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[PATCH] vesafb: Drop blank hook

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From: Bugzilla Bug 5351

"After resuming from S3 (suspended while in X), the LCD panel stays black .
 However, the laptop is up again, and I can SSH into it from another
machine.

I can get the panel working again, when I first direct video output to the
CRT output of the laptop, and then back to LCD (done by repeatedly hitting
Fn+F5 buttons on the Toshiba, which directs output to either LCD, CRT or
TV) None of this ever happened with older kernels."

This bug is due to the recently added vesafb_blank() method in vesafb.  It
works with CRT displays, but has a high incidence of problems in laptop
users.  Since CRT users don't really get that much benefit from hardware
blanking, drop support for this.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Antonino A. Daplas 2006-01-09 20:52:54 -08:00 • committed by Linus Torvalds
parent 532347e2bb
commit 2b4f2f4b01
3 changed files with 1 additions and 44 deletions
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3
include/linux/screen_info.h
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@ -41,8 +41,7 @@ struct screen_info {
u16 vesapm_off; /* 0x30 */
u16 pages; /* 0x32 */
u16 vesa_attributes; /* 0x34 */
u32 capabilities; /* 0x36 */
/* 0x3a -- 0x3f reserved for future expansion */
/* 0x36 -- 0x3f reserved for future expansion */
};
extern struct screen_info screen_info;