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rkfb: hdmi and screen share the same buffer in three buffer mode

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This commit is contained in:
yxj
2012-07-23 16:09:57 +08:00
parent 72c0f25381
commit dd61046541
1 changed files with 9 additions and 0 deletions
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9
drivers/video/rockchip/rk_fb.c
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@@ -227,7 +227,9 @@ static int rk_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
par2->y_offset = par->y_offset;
//memcpy(info2->screen_base+par2->y_offset,info->screen_base+par->y_offset,
// var->xres*var->yres*var->bits_per_pixel>>3);
#if !defined(CONFIG_THREE_FB_BUFFER)
fb_copy_by_ipp(info2,info,par->y_offset);
#endif
dev_drv1->pan_display(dev_drv1,layer_id);
//queue_delayed_work(inf->workqueue, &inf->delay_work,0);
}
@@ -754,6 +756,7 @@ static int rk_request_fb_buffer(struct fb_info *fbi,int fb_id)
struct resource *res;
struct resource *mem;
int ret = 0;
struct rk_fb_inf *fb_inf = platform_get_drvdata(g_fb_pdev);
switch(fb_id)
{
case 0:
@@ -782,6 +785,7 @@ static int rk_request_fb_buffer(struct fb_info *fbi,int fb_id)
#endif
break;
case 2:
#if !defined(CONFIG_THREE_FB_BUFFER)
res = platform_get_resource_byname(g_fb_pdev, IORESOURCE_MEM, "fb2 buf");
if (res == NULL)
{
@@ -793,6 +797,11 @@ static int rk_request_fb_buffer(struct fb_info *fbi,int fb_id)
mem = request_mem_region(res->start, resource_size(res), g_fb_pdev->name);
fbi->screen_base = ioremap(res->start, fbi->fix.smem_len);
memset(fbi->screen_base, 0, fbi->fix.smem_len);
#else //three buffer no need to copy
fbi->fix.smem_start = fb_inf->fb[0]->fix.smem_start;
fbi->fix.smem_len = fb_inf->fb[0]->fix.smem_len;
fbi->screen_base = fb_inf->fb[0]->screen_base;
#endif
printk("fb%d:phy:%lx>>vir:%p>>len:0x%x\n",fb_id,
fbi->fix.smem_start,fbi->screen_base,fbi->fix.smem_len);
break;