From patchwork Wed Jul 1 21:56:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jonas Karlman X-Patchwork-Id: 11637403 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 454E514E3 for ; Wed, 1 Jul 2020 22:01:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28619207E8 for ; Wed, 1 Jul 2020 22:01:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kwiboo.se header.i=@kwiboo.se header.b="Kcvik/5c" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727840AbgGAWB1 (ORCPT ); Wed, 1 Jul 2020 18:01:27 -0400 Received: from o1.b.az.sendgrid.net ([208.117.55.133]:26298 "EHLO o1.b.az.sendgrid.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727112AbgGAWB0 (ORCPT ); Wed, 1 Jul 2020 18:01:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=from:subject:in-reply-to:references:to:cc:content-type: content-transfer-encoding; s=001; bh=7H3DbOIR6DWUdA/y3YLDXdf//aCB9yI7dsoADDEwozU=; b=Kcvik/5cXSTLA53WDTTVMGXhxNHcp5acdMhICJ2UqO8KfvhWBqBg0rqI8IKX5+iCS4Yd T8oMHrbtUN5VANPskoLjqXlHz4mbcwNCTZj4vpSQWcIAX4PhBBHhMn+y8Fvf8EtEqYSREL wdAVPVlIfVDOybau5IIn6pB03edoSlPWk= Received: by filterdrecv-p3iad2-5b55dcd864-n2v2l with SMTP id filterdrecv-p3iad2-5b55dcd864-n2v2l-20-5EFD0686-43 2020-07-01 21:56:22.80847321 +0000 UTC m=+449226.666074437 Received: from bionic.localdomain (unknown) by ismtpd0001p1lon1.sendgrid.net (SG) with ESMTP id EUQFfvG1TEmNXhiQgqGLxw Wed, 01 Jul 2020 21:56:22.550 +0000 (UTC) From: Jonas Karlman Subject: [PATCH 5/9] media: v4l2-common: Add helpers to calculate bytesperline and sizeimage Date: Wed, 01 Jul 2020 21:56:22 +0000 (UTC) Message-Id: <20200701215616.30874-6-jonas@kwiboo.se> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200701215616.30874-1-jonas@kwiboo.se> References: <20200701215616.30874-1-jonas@kwiboo.se> X-SG-EID: TdbjyGynYnRZWhH+7lKUQJL+ZxmxpowvO2O9SQF5CwCVrYgcwUXgU5DKUU3QxAfZekEeQsTe+RrMu3cja6a0h0uPT0Fcu4aS/JELxzmlrelv/RxNNGKdLUb6zfjLL5hY9lxvy0FnaZCcmavxY0dPQ+1i1s4MfBxbGo/rSq9p+VL870UklDZXWdviC6ghk3PqEetIddIit+QBxSQbEVgJxL596hahcSL3TclL2WTWy6kAZ4EwDpLNqwSnMD+JYgdmLCL8v7Z7I5zW0iycnVAcew== To: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Jonas Karlman , Ezequiel Garcia , Hans Verkuil , Nicolas Dufresne , Tomasz Figa , Alexandre Courbot Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add helper functions to calculate plane bytesperline and sizeimage, these new helpers consider block width and height when calculating plane bytesperline and sizeimage. This prepare support for new pixel formats added in next patch that make use of block width and height. Signed-off-by: Jonas Karlman --- drivers/media/v4l2-core/v4l2-common.c | 77 +++++++++++++-------------- 1 file changed, 38 insertions(+), 39 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-core/v4l2-common.c index 3dc17ebe14fa..4102c373b48a 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -333,6 +333,33 @@ static inline unsigned int v4l2_format_block_height(const struct v4l2_format_inf return info->block_h[plane]; } +static inline unsigned int v4l2_format_plane_width(const struct v4l2_format_info *info, int plane, + unsigned int width) +{ + unsigned int hdiv = plane ? info->hdiv : 1; + unsigned int bytes = DIV_ROUND_UP(width * info->bpp[plane], + v4l2_format_block_width(info, plane) * + v4l2_format_block_height(info, plane)); + + return DIV_ROUND_UP(bytes, hdiv); +} + +static inline unsigned int v4l2_format_plane_height(const struct v4l2_format_info *info, int plane, + unsigned int height) +{ + unsigned int vdiv = plane ? info->vdiv : 1; + unsigned int lines = ALIGN(height, v4l2_format_block_height(info, plane)); + + return DIV_ROUND_UP(lines, vdiv); +} + +static inline unsigned int v4l2_format_plane_size(const struct v4l2_format_info *info, int plane, + unsigned int width, unsigned int height) +{ + return v4l2_format_plane_width(info, plane, width) * + v4l2_format_plane_height(info, plane, height); +} + void v4l2_apply_frmsize_constraints(u32 *width, u32 *height, const struct v4l2_frmsize_stepwise *frmsize) { @@ -368,37 +395,19 @@ int v4l2_fill_pixfmt_mp(struct v4l2_pix_format_mplane *pixfmt, if (info->mem_planes == 1) { plane = &pixfmt->plane_fmt[0]; - plane->bytesperline = ALIGN(width, v4l2_format_block_width(info, 0)) * info->bpp[0]; + plane->bytesperline = v4l2_format_plane_width(info, 0, width); plane->sizeimage = 0; - for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - - plane->sizeimage += info->bpp[i] * - DIV_ROUND_UP(aligned_width, hdiv) * - DIV_ROUND_UP(aligned_height, vdiv); - } + for (i = 0; i < info->comp_planes; i++) + plane->sizeimage += + v4l2_format_plane_size(info, i, width, height); } else { for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - plane = &pixfmt->plane_fmt[i]; plane->bytesperline = - info->bpp[i] * DIV_ROUND_UP(aligned_width, hdiv); - plane->sizeimage = - plane->bytesperline * DIV_ROUND_UP(aligned_height, vdiv); + v4l2_format_plane_width(info, i, width); + plane->sizeimage = plane->bytesperline * + v4l2_format_plane_height(info, i, height); } } return 0; @@ -422,22 +431,12 @@ int v4l2_fill_pixfmt(struct v4l2_pix_format *pixfmt, u32 pixelformat, pixfmt->width = width; pixfmt->height = height; pixfmt->pixelformat = pixelformat; - pixfmt->bytesperline = ALIGN(width, v4l2_format_block_width(info, 0)) * info->bpp[0]; + pixfmt->bytesperline = v4l2_format_plane_width(info, 0, width); pixfmt->sizeimage = 0; - for (i = 0; i < info->comp_planes; i++) { - unsigned int hdiv = (i == 0) ? 1 : info->hdiv; - unsigned int vdiv = (i == 0) ? 1 : info->vdiv; - unsigned int aligned_width; - unsigned int aligned_height; - - aligned_width = ALIGN(width, v4l2_format_block_width(info, i)); - aligned_height = ALIGN(height, v4l2_format_block_height(info, i)); - - pixfmt->sizeimage += info->bpp[i] * - DIV_ROUND_UP(aligned_width, hdiv) * - DIV_ROUND_UP(aligned_height, vdiv); - } + for (i = 0; i < info->comp_planes; i++) + pixfmt->sizeimage += + v4l2_format_plane_size(info, i, width, height); return 0; } EXPORT_SYMBOL_GPL(v4l2_fill_pixfmt);