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authorRandy Dunlap <rdunlap@xenotime.net>2007-10-16 10:29:37 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 18:43:20 +0200
commitaccaa24c492f1aa3b9c37226d868dc59c3007531 (patch)
tree18778253e745b9b01a8913f2e2903b3f58226ebc /drivers/video/console
parentpmagb-b-fb: improve diagnostics (diff)
downloadlinux-accaa24c492f1aa3b9c37226d868dc59c3007531.tar.xz
linux-accaa24c492f1aa3b9c37226d868dc59c3007531.zip
fbcon: logo: disable logo at boot
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>
Diffstat (limited to 'drivers/video/console')
-rw-r--r--drivers/video/console/newport_con.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index dda0586ab3f3..f57d7b2758b7 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -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;