From 6dd2e42bd892b2e16080ceba451fd9c3ed633145 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Thu, 14 Jan 2010 17:32:13 +0200 Subject: OMAP: DSS2: OMAPFB: implement OMAPFB_GET_DISPLAY_INFO Previously the only place to get the size of the display was from the DSS's sysfs interface, making, for example, configuring overlays and doing updates on manual displays more difficult. Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/omapfb/omapfb-ioctl.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'drivers') diff --git a/drivers/video/omap2/omapfb/omapfb-ioctl.c b/drivers/video/omap2/omapfb/omapfb-ioctl.c index 4c4bafdfaa43..33fc1459a7c9 100644 --- a/drivers/video/omap2/omapfb/omapfb-ioctl.c +++ b/drivers/video/omap2/omapfb/omapfb-ioctl.c @@ -483,6 +483,7 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) struct omapfb_memory_read memory_read; struct omapfb_vram_info vram_info; struct omapfb_tearsync_info tearsync_info; + struct omapfb_display_info display_info; } p; int r = 0; @@ -741,6 +742,29 @@ int omapfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg) break; } + case OMAPFB_GET_DISPLAY_INFO: { + u16 xres, yres; + + DBG("ioctl GET_DISPLAY_INFO\n"); + + if (display == NULL) { + r = -ENODEV; + break; + } + + display->get_resolution(display, &xres, &yres); + + p.display_info.xres = xres; + p.display_info.yres = yres; + p.display_info.width = 0; + p.display_info.height = 0; + + if (copy_to_user((void __user *)arg, &p.display_info, + sizeof(p.display_info))) + r = -EFAULT; + break; + } + default: dev_err(fbdev->dev, "Unknown ioctl 0x%x\n", cmd); r = -EINVAL; -- cgit v1.2.2