diff options
| author |   Luc Verhaegen <libv@skynet.be> | 2014-11-14 13:26:48 +0100 |
|---|---|---|
| committer |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-11-14 15:28:33 +0200 |
| commit | 1270be4a4fb852630280638cbb169b67c485b3e3 (patch) | |
| tree | d46e830f67aef08924395ce4e9c4800921bf6a95 /drivers/video/fbdev/simplefb.c | |
| parent | dt-bindings: Add a clocks property to the simple-framebuffer binding (diff) | |
| download | linux-dev-1270be4a4fb852630280638cbb169b67c485b3e3.tar.xz linux-dev-1270be4a4fb852630280638cbb169b67c485b3e3.zip | |
simplefb: formalize pseudo palette handling
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>
Diffstat (limited to 'drivers/video/fbdev/simplefb.c')
| -rw-r--r-- | drivers/video/fbdev/simplefb.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c index 210f3a02121a..ec112c13eb05 100644 --- a/drivers/video/fbdev/simplefb.c +++ b/drivers/video/fbdev/simplefb.c @@ -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, |