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path: root/drivers/video/bf54x-lq043fb.c
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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)
static int bfin_bf54x_suspend(struct platform_device *pdev, pm_message_t state)
{
struct fb_info *fbinfo = platform_get_drvdata(pdev);
- struct bfin_bf54xfb_info *info = fbinfo->par;
bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() & ~EPPI_EN);
disable_dma(CH_EPPI0);
@@ -747,8 +746,18 @@ static int bfin_bf54x_resume(struct platform_device *pdev)
struct fb_info *fbinfo = platform_get_drvdata(pdev);
struct bfin_bf54xfb_info *info = fbinfo->par;
- enable_dma(CH_EPPI0);
- bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+ if (info->lq043_open_cnt) {
+
+ bfin_write_EPPI0_CONTROL(0);
+ SSYNC();
+
+ config_dma(info);
+ config_ppi(info);
+
+ /* start dma */
+ enable_dma(CH_EPPI0);
+ bfin_write_EPPI0_CONTROL(bfin_read_EPPI0_CONTROL() | EPPI_EN);
+ }
return 0;
}

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