diff options
| author | Xinyu Chen <xinyu.chen@freescale.com> | 2011-12-13 15:30:42 +0800 |
|---|---|---|
| committer | Xinyu Chen <xinyu.chen@freescale.com> | 2011-12-13 15:35:46 +0800 |
| commit | bdcbf429b11f93bd0df305f9c04c09616009fc3d (patch) | |
| tree | c63a5c80c05c8ac896772b471731a81890fc48cf | |
| parent | d31d3b4e64e557b043f88261f46a1759831625ba (diff) | |
ENGR00170145-2 ipuv3 fb: reserve overlay fb buffer with valid resource
Reserve the overlay fb triple buffer when we have a valid
resource for start and end.
Clear the GB fb buffers when we reserve memory for it.
Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>
| -rw-r--r-- | drivers/video/mxc/mxc_ipuv3_fb.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/video/mxc/mxc_ipuv3_fb.c b/drivers/video/mxc/mxc_ipuv3_fb.c index ba652d73028c..46cc9f76a8bf 100644 --- a/drivers/video/mxc/mxc_ipuv3_fb.c +++ b/drivers/video/mxc/mxc_ipuv3_fb.c @@ -1874,7 +1874,7 @@ static void mxcfb_unregister(struct fb_info *fbi) } static int mxcfb_setup_overlay(struct platform_device *pdev, - struct fb_info *fbi_bg) + struct fb_info *fbi_bg, struct resource *res) { struct fb_info *ovfbi; struct mxcfb_info *mxcfbi_bg = (struct mxcfb_info *)fbi_bg->par; @@ -1907,6 +1907,14 @@ static int mxcfb_setup_overlay(struct platform_device *pdev, ovfbi->var.xres = 240; ovfbi->var.yres = 320; + if (res && res->end) { + ovfbi->fix.smem_len = res->end - res->start + 1; + ovfbi->fix.smem_start = res->start; + ovfbi->screen_base = ioremap( + ovfbi->fix.smem_start, + ovfbi->fix.smem_len); + } + ret = mxcfb_register(ovfbi); if (ret < 0) goto register_ov_failed; @@ -1995,6 +2003,7 @@ static int mxcfb_probe(struct platform_device *pdev) fbi->fix.smem_len = res->end - res->start + 1; fbi->fix.smem_start = res->start; fbi->screen_base = ioremap(fbi->fix.smem_start, fbi->fix.smem_len); + memset(fbi->screen_base, 0, fbi->fix.smem_len); } mxcfbi->ipu = ipu_get_soc(mxcfbi->ipu_id); @@ -2018,7 +2027,9 @@ static int mxcfb_probe(struct platform_device *pdev) if (ret < 0) goto mxcfb_register_failed; - ret = mxcfb_setup_overlay(pdev, fbi); + res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + ret = mxcfb_setup_overlay(pdev, fbi, res); + if (ret < 0) { mxcfb_unregister(fbi); goto mxcfb_setupoverlay_failed; |