Attachment 143069 Details for Bug 109257 – 0001-lib-fb-Fix-rgb24-to-nv12-conversion-once-more.patch

[patch] 0001-lib-fb-Fix-rgb24-to-nv12-conversion-once-more.patch

0001-lib-fb-Fix-rgb24-to-nv12-conversion-once-more.patch (text/plain), 1.10 KB, created by Stefan Dirsch on 2019-01-11 12:00:04 UTC

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Creator: Stefan Dirsch

Created: 2019-01-11 12:00:04 UTC

Size: 1.10 KB

patch

obsolete

>From e2d6c53af0881e2429e3b2fd60a3fe5862642e25 Mon Sep 17 00:00:00 2001
>From: Stefan Dirsch <sndirsch@suse.de>
>Date: Fri, 11 Jan 2019 12:49:56 +0100
>Subject: [PATCH] lib/fb: Fix rgb24 to nv12 conversion (once more)
>
>One more fix in 1x2 pixel block conversion code, originally revealed by GCC 9
>Fixes: 1c7ef3890045 ("lib: Use igt_matrix for ycbcr<->rgb conversion")
>Fixes: f01796214bbd ("lib/fb: Fix rgb24 to nv12 conversion")
>Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109257
>Reported-by: Martin Liska <mliska@suse.cz>
>Signed-off-by: Stefan Dirsch <sndirsch@suse.de>
>---
> 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 5cd1829a..f3fe43fb 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[1], &rgb24[j * 8 + 0 + rgb24_stride]);
>+			read_rgb(&rgb[1], &rgb24[j * 8 + 4]);
> 
> 			yuv[0] = igt_matrix_transform(&m, &rgb[0]);
> 			yuv[1] = igt_matrix_transform(&m, &rgb[1]);
>-- 
>2.16.4
>

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