From nobody Sun May 19 06:04:45 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1591471900; cv=none; d=zohomail.com; s=zohoarc; b=E6rTluduRoW+r8tIAxySYjdonE0+xbu/DySQKt5WrOf/lFq03wUoaV5R5GV/iq1b+/4H9qEpVtcSFqmWZyH6Kkn6l5MXqU2Z+t/DWAn7dPQar9IwpdyJ8HyPJkzz2x4k/CXAEKrf0iRLQYf66gvJq6r55iIBFr3gmPK8rsO/saM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1591471900; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=4y2lSy+LiTZZrsXWx8J2pr8G/3FqRfyTgjSCy2C1YOQ=; b=RhwRKVll3DeZy9vG7wbvVpcuXtiFa8/EDK1oK7UXAk8r7qFnsh+WJf61ItrbVq16KAtTaH3NRMsB8ZnUqapbJrZTIa6S89OR2qg/KVz+mhyuLk+InhyCYrWmNofU/zGhtSHT0Xzcs+bD2mBJD+kYL3RTy4wBpXTYGm+L8ZPFFLM= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1591471900246232.52285323933256; Sat, 6 Jun 2020 12:31:40 -0700 (PDT) Received: from localhost ([::1]:55422 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jheXb-0006EG-0o for importer@patchew.org; Sat, 06 Jun 2020 15:31:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41280) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP8-0007QJ-Ie for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:30178) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP6-0006Gy-Mq for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id EFEFE748DD0; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 773C7746333; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 1/4] sm501: Fix bounds checks Date: Sat, 06 Jun 2020 21:17:36 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Sebastian Bauer , Magnus Damm , Gerd Hoffmann , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We don't need to add width to pitch when calculating last point, that would reject valid ops within the card's local_mem. Fixes: b15a22bbcbe6a78dc3d88fe3134985e4cdd87de4 Signed-off-by: BALATON Zoltan Reviewed-by: Peter Maydell --- hw/display/sm501.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index edd8d24a76..5ae320ddc3 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -723,8 +723,8 @@ static void sm501_2d_operation(SM501State *s) dst_y -=3D height - 1; } =20 - if (dst_base >=3D get_local_mem_size(s) || dst_base + - (dst_x + width + (dst_y + height) * (dst_pitch + width)) * + if (dst_base >=3D get_local_mem_size(s) || + dst_base + (dst_x + width + (dst_y + height) * dst_pitch) * (1 << format) >=3D get_local_mem_size(s)) { qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op dest is outside vram.= \n"); return; @@ -749,8 +749,8 @@ static void sm501_2d_operation(SM501State *s) src_y -=3D height - 1; } =20 - if (src_base >=3D get_local_mem_size(s) || src_base + - (src_x + width + (src_y + height) * (src_pitch + width)) * + if (src_base >=3D get_local_mem_size(s) || + src_base + (src_x + width + (src_y + height) * src_pitch) * (1 << format) >=3D get_local_mem_size(s)) { qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op src is outside vram.\n"); --=20 2.21.3 From nobody Sun May 19 06:04:45 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1591471979; cv=none; d=zohomail.com; s=zohoarc; b=KAE2HUG0ItoAfw4oVHLftcTxMTFR780XsGBEPigFLO14ManTfqaeOwzn3pPNtxjuoXM5gL/Guk4bemnRoeVWD6OZhEXtjhVyvuXkiwDa+LijJIpKR7owjFp68drmatyFaqcb+jBuPim8ziQz9zlo4+B/4qxSLjwZlGUWRZiOHKw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1591471979; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=gL2z3Cb1wrOWNRwN+3pnpUsTQHa99jo96cTq3HWZJzk=; b=PdBR/49Vn1FvTSeyZ1vV8KyqcS8kDQyHomn0oOvNis9OrmPIEYxJkowAM/KDysTqfhNTviDryx6XFYCqg5dVzYk/wcd8BCsRo1KfdiWrzuAgLkULSavzkbp8cF0ohxOMOGWyCe1GhQdr1DXSTohwSzAkGfHifGSPp/zXl09XTFs= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 15914719794441004.1889359458686; Sat, 6 Jun 2020 12:32:59 -0700 (PDT) Received: from localhost ([::1]:58024 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jheYs-0007OQ-22 for importer@patchew.org; Sat, 06 Jun 2020 15:32:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41284) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP8-0007QV-MF for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:30184) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP7-0006Gz-AV for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 02789748DD1; Sat, 6 Jun 2020 21:22:43 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 7DBD2746331; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Message-Id: <7a818701887a77af17995aa062b37f92ffc3d2eb.1591471056.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 2/4] sm501: Drop unneded variable Date: Sat, 06 Jun 2020 21:17:36 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Sebastian Bauer , Magnus Damm , Gerd Hoffmann , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" We don't need a separate variable to keep track if we allocated memory that needs to be freed as we can test the pointer itself. Signed-off-by: BALATON Zoltan Reviewed-by: Peter Maydell --- hw/display/sm501.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 5ae320ddc3..85d54b598f 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -796,13 +796,12 @@ static void sm501_2d_operation(SM501State *s) de =3D db + width + height * (width + dst_pitch); if (rtl && ((db >=3D sb && db <=3D se) || (de >=3D sb && de <= =3D se))) { /* regions may overlap: copy via temporary */ - int free_buf =3D 0, llb =3D width * (1 << format); + int llb =3D width * (1 << format); int tmp_stride =3D DIV_ROUND_UP(llb, sizeof(uint32_t)); uint32_t *tmp =3D tmp_buf; =20 if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_bu= f)) { tmp =3D g_malloc(tmp_stride * sizeof(uint32_t) * heigh= t); - free_buf =3D 1; } pixman_blt((uint32_t *)&s->local_mem[src_base], tmp, src_pitch * (1 << format) / sizeof(uint32_t), @@ -813,7 +812,7 @@ static void sm501_2d_operation(SM501State *s) dst_pitch * (1 << format) / sizeof(uint32_t), 8 * (1 << format), 8 * (1 << format), 0, 0, dst_x, dst_y, width, height); - if (free_buf) { + if (tmp !=3D tmp_buf) { g_free(tmp); } } else { --=20 2.21.3 From nobody Sun May 19 06:04:45 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1591471547; cv=none; d=zohomail.com; s=zohoarc; b=ADPZHkzrRFMtyoupsCfZPr/k2MyHweqDB/H8cfJdcKFHMTm/1MW2xm38oh8lDLGGBBpdyhwHUVG9z+dUgKwyhpmPvHwI0DCPi61l/AAVucayof/eYlGonyCR1Qn3hkNIPb/fS/y+vqGKJ3PqQSIl0idMA/AV3bT4wS1vuxLkuCk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1591471547; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=mA5oQQ5RTadjtGGaGp+5NHoYWMhQiAV4Iu5BasKoFV8=; b=ZBIYUzCblmOGTLAAgJLoDAQFGRG7LHtcJ6wIKoT6I8yOs7wPq/ENTUGwOOkSs5/3E/TD487OUIlEGUIts8X2vnKYCmJZwYrldkhwvD/YD4hGJXhGQNIYoqsWoI3y1vbzBtMsm6Fi/JHC65u+8f2/V6WGfKzm/NBHG2rgFQM16GU= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1591471546856129.59982080738052; Sat, 6 Jun 2020 12:25:46 -0700 (PDT) Received: from localhost ([::1]:45618 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jheRt-0001rH-Kd for importer@patchew.org; Sat, 06 Jun 2020 15:25:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41286) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP9-0007RL-JF for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:55 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]:30190) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP7-0006H0-BP for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:55 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 05464746307; Sat, 6 Jun 2020 21:22:43 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 82CCC7482C8; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 3/4] sm501: Ignore no-op blits Date: Sat, 06 Jun 2020 21:17:36 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=152.66.115.2; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/06 15:22:43 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Sebastian Bauer , Magnus Damm , Gerd Hoffmann , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Some guests seem to try source copy blits with same source and dest which are no-op so avoid calling pixman for these. Signed-off-by: BALATON Zoltan Reviewed-by: Peter Maydell --- hw/display/sm501.