From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=66.187.233.73; helo=mx1.redhat.com; envelope-from=kraxel@redhat.com; receiver=edk2-devel@lists.01.org Received: from mx1.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id A6CF8226612B8 for ; Wed, 25 Apr 2018 05:11:07 -0700 (PDT) Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id EEE07406C745 for ; Wed, 25 Apr 2018 12:11:06 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-113.ams2.redhat.com [10.36.116.113]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8ECEA111CB9C; Wed, 25 Apr 2018 12:11:04 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id CCAF840DDC; Wed, 25 Apr 2018 14:10:59 +0200 (CEST) From: Gerd Hoffmann To: edk2-devel@lists.01.org Date: Wed, 25 Apr 2018 14:10:55 +0200 Message-Id: <20180425121055.19688-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 25 Apr 2018 12:11:06 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 25 Apr 2018 12:11:06 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kraxel@redhat.com' RCPT:'' Subject: [PATCH] QemuVideoDxe: round up FrameBufferSize to full page X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Apr 2018 12:11:07 -0000 Guests do the same, because the framebuffer is mapped somewhere, which obviously works with page granularity only. When not rounding up to full page size we get messages like this one (linux kernel): efifb: framebuffer at 0x80000000, using 1876k, total 1875k ^^^^^ ^^^^^ Also sysfb is confused and throws an error: sysfb: VRAM smaller than advertised Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Gerd Hoffmann --- OvmfPkg/QemuVideoDxe/Gop.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/OvmfPkg/QemuVideoDxe/Gop.c b/OvmfPkg/QemuVideoDxe/Gop.c index d51efc2a83..2bd905efea 100644 --- a/OvmfPkg/QemuVideoDxe/Gop.c +++ b/OvmfPkg/QemuVideoDxe/Gop.c @@ -69,6 +69,8 @@ QemuVideoCompleteModeData ( Mode->FrameBufferBase = FrameBufDesc->AddrRangeMin; Mode->FrameBufferSize = Info->HorizontalResolution * Info->VerticalResolution; Mode->FrameBufferSize = Mode->FrameBufferSize * ((ModeData->ColorDepth + 7) / 8); + Mode->FrameBufferSize = + (Mode->FrameBufferSize + EFI_PAGE_SIZE - 1) & ~EFI_PAGE_MASK; DEBUG ((EFI_D_INFO, "FrameBufferBase: 0x%Lx, FrameBufferSize: 0x%Lx\n", Mode->FrameBufferBase, (UINT64)Mode->FrameBufferSize)); -- 2.9.3