From e58cd453d58b20c6a6f34d3591640aa19aa14d25 Mon Sep 17 00:00:00 2001 From: Claudiu Beznea Date: Fri, 4 Feb 2022 15:57:50 +0200 Subject: 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 --- ...-atmel-isc-add-checks-for-limiting-frame-.patch | 50 ++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch (limited to 'target/linux/at91/patches-5.10/159-media-atmel-atmel-isc-add-checks-for-limiting-frame-.patch') 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 +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 +Signed-off-by: Hans Verkuil +Signed-off-by: Mauro Carvalho Chehab +--- + 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 + -- cgit v1.2.3