From: "Krzysztof Hałasa" <khalasa@piap.pl> To: Philipp Zabel <p.zabel@pengutronix.de> Cc: dri-devel@lists.freedesktop.org, lkml <linux-kernel@vger.kernel.org> Subject: [PATCH] Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats Date: Mon, 07 Jun 2021 12:49:07 +0200 [thread overview] Message-ID: <m3y2bmq7a4.fsf@t19.piap.pl> (raw) Video captured in 1400x1050 resolution (bytesperline aka stride = 1408 bytes) is invalid. Fix it. Signed-off-by: Krzysztof Halasa <khalasa@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 Sieć Badawcza Łukasiewicz Przemysłowy Instytut Automatyki i Pomiarów PIAP Al. Jerozolimskie 202, 02-486 Warszawa
WARNING: multiple messages have this Message-ID (diff)
From: "Krzysztof Hałasa" <khalasa@piap.pl> To: Philipp Zabel <p.zabel@pengutronix.de> Cc: lkml <linux-kernel@vger.kernel.org>, dri-devel@lists.freedesktop.org Subject: [PATCH] Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats Date: Mon, 07 Jun 2021 12:49:07 +0200 [thread overview] Message-ID: <m3y2bmq7a4.fsf@t19.piap.pl> (raw) Video captured in 1400x1050 resolution (bytesperline aka stride = 1408 bytes) is invalid. Fix it. Signed-off-by: Krzysztof Halasa <khalasa@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 Sieć Badawcza Łukasiewicz Przemysłowy Instytut Automatyki i Pomiarów PIAP Al. Jerozolimskie 202, 02-486 Warszawa
next reply other threads:[~2021-06-07 10:49 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-07 10:49 Krzysztof Hałasa [this message] 2021-06-07 10:49 ` [PATCH] Fix i.MX IPU-v3 offset calculations for (semi)planar U/V formats Krzysztof Hałasa 2021-07-27 14:11 ` Philipp Zabel 2021-07-27 14:11 ` Philipp Zabel
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