To reset the ICB on resume the MExxCTL register needs to be OR'ed with
MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF, no set to that value. Fix this.
This fixes corruption at the bottom of the display when resuming from
runtime PM.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
drivers/video/sh_mobile_meram.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/video/sh_mobile_meram.c b/drivers/video/sh_mobile_meram.c
index f7e77f6..4ad083c 100644
--- a/drivers/video/sh_mobile_meram.c
+++ b/drivers/video/sh_mobile_meram.c
@@ -552,7 +552,7 @@ static int sh_mobile_meram_runtime_suspend(struct device *dev)
meram_read_icb(priv->base, j, icb_regs[k]);
/* Reset ICB on resume */
if (icb_regs[k] = MExxCTL)
- priv->icb_saved_regs[j * ICB_REGS_SIZE + k] + priv->icb_saved_regs[j * ICB_REGS_SIZE + k] | MExxCTL_WBF | MExxCTL_WF | MExxCTL_RF;
}
}
--
1.7.3.4