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Prior to suspend, we allocate and switch to a new VT; after suspend, we switch back to the original VT. This can be slow, and is completely unnecessary if the framebuffer we're using can restore video properly. This adds a hook that allows drivers to select whether or not to do this vt switch, and changes the gxfb driver to call this hook. It also adds a module param to gxfb to allow controlling of the vt switch (defaulting to no switch). (Note: I'm not convinced that console_sem is the best way to protect this, but we should probably have some form of locking..) [akpm@linux-foundation.org: build fix] Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| display_gx.c | ||
| display_gx1.c | ||
| display_gx1.h | ||
| geodefb.h | ||
| gx1fb_core.c | ||
| gxfb_core.c | ||
| gxfb.h | ||
| Kconfig | ||
| lxfb_core.c | ||
| lxfb_ops.c | ||
| lxfb.h | ||
| Makefile | ||
| suspend_gx.c | ||
| video_cs5530.c | ||
| video_cs5530.h | ||
| video_gx.c | ||