linux-kernel - Re: [PATCH v5 0/3] console/fbcon: Add support for deferred console takeover

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Message-id: <2462549.rLSfW9kX99@amdc3058>
Date:   Thu, 28 Jun 2018 15:50:26 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org,
        Daniel Vetter <daniel.vetter@...ll.ch>
Subject: Re: [PATCH v5 0/3] console/fbcon: Add support for deferred console
 takeover

On Thursday, June 28, 2018 11:03:48 AM Hans de Goede wrote:
> Hi All,
> 
> Here is v5 of my patch-set, to delay fbcon taking over the console (and
> binding to fbdev devices) until there actually is some text output to the
> console. This is intended for use with the "quiet" cmdline option, in
> combination with a bootloader which leaves the vendor's logo /
> EFI bootgraphics put up by the firmware intact on the EFI framebuffer.
> 
> The end goal here is a boot where the firmware shows its boot graphics
> and these stay in place for a couple of seconds until the GUI loads and
> the GUI then smoothly takes over the framebuffer without any distruptions.
> 
> Bartlomiej, I believe that this patch-set is ready for merging now and
> the first patch has Petr's ack, so can we get this merged now?

Done, thanks for patches (also for reviews & acks).

> Also please create an inmutable (or topic) branch for this, so that the
> drm people can merge it into drm-tip for additional testing.

Daniel,

The following changes since commit 7daf201d7fe8334e2d2364d4e8ed3394ec9af819:

  Linux 4.18-rc2 (2018-06-24 20:54:29 +0800)

are available in the git repository at:

  https://github.com/bzolnier/linux.git tags/ib-fbdev-drm-v4.19-deferred-console-takeover

for you to fetch changes up to 83d83bebf40132e2d55ec58af666713cc76f9764:

  console/fbcon: Add support for deferred console takeover (2018-06-28 15:20:30 +0200)

----------------------------------------------------------------
Immutable branch between fbdev and drm for the v4.19 merge window
(contains the deferred console takeover feature)

----------------------------------------------------------------
Hans de Goede (3):
      printk: Export is_console_locked
      fbcon: Call WARN_CONSOLE_UNLOCKED() where applicable
      console/fbcon: Add support for deferred console takeover

 Documentation/fb/fbcon.txt       |  7 ++++
 drivers/video/console/Kconfig    | 11 ++++++
 drivers/video/console/dummycon.c | 67 ++++++++++++++++++++++++++++----
 drivers/video/fbdev/core/fbcon.c | 83 ++++++++++++++++++++++++++++++++++++++++
 include/linux/console.h          |  5 +++
 kernel/printk/printk.c           |  1 +
 6 files changed, 166 insertions(+), 8 deletions(-)

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics