On Tue, 15 Mar 2016, ville.syrj...@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrj...@linux.intel.com>
>
> VLV DPLL is somewhat sane and doesn't run on luck.
>
> Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>

Acked-by: Jani Nikula <jani.nik...@intel.com>

> ---
>  drivers/gpu/drm/i915/intel_display.c | 11 -----------
>  1 file changed, 11 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c 
> b/drivers/gpu/drm/i915/intel_display.c
> index d3332a33f8a7..c85b77c1188d 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1590,17 +1590,6 @@ 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,

-- 
Jani Nikula, Intel Open Source Technology Center
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