linux-kernel - [RFC PATCH v2 09/13] fbcon: Disable bootsplash on oops

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Date:   Wed, 13 Dec 2017 20:47:51 +0100
From:   Max Staudt <mstaudt@...e.de>
To:     b.zolnierkie@...sung.com, linux-fbdev@...r.kernel.org
Cc:     mstaudt@...e.de, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, tiwai@...e.com, oneukum@...e.com,
        msrb@...e.com, sndirsch@...e.com, michal@...kovi.net,
        philm@...jaro.org, bernhard.rosenkranzer@...aro.org
Subject: [RFC PATCH v2 09/13] fbcon: Disable bootsplash on oops

Signed-off-by: Max Staudt <mstaudt@...e.de>
Reviewed-by: Oliver Neukum <oneukum@...e.com>
---
 drivers/video/fbdev/core/fbcon.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 9a39a6fcfe98..8a9c67e1c5d8 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1343,6 +1343,16 @@ static void fbcon_cursor(struct vc_data *vc, int mode)
 	int y;
  	int c = scr_readw((u16 *) vc->vc_pos);
 
+	/*
+	 * Disable the splash here so we don't have to hook into
+	 * vt_console_print() in drivers/tty/vt/vt.c
+	 *
+	 * We'd disable the splash just before the call to
+	 * hide_cursor() anyway, so this spot is just fine.
+	 */
+	if (oops_in_progress)
+		bootsplash_disable();
+
 	ops->cur_blink_jiffies = msecs_to_jiffies(vc->vc_cur_blink_ms);
 
 	if (fbcon_is_inactive(vc, info) || vc->vc_deccm != 1)
-- 
2.12.3