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 85d54b598f..3397ca9fbf 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -788,6 +788,11 @@ static void sm501_2d_operation(SM501State *s) (rop2_source_is_pattern ? " with pattern source" : "")); } + /* Ignore no-op blits, some guests seem to do this */ + if (src_base =3D=3D dst_base && src_pitch =3D=3D dst_pitch && + src_x =3D=3D dst_x && src_y =3D=3D dst_y) { + break; + } /* Check for overlaps, this could be made more exact */ uint32_t sb, se, db, de; sb =3D src_base + src_x + src_y * (width + src_pitch); --=20 2.21.3 From nobody Sun May 19 06:04:45 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1591471433; cv=none; d=zohomail.com; s=zohoarc; b=FwKOadTwy1o54bkIf6pP1QHh3rJoYLpBxhyheph+IN5UwcbKchcIvPkn3zT5goVIIeEjcb8O1JiDZhU2fNT6zUXj1A3GyOSEjpWAVOUFFINGG8FSbj9K2L0fPURb3NbWzUxEyCNWS5CLW5KiBA5WHNvU37IB0jfZX6nh66LiY0o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1591471433; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=tNdqgjuv5p4EkwFpvwgiE8d9svILRtZ0dHCK6++Enog=; b=L8GQh9KmrOmPHTT/siZkvxoAWdVO107oGckivcaxqYSjGgX2qECoMTmX5IdjST7BD/Ikt8m02ad1SGcD1MlCB0Yb9ZeG6M/2IWMjMOdoYJhnwIUWNv50/MJK0r63pC9L1JddAQhSgmBGAf6+27I7NBqRvYcXRLdwN52AqH5/3M4= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1591471432612875.9807286984475; Sat, 6 Jun 2020 12:23:52 -0700 (PDT) Received: from localhost ([::1]:40910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jheQ3-0008AT-Ao for importer@patchew.org; Sat, 06 Jun 2020 15:23:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41282) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP8-0007QN-Nk for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:30170) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jheP7-0006H4-B9 for qemu-devel@nongnu.org; Sat, 06 Jun 2020 15:22:54 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id C773C748DCC; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id 8721A7482CE; Sat, 6 Jun 2020 21:22:42 +0200 (CEST) Message-Id: <9fab4fe6513fe8b921ce86a57f4ff7e0d5a3c3f9.1591471056.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH 4/4] sm501: Optimise 1 pixel 2d ops Date: Sat, 06 Jun 2020 21:17:36 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: qemu-devel@nongnu.org X-Spam-Probability: 8% Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2001:738:2001:2001::2001; envelope-from=balaton@eik.bme.hu; helo=zero.eik.bme.hu X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Sebastian Bauer , Magnus Damm , Gerd Hoffmann , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Some guests do 1x1 blits which is faster to do directly than calling a function for it so avoid overhead in this case. Signed-off-by: BALATON Zoltan --- hw/display/sm501.c | 40 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 37 insertions(+), 3 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 3397ca9fbf..59693fbb5c 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -793,6 +793,25 @@ static void sm501_2d_operation(SM501State *s) src_x =3D=3D dst_x && src_y =3D=3D dst_y) { break; } + /* Some clients also do 1 pixel blits, avoid overhead for thes= e */ + if (width =3D=3D 1 && height =3D=3D 1) { + unsigned int si =3D (src_x + src_y * src_pitch) * (1 << fo= rmat); + unsigned int di =3D (dst_x + dst_y * dst_pitch) * (1 << fo= rmat); + switch (format) { + case 0: + s->local_mem[dst_base + di] =3D s->local_mem[src_base = + si]; + break; + case 1: + *(uint16_t *)&s->local_mem[dst_base + di] =3D + *(uint16_t *)&s->local_mem[src_base + = si]; + break; + case 2: + *(uint32_t *)&s->local_mem[dst_base + di] =3D + *(uint32_t *)&s->local_mem[src_base + = si]; + break; + } + break; + } /* Check for overlaps, this could be made more exact */ uint32_t sb, se, db, de; sb =3D src_base + src_x + src_y * (width + src_pitch); @@ -841,9 +860,24 @@ static void sm501_2d_operation(SM501State *s) color =3D cpu_to_le16(color); } =20 - pixman_fill((uint32_t *)&s->local_mem[dst_base], - dst_pitch * (1 << format) / sizeof(uint32_t), - 8 * (1 << format), dst_x, dst_y, width, height, color); + if (width =3D=3D 1 && height =3D=3D 1) { + unsigned int i =3D (dst_x + dst_y * dst_pitch) * (1 << format); + switch (format) { + case 0: + s->local_mem[dst_base + i] =3D color & 0xff; + break; + case 1: + *(uint16_t *)&s->local_mem[dst_base + i] =3D color & 0xfff= f; + break; + case 2: + *(uint32_t *)&s->local_mem[dst_base + i] =3D color; + break; + } + } else { + pixman_fill((uint32_t *)&s->local_mem[dst_base], + dst_pitch * (1 << format) / sizeof(uint32_t), + 8 * (1 << format), dst_x, dst_y, width, height, co= lor); + } break; } default: --=20 2.21.3