[PATCH] Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats

[Krzysztof Hałasa]

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

Signed-off-by: Krzysztof Halasa <khal...@piap.pl>

--- 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
 

-- 
Krzysztof Hałasa

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