xiaomi-sm8450/android_kernel_xiaomi_sm8450
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fbcon: logo: disable logo at boot

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Add logo.nologo kernel boot option to disable the logo in order to provide
more screen space for kernel messages; especially useful when debugging and
screen space is more critical.

newport_con driver changes are untested.

[akpm@linux-foundation.org: cleanups, coding-style fixes]
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Randy Dunlap
2007-10-16 01:29:37 -07:00
committed by Linus Torvalds
parent 840bc9b093
commit accaa24c49
3 changed files with 26 additions and 6 deletions
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20
drivers/video/console/newport_con.c
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@@ -98,14 +98,19 @@ static inline void newport_init_cmap(void)
}
}
static void newport_show_logo(void)
static struct linux_logo *newport_show_logo(void)
{
#ifdef CONFIG_LOGO_SGI_CLUT224
const struct linux_logo *logo = fb_find_logo(8);
const unsigned char *clut = logo->clut;
const unsigned char *data = logo->data;
const unsigned char *clut;
const unsigned char *data;
unsigned long i;
if (!logo)
return NULL;
*clut = logo->clut;
*data = logo->data;
for (i = 0; i < logo->clutsize; i++) {
newport_bfwait(npregs);
newport_cmap_setaddr(npregs, i + 0x20);
@@ -123,6 +128,8 @@ static void newport_show_logo(void)
for (i = 0; i < logo->width*logo->height; i++)
npregs->go.hostrw0 = *data++ << 24;
return logo;
#endif /* CONFIG_LOGO_SGI_CLUT224 */
}
@@ -465,9 +472,10 @@ static int newport_switch(struct vc_data *vc)
npregs->cset.topscan = 0x3ff;
if (!logo_drawn) {
newport_show_logo();
logo_drawn = 1;
logo_active = 1;
if (newport_show_logo()) {
logo_drawn = 1;
logo_active = 1;
}
}
return 1;