OMAPDSS: DSI: workaround for HSDiv problem

It looks like on many OMAP versions powers for both HSClk and HSDiv to
be enabled to have a functional HSDiv.

This patch fixes the issue by forcing both powers on.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c
index ea5c6603a51dea65749a142cda466bd1aba5492b..e773f44b523d0db23b5c1722d412d73d8288a4bc 100644 (file)
--- a/drivers/video/omap2/dss/dsi.c
+++ b/drivers/video/omap2/dss/dsi.c
@@ -1741,6 +1741,12 @@ int dsi_pll_init(struct platform_device *dsidev, bool enable_hsclk,
 
        DSSDBG("PLL init\n");
 
+       /*
+        * It seems that on many OMAPs we need to enable both to have a
+        * functional HSDivider.
+        */
+       enable_hsclk = enable_hsdiv = true;
+
        if (dsi->vdds_dsi_reg == NULL) {
                struct regulator *vdds_dsi;