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Tue, 8 Jan 2019 08:49:36 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E7A76E974; Tue, 8 Jan 2019 08:48:49 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from EUR03-DB5-obe.outbound.protection.outlook.com (mail-db5eur03on0720.outbound.protection.outlook.com [IPv6:2a01:111:f400:fe0a::720]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2608A6E460 for ; Mon, 7 Jan 2019 10:36:02 +0000 (UTC) Received: from AM6PR02MB4470.eurprd02.prod.outlook.com (20.177.191.218) by AM6PR02MB4691.eurprd02.prod.outlook.com (20.177.189.155) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1495.6; Mon, 7 Jan 2019 10:35:58 +0000 Received: from AM6PR02MB4470.eurprd02.prod.outlook.com ([fe80::e5f3:a239:2ec4:4453]) by AM6PR02MB4470.eurprd02.prod.outlook.com ([fe80::e5f3:a239:2ec4:4453%6]) with mapi id 15.20.1495.011; Mon, 7 Jan 2019 10:35:58 +0000 From: Peter Rosin To: Bartlomiej Zolnierkiewicz Subject: [PATCH v2] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd, line option Thread-Topic: [PATCH v2] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd, line option Thread-Index: AQHUpnTHQ6U4m/3NmkW8jtAGonq0AQ== Date: Mon, 7 Jan 2019 10:35:58 +0000 Message-ID: <6a9be31e-0bb4-d477-99e6-6cac3cd5087f@axentia.se> References: <20181126215725.2548-1-peda@axentia.se> <20181126215725.2548-3-peda@axentia.se> <37be75aa-7a63-a937-6de7-777a31af741b@axentia.se> <662db203-ae18-4a11-7b10-3d7d480f6f37@axentia.se> In-Reply-To: Accept-Language: en-US, sv-SE Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mozilla/5.0 (Windows NT 10.0; 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If more than one logo is displayed >>>>>>> + due to multiple CPUs, the collected line of logos is centered >>>>>>> + as a whole. >>>>>>> + >>>>>> >>>>>> Isn't a kernel command line option more suitable to configure the position >>>>>> of the logo? >>>>> >>>>> That didn't occur to me previously, but it does make sense now that you >>>>> mention it. This is on top of v5.0-rc1, and if applied before v5.0 we >>>>> can avoid possible regressions for folks who might start to rely on >>>>> CONFIG_FB_LOGO_CENTER if v5.0 is released w/o this. >>>>> >>>>> Cheers, >>>>> Peter >>>>> >>>>> From de7353ab519ba9b5c9ea3f62d607bb8e94b687cc Mon Sep 17 00:00:00 2001 >>>>> From: Peter Rosin >>>>> Cc: Bartlomiej Zolnierkiewicz >>>>> Cc: Jonathan Corbet >>>>> Cc: Peter Rosin >>>>> Cc: dri-devel@lists.freedesktop.org >>>>> Cc: linux-fbdev@vger.kernel.org >>>>> Cc: linux-doc@vger.kernel.org >>>>> To: linux-kernel@vger.kernel.org >>>>> Date: Mon, 7 Jan 2019 08:35:26 +0100 >>>>> Subject: [PATCH] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line >>>>> option >>>>> >>>>> A command line option is much more flexible than a config option and >>>>> the supporting code is small. Gets rid of #ifdefs in the code too... >>>>> >>>>> Suggested-by: Geert Uytterhoeven >>>>> Signed-off-by: Peter Rosin >>>> >>>> Thanks for your patch! >>>> >>>>> --- a/Documentation/fb/fbcon.txt >>>>> +++ b/Documentation/fb/fbcon.txt >>>>> @@ -163,6 +163,12 @@ C. Boot options >>>>> be preserved until there actually is some text is output to the console. >>>>> This option causes fbcon to bind immediately to the fbdev device. >>>>> >>>>> +7. fbcon=center-logo >>>>> + >>>>> + When this option is selected, the bootup logo is centered both >>>>> + horizontally and vertically. If more than one logo is displayed due to >>>>> + multiple CPUs, the collected line of logos is centered as a whole. >>>>> + >>>> >>>> What about making this more generic, than an option specific for centering? >>>> Else people want fbcon=left-logo or fbcon=right-logo soon? >>>> >>>> fbcon=logo-pos: >>>> >>>> With being "center", "left", "top", "right", "bottom", and combinations >>>> like "top,center"? Or is that complicating stuff too much? >>> >>> I'm not too keen on implementing all that when I have zero use for it. I can >>> however rename the trigger for the existing fb_center_logo bool to >>> >>> fbcon=logo-pos:center >>> >>> and add a check for "top,left" to reset the bool to false. Then the other >>> variants can be added later by whomever and when needed. >>> >>> Is that good enough? >> >> Ouch, I just realized that using a comma is a no-go, as that is already >> separating fbcon suboptions, so I suggest top-left instead. > > Sure, sounds fine to me. I just want to avoid having a parameter system > that complicates future extension. > I think you can drop the check for top-left, as the bool defaults to