The patch titled
atmel_lcdfb: set ypanstep to 1 and enable y-panning on AT91
has been added to the -mm tree. Its filename is
atmel_lcdfb-set-ypanstep-to-1-and-enable-y-panning-on-at91.patch
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------------------------------------------------------
Subject: atmel_lcdfb: set ypanstep to 1 and enable y-panning on AT91
From: Stanislaw Gruszka <stf_xl@xxxxx>
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 <hskinnemoen@xxxxxxxxx>
Acked-by: Krzysztof Helt <krzysztof.h1@xxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/atmel_lcdfb.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN drivers/video/atmel_lcdfb.c~atmel_lcdfb-set-ypanstep-to-1-and-enable-y-panning-on-at91 drivers/video/atmel_lcdfb.c
--- a/drivers/video/atmel_lcdfb.c~atmel_lcdfb-set-ypanstep-to-1-and-enable-y-panning-on-at91
+++ a/drivers/video/atmel_lcdfb.c
@@ -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_lc
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.xpanstep = 0,
- .ypanstep = 0,
+ .ypanstep = 1,
.ywrapstep = 0,
.accel = FB_ACCEL_NONE,
};
_
Patches currently in -mm which might be from stf_xl@xxxxx are
atmel_lcdfb-set-ypanstep-to-1-and-enable-y-panning-on-at91.patch
atmel_lcdfb-add-board-parameter-specify-framebuffer-memory-size.patch
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