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path: root/drivers/video/simplefb.c
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Diffstat (limited to 'drivers/video/simplefb.c')
-rw-r--r--drivers/video/simplefb.c24
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c
index 8d7810613058..210f3a02121a 100644
--- a/drivers/video/simplefb.c
+++ b/drivers/video/simplefb.c
@@ -66,8 +66,15 @@ static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
return 0;
}
+static void simplefb_destroy(struct fb_info *info)
+{
+ if (info->screen_base)
+ iounmap(info->screen_base);
+}
+
static struct fb_ops simplefb_ops = {
.owner = THIS_MODULE,
+ .fb_destroy = simplefb_destroy,
.fb_setcolreg = simplefb_setcolreg,
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
@@ -132,7 +139,7 @@ static int simplefb_parse_dt(struct platform_device *pdev,
static int simplefb_parse_pd(struct platform_device *pdev,
struct simplefb_params *params)
{
- struct simplefb_platform_data *pd = pdev->dev.platform_data;
+ struct simplefb_platform_data *pd = dev_get_platdata(&pdev->dev);
int i;
params->width = pd->width;
@@ -167,7 +174,7 @@ static int simplefb_probe(struct platform_device *pdev)
return -ENODEV;
ret = -ENODEV;
- if (pdev->dev.platform_data)
+ if (dev_get_platdata(&pdev->dev))
ret = simplefb_parse_pd(pdev, &params);
else if (pdev->dev.of_node)
ret = simplefb_parse_dt(pdev, &params);
@@ -212,17 +219,26 @@ static int simplefb_probe(struct platform_device *pdev)
info->fbops = &simplefb_ops;
info->flags = FBINFO_DEFAULT | FBINFO_MISC_FIRMWARE;
- info->screen_base = devm_ioremap(&pdev->dev, info->fix.smem_start,
- info->fix.smem_len);
+ info->screen_base = ioremap_wc(info->fix.smem_start,
+ info->fix.smem_len);
if (!info->screen_base) {
framebuffer_release(info);
return -ENODEV;
}
info->pseudo_palette = (void *)(info + 1);
+ dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
+ info->fix.smem_start, info->fix.smem_len,
+ info->screen_base);
+ dev_info(&pdev->dev, "format=%s, mode=%dx%dx%d, linelength=%d\n",
+ params.format->name,
+ info->var.xres, info->var.yres,
+ info->var.bits_per_pixel, info->fix.line_length);
+
ret = register_framebuffer(info);
if (ret < 0) {
dev_err(&pdev->dev, "Unable to register simplefb: %d\n", ret);
+ iounmap(info->screen_base);
framebuffer_release(info);
return ret;
}