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fix hdmi bug: display disordered, Supplement

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This commit is contained in:
zyw
2011-07-07 17:14:02 +08:00
parent bc3a2f4a34
commit 4cdbb5cf1f
1 changed files with 14 additions and 12 deletions
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26
drivers/video/rk29_fb.c
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@@ -627,7 +627,7 @@ void load_screen(struct fb_info *info, bool initscreen)
// clk_disable(inf->hclk_cpu_display);
// clk_disable(inf->clk);
ret = clk_set_parent(inf->aclk, inf->aclk_parent);
fbprintk(">>>>>> set lcdc dclk need %d HZ, clk_parent = %d hz ret =%d\n ", screen->pixclock, screen->lcdc_aclk, ret);
@@ -636,20 +636,22 @@ void load_screen(struct fb_info *info, bool initscreen)
{
printk(KERN_ERR ">>>>>> set lcdc dclk failed\n");
}
if(screen->lcdc_aclk){
aclk_rate = screen->lcdc_aclk;
if(initscreen)
{
ret = clk_set_parent(inf->aclk, inf->aclk_parent);
if(screen->lcdc_aclk){
aclk_rate = screen->lcdc_aclk;
}
ret = clk_set_rate(inf->aclk, aclk_rate);
if(ret){
printk(KERN_ERR ">>>>>> set lcdc aclk failed\n");
}
clk_enable(inf->aclk);
}
ret = clk_set_rate(inf->aclk, aclk_rate);
if(ret){
printk(KERN_ERR ">>>>>> set lcdc aclk failed\n");
}
// clk_enable(inf->aclk_ddr_lcdc);
// clk_enable(inf->aclk_disp_matrix);
// clk_enable(inf->hclk_cpu_display);
if(initscreen)
clk_enable(inf->aclk);
// clk_enable(inf->hclk_cpu_display);
// clk_enable(inf->clk);
clk_enable(inf->dclk);