tretter
2023-01-13 11:49 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 14/16] media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers Michael Tretter
2023-01-13 11:50 ` Philipp Zabel
2023-01-13 9:54 ` [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ Michael Tretter
2023-01-13 11:52 ` Philipp Zabel [this message]
2023-01-13 9:54 ` [PATCH v2 16/16] media: imx-pxp: convert to regmap Michael Tretter
2023-01-13 11:56 ` Philipp Zabel
2023-01-14 21:29 ` [PATCH v2 00/16] media: imx-pxp: add support for i.MX7D Laurent Pinchart
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