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s3c-fb: add wait for VSYNC ioctl

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Add VSYNC interrupt support and an ioctl that allows waiting for it.
Interrupts are turned on only when needed.

Signed-off-by: Pawel Osciak <p.osciak@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: InKi Dae <inki.dae@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Pawel Osciak
2010-08-10 18:02:38 -07:00
committed by Linus Torvalds
parent 067b226b9e
commit efdc846d2f
2 changed files with 166 additions and 1 deletions
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arch/arm/plat-samsung/include/plat/regs-fb.h
+1
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@@ -300,6 +300,7 @@
#define VIDINTCON0_FRAMESEL0_FRONTPORCH (0x3 << 15)
#define VIDINTCON0_FRAMESEL1 (1 << 13)
#define VIDINTCON0_FRAMESEL1_MASK (0x3 << 13)
#define VIDINTCON0_FRAMESEL1_NONE (0x0 << 13)
#define VIDINTCON0_FRAMESEL1_BACKPORCH (0x1 << 13)
#define VIDINTCON0_FRAMESEL1_VSYNC (0x2 << 13)