[PATCH 4.4 37/50] [media] exynos-gsc: Do not swap cb/cr for semi planar formats

From: Greg Kroah-Hartman
Date: Fri Oct 06 2017 - 04:58:58 EST


4.4-stable review patch. If anyone has any objections, please let me know.

------------------

From: Thibault Saunier <thibault.saunier@xxxxxxxxxxxxxxx>


[ Upstream commit d7f3e33df4fbdc9855fb151f4a328ec46447e3ba ]

In the case of semi planar formats cb and cr are in the same plane
in memory, meaning that will be set to 'cb' whatever the format is,
and whatever the (packed) order of those components are.

Suggested-by: Nicolas Dufresne <nicolas.dufresne@xxxxxxxxxxxxx>
Signed-off-by: Thibault Saunier <thibault.saunier@xxxxxxxxxxxxxxx>
Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Acked-by: Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/platform/exynos-gsc/gsc-core.c | 2 --
1 file changed, 2 deletions(-)

--- a/drivers/media/platform/exynos-gsc/gsc-core.c
+++ b/drivers/media/platform/exynos-gsc/gsc-core.c
@@ -849,9 +849,7 @@ int gsc_prepare_addr(struct gsc_ctx *ctx

if ((frame->fmt->pixelformat == V4L2_PIX_FMT_VYUY) ||
(frame->fmt->pixelformat == V4L2_PIX_FMT_YVYU) ||
- (frame->fmt->pixelformat == V4L2_PIX_FMT_NV61) ||
(frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420) ||
- (frame->fmt->pixelformat == V4L2_PIX_FMT_NV21) ||
(frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420M))
swap(addr->cb, addr->cr);