false. Right. So, here's an update... Again, it would probably be best if this went in before 5.0 is released. Changes since v1: - rename from fbcon=center-logo option to fbcon=logo-pos:center (and adjust the help text accordingly). Cheers, Peter From ebfb2feb7ea4298ac9c222e6ea6f9c9a92452084 Mon Sep 17 00:00:00 2001 From: Peter Rosin Cc: Bartlomiej Zolnierkiewicz Cc: Jonathan Corbet Cc: Peter Rosin Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Cc: linux-doc@vger.kernel.org To: linux-kernel@vger.kernel.org Date: Mon, 7 Jan 2019 08:35:26 +0100 Subject: [PATCH v2] fbdev: fbmem: convert CONFIG_FB_LOGO_CENTER into a cmd line option A command line option is much more flexible than a config option and the supporting code is small. Gets rid of #ifdefs in the code too... Suggested-by: Geert Uytterhoeven Signed-off-by: Peter Rosin --- Documentation/fb/fbcon.txt | 8 ++++++++ drivers/video/fbdev/core/fbcon.c | 7 +++++++ drivers/video/fbdev/core/fbmem.c | 19 ++++++++++--------- drivers/video/logo/Kconfig | 9 --------- include/linux/fb.h | 1 + 5 files changed, 26 insertions(+), 18 deletions(-) diff --git a/Documentation/fb/fbcon.txt b/Documentation/fb/fbcon.txt index 62af30511a95..60a5ec04e8f0 100644 --- a/Documentation/fb/fbcon.txt +++ b/Documentation/fb/fbcon.txt @@ -163,6 +163,14 @@ C. Boot options be preserved until there actually is some text is output to the console. This option causes fbcon to bind immediately to the fbdev device. +7. fbcon=logo-pos: + + The only possible 'location' is 'center' (without quotes), and when + given, the bootup logo is moved from the default top-left corner + location to the center of the framebuffer. If more than one logo is + displayed due to multiple CPUs, the collected line of logos is moved + as a whole. + C. Attaching, Detaching and Unloading Before going on to how to attach, detach and unload the framebuffer console, an diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c index 8976190b6c1f..bfa1360ec750 100644 --- a/drivers/video/fbdev/core/fbcon.c +++ b/drivers/video/fbdev/core/fbcon.c @@ -510,6 +510,13 @@ static int __init fb_console_setup(char *this_opt) continue; } #endif + + if (!strncmp(options, "logo-pos:", 9)) { + options += 9; + if (!strcmp(options, "center")) + fb_center_logo = true; + continue; + } } return 1; } diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index 558ed2ed3124..cb43a2258c51 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -53,6 +53,9 @@ EXPORT_SYMBOL(registered_fb); int num_registered_fb __read_mostly; EXPORT_SYMBOL(num_registered_fb); +bool fb_center_logo __read_mostly; +EXPORT_SYMBOL(fb_center_logo); + static struct fb_info *get_fb_info(unsigned int idx) { struct fb_info *fb_info; @@ -506,8 +509,7 @@ static int fb_show_logo_line(struct fb_info *info, int rotate, fb_set_logo(info, logo, logo_new, fb_logo.depth); } -#ifdef CONFIG_FB_LOGO_CENTER - { + if (fb_center_logo) { int xres = info->var.xres; int yres = info->var.yres; @@ -520,11 +522,11 @@ static int fb_show_logo_line(struct fb_info *info, int rotate, --n; image.dx = (xres - n * (logo->width + 8) - 8) / 2; image.dy = y ?: (yres - logo->height) / 2; + } else { + image.dx = 0; + image.dy = y; } -#else - image.dx = 0; - image.dy = y; -#endif + image.width = logo->width; image.height = logo->height; @@ -684,9 +686,8 @@ int fb_prepare_logo(struct fb_info *info, int rotate) } height = fb_logo.logo->height; -#ifdef CONFIG_FB_LOGO_CENTER - height += (yres - fb_logo.logo->height) / 2; -#endif + if (fb_center_logo) + height += (yres - fb_logo.logo->height) / 2; return fb_prepare_extra_logos(info, height, yres); } diff --git a/drivers/video/logo/Kconfig b/drivers/video/logo/Kconfig index 1e972c4e88b1..d1f6196c8b9a 100644 --- a/drivers/video/logo/Kconfig +++ b/drivers/video/logo/Kconfig @@ -10,15 +10,6 @@ menuconfig LOGO if LOGO -config FB_LOGO_CENTER - bool "Center the logo" - depends on FB=y - help - When this option is selected, the bootup logo is centered both - horizontally and vertically. If more than one logo is displayed - due to multiple CPUs, the collected line of logos is centered - as a whole. - config FB_LOGO_EXTRA bool depends on FB=y diff --git a/include/linux/fb.h b/include/linux/fb.h index 7cdd31a69719..f52ef0ad6781 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -653,6 +653,7 @@ extern int fb_new_modelist(struct fb_info *info); extern struct fb_info *registered_fb[FB_MAX]; extern int num_registered_fb; +extern bool fb_center_logo; extern struct class *fb_class; #define for_each_registered_fb(i) \