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fbdev: sh_mobile_lcdc: Remove sh_mobile_lcdc_set_bpp() 

The function duplicates code found in sh_mobile_check_var(). Remove
sh_mobile_lcdc_set_bpp() and call sh_mobile_check_var() instead.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Laurent Pinchart 2011-08-31 13:00:59 +02:00 committed by Florian Tobias Schandinat
parent 3ce0559990
commit a67472ad1a
1 changed files with 17 additions and 70 deletions
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87
drivers/video/sh_mobile_lcdcfb.c
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@ -1291,66 +1291,6 @@ static void sh_mobile_lcdc_bl_remove(struct backlight_device *bdev)
backlight_device_unregister(bdev);
}
static int sh_mobile_lcdc_set_bpp(struct fb_var_screeninfo *var, int bpp,
int nonstd)
{
if (nonstd) {
switch (bpp) {
case 12:
case 16:
case 24:
var->bits_per_pixel = bpp;
var->nonstd = nonstd;
return 0;
default:
return -EINVAL;
}
}
switch (bpp) {
case 16: /* PKF[4:0] = 00011 - RGB 565 */
var->red.offset = 11;
var->red.length = 5;
var->green.offset = 5;
var->green.length = 6;
var->blue.offset = 0;
var->blue.length = 5;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 24: /* PKF[4:0] = 01011 - RGB 888 */
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 0;
var->transp.length = 0;
break;
case 32: /* PKF[4:0] = 00000 - RGBA 888 */
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
var->green.length = 8;
var->blue.offset = 0;
var->blue.length = 8;
var->transp.offset = 24;
var->transp.length = 8;
break;
default:
return -EINVAL;
}
var->bits_per_pixel = bpp;
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
var->transp.msb_right = 0;
return 0;
}
static int sh_mobile_lcdc_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@ -1499,6 +1439,9 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
int ret;
int i;
mutex_init(&ch->open_lock);
/* Allocate the frame buffer device. */
ch->info = framebuffer_alloc(0, dev);
if (!ch->info) {
dev_err(dev, "unable to allocate fb_info\n");
@ -1506,11 +1449,10 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
}
info = ch->info;
var = &info->var;
info->fbops = &sh_mobile_lcdc_ops;
info->par = ch;
mutex_init(&ch->open_lock);
info->pseudo_palette = &ch->pseudo_palette;
info->flags = FBINFO_FLAG_DEFAULT;
/* Iterate through the modes to validate them and find the highest
* resolution.
@ -1541,13 +1483,15 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
dev_dbg(dev, "Found largest videomode %ux%u\n",
max_mode->xres, max_mode->yres);
/* Initialize fixed screen information. Restrict pan to 2 lines steps
* for NV12.
*/
info->fix = sh_mobile_lcdc_fix;
info->fix.smem_len = max_size * 2 * cfg->bpp / 8;
/* Only pan in 2 line steps for NV12 */
if (cfg->nonstd && cfg->bpp == 12)
info->fix.ypanstep = 2;
/* Create the mode list. */
if (cfg->lcd_cfg == NULL) {
mode = &default_720p;
num_cfg = 1;
@ -1558,17 +1502,23 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
fb_videomode_to_modelist(mode, num_cfg, &info->modelist);
/* Initialize variable screen information using the first mode as
* default. The default Y virtual resolution is twice the panel size to
* allow for double-buffering.
*/
var = &info->var;
fb_videomode_to_var(var, mode);
var->bits_per_pixel = cfg->bpp;
var->width = cfg->lcd_size_cfg.width;
var->height = cfg->lcd_size_cfg.height;
/* Default Y virtual resolution is 2x panel size */
var->yres_virtual = var->yres * 2;
var->activate = FB_ACTIVATE_NOW;
ret = sh_mobile_lcdc_set_bpp(var, cfg->bpp, cfg->nonstd);
ret = sh_mobile_check_var(var, info);
if (ret)
return ret;
/* Allocate frame buffer memory and color map. */
buf = dma_alloc_coherent(dev, info->fix.smem_len, &ch->dma_handle,
GFP_KERNEL);
if (!buf) {
@ -1576,9 +1526,6 @@ static int __devinit sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_chan *ch,
return -ENOMEM;
}
info->pseudo_palette = &ch->pseudo_palette;
info->flags = FBINFO_FLAG_DEFAULT;
ret = fb_alloc_cmap(&info->cmap, PALETTE_NR, 0);
if (ret < 0) {
dev_err(dev, "unable to allocate cmap\n");