From 8e70c9ce2c7caaac96b643daa7adb007515ac68b Mon Sep 17 00:00:00 2001 From: Wen Yi Date: Wed, 30 Mar 2011 15:48:23 -0700 Subject: video: tegra: dc: emc scaling based on overlay and panel freq Using a factor of two to increase the emc frequency required by the display panel to prevent underflow. Bug 800993 Change-Id: Ibb60a88a4efb384bce6f1277022b335540f11a2e Reviewed-on: http://git-master/r/24862 Reviewed-by: Wen Yi Tested-by: Wen Yi Reviewed-by: Daniel Willemsen Reviewed-by: Bharat Nihalani --- drivers/video/tegra/dc/overlay.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/video/tegra/dc/overlay.c b/drivers/video/tegra/dc/overlay.c index 99aa4e8825e4..b76d87ced011 100644 --- a/drivers/video/tegra/dc/overlay.c +++ b/drivers/video/tegra/dc/overlay.c @@ -312,7 +312,7 @@ static void tegra_overlay_set_emc_freq(struct tegra_overlay_info *dev) for (i = 0; i < dev->dc->n_windows; i++) { if (dev->overlays[i].owner != NULL) - emc_freq += dev->dc->mode.pclk*(i==1?2:1); + emc_freq += dev->dc->mode.pclk*(i==1?2:1)*2; } clk_set_rate(dev->dc->emc_clk, emc_freq); } -- cgit v1.2.3