Re: [PATCH 06/13] drm/i915: Make pll functions take crtc_state

["Ville Syrjälä" <ville.syrjala@linux.intel.com>]

On Wed, Oct 03, 2018 at 03:37:08PM +0200, Maarten Lankhorst wrote:
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 56784ae26369..36a8d5fb8881 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -1565,14 +1565,15 @@ static void i9xx_enable_pll(struct intel_crtc *crtc,
>  	}
>  }
>  
> -static void i9xx_disable_pll(struct intel_crtc *crtc)
> +static void i9xx_disable_pll(const struct intel_crtc_state *crtc_state)
>  {
> +	struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
>  	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
>  	enum pipe pipe = crtc->pipe;
>  
>  	/* Disable DVO 2x clock on both PLLs if necessary */
>  	if (IS_I830(dev_priv) &&
> -	    intel_crtc_has_type(crtc->config, INTEL_OUTPUT_DVO) &&
> +	    intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DVO) &&
>  	    !intel_num_dvo_pipes(dev_priv)) {
>  		I915_WRITE(DPLL(PIPE_B),
>  			   I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE);
> @@ -4323,10 +4324,10 @@ static void ivb_manual_fdi_link_train(struct intel_crtc *crtc,
>  	DRM_DEBUG_KMS("FDI train done.\n");
>  }

Looks like you missed i9xx_set_pll_dividers() here. I think I saw it in
a later patch though, but maybe move it here?

commit msg...

Otherwise
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>

>  
> -static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
> +static void ironlake_fdi_pll_enable(const struct intel_crtc_state *crtc_state)
>  {
> -	struct drm_device *dev = intel_crtc->base.dev;
> -	struct drm_i915_private *dev_priv = to_i915(dev);
> +	struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
> +	struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
>  	int pipe = intel_crtc->pipe;
>  	i915_reg_t reg;
>  	u32 temp;
> @@ -4335,7 +4336,7 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
>  	reg = FDI_RX_CTL(pipe);
>  	temp = I915_READ(reg);
>  	temp &= ~(FDI_DP_PORT_WIDTH_MASK | (0x7 << 16));
> -	temp |= FDI_DP_PORT_WIDTH(intel_crtc->config->fdi_lanes);
> +	temp |= FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes);
>  	temp |= (I915_READ(PIPECONF(pipe)) & PIPECONF_BPC_MASK) << 11;
>  	I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
>  
> @@ -5614,7 +5615,7 @@ static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
>  		/* Note: FDI PLL enabling _must_ be done before we enable the
>  		 * cpu pipes, hence this is separate from all the other fdi/pch
>  		 * enabling. */
> -		ironlake_fdi_pll_enable(intel_crtc);
> +		ironlake_fdi_pll_enable(pipe_config);
>  	} else {
>  		assert_fdi_tx_disabled(dev_priv, pipe);
>  		assert_fdi_rx_disabled(dev_priv, pipe);
> @@ -6211,7 +6212,7 @@ static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
>  		else if (IS_VALLEYVIEW(dev_priv))
>  			vlv_disable_pll(dev_priv, pipe);
>  		else
> -			i9xx_disable_pll(intel_crtc);
> +			i9xx_disable_pll(old_crtc_state);
>  	}
>  
>  	intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state);
> -- 
> 2.19.0
> 
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-- 
Ville Syrjälä
Intel
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