diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0749-media-bcm2835-unicam-Retain-packing-information-on-G.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0749-media-bcm2835-unicam-Retain-packing-information-on-G.patch | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0749-media-bcm2835-unicam-Retain-packing-information-on-G.patch b/target/linux/bcm27xx/patches-5.4/950-0749-media-bcm2835-unicam-Retain-packing-information-on-G.patch new file mode 100644 index 0000000000..1e0051be30 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0749-media-bcm2835-unicam-Retain-packing-information-on-G.patch @@ -0,0 +1,48 @@ +From de4d7e44c08c2768de4b638af09072c80f1c3fa1 Mon Sep 17 00:00:00 2001 +From: Dave Stevenson <dave.stevenson@raspberrypi.com> +Date: Tue, 19 May 2020 11:46:47 +0100 +Subject: [PATCH] media: bcm2835-unicam: Retain packing information on + G_FMT + +The change to retrieve the pixel format always on g_fmt didn't +check whether the native or unpacked version of the format +had been requested, and always returned the packed one. +Correct this so that the packing setting is retained whereever +possible. + +Fixes "9d59e89 media: bcm2835-unicam: Re-fetch mbus code from subdev +on a g_fmt call" + +Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com> +--- + .../media/platform/bcm2835/bcm2835-unicam.c | 19 +++++++++++++++++-- + 1 file changed, 17 insertions(+), 2 deletions(-) + +--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c ++++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c +@@ -974,8 +974,23 @@ static int unicam_g_fmt_vid_cap(struct f + if (!fmt) + return -EINVAL; + +- node->fmt = fmt; +- node->v_fmt.fmt.pix.pixelformat = fmt->fourcc; ++ if (node->fmt != fmt) { ++ /* ++ * The sensor format has changed so the pixelformat needs to ++ * be updated. Try and retain the packed/unpacked choice if ++ * at all possible. ++ */ ++ if (node->fmt->repacked_fourcc == ++ node->v_fmt.fmt.pix.pixelformat) ++ /* Using the repacked format */ ++ node->v_fmt.fmt.pix.pixelformat = fmt->repacked_fourcc; ++ else ++ /* Using the native format */ ++ node->v_fmt.fmt.pix.pixelformat = fmt->fourcc; ++ ++ node->fmt = fmt; ++ } ++ + *f = node->v_fmt; + + return 0; |