Re: [Intel-gfx] [PATCH 07/21] drm/i915: Check for eDP insideintel_edp_panel_vdd_on/off

[Daniel Vetter]

On Thu, Sep 29, 2011 at 06:09:39PM -0700, Keith Packard wrote:
> Cleans up code dealing with eDP VDD a bit.  Remove redundant checks in
> callers
> 
> Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_dp.c |   20 ++++++++++----------
>  1 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
> index a983d0f..da725d8 100644
> --- a/drivers/gpu/drm/i915/intel_dp.c
> +++ b/drivers/gpu/drm/i915/intel_dp.c
> @@ -832,6 +832,8 @@ static void ironlake_edp_panel_vdd_on(struct intel_dp *intel_dp)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	u32 pp;
>  
> +	if (!is_edp(intel_dp))
> +		return;
>  	/*
>  	 * If the panel wasn't on, make sure there's not a currently
>  	 * active PP sequence before enabling AUX VDD.
> @@ -853,6 +855,8 @@ static void ironlake_edp_panel_vdd_off(struct intel_dp *intel_dp)
>  	struct drm_i915_private *dev_priv = dev->dev_private;
>  	u32 pp;
>  
> +	if (!is_edp(intel_dp))
> +		return;
>  	pp = I915_READ(PCH_PP_CONTROL);
>  	pp &= ~PANEL_UNLOCK_MASK;
>  	pp |= PANEL_UNLOCK_REGS;
> @@ -1034,15 +1038,13 @@ static void intel_dp_commit(struct drm_encoder *encoder)
>  	struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
>  	struct drm_device *dev = encoder->dev;
>  
> -	if (is_edp(intel_dp))
> -		ironlake_edp_panel_vdd_on(intel_dp);
> +	ironlake_edp_panel_vdd_on(intel_dp);
>  
>  	intel_dp_start_link_train(intel_dp);
>  
> -	if (is_edp(intel_dp)) {
> +	if (is_edp(intel_dp))
>  		ironlake_edp_panel_on(intel_dp);

Why not also move the id_edp check into edp_panel_on|off like for the vdd
functions? This way it looks a bit inconsistent ...
-Daniel

> -		ironlake_edp_panel_vdd_off(intel_dp);
> -	}
> +	ironlake_edp_panel_vdd_off(intel_dp);
>  
>  	intel_dp_complete_link_train(intel_dp);
>  
> @@ -1070,15 +1072,13 @@ intel_dp_dpms(struct drm_encoder *encoder, int mode)
>  		if (is_edp(intel_dp) && !is_pch_edp(intel_dp))
>  			ironlake_edp_pll_off(encoder);
>  	} else {
> -		if (is_edp(intel_dp))
> -			ironlake_edp_panel_vdd_on(intel_dp);
> +		ironlake_edp_panel_vdd_on(intel_dp);
>  		intel_dp_sink_dpms(intel_dp, mode);
>  		if (!(dp_reg & DP_PORT_EN)) {
>  			intel_dp_start_link_train(intel_dp);
> -			if (is_edp(intel_dp)) {
> +			if (is_edp(intel_dp))
>  				ironlake_edp_panel_on(intel_dp);
> -				ironlake_edp_panel_vdd_off(intel_dp);
> -			}
> +			ironlake_edp_panel_vdd_off(intel_dp);
>  			intel_dp_complete_link_train(intel_dp);
>  		}
>  		if (is_edp(intel_dp))
> -- 
> 1.7.6.3
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Mail: daniel@xxxxxxxx
Mobile: +41 (0)79 365 57 48
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