diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0656-staging-vc04_services-isp-Set-the-YUV420-YVU420-form.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0656-staging-vc04_services-isp-Set-the-YUV420-YVU420-form.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0656-staging-vc04_services-isp-Set-the-YUV420-YVU420-form.patch b/target/linux/bcm27xx/patches-5.10/950-0656-staging-vc04_services-isp-Set-the-YUV420-YVU420-form.patch new file mode 100644 index 0000000000..4182788d6f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0656-staging-vc04_services-isp-Set-the-YUV420-YVU420-form.patch @@ -0,0 +1,39 @@ +From 992fc6d6d31391d2eeff80b8f7f1992fe5e40fe0 Mon Sep 17 00:00:00 2001 +From: Naushir Patuck <naush@raspberrypi.com> +Date: Tue, 29 Jun 2021 12:50:58 +0100 +Subject: [PATCH] staging: vc04_services: isp: Set the YUV420/YVU420 + format stride to 64 bytes + +The bcm2835 ISP requires the base address of all input/output planes to have 32 +byte alignment. Using a Y stride of 32 bytes would not guarantee that the V +plane would fulfil this, e.g. a height of 650 lines would mean the V plane +buffer is not 32 byte aligned for YUV420 formats. + +Having a Y stride of 64 bytes would ensure both U and V planes have a 32 byte +alignment, as the luma height will always be an even number of lines. + +Signed-off-by: Naushir Patuck <naush@raspberrypi.com> +--- + drivers/staging/vc04_services/bcm2835-isp/bcm2835-isp-fmts.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-isp/bcm2835-isp-fmts.h ++++ b/drivers/staging/vc04_services/bcm2835-isp/bcm2835-isp-fmts.h +@@ -48,7 +48,7 @@ static const struct bcm2835_isp_fmt supp + /* YUV formats */ + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 8, +- .bytesperline_align = 32, ++ .bytesperline_align = 64, + .mmal_fmt = MMAL_ENCODING_I420, + .size_multiplier_x2 = 3, + .colorspace_mask = V4L2_COLORSPACE_MASK_YUV, +@@ -57,7 +57,7 @@ static const struct bcm2835_isp_fmt supp + }, { + .fourcc = V4L2_PIX_FMT_YVU420, + .depth = 8, +- .bytesperline_align = 32, ++ .bytesperline_align = 64, + .mmal_fmt = MMAL_ENCODING_YV12, + .size_multiplier_x2 = 3, + .colorspace_mask = V4L2_COLORSPACE_MASK_YUV, |