From patchwork Thu Jan 18 07:57:37 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiri Slaby X-Patchwork-Id: 765103 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 179FC2D054; Thu, 18 Jan 2024 07:58:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705564736; cv=none; b=he8YktdroUWHV5t5ihixijdBV9JNpWCZjYsOPPsFJ0j3b43A+7EQvqzfcPej83uBUTMM8S2+zW5KulZliteZickxU3qnlUAenoejQKs6lulSUyR3GHsN8HJFtH6TcZFzFeVTOCYS6o2yEeEhpUZHSPCf7d25W/lV4gg0IRqJyLA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705564736; c=relaxed/simple; bh=9KIJ7uIX/Te/xBlz0NrBY1Kbgsi0p9OXSqQTf+AUMRE=; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; b=hgpb3PCF+4y8qNZlOFYvkWm14aVRJpWenih/F3XWN/VU9crd+8uffjQTTcfjyjWLv3hTfuoAhE1Rpgpyh54g/UkUg1hPta82+lR/T5QkjuDKaLGpceEQO7c2wG+GHVr9IgTttew0NVojaoTEg34iSZ59/2g/lIqZvKvZWl29CGY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gWdMkNEo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gWdMkNEo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DFC7BC43394; Thu, 18 Jan 2024 07:58:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1705564735; bh=9KIJ7uIX/Te/xBlz0NrBY1Kbgsi0p9OXSqQTf+AUMRE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gWdMkNEosEIzFt3TlKGSERCw7ekEAHgvdERRn98vGLL8K8cC+zOFAAP35i///H94w jYK/cIgBi8mQjWVf9Fl9/G2smPaTnarlwBj10+Gc4XZgWck0NfzdqwZjaI8zH6nI5S qJlEQUbGwb7dkVLGRhor2Jl2jifja7m64uB4vcDsAnf5AXJcEPyRilDecUp7bu5YvX dTZO1ZNPQpszojVWoV3GCVPANPImZRUjcAeCN+zW0yKT6ROo52ZB/dcIU6xYMsPXM/ YGNybHNgZNPxQ7pkgJCsyMsZRL+zTLYLmEzDsyHt2Dm9Xg2VNl7ggo1rsOpeg1F9Yd 2RyBY3pxepqIg== From: "Jiri Slaby (SUSE)" To: gregkh@linuxfoundation.org Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Jiri Slaby (SUSE)" , Helge Deller , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org Subject: [PATCH 26/45] consoles: use if instead of switch-case in consw::con_cursor() Date: Thu, 18 Jan 2024 08:57:37 +0100 Message-ID: <20240118075756.10541-27-jirislaby@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240118075756.10541-1-jirislaby@kernel.org> References: <20240118075756.10541-1-jirislaby@kernel.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This is only a preparation for the following cleanup patch to make it easier. Provided CM_ERASE is the only different, use 'if' instead of 'switch+case' in all those. Signed-off-by: Jiri Slaby (SUSE) Cc: Helge Deller Cc: linux-fbdev@vger.kernel.org Cc: dri-devel@lists.freedesktop.org --- drivers/video/console/newport_con.c | 26 +++++------- drivers/video/console/sticon.c | 27 ++++++------ drivers/video/console/vgacon.c | 66 +++++++++++++---------------- 3 files changed, 53 insertions(+), 66 deletions(-) diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c index 5e65ee0b7c07..f852717b88f0 100644 --- a/drivers/video/console/newport_con.c +++ b/drivers/video/console/newport_con.c @@ -443,24 +443,20 @@ static void newport_cursor(struct vc_data *vc, int mode) unsigned short treg; int xcurs, ycurs; - switch (mode) { - case CM_ERASE: - treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); - newport_vc2_set(npregs, VC2_IREG_CONTROL, - (treg & ~(VC2_CTRL_ECDISP))); - break; + treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); - case CM_MOVE: - case CM_DRAW: - treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); + if (mode == CM_ERASE) { newport_vc2_set(npregs, VC2_IREG_CONTROL, - (treg | VC2_CTRL_ECDISP)); - xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2; - ycurs = ((xcurs / vc->vc_cols) << 4) + 31; - xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction; - newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs); - newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs); + (treg & ~(VC2_CTRL_ECDISP))); + return; } + + newport_vc2_set(npregs, VC2_IREG_CONTROL, (treg | VC2_CTRL_ECDISP)); + xcurs = (vc->vc_pos - vc->vc_visible_origin) / 2; + ycurs = ((xcurs / vc->vc_cols) << 4) + 31; + xcurs = ((xcurs % vc->vc_cols) << 3) + xcurs_correction; + newport_vc2_set(npregs, VC2_IREG_CURSX, xcurs); + newport_vc2_set(npregs, VC2_IREG_CURSY, ycurs); } static int newport_switch(struct vc_data *vc) diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 906da1fde7c8..42480874db00 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -95,23 +95,20 @@ static void sticon_cursor(struct vc_data *conp, int mode) return; car1 = conp->vc_screenbuf[conp->state.x + conp->state.y * conp->vc_cols]; - switch (mode) { - case CM_ERASE: + if (mode == CM_ERASE) { sti_putc(sticon_sti, car1, conp->state.y, conp->state.x, font_data[conp->vc_num]); - break; - case CM_MOVE: - case CM_DRAW: - switch (CUR_SIZE(conp->vc_cursor_type)) { - case CUR_UNDERLINE: - case CUR_LOWER_THIRD: - case CUR_LOWER_HALF: - case CUR_TWO_THIRDS: - case CUR_BLOCK: - sti_putc(sticon_sti, (car1 & 255) + (0 << 8) + (7 << 11), - conp->state.y, conp->state.x, font_data[conp->vc_num]); - break; - } + return; + } + + switch (CUR_SIZE(conp->vc_cursor_type)) { + case CUR_UNDERLINE: + case CUR_LOWER_THIRD: + case CUR_LOWER_HALF: + case CUR_TWO_THIRDS: + case CUR_BLOCK: + sti_putc(sticon_sti, (car1 & 255) + (0 << 8) + (7 << 11), + conp->state.y, conp->state.x, font_data[conp->vc_num]); break; } } diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c index 558076462b0d..3bf7f46a8998 100644 --- a/drivers/video/console/vgacon.c +++ b/drivers/video/console/vgacon.c @@ -514,47 +514,41 @@ static void vgacon_cursor(struct vc_data *c, int mode) c_height = c->vc_cell_height; - switch (mode) { - case CM_ERASE: - write_vga(14, (c->vc_pos - vga_vram_base) / 2); + write_vga(14, (c->vc_pos - vga_vram_base) / 2); + + if (mode == CM_ERASE) { if (vga_video_type >= VIDEO_TYPE_VGAC) vgacon_set_cursor_size(31, 30); else vgacon_set_cursor_size(31, 31); - break; + return; + } - case CM_MOVE: - case CM_DRAW: - write_vga(14, (c->vc_pos - vga_vram_base) / 2); - switch (CUR_SIZE(c->vc_cursor_type)) { - case CUR_UNDERLINE: - vgacon_set_cursor_size(c_height - - (c_height < 10 ? 2 : 3), - c_height - - (c_height < 10 ? 1 : 2)); - break; - case CUR_TWO_THIRDS: - vgacon_set_cursor_size(c_height / 3, c_height - - (c_height < 10 ? 1 : 2)); - break; - case CUR_LOWER_THIRD: - vgacon_set_cursor_size(c_height * 2 / 3, c_height - - (c_height < 10 ? 1 : 2)); - break; - case CUR_LOWER_HALF: - vgacon_set_cursor_size(c_height / 2, c_height - - (c_height < 10 ? 1 : 2)); - break; - case CUR_NONE: - if (vga_video_type >= VIDEO_TYPE_VGAC) - vgacon_set_cursor_size(31, 30); - else - vgacon_set_cursor_size(31, 31); - break; - default: - vgacon_set_cursor_size(1, c_height); - break; - } + switch (CUR_SIZE(c->vc_cursor_type)) { + case CUR_UNDERLINE: + vgacon_set_cursor_size(c_height - (c_height < 10 ? 2 : 3), + c_height - (c_height < 10 ? 1 : 2)); + break; + case CUR_TWO_THIRDS: + vgacon_set_cursor_size(c_height / 3, + c_height - (c_height < 10 ? 1 : 2)); + break; + case CUR_LOWER_THIRD: + vgacon_set_cursor_size(c_height * 2 / 3, + c_height - (c_height < 10 ? 1 : 2)); + break; + case CUR_LOWER_HALF: + vgacon_set_cursor_size(c_height / 2, + c_height - (c_height < 10 ? 1 : 2)); + break; + case CUR_NONE: + if (vga_video_type >= VIDEO_TYPE_VGAC) + vgacon_set_cursor_size(31, 30); + else + vgacon_set_cursor_size(31, 31); + break; + default: + vgacon_set_cursor_size(1, c_height); break; } }