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fbdev: sh_mobile_lcdc: Support horizontal panning

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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2012-07-18 17:09:04 +02:00
parent bd5f2c6911
commit 15dede882e
1 changed files with 16 additions and 6 deletions
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22
drivers/video/sh_mobile_lcdcfb.c
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@ -1493,7 +1493,7 @@ static const struct fb_fix_screeninfo sh_mobile_lcdc_overlay_fix = {
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.accel = FB_ACCEL_NONE,
.xpanstep = 0,
.xpanstep = 1,
.ypanstep = 1,
.ywrapstep = 0,
.capabilities = FB_CAP_FOURCC,
@ -1714,9 +1714,14 @@ sh_mobile_lcdc_overlay_fb_init(struct sh_mobile_lcdc_overlay *ovl)
else
info->fix.visual = FB_VISUAL_TRUECOLOR;
if (ovl->format->fourcc == V4L2_PIX_FMT_NV12 ||
ovl->format->fourcc == V4L2_PIX_FMT_NV21)
switch (ovl->format->fourcc) {
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
info->fix.ypanstep = 2;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
info->fix.xpanstep = 2;
}
/* Initialize variable screen information. */
var = &info->var;
@ -1771,7 +1776,7 @@ static const struct fb_fix_screeninfo sh_mobile_lcdc_fix = {
.type = FB_TYPE_PACKED_PIXELS,
.visual = FB_VISUAL_TRUECOLOR,
.accel = FB_ACCEL_NONE,
.xpanstep = 0,
.xpanstep = 1,
.ypanstep = 1,
.ywrapstep = 0,
.capabilities = FB_CAP_FOURCC,
@ -2209,9 +2214,14 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
else
info->fix.visual = FB_VISUAL_TRUECOLOR;
if (ch->format->fourcc == V4L2_PIX_FMT_NV12 ||
ch->format->fourcc == V4L2_PIX_FMT_NV21)
switch (ch->format->fourcc) {
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
info->fix.ypanstep = 2;
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
info->fix.xpanstep = 2;
}
/* Initialize variable screen information using the first mode as
* default.