[PATCH 08/40] drm/i915: Leave DPLL ref clocks on

ville.syrjala
2014-06-27T23:05:11Z

From: Ville Syrjälä <ville.syrjala@linux.intel.com>

We enable the DPLL refclock already when bringing up the cmnlane power
well, so also leave it on when otherwise disabling the DPLL.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4abf8b6f..a430699f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1709,7 +1709,7 @@ static void chv_disable_pll(struct drm_i915_private *dev_priv, enum pipe pipe)
assert_pipe_disabled(dev_priv, pipe);

/* Set PLL en = 0 */
- val = DPLL_SSC_REF_CLOCK_CHV;
+ val = DPLL_SSC_REF_CLOCK_CHV | DPLL_REFA_CLK_ENABLE_VLV;
if (pipe != PIPE_A)
val |= DPLL_INTEGRATED_CRI_CLK_VLV;
I915_WRITE(DPLL(pipe), val);
--
1.8.5.5