diff options
| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-01-12 11:01:26 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-19 17:06:41 +0300 |
| commit | 3831c2a454a1034944374391526515bd7debb1e4 (patch) | |
| tree | 25b5b227f19f08b4cc1f9de09bf8ed9b836580a0 /drivers/tty/vt | |
| parent | 885692ae3c17e6ef3962c826eea6bcfe871d8e5a (diff) | |
| download | linux-3831c2a454a1034944374391526515bd7debb1e4.tar.xz | |
tty: vt: remove vc_uniscr_debug_check()
VC_UNI_SCREEN_DEBUG is always defined as 0, so this code is never
executed. Drop it along with VC_UNI_SCREEN_DEBUG.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230112080136.4929-1-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/vt')
| -rw-r--r-- | drivers/tty/vt/vt.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index 62c8a45ad731..a51e87578902 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -323,8 +323,6 @@ void schedule_console_callback(void) #define get_vc_uniscr(vc) vc->vc_uni_screen #endif -#define VC_UNI_SCREEN_DEBUG 0 - typedef uint32_t char32_t; /* @@ -580,43 +578,6 @@ void vc_uniscr_copy_line(const struct vc_data *vc, void *dest, bool viewed, } } -/* this is for validation and debugging only */ -static void vc_uniscr_debug_check(struct vc_data *vc) -{ - struct uni_screen *uniscr = get_vc_uniscr(vc); - unsigned short *p; - int x, y, mask; - - if (!VC_UNI_SCREEN_DEBUG || !uniscr) - return; - - WARN_CONSOLE_UNLOCKED(); - - /* - * Make sure our unicode screen translates into the same glyphs - * as the actual screen. This is brutal indeed. - */ - p = (unsigned short *)vc->vc_origin; - mask = vc->vc_hi_font_mask | 0xff; - for (y = 0; y < vc->vc_rows; y++) { - char32_t *line = uniscr->lines[y]; - for (x = 0; x < vc->vc_cols; x++) { - u16 glyph = scr_readw(p++) & mask; - char32_t uc = line[x]; - int tc = conv_uni_to_pc(vc, uc); - if (tc == -4) - tc = conv_uni_to_pc(vc, 0xfffd); - if (tc == -4) - tc = conv_uni_to_pc(vc, '?'); - if (tc != glyph) - pr_err_ratelimited( - "%s: mismatch at %d,%d: glyph=%#x tc=%#x\n", - __func__, x, y, glyph, tc); - } - } -} - - static void con_scroll(struct vc_data *vc, unsigned int t, unsigned int b, enum con_scroll dir, unsigned int nr) { @@ -2959,7 +2920,6 @@ rescan_last_byte: goto rescan_last_byte; } con_flush(vc, &draw); - vc_uniscr_debug_check(vc); console_conditional_schedule(); notify_update(vc); console_unlock(); |