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atmel_lcdfb: set ypanstep to 1 and enable y-panning on AT91

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Panning in the y-direction can be done by simply changing the DMA base
address.  This code is already in place, but FBIOPAN_DISPLAY will
currently fail because ypanstep is 0.

Set ypanstep to 1 to indicate that we do support y-panning and also set
the necessary acceleration flags on AT91 (AVR32 already have them.)

Signed-off-by: Haavard Skinnemoen <[email protected]>
Acked-by: Krzysztof Helt <[email protected]>
Cc: Nicolas Ferre <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Haavard Skinnemoen 2008-08-12 15:08:56 -07:00 • committed by Linus Torvalds
commit e730d8b0a5
1 changed files with 4 additions and 2 deletions
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6
drivers/video/atmel_lcdfb.c
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@ -39,7 +39,9 @@
#endif
#if defined(CONFIG_ARCH_AT91)
#define ATMEL_LCDFB_FBINFO_DEFAULT FBINFO_DEFAULT
#define ATMEL_LCDFB_FBINFO_DEFAULT (FBINFO_DEFAULT \
| FBINFO_PARTIAL_PAN_OK \
| FBINFO_HWACCEL_YPAN)
static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
struct fb_var_screeninfo *var)
@ -177,7 +179,7 @@ static struct fb_fix_screeninfo atmel_lcdfb_fix __initdata = {
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.xpanstep = 0,
.ypanstep = 0,
.ypanstep = 1,
.ywrapstep = 0,
.accel = FB_ACCEL_NONE,
};