Re: [PATCH 08/20] drm/i915: Don't use encoder->new_crtc in intel_modeset_pipe_config()

[Daniel Vetter <daniel@ffwll.ch>]

On Fri, Mar 20, 2015 at 04:18:08PM +0200, Ander Conselvan de Oliveira wrote:
> Move towards atomic by using the legacy modeset's drm_atomic_state
> instead.
> 
> v2: Move call to drm_atomic_add_affected_connectors() to
>     intel_modeset_compute_config(). (Daniel)
> 
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index b76726f..7851d6c 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10434,8 +10434,11 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
>  {
>  	struct drm_device *dev = crtc->dev;
>  	struct intel_encoder *encoder;
> +	struct intel_connector *connector;
> +	struct drm_connector_state *connector_state;
>  	struct intel_crtc_state *pipe_config;
>  	int plane_bpp, ret = -EINVAL;
> +	int i;
>  	bool retry = true;
>  
>  	if (!check_encoder_cloning(to_intel_crtc(crtc))) {
> @@ -10509,11 +10512,17 @@ encoder_retry:
>  	 * adjust it according to limitations or connector properties, and also
>  	 * a chance to reject the mode entirely.
>  	 */
> -	for_each_intel_encoder(dev, encoder) {
> +	for (i = 0; i < state->num_connector; i++) {
> +		connector = to_intel_connector(state->connectors[i]);
> +		if (!connector)
> +			continue;
>  
> -		if (&encoder->new_crtc->base != crtc)
> +		connector_state = state->connector_states[i];
> +		if (connector_state->crtc != crtc)
>  			continue;
>  
> +		encoder = to_intel_encoder(connector_state->best_encoder);
> +
>  		if (!(encoder->compute_config(encoder, pipe_config))) {
>  			DRM_DEBUG_KMS("Encoder config failure\n");
>  			goto fail;
> @@ -11237,6 +11246,10 @@ intel_modeset_compute_config(struct drm_crtc *crtc,
>  	struct intel_crtc *intel_crtc;
>  	int ret = 0;
>  
> +	ret = drm_atomic_add_affected_connectors(state, crtc);

Ah, here's the usage of ret that I've missed in the first patch.
-Daniel

> +	if (ret)
> +		return ERR_PTR(ret);
> +
>  	intel_modeset_affected_pipes(crtc, modeset_pipes,
>  				     prepare_pipes, disable_pipes);
>  
> -- 
> 2.1.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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