From nobody Mon Feb 9 17:08:55 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=none dis=none) header.from=suse.de ARC-Seal: i=1; a=rsa-sha256; t=1755765259; cv=none; d=zohomail.com; s=zohoarc; b=ftbyk6Vc17SqExHqatUqBKDZ9zcd+geWuQYx7S8x21Bf0JVYTxKpNTVUbBqVX9eZLHMiEjv84KnxrquNC49BxdhzpiATIcG41o9M1WrU71kimq5yPHMnNI8TEFrz9NG5+jikFma0JR5fD6je9aUsjZBO3pWxkLJZEiQdUmm5MIY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1755765259; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=poQ7C1VCsw7aM0EcfCcWX93Ll0/l4nTwPTwAPzmeB+U=; b=aABhDrr45GlnP7R+uTmai0X9hMIKQwdmFPlfqrSxWApgaXEGj6eDHGMCrLtpyh5MgUVhX1iZkKPoFCJ2xjyHKwGvv9puDMzZS40LzgCpGuXucOQDrcLWrVZNJ44SG9+AS6EEvN+vCcpqE1CG1qsnq8zJRBaQPjBIDTGRqnUyyic= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1755765259063432.48870249015374; Thu, 21 Aug 2025 01:34:19 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1088069.1445891 (Exim 4.92) (envelope-from ) id 1up0kJ-0004U8-TN; Thu, 21 Aug 2025 08:34:07 +0000 Received: by outflank-mailman (output) from mailman id 1088069.1445891; Thu, 21 Aug 2025 08:34:07 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1up0kJ-0004U1-PT; Thu, 21 Aug 2025 08:34:07 +0000 Received: by outflank-mailman (input) for mailman id 1088069; Thu, 21 Aug 2025 08:34:06 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1up0ZC-0001aB-Sy for xen-devel@lists.xenproject.org; Thu, 21 Aug 2025 08:22:38 +0000 Received: from smtp-out1.suse.de (smtp-out1.suse.de [2a07:de40:b251:101:10:150:64:1]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id fed4454f-7e67-11f0-b898-0df219b8e170; Thu, 21 Aug 2025 10:22:37 +0200 (CEST) Received: from imap1.dmz-prg2.suse.org (imap1.dmz-prg2.suse.org [IPv6:2a07:de40:b281:104:10:150:64:97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 8508C22647; Thu, 21 Aug 2025 08:22:18 +0000 (UTC) Received: from imap1.dmz-prg2.suse.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by imap1.dmz-prg2.suse.org (Postfix) with ESMTPS id 0121413AB7; Thu, 21 Aug 2025 08:22:17 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id yBmxOjnXpmhzEwAAD6G6ig (envelope-from ); Thu, 21 Aug 2025 08:22:17 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: fed4454f-7e67-11f0-b898-0df219b8e170 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1755764538; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=poQ7C1VCsw7aM0EcfCcWX93Ll0/l4nTwPTwAPzmeB+U=; b=Yfp+a1a9SgVPnjsRGFiqns3Sq9QPQtvDEhdH73T8C9z4PuAA+Luwv5Txd6mySnhlQT/oV1 N13gv49c66vT6jhQl39PoCM0AU0znPEStglrxgpLeeOTuq+sq4QMj+uXQJNz8NFBkyfxxx A9e08W6aKs3zp4RUYYl+86MKx4kNAXw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764538; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=poQ7C1VCsw7aM0EcfCcWX93Ll0/l4nTwPTwAPzmeB+U=; b=Jeh8Tiuvokw72qh/UAOTEDH4tn/SpL5QbEI+OanMljgUyfcHwdhqAsE/86H/Nt0dJ4Ndkd ZqdL+8qQh3yn3YDw== Authentication-Results: smtp-out1.suse.de; dkim=pass header.d=suse.de header.s=susede2_rsa header.b=Yfp+a1a9; dkim=pass header.d=suse.de header.s=susede2_ed25519 header.b=Jeh8Tiuv DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1755764538; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=poQ7C1VCsw7aM0EcfCcWX93Ll0/l4nTwPTwAPzmeB+U=; b=Yfp+a1a9SgVPnjsRGFiqns3Sq9QPQtvDEhdH73T8C9z4PuAA+Luwv5Txd6mySnhlQT/oV1 N13gv49c66vT6jhQl39PoCM0AU0znPEStglrxgpLeeOTuq+sq4QMj+uXQJNz8NFBkyfxxx A9e08W6aKs3zp4RUYYl+86MKx4kNAXw= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764538; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=poQ7C1VCsw7aM0EcfCcWX93Ll0/l4nTwPTwAPzmeB+U=; b=Jeh8Tiuvokw72qh/UAOTEDH4tn/SpL5QbEI+OanMljgUyfcHwdhqAsE/86H/Nt0dJ4Ndkd ZqdL+8qQh3yn3YDw== From: Thomas Zimmermann To: simona@ffwll.ch, airlied@gmail.com, mripard@kernel.org, maarten.lankhorst@linux.intel.com, geert@linux-m68k.org, tomi.valkeinen@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, Thomas Zimmermann , Sui Jingfeng Subject: [PATCH v6 11/25] drm/loongson: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:18 +0200 Message-ID: <20250821081918.79786-12-tzimmermann@suse.de> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250821081918.79786-1-tzimmermann@suse.de> References: <20250821081918.79786-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-1.51 / 50.00]; BAYES_HAM(-3.00)[100.00%]; SUSPICIOUS_RECIPS(1.50)[]; MID_CONTAINS_FROM(1.