From patchwork Thu Jul 20 02:19:36 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Carlos Eduardo Gallo Filho X-Patchwork-Id: 13319713 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C186C001E0 for ; Thu, 20 Jul 2023 02:22:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCE2B10E542; Thu, 20 Jul 2023 02:22:48 +0000 (UTC) Received: from knopi.disroot.org (knopi.disroot.org [178.21.23.139]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6FC1B10E542; Thu, 20 Jul 2023 02:22:46 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 11D4544536; Thu, 20 Jul 2023 04:22:45 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from knopi.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Lq6bAi6Ltqb3; Thu, 20 Jul 2023 04:22:43 +0200 (CEST) From: Carlos Eduardo Gallo Filho DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1689819763; bh=tbIuZbuKopIN9rP05CY58VoWpUlSsMuL5vfdFRjoxpM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=mHH+dStO1bZ7Rtqa0i74APuZW/rygRwwdBzP44pkvDKLipFFPps9X+x4iZlkcslh2 hoxkyrtqh76zkJgrCXDB2mc/pf2hH9LvQKufx3a3cBiAz/ZwP+qbKrl4tRDM4MeBGR eDmQ0X1ot7Rj2+sXQoZ7lkHQEcx/dJvB85E/Lm/osVK7Gr86EarAX+1V7TmV0QB+XF blMntvab1kfcoZAx3vpgy9YF6FoX6snW8TJojyWyf5bRxu6UNg+xSwDsJu0gOpW4ne b6N8ejcVHqXOpoDJGIioPsUlOi63AT9+JT4YracqOXXfgGMyHqSoJZWQSmKsp1mYQj ejfuoKxyaQIjw== To: =?utf-8?q?Andr=C3=A9_Almeida?= , Maira Canal , Arthur Grillo , Tales Aparecida , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Juha-Pekka Heikkila , =?utf-8?b?VmlsbGUgU3ly?= =?utf-8?b?asOkbMOk?= , Matt Roper , Clint Taylor , Carlos Eduardo Gallo Filho , Niranjana Vishwanathapura Date: Wed, 19 Jul 2023 23:19:36 -0300 Message-ID: <20230720021937.27124-2-gcarlos@disroot.org> In-Reply-To: <20230720021937.27124-1-gcarlos@disroot.org> References: <20230720021937.27124-1-gcarlos@disroot.org> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2 1/2] drm: Remove plane hsub/vsub alignment requirement for core helpers X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" The drm_format_info_plane_{height,width} functions was implemented using regular division for the plane size calculation, which cause issues [1][2] when used on contexts where the dimensions are misaligned with relation to the subsampling factors. So, replace the regular division by the DIV_ROUND_UP macro. This allows these functions to be used in more drivers, making further work to bring more core presence on them possible. [1] http://patchwork.freedesktop.org/patch/msgid/20170321181218.10042-3-ville.syrjala@linux.intel.com [2] https://patchwork.freedesktop.org/patch/msgid/20211026225105.2783797-2-imre.deak@intel.com Signed-off-by: Carlos Eduardo Gallo Filho --- include/drm/drm_fourcc.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h index 532ae78ca747..ccf91daa4307 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -22,6 +22,7 @@ #ifndef __DRM_FOURCC_H__ #define __DRM_FOURCC_H__ +#include #include #include @@ -279,7 +280,7 @@ int drm_format_info_plane_width(const struct drm_format_info *info, int width, if (plane == 0) return width; - return width / info->hsub; + return DIV_ROUND_UP(width, info->hsub); } /** @@ -301,7 +302,7 @@ int drm_format_info_plane_height(const struct drm_format_info *info, int height, if (plane == 0) return height; - return height / info->vsub; + return DIV_ROUND_UP(height, info->vsub); } const struct drm_format_info *__drm_format_info(u32 format);