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| author | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-02-04 15:57:50 +0200 |
|---|---|---|
| committer | Petr Štetiar <ynezz@true.cz> | 2022-02-24 19:05:28 +0100 |
| commit | e58cd453d58b20c6a6f34d3591640aa19aa14d25 (patch) | |
| tree | a4fef5f5d79575a7a60b516482ee114c1dbc932e /target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch | |
| parent | 3ed992a99630457f660761ce199e3d2a00f06168 (diff) | |
| download | upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.gz upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.tar.bz2 upstream-e58cd453d58b20c6a6f34d3591640aa19aa14d25.zip | |
at91: add kernel support for sama7g5 soc
Add kernel support for SAMA7G5 by back-porting mainline kernel patches.
Among SAMA7G5 features could be remembered:
- ARM Cortex-A7
- double data rate multi-port dynamic RAM controller supporting DDR2,
DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz
- peripherals for audio, video processing
- 1 gigabit + 1 megabit Ethernet controllers
- 6 CAN controllers
- trust zone support
- DVFS for CPU
- criptography IPs
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Diffstat (limited to 'target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch')
| -rw-r--r-- | target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch b/target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch new file mode 100644 index 0000000000..24b6598d3c --- /dev/null +++ b/target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch @@ -0,0 +1,50 @@ +From de8fa25cdf3726c83ac0d7b3b1e28bcb6334aadd Mon Sep 17 00:00:00 2001 +From: Eugen Hristev <eugen.hristev@microchip.com> +Date: Tue, 13 Apr 2021 12:57:01 +0200 +Subject: [PATCH 159/247] media: atmel: atmel-isc: add checks for limiting + frame sizes + +When calling the subdev, certain subdev drivers will overwrite the +frame size and adding sizes which are beyond the ISC's capabilities. +Thus we need to ensure the frame size is cropped to the maximum caps. + +Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> +Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> +Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> +--- + drivers/media/platform/atmel/atmel-isc-base.c | 12 ++++++++++++ + 1 file changed, 12 insertions(+) + +diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c +index d987a8891bd9..02f1d1c6b06e 100644 +--- a/drivers/media/platform/atmel/atmel-isc-base.c ++++ b/drivers/media/platform/atmel/atmel-isc-base.c +@@ -1338,6 +1338,12 @@ static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f, + + v4l2_fill_pix_format(pixfmt, &format.format); + ++ /* Limit to Atmel ISC hardware capabilities */ ++ if (pixfmt->width > ISC_MAX_SUPPORT_WIDTH) ++ pixfmt->width = ISC_MAX_SUPPORT_WIDTH; ++ if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT) ++ pixfmt->height = ISC_MAX_SUPPORT_HEIGHT; ++ + pixfmt->field = V4L2_FIELD_NONE; + pixfmt->bytesperline = (pixfmt->width * isc->try_config.bpp) >> 3; + pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height; +@@ -1373,6 +1379,12 @@ static int isc_set_fmt(struct isc_device *isc, struct v4l2_format *f) + if (ret < 0) + return ret; + ++ /* Limit to Atmel ISC hardware capabilities */ ++ if (pixfmt->width > ISC_MAX_SUPPORT_WIDTH) ++ pixfmt->width = ISC_MAX_SUPPORT_WIDTH; ++ if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT) ++ pixfmt->height = ISC_MAX_SUPPORT_HEIGHT; ++ + isc->fmt = *f; + + if (isc->try_config.sd_format && isc->config.sd_format && +-- +2.32.0 + |