From: Ville Syrjälä <[email protected]>

Use the proper refclock frequency (100MHz) when reading out the
current DSI clock on CHV.

Signed-off-by: Ville Syrjälä <[email protected]>
---
 drivers/gpu/drm/i915/intel_dsi_pll.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c 
b/drivers/gpu/drm/i915/intel_dsi_pll.c
index d35c8dc28fb6..99236baa946b 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -255,7 +255,7 @@ static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, 
int pipe_bpp,
        u32 dsi_clock, pclk;
        u32 pll_ctl, pll_div;
        u32 m = 0, p = 0, n;
-       int refclk = 25000;
+       int refclk = IS_CHERRYVIEW(dev_priv) ? 100000 : 25000;
        int i;
 
        DRM_DEBUG_KMS("\n");
-- 
2.4.10

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