From nobody Tue Feb 10 06:43:05 2026 Received: from mx1.riseup.net (mx1.riseup.net [198.252.153.129]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5AA7A14262C for ; Wed, 6 Mar 2024 20:03:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.252.153.129 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709755438; cv=none; b=Y2TTmrzlOt/VmNxiIiddXyJPoIuy9gWY/dRddUF+PJIWc+IwXermYbLl+wxOBnA9qL4NPK+n1GHUwiiRuW3trbhq2tsccKIzfBNNL8yGgZTp2oVx6ed92unnJ4yj71jJiqnsAAzXsB8+0X7JfGeAzEJmZhWrAQ6YyZINDLCh/qU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709755438; c=relaxed/simple; bh=lxw3QxFzZobejKxKEX8+mofg4ioooTepWHtlSjpH3R0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sRZHySB0f54lo2DJxn+HOuQzEE9NMkMIvVbc9bOs3KCCFb8H4+B5O/iC/PRvShOMxpGi0iqRtFAPogVvenSED2SiVQBQ37oP7oqHVyFxRPIZoWUg+W85PfFEhjFTFIgLwgrZRZ4IaZ9RZ5Ud7UpU7OzKCRJWYfD7XRK9W2A7Yio= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riseup.net; spf=pass smtp.mailfrom=riseup.net; dkim=pass (1024-bit key) header.d=riseup.net header.i=@riseup.net header.b=RlVxsnWt; arc=none smtp.client-ip=198.252.153.129 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=riseup.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=riseup.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=riseup.net header.i=@riseup.net header.b="RlVxsnWt" Received: from fews02-sea.riseup.net (fews02-sea-pn.riseup.net [10.0.1.112]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx1.riseup.net (Postfix) with ESMTPS id 4Tqk0D1269zDqnY; Wed, 6 Mar 2024 20:03:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=riseup.net; s=squak; t=1709755436; bh=lxw3QxFzZobejKxKEX8+mofg4ioooTepWHtlSjpH3R0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RlVxsnWte279ebXZibAtjR9pOGDVso/R7VgRzLkblD8VIL4niqiIjxvrqbEunxvGz sLWW0OIMdaMezuRqUcq3fB9BzUzLMXmZRzTIKTKJsihbp+NMW4ks27kZgeaOlPmaIS nkoLmtePaKtThw/RhDILptqtomD8EPXZW80muxV8= X-Riseup-User-ID: 4C9406F16155A317FE8B2D2AC996CC510B513A647C5017F16AE00E0AAB1FE21C Received: from [127.0.0.1] (localhost [127.0.0.1]) by fews02-sea.riseup.net (Postfix) with ESMTPSA id 4Tqk065SYfzFvr9; Wed, 6 Mar 2024 20:03:50 +0000 (UTC) From: Arthur Grillo Date: Wed, 06 Mar 2024 17:03:12 -0300 Subject: [PATCH 5/7] drm/vkms: Add comments to format tests Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240306-louis-vkms-conv-v1-5-5bfe7d129fdd@riseup.net> References: <20240306-louis-vkms-conv-v1-0-5bfe7d129fdd@riseup.net> In-Reply-To: <20240306-louis-vkms-conv-v1-0-5bfe7d129fdd@riseup.net> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , arthurgrillo@riseup.net, Jonathan Corbet , pekka.paalanen@haloniitty.fi, Louis Chauvet Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, jeremie.dautheribes@bootlin.com, miquel.raynal@bootlin.com, thomas.petazzoni@bootlin.com, seanpaul@google.com, marcheu@google.com, nicolejadeyee@google.com Signed-off-by: Arthur Grillo --- drivers/gpu/drm/vkms/tests/vkms_format_test.c | 67 +++++++++++++++++++++++= ++++ 1 file changed, 67 insertions(+) diff --git a/drivers/gpu/drm/vkms/tests/vkms_format_test.c b/drivers/gpu/dr= m/vkms/tests/vkms_format_test.c index 3522ecee960f..66cdd83c3d25 100644 --- a/drivers/gpu/drm/vkms/tests/vkms_format_test.c +++ b/drivers/gpu/drm/vkms/tests/vkms_format_test.c @@ -24,7 +24,24 @@ struct yuv_u8_to_argb_u16_case { } colors[TEST_BUFF_SIZE]; }; =20 +/* + * The YUV color representation were acquired via the colour python framew= ork. + * Below are the function calls used for generating each case. + * + * for more information got to the docs: + * https://colour.readthedocs.io/en/master/generated/colour.RGB_to_YCbCr.h= tml + */ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16_cases[] =3D { + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits =3D 16, + * in_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D False, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT601, .range =3D DRM_COLOR_YCBCR_FULL_RANGE, @@ -38,6 +55,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16= _cases[] =3D { {"blue", {0x1d, 0xff, 0x6b}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.601"], + * in_bits =3D 16, + * in_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D True, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT601, .range =3D DRM_COLOR_YCBCR_LIMITED_RANGE, @@ -51,6 +78,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u16= _cases[] =3D { {"blue", {0x29, 0xf0, 0x6e}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits =3D 16, + * in_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D False, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT709, .range =3D DRM_COLOR_YCBCR_FULL_RANGE, @@ -64,6 +101,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u1= 6_cases[] =3D { {"blue", {0x12, 0xff, 0x74}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.709"], + * in_bits =3D 16, + * int_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D True, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT709, .range =3D DRM_COLOR_YCBCR_LIMITED_RANGE, @@ -77,6 +124,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u1= 6_cases[] =3D { {"blue", {0x20, 0xf0, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits =3D 16, + * in_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D False, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT2020, .range =3D DRM_COLOR_YCBCR_FULL_RANGE, @@ -90,6 +147,16 @@ static struct yuv_u8_to_argb_u16_case yuv_u8_to_argb_u1= 6_cases[] =3D { {"blue", {0x0f, 0xff, 0x76}, {0xffff, 0x0000, 0x0000, 0xffff}}, }, }, + /* + * colour.RGB_to_YCbCr(, + * K=3Dcolour.WEIGHTS_YCBCR["ITU-R BT.2020"], + * in_bits =3D 16, + * in_legal =3D False, + * in_int =3D True, + * out_bits =3D 8, + * out_legal =3D True, + * out_int =3D True) + */ { .encoding =3D DRM_COLOR_YCBCR_BT2020, .range =3D DRM_COLOR_YCBCR_LIMITED_RANGE, --=20 2.43.0