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simplefb: formalize pseudo palette handling

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Add a proper struct describing simplefb private data, with the palette in there,
instead of directly storing the palette in the fb_info->par pointer.

Signed-off-by: Luc Verhaegen <libv@skynet.be>
Acked-by: Stephen Warren <swarren@nvidia.com>
[hdegoede@redhat.com: drop unnecessary void * cast]
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
This commit is contained in:
Luc Verhaegen 2014-11-14 13:26:48 +01:00 committed by Tomi Valkeinen
parent 9ee4cd1aa3
commit 1270be4a4f
1 changed files with 12 additions and 3 deletions
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15
drivers/video/fbdev/simplefb.c
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@ -41,6 +41,8 @@ static struct fb_var_screeninfo simplefb_var = {
.vmode = FB_VMODE_NONINTERLACED,
};
#define PSEUDO_PALETTE_SIZE 16
static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
@ -50,7 +52,7 @@ static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u32 cb = blue >> (16 - info->var.blue.length);
u32 value;
if (regno >= 16)
if (regno >= PSEUDO_PALETTE_SIZE)
return -EINVAL;
value = (cr << info->var.red.offset) |
@ -163,11 +165,16 @@ static int simplefb_parse_pd(struct platform_device *pdev,
return 0;
}
struct simplefb_par {
u32 palette[PSEUDO_PALETTE_SIZE];
};
static int simplefb_probe(struct platform_device *pdev)
{
int ret;
struct simplefb_params params;
struct fb_info *info;
struct simplefb_par *par;
struct resource *mem;
if (fb_get_options("simplefb", NULL))
@ -188,11 +195,13 @@ static int simplefb_probe(struct platform_device *pdev)
return -EINVAL;
}
info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
info = framebuffer_alloc(sizeof(struct simplefb_par), &pdev->dev);
if (!info)
return -ENOMEM;
platform_set_drvdata(pdev, info);
par = info->par;
info->fix = simplefb_fix;
info->fix.smem_start = mem->start;
info->fix.smem_len = resource_size(mem);
@ -225,7 +234,7 @@ static int simplefb_probe(struct platform_device *pdev)
framebuffer_release(info);
return -ENODEV;
}
info->pseudo_palette = (void *)(info + 1);
info->pseudo_palette = par->palette;
dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
info->fix.smem_start, info->fix.smem_len,