From patchwork Sat Jun 20 20:56:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 279886 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DF65C433E0 for ; Sat, 20 Jun 2020 21:06:26 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0437C21556 for ; Sat, 20 Jun 2020 21:06:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0437C21556 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50078 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmkgz-00083t-8U for qemu-devel@archiver.kernel.org; Sat, 20 Jun 2020 17:06:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53456) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfP-0005KT-Rk for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:47 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:59732) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfL-0001gA-7i for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:47 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 44A02748DE1; Sat, 20 Jun 2020 23:04:33 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id C1D737475FA; Sat, 20 Jun 2020 23:04:32 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v3 1/9] sm501: Fix bounds checks Date: Sat, 20 Jun 2020 22:56:28 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.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_HELO_NONE=0.001, SPF_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 a7fc08c52b..5ceee4166f 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -723,8 +723,8 @@ static void sm501_2d_operation(SM501State *s) dst_y -= height - 1; } - if (dst_base >= get_local_mem_size(s) || dst_base + - (dst_x + width + (dst_y + height) * (dst_pitch + width)) * + if (dst_base >= get_local_mem_size(s) || + dst_base + (dst_x + width + (dst_y + height) * dst_pitch) * (1 << format) >= 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 -= height - 1; } - if (src_base >= get_local_mem_size(s) || src_base + - (src_x + width + (src_y + height) * (src_pitch + width)) * + if (src_base >= get_local_mem_size(s) || + src_base + (src_x + width + (src_y + height) * src_pitch) * (1 << format) >= get_local_mem_size(s)) { qemu_log_mask(LOG_GUEST_ERROR, "sm501: 2D op src is outside vram.\n"); From patchwork Sat Jun 20 20:56:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 279884 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C484AC433E0 for ; Sat, 20 Jun 2020 21:08:39 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9DC1B246B3 for ; Sat, 20 Jun 2020 21:08:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DC1B246B3 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:58444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmkj8-0003y8-Ru for qemu-devel@archiver.kernel.org; Sat, 20 Jun 2020 17:08:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfR-0005OR-VK for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:49 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:54117) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfO-0001mb-Qf for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:49 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 51C1774594E; Sat, 20 Jun 2020 23:04:41 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id C5FFE748DCF; Sat, 20 Jun 2020 23:04:32 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v3 2/9] sm501: Drop unneded variable Date: Sat, 20 Jun 2020 22:56:28 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.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_HELO_NONE=0.001, SPF_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 5ceee4166f..5d2e019575 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -796,13 +796,12 @@ static void sm501_2d_operation(SM501State *s) de = db + width + height * (width + dst_pitch); if (rtl && ((db >= sb && db <= se) || (de >= sb && de <= se))) { /* regions may overlap: copy via temporary */ - int free_buf = 0, llb = width * (1 << format); + int llb = width * (1 << format); int tmp_stride = DIV_ROUND_UP(llb, sizeof(uint32_t)); uint32_t *tmp = tmp_buf; if (tmp_stride * sizeof(uint32_t) * height > sizeof(tmp_buf)) { tmp = g_malloc(tmp_stride * sizeof(uint32_t) * height); - free_buf = 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 != tmp_buf) { g_free(tmp); } } else { From patchwork Sat Jun 20 20:56:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 279883 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BB108C433DF for ; Sat, 20 Jun 2020 21:11:29 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9571D22D08 for ; Sat, 20 Jun 2020 21:11:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9571D22D08 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:38718 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmkls-0007xX-Ua for qemu-devel@archiver.kernel.org; Sat, 20 Jun 2020 