From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Use the proper refclock frequency (100MHz) when reading out the
current DSI clock on CHV.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
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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