Re: [PATCH v2.1 03/11] drm/i915/gen9+: Use for_each_intel_plane_on_crtc in skl_print_wm_changes, v2.

[Paulo Zanoni <paulo.r.zanoni@intel.com>]

Em Ter, 2016-11-01 às 12:04 +0100, Maarten Lankhorst escreveu:
> Using for_each_intel_plane_on_crtc will allow us to find all
> allocations
> that may have changed, not just the one added by the atomic state.
> 
> This will print changes to plane allocations for crtc's when some
> planes are not added to the atomic state.
> 
> Changes since v1:
> - Rephrase commit message. (Ville)
> - Use plane->base.id and plane->name to kill off cursor special
>   case. (Matt)

Wasn't this Ville's suggestion? :)

> - Add intel_crtc to prevent a line wrap. (Paulo)

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>

> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> ---
> Could I get a quick ack this version is good? Then I'll commit it.
> 
> diff --git a/drivers/gpu/drm/i915/intel_pm.c
> b/drivers/gpu/drm/i915/intel_pm.c
> index e6e9cc563484..84db162cd30a 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -4090,45 +4090,31 @@ skl_print_wm_changes(const struct
> drm_atomic_state *state)
>  		to_intel_atomic_state(state);
>  	const struct drm_crtc *crtc;
>  	const struct drm_crtc_state *cstate;
> -	const struct drm_plane *plane;
>  	const struct intel_plane *intel_plane;
> -	const struct drm_plane_state *pstate;
>  	const struct skl_ddb_allocation *old_ddb = &dev_priv-
> >wm.skl_hw.ddb;
>  	const struct skl_ddb_allocation *new_ddb = &intel_state-
> >wm_results.ddb;
>  	enum pipe pipe;
>  	int id;
> -	int i, j;
> +	int i;
>  
>  	for_each_crtc_in_state(state, crtc, cstate, i) {
> -		pipe = to_intel_crtc(crtc)->pipe;
> +		const struct intel_crtc *intel_crtc =
> to_intel_crtc(crtc);
> +		pipe = intel_crtc->pipe;
>  
> -		for_each_plane_in_state(state, plane, pstate, j) {
> +		for_each_intel_plane_on_crtc(dev, intel_crtc,
> intel_plane) {
>  			const struct skl_ddb_entry *old, *new;
>  
> -			intel_plane = to_intel_plane(plane);
>  			id = skl_wm_plane_id(intel_plane);
>  			old = &old_ddb->plane[pipe][id];
>  			new = &new_ddb->plane[pipe][id];
>  
> -			if (intel_plane->pipe != pipe)
> -				continue;
> -
>  			if (skl_ddb_entry_equal(old, new))
>  				continue;
>  
> -			if (id != PLANE_CURSOR) {
> -				DRM_DEBUG_ATOMIC("[PLANE:%d:plane
> %d%c] ddb (%d - %d) -> (%d - %d)\n",
> -						 plane->base.id, id
> + 1,
> -						 pipe_name(pipe),
> -						 old->start, old-
> >end,
> -						 new->start, new-
> >end);
> -			} else {
> -				DRM_DEBUG_ATOMIC("[PLANE:%d:cursor
> %c] ddb (%d - %d) -> (%d - %d)\n",
> -						 plane->base.id,
> -						 pipe_name(pipe),
> -						 old->start, old-
> >end,
> -						 new->start, new-
> >end);
> -			}
> +			DRM_DEBUG_ATOMIC("[PLANE:%d:%s] ddb (%d -
> %d) -> (%d - %d)\n",
> +					 intel_plane->base.base.id,
> intel_plane->base.name,
> +					 old->start, old->end,
> +					 new->start, new->end);
>  		}
>  	}
>  }
> 
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