Re: [PATCH v2 6/6] drm/atomic: Remove drm_atomic_connectors_for_crtc.

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On Mon, Jan 04, 2016 at 12:53:20PM +0100, Maarten Lankhorst wrote:
> Now that connector_mask is reliable there's no need for this
> function any more.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>

Since this doesn't touch i915 I figured I can merge this one too. So
except for the previous i915 patch it's now all in drm-misc.
-Daniel

> ---
>  drivers/gpu/drm/drm_atomic.c        | 30 ------------------------------
>  drivers/gpu/drm/drm_atomic_helper.c | 10 ++++------
>  drivers/gpu/drm/vc4/vc4_crtc.c      |  2 +-
>  include/drm/drm_atomic.h            |  4 ----
>  4 files changed, 5 insertions(+), 41 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
> index 14b321580517..d3ed12447fbb 100644
> --- a/drivers/gpu/drm/drm_atomic.c
> +++ b/drivers/gpu/drm/drm_atomic.c
> @@ -1183,36 +1183,6 @@ drm_atomic_add_affected_planes(struct drm_atomic_state *state,
>  EXPORT_SYMBOL(drm_atomic_add_affected_planes);
>  
>  /**
> - * drm_atomic_connectors_for_crtc - count number of connected outputs
> - * @state: atomic state
> - * @crtc: DRM crtc
> - *
> - * This function counts all connectors which will be connected to @crtc
> - * according to @state. Useful to recompute the enable state for @crtc.
> - */
> -int
> -drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
> -			       struct drm_crtc *crtc)
> -{
> -	struct drm_connector *connector;
> -	struct drm_connector_state *conn_state;
> -
> -	int i, num_connected_connectors = 0;
> -
> -	for_each_connector_in_state(state, connector, conn_state, i) {
> -		if (conn_state->crtc == crtc)
> -			num_connected_connectors++;
> -	}
> -
> -	DRM_DEBUG_ATOMIC("State %p has %i connectors for [CRTC:%d:%s]\n",
> -			 state, num_connected_connectors,
> -			 crtc->base.id, crtc->name);
> -
> -	return num_connected_connectors;
> -}
> -EXPORT_SYMBOL(drm_atomic_connectors_for_crtc);
> -
> -/**
>   * drm_atomic_legacy_backoff - locking backoff for legacy ioctls
>   * @state: atomic state
>   *
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> index 27dd68f946e6..13b771cb0d35 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -464,7 +464,8 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
>  	 * crtc only changed its mode but has the same set of connectors.
>  	 */
>  	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		int num_connectors;
> +		bool has_connectors =
> +			!!crtc_state->connector_mask;
>  
>  		/*
>  		 * We must set ->active_changed after walking connectors for
> @@ -493,10 +494,7 @@ drm_atomic_helper_check_modeset(struct drm_device *dev,
>  		if (ret != 0)
>  			return ret;
>  
> -		num_connectors = drm_atomic_connectors_for_crtc(state,
> -								crtc);
> -
> -		if (crtc_state->enable != !!num_connectors) {
> +		if (crtc_state->enable != has_connectors) {
>  			DRM_DEBUG_ATOMIC("[CRTC:%d:%s] enabled/connectors mismatch\n",
>  					 crtc->base.id, crtc->name);
>  
> @@ -1755,7 +1753,7 @@ static int update_output_state(struct drm_atomic_state *state,
>  		if (crtc == set->crtc)
>  			continue;
>  
> -		if (!drm_atomic_connectors_for_crtc(state, crtc)) {
> +		if (!crtc_state->connector_mask) {
>  			ret = drm_atomic_set_mode_prop_for_crtc(crtc_state,
>  								NULL);
>  			if (ret < 0)
> diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
> index 2168a99d59aa..aa7ed24a41c7 100644
> --- a/drivers/gpu/drm/vc4/vc4_crtc.c
> +++ b/drivers/gpu/drm/vc4/vc4_crtc.c
> @@ -327,7 +327,7 @@ static int vc4_crtc_atomic_check(struct drm_crtc *crtc,
>  	/* The pixelvalve can only feed one encoder (and encoders are
>  	 * 1:1 with connectors.)
>  	 */
> -	if (drm_atomic_connectors_for_crtc(state->state, crtc) > 1)
> +	if (hweight32(state->connector_mask) > 1)
>  		return -EINVAL;
>  
>  	drm_atomic_crtc_state_for_each_plane(plane, state) {
> diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
> index d8576ac55693..d3eaa5df187a 100644
> --- a/include/drm/drm_atomic.h
> +++ b/include/drm/drm_atomic.h
> @@ -130,10 +130,6 @@ int __must_check
>  drm_atomic_add_affected_planes(struct drm_atomic_state *state,
>  			       struct drm_crtc *crtc);
>  
> -int
> -drm_atomic_connectors_for_crtc(struct drm_atomic_state *state,
> -			       struct drm_crtc *crtc);
> -
>  void drm_atomic_legacy_backoff(struct drm_atomic_state *state);
>  
>  void
> -- 
> 2.1.0
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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