[Intel-gfx] [PATCH 3/6] drm/i915: Move hw.active assignment into intel_crtc_get_pipe_config()

[Navare, Manasi]

On Thu, Nov 12, 2020 at 09:17:15PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> No reason to make the callers of intel_crtc_get_pipe_config()
> populate hw.active. Let's do it in intel_crtc_get_pipe_config()
> itself. hw.enable we leave up to the callers since it's slightly
> different for readout vs. state check.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 14 ++++++++++----
>  1 file changed, 10 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index a8287414937c..889642bef192 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -11412,7 +11412,12 @@ static bool intel_crtc_get_pipe_config(struct intel_crtc_state *crtc_state)
>  	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
>  	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
>  
> -	return i915->display.get_pipe_config(crtc, crtc_state);
> +	if (!i915->display.get_pipe_config(crtc, crtc_state))
> +		return false;
> +
> +	crtc_state->hw.active = true;
> +
> +	return true;

In that case this function can just return a void right, we are not catching the return value in the caller anyways now

With that change

Reviewed-by: Manasi Navare <manasi.d.navare at intel.com>

Manasi

>  }
>  
>  static u32 intel_cursor_base(const struct intel_plane_state *plane_state)
> @@ -14430,7 +14435,7 @@ verify_crtc_state(struct intel_crtc *crtc,
>  
>  	pipe_config->hw.enable = new_crtc_state->hw.enable;
>  
> -	pipe_config->hw.active = intel_crtc_get_pipe_config(pipe_config);
> +	intel_crtc_get_pipe_config(pipe_config);
>  
>  	/* we keep both pipes enabled on 830 */
>  	if (IS_I830(dev_priv) && pipe_config->hw.active)
> @@ -18742,8 +18747,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
>  		intel_crtc_free_hw_state(crtc_state);
>  		intel_crtc_state_reset(crtc_state, crtc);
>  
> -		crtc_state->hw.active = crtc_state->hw.enable =
> -			intel_crtc_get_pipe_config(crtc_state);
> +		intel_crtc_get_pipe_config(crtc_state);
> +
> +		crtc_state->hw.enable = crtc_state->hw.active;
>  
>  		crtc->base.enabled = crtc_state->hw.enable;
>  		crtc->active = crtc_state->hw.active;
> -- 
> 2.26.2
> 
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