diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-03-15 16:39:59 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2016-04-01 22:17:34 +0300 |
| commit | 5593946921834a63d89c595ef8459c50d30f5438 (patch) | |
| tree | 33fc435b64e4e8723817b09a1400ec6f01da1567 | |
| parent | 7d1a83cb68172a225c45243e955d9ee41eada8e9 (diff) | |
drm/i915: Remove the "three times for luck" trick from vlv_enable_pll()
VLV DPLL is somewhat sane and doesn't run on luck.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458052809-23426-7-git-send-email-ville.syrjala@linux.intel.com
Acked-by: Jani Nikula <jani.nikula@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 4fbff487cf2b..cf16bdbbda47 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1546,17 +1546,6 @@ static void vlv_enable_pll(struct intel_crtc *crtc, I915_WRITE(DPLL_MD(pipe), pipe_config->dpll_hw_state.dpll_md); POSTING_READ(DPLL_MD(pipe)); - - /* We do this three times for luck */ - I915_WRITE(reg, dpll); - POSTING_READ(reg); - udelay(150); /* wait for warmup */ - I915_WRITE(reg, dpll); - POSTING_READ(reg); - udelay(150); /* wait for warmup */ - I915_WRITE(reg, dpll); - POSTING_READ(reg); - udelay(150); /* wait for warmup */ } static void chv_enable_pll(struct intel_crtc *crtc, |