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@xxxxxxxxxxxxxxxx> --- 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 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
