aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/video/bf54x-lq043fb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/bf54x-lq043fb.c')
-rw-r--r--drivers/video/bf54x-lq043fb.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 940467aed13f..6d5aa806777e 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -733,7 +733,6 @@ static int bfin_bf54x_remove(struct platform_device *pdev)
733static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state) 733static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state)
734{ 734{
735 struct fb_info *fbinfo = platform_get_drvdata(pdev); 735 struct fb_info *fbinfo = platform_get_drvdata(pdev);
736 struct bfin_bf54xfb_info *info = fbinfo->par;
737 736
738 bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN); 737 bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN);
739 disable_dma(CH_EPPI0); 738 disable_dma(CH_EPPI0);
@@ -747,8 +746,18 @@ static int bfin_bf54x_resume(struct platform_device *pdev)
747 struct fb_info *fbinfo = platform_get_drvdata(pdev); 746 struct fb_info *fbinfo = platform_get_drvdata(pdev);
748 struct bfin_bf54xfb_info *info = fbinfo->par; 747 struct bfin_bf54xfb_info *info = fbinfo->par;
749 748
750 enable_dma(CH_EPPI0); 749 if (info->lq043_open_cnt) {
751 bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN); 750
751 bfin_write_EPPI0_CONTROL(0);
752 SSYNC();
753
754 config_dma(info);
755 config_ppi(info);
756
757 /* start dma */
758 enable_dma(CH_EPPI0);
759 bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
760 }
752 761
753 return 0; 762 return 0;
754} 763}