From nobody Tue Feb 10 01:14:58 2026 Received: from relay6-d.mail.gandi.net (relay6-d.mail.gandi.net [217.70.183.198]) (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 12D2E143C50 for ; Wed, 14 Aug 2024 08:19:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.198 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723623597; cv=none; b=D/shYBS0FtnNoc29ihS5W0c612gbOXQITylR5cb0ajYUk2bhguB6IjvkdZseMKynjtoKBAQjMG5cMHcOSOBDPKFHC6tOYp5916oAGupJZcXzd0j0OQiQy36VhUZhIW1+XTX8PcIEqp1l092p/y8H77WXc/JZ4/OK4rcpZ+j82ls= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723623597; c=relaxed/simple; bh=OgrIZaRglaW9lLIYFQvj2Tj4ljYg7ePzSg0Mkmo6f9o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CUAMjg3675PVCwsgHGlvrIu+qiXk+iOVZKI4ggUV9PRJqc5eWqWvTzAtfQQGwi2kubZnlSqP/q3jJv+spKl60lH5egXQMEoByWSWwg86CK5WNLmI0J7IqhNCDxa/lWu1RsuFulEzokv8/MtZYp8c5hUZgFL9UVaemb7ik7ueLOI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=fIQCuJVY; arc=none smtp.client-ip=217.70.183.198 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="fIQCuJVY" Received: by mail.gandi.net (Postfix) with ESMTPSA id AD01CC000F; Wed, 14 Aug 2024 08:19:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1723623593; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=+XLqR/82ccZGaCcoGlm+qk8KiKsKQqQDLhoRWrH/3Qw=; b=fIQCuJVYWFiym+vsfPj9/bh1x3x0I6iIQY2PaYQDdM0HkCGOXcPXj8juqukgl6X5aXKfgS reqeIvbrYRK0IML+I5qCr2TxSqRSPNAZ3uwvV+BqewlEUxCgavcPxTSLY9Du8/LkwboydO baRYASH3yyqKv0vHuqsoPmXu52oAkBVHkCYkoK+5sEwxHpluAAUjjZzCiC1znqNNWfm72G eURm1xmd/Qj6tSid0yzrm/Nkh7yosmKmZyDGI9ZmaIXx8B7Iv9JBdLweZ/F7T118prsPt7 qSA54erw94R1RU5slvREJ7yG/28le1RXiLkz6EE5qXexcydN0O0j//NoFTaQHw== From: Louis Chauvet Date: Wed, 14 Aug 2024 10:19:40 +0200 Subject: [PATCH v2 7/8] drm/vkms: Create helper macro for YUV formats 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: <20240814-b4-new-color-formats-v2-7-8b3499cfe90e@bootlin.com> References: <20240814-b4-new-color-formats-v2-0-8b3499cfe90e@bootlin.com> In-Reply-To: <20240814-b4-new-color-formats-v2-0-8b3499cfe90e@bootlin.com> To: Rodrigo Siqueira , Melissa Wen , =?utf-8?q?Ma=C3=ADra_Canal?= , Haneen Mohammed , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie Cc: dri-devel@lists.freedesktop.org, arthurgrillo@riseup.net, 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, Louis Chauvet , 20240809-yuv-v10-0-1a7c764166f7@bootlin.com X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=openpgp-sha256; l=5213; i=louis.chauvet@bootlin.com; h=from:subject:message-id; bh=OgrIZaRglaW9lLIYFQvj2Tj4ljYg7ePzSg0Mkmo6f9o=; b=owEBbQKS/ZANAwAIASCtLsZbECziAcsmYgBmvGifM8NYxhUiKoSs23U/LpjvqGyqrDYoxHbj3 hJ7zOsBCgmJAjMEAAEIAB0WIQRPj7g/vng8MQxQWQQgrS7GWxAs4gUCZrxonwAKCRAgrS7GWxAs 4jf2EADIi8Dvo8G79mSzjEY5OGDg9gA4G5cjEl0QCIIoZLsaTjw2XYGIip37qcWZlk0+A2P9hw4 MA2+XAYPU1lKCSBA0iRiP6XXbiyq5tGUxsBsTSB/kc1biK6KwkqBCkBx52m0GuFOjzMxXvUB9kK Urzj1UYGAD3JJISTJo4h4ffS7IQQxnNCQFg0avDlKw37olEvhGAXy03WI1K5tDz+797UEwqsMOb 50oq3sRL7sggppy/lmgvF8Ywzi1jQnyRCgVPqA1rjffJQYKX9eKIxCzj2vijE5+nfLNo7MtemW3 Xceq/rnX/g5pP3Zu/v9AdQhT6xO5N4CHweS8As3CLfaGaQvvyYfqeaVqQtW+gy47RiGXeiKwYUV +afsyYzBId05zdreqlrkxOlHmeFKSGWFBD+i3NA1OnXu+dsdjrfhTqx38aODQVSH2/+FJy/KkFY LpEiWT2tLbUHOdsAaVcG45LpVJdD+IAF2ENylbSU5uN+W/L7Jb0piruF3wtCsx/GjxkaFPdFDdk 1UOhf1OxmelZdYJzNTmggFhfsuJeUIOrjpBn0g3Hb+BttgxWLXZVEqk74VvYNNlmlxhMFnWJQ40 +y53JkJQetkD1vYUnbPVpht1mXO9Rm1UInJuX/J37M13hHlqQc3F7Fzz584p936XT6fbpC/SkWo 3a9rPa9ufHETwDg== X-Developer-Key: i=louis.chauvet@bootlin.com; a=openpgp; fpr=8B7104AE9A272D6693F527F2EC1883F55E0B40A5 X-GND-Sasl: louis.chauvet@bootlin.com The callback functions for line conversion are almost identical for semi-planar formats. The generic READ_LINE_YUV_SEMIPLANAR macro generate all the required boilerplate to process a line from a semi-planar format. Signed-off-by: Louis Chauvet --- drivers/gpu/drm/vkms/vkms_formats.c | 75 ++++++++++++++++++++++++---------= ---- 1 file changed, 48 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkm= s_formats.c index 71aae2397c5f..129672a555ce 100644 --- a/drivers/gpu/drm/vkms/vkms_formats.c +++ b/drivers/gpu/drm/vkms/vkms_formats.c @@ -484,35 +484,56 @@ READ_LINE(R8_read_line, px, u8, argb_u16_from_gray8, = *px) * - Convert YUV