17:11:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53420) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfO-0005G7-4z for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:46 -0400 Received: from zero.eik.bme.hu ([2001:738:2001:2001::2001]:42057) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfL-0001gB-9F for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:45 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 499D5748DE2; Sat, 20 Jun 2020 23:04:33 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id D2D08748DD1; Sat, 20 Jun 2020 23:04:32 +0200 (CEST) Message-Id: <7cccc302d7b4c5c313bad7681ac4686417143c3e.1592686588.git.balaton@eik.bme.hu> In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v3 5/9] sm501: Optimise 1 pixel 2d ops Date: Sat, 20 Jun 2020 22:56:28 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.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_HELO_NONE=0.001, SPF_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 Reviewed-by: Peter Maydell --- hw/display/sm501.c | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 3ced2c42db..2098e69810 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -794,6 +794,14 @@ static void sm501_2d_operation(SM501State *s) src_x == dst_x && src_y == dst_y) { break; } + /* Some clients also do 1 pixel blits, avoid overhead for these */ + if (width == 1 && height == 1) { + unsigned int si = (src_x + src_y * src_pitch) * bypp; + unsigned int di = (dst_x + dst_y * dst_pitch) * bypp; + stn_he_p(&s->local_mem[dst_base + di], bypp, + ldn_he_p(&s->local_mem[src_base + si], bypp)); + break; + } /* Check for overlaps, this could be made more exact */ uint32_t sb, se, db, de; sb = src_base + src_x + src_y * (width + src_pitch); @@ -842,9 +850,14 @@ static void sm501_2d_operation(SM501State *s) color = cpu_to_le16(color); } - pixman_fill((uint32_t *)&s->local_mem[dst_base], - dst_pitch * bypp / sizeof(uint32_t), - 8 * bypp, dst_x, dst_y, width, height, color); + if (width == 1 && height == 1) { + unsigned int i = (dst_x + dst_y * dst_pitch) * bypp; + stn_he_p(&s->local_mem[dst_base + i], bypp, color); + } else { + pixman_fill((uint32_t *)&s->local_mem[dst_base], + dst_pitch * bypp / sizeof(uint32_t), + 8 * bypp, dst_x, dst_y, width, height, color); + } break; } default: From patchwork Sat Jun 20 20:56:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: BALATON Zoltan X-Patchwork-Id: 279882 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B9F7BC433DF for ; Sat, 20 Jun 2020 21:13:40 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8EA5B246BD for ; Sat, 20 Jun 2020 21:13:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8EA5B246BD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eik.bme.hu Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42854 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jmknz-0002Ue-TF for qemu-devel@archiver.kernel.org; Sat, 20 Jun 2020 17:13:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53432) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfO-0005I3-WD for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:47 -0400 Received: from zero.eik.bme.hu ([152.66.115.2]:49507) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jmkfL-0001gC-9I for qemu-devel@nongnu.org; Sat, 20 Jun 2020 17:04:46 -0400 Received: from zero.eik.bme.hu (blah.eik.bme.hu [152.66.115.182]) by localhost (Postfix) with SMTP id 61067748DE3; Sat, 20 Jun 2020 23:04:33 +0200 (CEST) Received: by zero.eik.bme.hu (Postfix, from userid 432) id D86E5748DDA; Sat, 20 Jun 2020 23:04:32 +0200 (CEST) Message-Id: In-Reply-To: References: From: BALATON Zoltan Subject: [PATCH v3 6/9] sm501: Use stn_he_p/ldn_he_p instead of switch/case Date: Sat, 20 Jun 2020 22:56:28 +0200 MIME-Version: 1.0 To: qemu-devel@nongnu.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 = 2020/06/20 17:04:33 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_HELO_NONE=0.001, SPF_PASS=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Instead of open coding op with different sizes using a switch and type casting it can be written more compactly using stn_he_p/ldn_he_p. Suggested-by: Peter Maydell Signed-off-by: BALATON Zoltan Reviewed-by: Philippe Mathieu-Daudé --- hw/display/sm501.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/hw/display/sm501.c b/hw/display/sm501.c index 2098e69810..6349f31e64 100644 --- a/hw/display/sm501.c +++ b/hw/display/sm501.c @@ -766,17 +766,7 @@ static void sm501_2d_operation(SM501State *s) for (y = 0; y < height; y++) { i = (dst_x + (dst_y + y) * dst_pitch) * bypp; for (x = 0; x < width; x++, i += bypp) { - switch (format) { - case 0: - d[i] = ~d[i]; - break; - case 1: - *(uint16_t *)&d[i] = ~*(uint16_t *)&d[i]; - break; - case 2: - *(uint32_t *)&d[i] = ~*(uint32_t *)&d[i]; - break; - } + stn_he_p(&d[i], bypp, ~ldn_he_p(&d[i], bypp)); } } } else {