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; R_MISSING_CHARSET(0.50)[]; R_DKIM_ALLOW(-0.20)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MX_GOOD(-0.01)[]; FREEMAIL_TO(0.00)[ffwll.ch,gmail.com,kernel.org,linux.intel.com,linux-m68k.org,ideasonboard.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_RATELIMITED(0.00)[rspamd.com]; ARC_NA(0.00)[]; RCPT_COUNT_TWELVE(0.00)[22]; MIME_TRACE(0.00)[0:+]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:mid,suse.de:dkim,suse.de:email]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; R_RATELIMIT(0.00)[to_ip_from(RLqtkr6cif1ebgurukgmwdm7xc)]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DKIM_TRACE(0.00)[suse.de:+]; TO_DN_SOME(0.00)[]; RCVD_TLS_ALL(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com] X-Spam-Flag: NO X-Spam-Level: X-Rspamd-Queue-Id: 8508C22647 X-Rspamd-Server: rspamd2.dmz-prg2.suse.org X-Rspamd-Action: no action X-Spam-Score: -1.51 X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1755765260638124100 Content-Type: text/plain; charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. Align the pitch according to hardware requirements. Signed-off-by: Thomas Zimmermann Reviewed-by: Sui Jingfeng Cc: Sui Jingfeng --- drivers/gpu/drm/loongson/lsdc_gem.c | 29 ++++++++--------------------- 1 file changed, 8 insertions(+), 21 deletions(-) diff --git a/drivers/gpu/drm/loongson/lsdc_gem.c b/drivers/gpu/drm/loongson= /lsdc_gem.c index a720d8f53209..9f982b85301f 100644 --- a/drivers/gpu/drm/loongson/lsdc_gem.c +++ b/drivers/gpu/drm/loongson/lsdc_gem.c @@ -6,6 +6,7 @@ #include =20 #include +#include #include #include #include @@ -204,45 +205,31 @@ int lsdc_dumb_create(struct drm_file *file, struct dr= m_device *ddev, const struct lsdc_desc *descp =3D ldev->descp; u32 domain =3D LSDC_GEM_DOMAIN_VRAM; struct drm_gem_object *gobj; - size_t size; - u32 pitch; - u32 handle; int ret; =20 - if (!args->width || !args->height) - return -EINVAL; - - if (args->bpp !=3D 32 && args->bpp !=3D 16) - return -EINVAL; - - pitch =3D args->width * args->bpp / 8; - pitch =3D ALIGN(pitch, descp->pitch_align); - size =3D pitch * args->height; - size =3D ALIGN(size, PAGE_SIZE); + ret =3D drm_mode_size_dumb(ddev, args, descp->pitch_align, 0); + if (ret) + return ret; =20 /* Maximum single bo size allowed is the half vram size available */ - if (size > ldev->vram_size / 2) { - drm_err(ddev, "Requesting(%zuMiB) failed\n", size >> 20); + if (args->size > ldev->vram_size / 2) { + drm_err(ddev, "Requesting(%zuMiB) failed\n", (size_t)(args->size >> PAGE= _SHIFT)); return -ENOMEM; } =20 - gobj =3D lsdc_gem_object_create(ddev, domain, size, false, NULL, NULL); + gobj =3D lsdc_gem_object_create(ddev, domain, args->size, false, NULL, NU= LL); if (IS_ERR(gobj)) { drm_err(ddev, "Failed to create gem object\n"); return PTR_ERR(gobj); } =20 - ret =3D drm_gem_handle_create(file, gobj, &handle); + ret =3D drm_gem_handle_create(file, gobj, &args->handle); =20 /* drop reference from allocate, handle holds it now */ drm_gem_object_put(gobj); if (ret) return ret; =20 - args->pitch =3D pitch; - args->size =3D size; - args->handle =3D handle; - return 0; } =20 --=20 2.50.1