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add display power domain ctrl in fb

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This commit is contained in:
zyw
2011-03-21 15:39:02 +08:00
parent 8629f700ae
commit ce8689493f
1 changed files with 7 additions and 6 deletions
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13
drivers/video/rk29_fb.c
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@@ -451,7 +451,6 @@ int init_lcdc(struct fb_info *info)
fbprintk(">>>>>> %s : %s \n", __FILE__, __FUNCTION__);
pmu_set_power_domain(PD_DISPLAY, 1);
inf->clk = clk_get(NULL, "hclk_lcdc");
inf->aclk_ddr_lcdc = clk_get(NULL, "aclk_ddr_lcdc");
inf->aclk_disp_matrix = clk_get(NULL, "aclk_disp_matrix");
@@ -461,10 +460,11 @@ int init_lcdc(struct fb_info *info)
printk(KERN_ERR "failed to get lcdc_hclk source\n");
return PTR_ERR(inf->clk);
}
clk_enable(inf->aclk_ddr_lcdc);
clk_enable(inf->aclk_disp_matrix);
clk_enable(inf->hclk_cpu_display);
clk_enable(inf->clk);
pmu_set_power_domain(PD_DISPLAY, 1);
clk_enable(inf->aclk_ddr_lcdc);
// set AHB access rule and disable all windows
LcdWrReg(inf, SYS_CONFIG, 0x60000000);
@@ -2175,7 +2175,7 @@ static int rk29fb_suspend(struct platform_device *pdev, pm_message_t mesg)
if(inf->clk){
clk_disable(inf->aclk);
}
// pmu_set_power_domain(PD_DISPLAY, 0);
pmu_set_power_domain(PD_DISPLAY, 0);
inf->in_suspend = 1;
}
return 0;
@@ -2196,12 +2196,13 @@ static int rk29fb_resume(struct platform_device *pdev)
if(inf->in_suspend)
{
inf->in_suspend = 0;
// pmu_set_power_domain(PD_DISPLAY, 1);
fbprintk(">>>>>> enable the lcdc clk! \n");
clk_enable(inf->aclk_ddr_lcdc);
clk_enable(inf->aclk_disp_matrix);
clk_enable(inf->hclk_cpu_display);
clk_enable(inf->clk);
pmu_set_power_domain(PD_DISPLAY, 1);
clk_enable(inf->aclk_ddr_lcdc);
if (inf->dclk){
clk_enable(inf->dclk);
}
@@ -2661,7 +2662,7 @@ static void rk29fb_shutdown(struct platform_device *pdev)
if(inf->clk){
clk_disable(inf->aclk);
}
// pmu_set_power_domain(PD_DISPLAY, 0);
pmu_set_power_domain(PD_DISPLAY, 0);
inf->in_suspend = 1;
}