[PATCH RFC v9 3/8] mfd: ls2kbmc: Redraw using exported functions

From: Miao Wang via B4 Relay

Date: Tue Aug 11 2026 - 04:08:29 EST


From: Miao Wang <shankerwangmiao@xxxxxxxxx>

Use update_screen, i.e. redraw_screen() to trigger the redraw of the
current vt.

Fixes: d952bba3fbb5 ("mfd: ls2kbmc: Add Loongson-2K BMC reset function support")
Signed-off-by: Miao Wang <shankerwangmiao@xxxxxxxxx>
---
drivers/mfd/ls2k-bmc-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/ls2k-bmc-core.c b/drivers/mfd/ls2k-bmc-core.c
index 434db99ee501be8e18de7258af0f465fc16c0709..06ec8143d8cdbe2c8e5a141020d96c21b37fa699 100644
--- a/drivers/mfd/ls2k-bmc-core.c
+++ b/drivers/mfd/ls2k-bmc-core.c
@@ -25,6 +25,7 @@
#include <linux/platform_device.h>
#include <linux/stop_machine.h>
#include <linux/vt_kern.h>
+#include <linux/console.h>

/* LS2K BMC resources */
#define LS2K_DISPLAY_RES_START (SZ_16M + SZ_2M)
@@ -310,7 +311,9 @@ static void ls2k_bmc_events_fn(struct work_struct *work)

if (IS_ENABLED(CONFIG_VT)) {
/* Re-push the display due to previous PCI-E loss. */
- set_console(vt_move_to_console(MAX_NR_CONSOLES - 1, 1));
+ console_lock();
+ update_screen(vc_cons[fg_console].d);
+ console_unlock();
}
}


--
2.49.0