[PATCH] OMAP: DSS: Fix for dsi_pll to dpll4 clk switch

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When switching between clocks, The new functional clock is
effective when the next vertical blanking interval occurs.
GOLCD bit has to be set for the new clock to take effect.

Signed-off-by: Kishore Y <kishore.y@xxxxxx>
Signed-off-by: Mukund Mittal <mmittal@xxxxxx>
Signed-off-by: Rajkumar N <rajkumar.nagarajan@xxxxxx>
---
 drivers/video/omap2/dss/dpi.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 960e977..5d778d6 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -214,10 +214,15 @@ void omapdss_dpi_display_disable(struct omap_dss_device *dssdev)
 
 #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
 	dss_select_dispc_clk_source(DSS_SRC_DSS1_ALWON_FCLK);
+	dispc_go(OMAP_DSS_CHANNEL_LCD);
+	while	(dispc_go_busy(OMAP_DSS_CHANNEL_LCD))
+		;
 	dsi_pll_uninit();
 	dss_clk_disable(DSS_CLK_FCK2);
 #endif
 
+	dispc_enable_channel(OMAP_DSS_CHANNEL_LCD, 0);
+
 	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
 
 	if (cpu_is_omap34xx())
-- 
1.5.4.3
--
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