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path: root/drivers/video/mmp/fb/mmpfb.c
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Diffstat (limited to 'drivers/video/mmp/fb/mmpfb.c')
-rw-r--r--drivers/video/mmp/fb/mmpfb.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/drivers/video/mmp/fb/mmpfb.c b/drivers/video/mmp/fb/mmpfb.c
index 4ab95b8daed..7ab31eb76a8 100644
--- a/drivers/video/mmp/fb/mmpfb.c
+++ b/drivers/video/mmp/fb/mmpfb.c
@@ -392,12 +392,29 @@ static int var_update(struct fb_info *info)
return 0;
}
+static void mmpfb_set_win(struct fb_info *info)
+{
+ struct mmpfb_info *fbi = info->par;
+ struct fb_var_screeninfo *var = &info->var;
+ struct mmp_win win;
+ u32 stride;
+
+ memset(&win, 0, sizeof(win));
+ win.xsrc = win.xdst = fbi->mode.xres;
+ win.ysrc = win.ydst = fbi->mode.yres;
+ win.pix_fmt = fbi->pix_fmt;
+ stride = pixfmt_to_stride(win.pix_fmt);
+ win.pitch[0] = var->xres_virtual * stride;
+ win.pitch[1] = win.pitch[2] =
+ (stride == 1) ? (var->xres_virtual >> 1) : 0;
+ mmp_overlay_set_win(fbi->overlay, &win);
+}
+
static int mmpfb_set_par(struct fb_info *info)
{
struct mmpfb_info *fbi = info->par;
struct fb_var_screeninfo *var = &info->var;
struct mmp_addr addr;
- struct mmp_win win;
struct mmp_mode mode;
int ret;
@@ -409,11 +426,8 @@ static int mmpfb_set_par(struct fb_info *info)
fbmode_to_mmpmode(&mode, &fbi->mode, fbi->output_fmt);
mmp_path_set_mode(fbi->path, &mode);
- memset(&win, 0, sizeof(win));
- win.xsrc = win.xdst = fbi->mode.xres;
- win.ysrc = win.ydst = fbi->mode.yres;
- win.pix_fmt = fbi->pix_fmt;
- mmp_overlay_set_win(fbi->overlay, &win);
+ /* set window related info */
+ mmpfb_set_win(info);
/* set address always */
memset(&addr, 0, sizeof(addr));
@@ -427,16 +441,12 @@ static int mmpfb_set_par(struct fb_info *info)
static void mmpfb_power(struct mmpfb_info *fbi, int power)
{
struct mmp_addr addr;
- struct mmp_win win;
struct fb_var_screeninfo *var = &fbi->fb_info->var;
/* for power on, always set address/window again */
if (power) {
- memset(&win, 0, sizeof(win));
- win.xsrc = win.xdst = fbi->mode.xres;
- win.ysrc = win.ydst = fbi->mode.yres;
- win.pix_fmt = fbi->pix_fmt;
- mmp_overlay_set_win(fbi->overlay, &win);
+ /* set window related info */
+ mmpfb_set_win(fbi->fb_info);
/* set address always */
memset(&addr, 0, sizeof(addr));