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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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| .. | ||
| cyblafb | ||
| 00-INDEX | ||
| arkfb.txt | ||
| aty128fb.txt | ||
| cirrusfb.txt | ||
| cmap_xfbdev.txt | ||
| deferred_io.txt | ||
| fbcon.txt | ||
| framebuffer.txt | ||
| gxfb.txt | ||
| imacfb.txt | ||
| intel810.txt | ||
| intelfb.txt | ||
| internals.txt | ||
| matroxfb.txt | ||
| metronomefb.txt | ||
| modedb.txt | ||
| pvr2fb.txt | ||
| pxafb.txt | ||
| s3fb.txt | ||
| sa1100fb.txt | ||
| sisfb.txt | ||
| sstfb.txt | ||
| tgafb.txt | ||
| tridentfb.txt | ||
| uvesafb.txt | ||
| vesafb.txt | ||
| vt8623fb.txt | ||