[igt-dev] [PATCH i-g-t] lib/fb: Fix rgb24 to nv12 conversion

[Petri Latvala]

A typo fix in 1x2 pixel block conversion code, revealed by GCC 9

Fixes: 1c7ef3890045 ("lib: Use igt_matrix for ycbcr<->rgb conversion")
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109257
Reported-by: Martin Liska <mliska at suse.cz>
Signed-off-by: Petri Latvala <petri.latvala at intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 lib/igt_fb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/igt_fb.c b/lib/igt_fb.c
index 8244e517..5cd1829a 100644
--- a/lib/igt_fb.c
+++ b/lib/igt_fb.c
@@ -1779,7 +1779,7 @@ static void convert_rgb24_to_nv12(struct fb_convert *cvt)
 			struct igt_vec4 yuv[2];
 
 			read_rgb(&rgb[0], &rgb24[j * 8 + 0]);
-			read_rgb(&rgb[2], &rgb24[j * 8 + 0 + rgb24_stride]);
+			read_rgb(&rgb[1], &rgb24[j * 8 + 0 + rgb24_stride]);
 
 			yuv[0] = igt_matrix_transform(&m, &rgb[0]);
 			yuv[1] = igt_matrix_transform(&m, &rgb[1]);
-- 
2.19.1