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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-07-13 12:13:47 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2011-08-19 08:22:44 +0200 |
| commit | d86d29df57adf9258f56939e59cdd70932845885 (patch) | |
| tree | a8a4c65a7adeef40caf5df084c8078f4aab0c4d8 | |
| parent | 7963e21e50c8e712553347f900f0d0afaf5be2aa (diff) | |
| download | talos-op-linux-d86d29df57adf9258f56939e59cdd70932845885.tar.gz talos-op-linux-d86d29df57adf9258f56939e59cdd70932845885.zip | |
fbdev: sh_mobile_meram: Fix MExxCTL register save on runtime PM suspend
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>
| -rw-r--r-- | 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 25a7118a40f8..7ba6dce459b2 100644 --- a/drivers/video/sh_mobile_meram.c +++ b/drivers/video/sh_mobile_meram.c @@ -549,7 +549,7 @@ 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; } } |
