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fix hdmi bug: display disordered

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This commit is contained in:
zyw
2011-07-07 16:49:55 +08:00
parent c6f61fe1bf
commit bc3a2f4a34
1 changed files with 18 additions and 13 deletions
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31
drivers/video/rk29_fb.c
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@@ -213,6 +213,7 @@ struct rk29fb_inf {
int mcu_usetimer;
int mcu_stopflush;
int setFlag;
/* external memery */
char __iomem *screen_base2;
__u32 smem_len2;
@@ -618,14 +619,14 @@ void load_screen(struct fb_info *info, bool initscreen)
if(initscreen == 0) //not init
{
clk_disable(inf->dclk);
clk_disable(inf->aclk);
// clk_disable(inf->aclk);
}
clk_disable(inf->aclk_ddr_lcdc);
clk_disable(inf->aclk_disp_matrix);
clk_disable(inf->hclk_cpu_display);
// clk_disable(inf->aclk_ddr_lcdc);
// clk_disable(inf->aclk_disp_matrix);
// clk_disable(inf->hclk_cpu_display);
clk_disable(inf->clk);
// 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);
@@ -644,12 +645,12 @@ void load_screen(struct fb_info *info, bool initscreen)
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);
clk_enable(inf->aclk);
clk_enable(inf->clk);
// 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->clk);
clk_enable(inf->dclk);
// init screen panel
@@ -1310,6 +1311,7 @@ static int fb0_set_par(struct fb_info *info)
fbprintk(">>>>>> %s : %s\n", __FILE__, __FUNCTION__);
inf->setFlag = 0;
CHK_SUSPEND(inf);
if(inf->fb0_color_deepth)var->bits_per_pixel=inf->fb0_color_deepth;
@@ -1410,7 +1412,7 @@ static int fb0_set_par(struct fb_info *info)
par->ysize = screen->y_res;
win0_set_par(info);
}
inf->setFlag = 1;
return 0;
}
@@ -1996,7 +1998,10 @@ int fb1_release(struct fb_info *info, int user)
struct fb_var_screeninfo *var0 = &info->var;
fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
if(inf->setFlag == 0)
{
wait_event_interruptible_timeout(wq, inf->setFlag, HZ*10);
}
if(par->refcount) {
par->refcount--;
inf->video_mode = 0;