The patch titled
freescale DIU: add virtual resolution and panning support
has been added to the -mm tree. Its filename is
freescale-diu-add-virtual-resolution-and-panning-support.patch
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See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: freescale DIU: add virtual resolution and panning support
From: York Sun <yorksun@xxxxxxxxxxxxx>
Application can now have the virtual resoltuion and use FBIOPAN_DISPLAY
ioctl to pan.
Signed-off-by: York Sun <yorksun@xxxxxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxxxxx>
Cc: "Antonino A. Daplas" <adaplas@xxxxxxx>
Cc: Krzysztof Helt <krzysztof.h1@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/video/fsl-diu-fb.c | 28 +++++++++++++++++++++++-----
1 file changed, 23 insertions(+), 5 deletions(-)
diff -puN drivers/video/fsl-diu-fb.c~freescale-diu-add-virtual-resolution-and-panning-support drivers/video/fsl-diu-fb.c
--- a/drivers/video/fsl-diu-fb.c~freescale-diu-add-virtual-resolution-and-panning-support
+++ a/drivers/video/fsl-diu-fb.c
@@ -778,6 +778,22 @@ static void unmap_video_memory(struct fb
}
/*
+ * Using the fb_var_screeninfo in fb_info we set the aoi of this
+ * particular framebuffer. It is a light version of fsl_diu_set_par.
+ */
+static int fsl_diu_set_aoi(struct fb_info *info)
+{
+ struct fb_var_screeninfo *var = &info->var;
+ struct mfb_info *mfbi = info->par;
+ struct diu_ad *ad = mfbi->ad;
+
+ /* AOI should not be greater than display size */
+ ad->offset_xyi = cpu_to_le32((var->yoffset << 16) | var->xoffset);
+ ad->offset_xyd = cpu_to_le32((mfbi->y_aoi_d << 16) | mfbi->x_aoi_d);
+ return 0;
+}
+
+/*
* Using the fb_var_screeninfo in fb_info we set the resolution of this
* particular framebuffer. This function alters the fb_fix_screeninfo stored
* in fb_info. It does not alter var in fb_info since we are using that
@@ -817,11 +833,11 @@ static int fsl_diu_set_par(struct fb_inf
diu_ops.get_pixel_format(var->bits_per_pixel,
machine_data->monitor_port);
ad->addr = cpu_to_le32(info->fix.smem_start);
- ad->src_size_g_alpha = cpu_to_le32((var->yres << 12) |
- var->xres) | mfbi->g_alpha;
- /* fix me. AOI should not be greater than display size */
+ ad->src_size_g_alpha = cpu_to_le32((var->yres_virtual << 12) |
+ var->xres_virtual) | mfbi->g_alpha;
+ /* AOI should not be greater than display size */
ad->aoi_size = cpu_to_le32((var->yres << 16) | var->xres);
- ad->offset_xyi = 0;
+ ad->offset_xyi = cpu_to_le32((var->yoffset << 16) | var->xoffset);
ad->offset_xyd = cpu_to_le32((mfbi->y_aoi_d << 16) | mfbi->x_aoi_d);
/* Disable chroma keying function */
@@ -921,6 +937,8 @@ static int fsl_diu_pan_display(struct fb
else
info->var.vmode &= ~FB_VMODE_YWRAP;
+ fsl_diu_set_aoi(info);
+
return 0;
}
@@ -989,7 +1007,7 @@ static int fsl_diu_ioctl(struct fb_info
pr_debug("set AOI display offset of index %d to (%d,%d)\n",
mfbi->index, aoi_d.x_aoi_d, aoi_d.y_aoi_d);
fsl_diu_check_var(&info->var, info);
- fsl_diu_set_par(info);
+ fsl_diu_set_aoi(info);
break;
case MFB_GET_AOID:
aoi_d.x_aoi_d = mfbi->x_aoi_d;
_
Patches currently in -mm which might be from yorksun@xxxxxxxxxxxxx are
freescale-diu-add-virtual-resolution-and-panning-support.patch
freescale-diu-bug-fix-add-sanity-check-for-aoi-position.patch
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