[PATCH 5.10 12/29] gpu: ipu-v3: Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats

Greg Kroah-Hartman
2021-09-06T12:56:22Z

From: Krzysztof Hałasa <khalasa@piap.pl>

[ Upstream commit 7cca7c8096e2c8a4149405438329b5035d0744f0 ]

Video captured in 1400x1050 resolution (bytesperline aka stride = 1408
bytes) is invalid. Fix it.

Signed-off-by: Krzysztof Halasa <khalasa@piap.pl>
Link: https://lore.kernel.org/r/m3y2bmq7a4.fsf@t19.piap.pl
[p.zabel@pengutronix.de: added "gpu: ipu-v3:" prefix to commit description]
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/ipu-v3/ipu-cpmem.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/ipu-v3/ipu-cpmem.c b/drivers/gpu/ipu-v3/ipu-cpmem.c
index a1c85d1521f5..82b244cb313e 100644
--- a/drivers/gpu/ipu-v3/ipu-cpmem.c
+++ b/drivers/gpu/ipu-v3/ipu-cpmem.c
@@ -585,21 +585,21 @@ static const struct ipu_rgb def_bgra_16 = {
.bits_per_pixel = 16,
};

-#define Y_OFFSET(pix, x, y) ((x) + pix->width * (y))
-#define U_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * ((y) / 2) / 2) + (x) / 2)
-#define V_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * pix->height / 4) + \
- (pix->width * ((y) / 2) / 2) + (x) / 2)
-#define U2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * (y) / 2) + (x) / 2)
-#define V2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * pix->height / 2) + \
- (pix->width * (y) / 2) + (x) / 2)
-#define UV_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * ((y) / 2)) + (x))
-#define UV2_OFFSET(pix, x, y) ((pix->width * pix->height) + \
- (pix->width * y) + (x))
+#define Y_OFFSET(pix, x, y) ((x) + pix->bytesperline * (y))
+#define U_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * ((y) / 2) / 2) + (x) / 2)
+#define V_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * pix->height / 4) + \
+ (pix->bytesperline * ((y) / 2) / 2) + (x) / 2)
+#define U2_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * (y) / 2) + (x) / 2)
+#define V2_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * pix->height / 2) + \
+ (pix->bytesperline * (y) / 2) + (x) / 2)
+#define UV_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * ((y) / 2)) + (x))
+#define UV2_OFFSET(pix, x, y) ((pix->bytesperline * pix->height) + \
+ (pix->bytesperline * y) + (x))

#define NUM_ALPHA_CHANNELS 7

--
2.30.2