| Message ID | 1398807476-29867-1-git-send-email-eric.nelson@boundarydevices.com |
|---|---|
| State | Accepted |
| Delegated to: | Anatolij Gustschin |
| Headers | show |
On Tuesday, April 29, 2014 at 11:37:56 PM, Eric Nelson wrote: > This patch updates the i.MX video driver to store the > frame-buffer address in the fb_base field of the global > data structure *gd. > > By doing this, you can find the frame buffer address > using the 'bdinfo' command: > > U-Boot > bdinfo > arch_number = 0x00000EB9 > ... > FB base = 0x4F35F1C0 > > This is very useful when debugging display connections. > > Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> Acked-by: Marek Vasut <marex@denx.de> Best regards, Marek Vasut
On Tue, 29 Apr 2014 14:37:56 -0700 Eric Nelson <eric.nelson@boundarydevices.com> wrote: > This patch updates the i.MX video driver to store the > frame-buffer address in the fb_base field of the global > data structure *gd. > > By doing this, you can find the frame buffer address > using the 'bdinfo' command: > > U-Boot > bdinfo > arch_number = 0x00000EB9 > ... > FB base = 0x4F35F1C0 > > This is very useful when debugging display connections. > > Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> > Acked-by: Otavio Salvador <otavio@ossystems.com.br> > --- > drivers/video/mxc_ipuv3_fb.c | 5 +++++ > 1 file changed, 5 insertions(+) applied to u-boot-video/master. Thanks! Anatolij
diff --git a/drivers/video/mxc_ipuv3_fb.c b/drivers/video/mxc_ipuv3_fb.c index 3e21fb2..f75d770 100644 --- a/drivers/video/mxc_ipuv3_fb.c +++ b/drivers/video/mxc_ipuv3_fb.c @@ -13,6 +13,7 @@ #include <common.h> #include <asm/errno.h> +#include <asm/global_data.h> #include <linux/string.h> #include <linux/list.h> #include <linux/fb.h> @@ -24,6 +25,8 @@ #include "mxcfb.h" #include "ipu_regs.h" +DECLARE_GLOBAL_DATA_PTR; + static int mxcfb_map_video_memory(struct fb_info *fbi); static int mxcfb_unmap_video_memory(struct fb_info *fbi); @@ -415,6 +418,8 @@ static int mxcfb_map_video_memory(struct fb_info *fbi) fbi->screen_size = fbi->fix.smem_len; + gd->fb_base = fbi->fix.smem_start; + /* Clear the screen */ memset((char *)fbi->screen_base, 0, fbi->fix.smem_len);