[PATCH v2 4/7] newport_con: Implement struct consw.con_unblank
flat view
WARM1d
From: Thomas Zimmermann <tzimmermann@suse.de>
Date: 2026-10-16 09:34:04
Also in:
linux-serial, lkml, sashiko-reviews
Subsystem:
console subsystem, framebuffer layer, the rest · Maintainers:
Greg Kroah-Hartman, Helge Deller, Linus Torvalds
Implement con_unblank from struct consw with the VESA_NO_BLANKING branch from newport_blank(). Remove that code from the blank helper. Both helpers, newport_blank() and newport_unbank(), clear or set a single flag in a hardware register. No further VESA DPMS blanking is supported. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> --- drivers/video/console/newport_con.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index ecbbe2e4e2a6..c617a9a27e4c 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c@@ -481,17 +481,18 @@ static bool newport_blank(struct vc_data *c, enum vesa_blank_mode blank, { unsigned short treg; - if (blank == VESA_NO_BLANKING) { - /* unblank console */ - treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); - newport_vc2_set(npregs, VC2_IREG_CONTROL, - (treg | VC2_CTRL_EDISP)); - } else { - /* blank console */ - treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); - newport_vc2_set(npregs, VC2_IREG_CONTROL, - (treg & ~(VC2_CTRL_EDISP))); - } + treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); + newport_vc2_set(npregs, VC2_IREG_CONTROL, (treg & ~(VC2_CTRL_EDISP))); + + return true; +} + +static bool newport_unblank(struct vc_data *c) +{ + unsigned short treg; + + treg = newport_vc2_get(npregs, VC2_IREG_CONTROL); + newport_vc2_set(npregs, VC2_IREG_CONTROL, (treg | VC2_CTRL_EDISP)); return true; }
@@ -666,6 +667,7 @@ const struct consw newport_con = { .con_scroll = newport_scroll, .con_switch = newport_switch, .con_blank = newport_blank, + .con_unblank = newport_unblank, .con_font_set = newport_font_set, .con_font_default = newport_font_default, .con_save_screen = newport_save_screen
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2.55.0