and YVU with the same function (a column swap is needed w= hen setting up * plane->conversion_matrix) */ -static void semi_planar_yuv_read_line(const struct vkms_plane_state *plane= , int x_start, - int y_start, enum pixel_read_direction direction, int count, - struct pixel_argb_u16 out_pixel[]) -{ - u8 *y_plane; - u8 *uv_plane; - - packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, - &y_plane); - packed_pixels_addr_1x1(plane->frame_info, - x_start / plane->frame_info->fb->format->hsub, - y_start / plane->frame_info->fb->format->vsub, 1, - &uv_plane); - int step_y =3D get_block_step_bytes(plane->frame_info->fb, direction, 0); - int step_uv =3D get_block_step_bytes(plane->frame_info->fb, direction, 1); - int subsampling =3D get_subsampling(plane->frame_info->fb->format, direct= ion); - int subsampling_offset =3D get_subsampling_offset(direction, x_start, y_s= tart); - const struct conversion_matrix *conversion_matrix =3D &plane->conversion_= matrix; =20 - for (int i =3D 0; i < count; i++) { - *out_pixel =3D argb_u16_from_yuv161616(conversion_matrix, y_plane[0] * 2= 57, - uv_plane[0] * 257, uv_plane[1] * 257); - out_pixel +=3D 1; - y_plane +=3D step_y; - if ((i + subsampling_offset + 1) % subsampling =3D=3D 0) - uv_plane +=3D step_uv; - } +/** + * READ_LINE_YUV_SEMIPLANAR() - Generic generator for a read_line function= which can be used for yuv + * formats with two planes and block_w =3D=3D block_h =3D=3D 1. + * + * @function_name: Function name to generate + * @pixel_1_name: temporary pixel name for the first plane used in the @__= VA_ARGS__ parameters + * @pixel_2_name: temporary pixel name for the second plane used in the @_= _VA_ARGS__ parameters + * @pixel_1_type: Used to specify the type you want to cast the pixel poin= ter on the plane 1 + * @pixel_2_type: Used to specify the type you want to cast the pixel poin= ter on the plane 2 + * @callback: Callback to call for each pixels. This function should take + * (struct conversion_matrix*, @__VA_ARGS__) as parameter and r= eturn a pixel_argb_u16 + * @__VA_ARGS__: Argument to pass inside the callback. You can use @pixel_= 1_name and @pixel_2_name + * to access current pixel values + */ +#define READ_LINE_YUV_SEMIPLANAR(function_name, pixel_1_name, pixel_2_name= , pixel_1_type, \ + pixel_2_type, callback, ...) \ +static void function_name(const struct vkms_plane_state *plane, int x_star= t, \ + int y_start, enum pixel_read_direction direction, int count, \ + struct pixel_argb_u16 out_pixel[]) \ +{ \ + u8 *plane_1; \ + u8 *plane_2; \ + \ + packed_pixels_addr_1x1(plane->frame_info, x_start, y_start, 0, \ + &plane_1); \ + packed_pixels_addr_1x1(plane->frame_info, \ + x_start / plane->frame_info->fb->format->hsub, \ + y_start / plane->frame_info->fb->format->vsub, 1, \ + &plane_2); \ + int step_1 =3D get_block_step_bytes(plane->frame_info->fb, direction, 0);= \ + int step_2 =3D get_block_step_bytes(plane->frame_info->fb, direction, 1);= \ + int subsampling =3D get_subsampling(plane->frame_info->fb->format, direct= ion); \ + int subsampling_offset =3D get_subsampling_offset(direction, x_start, y_s= tart); \ + const struct conversion_matrix *conversion_matrix =3D &plane->conversion_= matrix; \ + \ + for (int i =3D 0; i < count; i++) { \ + pixel_1_type *(pixel_1_name) =3D (pixel_1_type *)plane_1; \ + pixel_2_type *(pixel_2_name) =3D (pixel_2_type *)plane_2; \ + *out_pixel =3D (callback)(conversion_matrix, __VA_ARGS__); \ + out_pixel +=3D 1; \ + plane_1 +=3D step_1; \ + if ((i + subsampling_offset + 1) % subsampling =3D=3D 0) \ + plane_2 +=3D step_2; \ + } \ } =20 +READ_LINE_YUV_SEMIPLANAR(YUV888_semiplanar_read_line, y, uv, u8, u8, argb_= u16_from_yuv161616, + y[0] * 257, uv[0] * 257, uv[1] * 257) + /* * This callback can be used for YUV format where each color component is * stored in a different plane (often called planar formats). It will @@ -704,7 +725,7 @@ pixel_read_line_t get_pixel_read_line_function(u32 form= at) case DRM_FORMAT_NV21: case DRM_FORMAT_NV61: case DRM_FORMAT_NV42: - return &semi_planar_yuv_read_line; + return &YUV888_semiplanar_read_line; case DRM_FORMAT_YUV420: case DRM_FORMAT_YUV422: case DRM_FORMAT_YUV444: --=20 2.44.2