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rk fb: fix the error vir_stride in hdmi fb if rotate

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zwl
2014-06-16 16:20:44 +08:00
parent bc5ad52517
commit dc5f736a26
1 changed files with 5 additions and 0 deletions
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5
drivers/video/rockchip/rk_fb.c
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@@ -1542,9 +1542,14 @@ static void rk_fb_update_reg(struct rk_lcdc_driver *dev_drv,
}
if (ext_win->area[0].xact < ext_win->area[0].yact) {
int pixel_width, vir_width_bit, stride;
ext_win->area[0].xact = win->area[0].yact;
ext_win->area[0].yact = win->area[0].xact;
ext_win->area[0].xvir = win->area[0].yact;
pixel_width = rk_fb_pixel_width(ext_win->format);
vir_width_bit = pixel_width * ext_win->area[0].xvir;
stride = ALIGN_N_TIMES(vir_width_bit, 32) / 8;
ext_win->area[0].y_vir_stride = stride >> 2;
}
#if defined(CONFIG_FB_ROTATE) || !defined(CONFIG_THREE_FB_BUFFER)
rk_fb_win_rotate(ext_win, win);