[Intel-gfx] [PATCH 15/23] drm/i915: Add crtcs affected by bigjoiner to the state

[Navare, Manasi]

On Sat, Nov 14, 2020 at 12:03:50AM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Make sure both crtcs participating in the bigjoiner stuff
> are in the state.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

Manasi

> ---
>  drivers/gpu/drm/i915/display/intel_display.c | 25 ++++++++++++++++++++
>  1 file changed, 25 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 07bee5caacfe..465877097582 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -15422,6 +15422,27 @@ static int intel_atomic_check_async(struct intel_atomic_state *state)
>  	return 0;
>  }
>  
> +static int intel_bigjoiner_add_affected_crtcs(struct intel_atomic_state *state)
> +{
> +	const struct intel_crtc_state *crtc_state;
> +	struct intel_crtc *crtc;
> +	int i;
> +
> +	for_each_new_intel_crtc_in_state(state, crtc, crtc_state, i) {
> +		struct intel_crtc_state *linked_crtc_state;
> +
> +		if (!crtc_state->bigjoiner)
> +			continue;
> +
> +		linked_crtc_state = intel_atomic_get_crtc_state(&state->base,
> +								crtc_state->bigjoiner_linked_crtc);
> +		if (IS_ERR(linked_crtc_state))
> +			return PTR_ERR(linked_crtc_state);
> +	}
> +
> +	return 0;
> +}
> +
>  /**
>   * intel_atomic_check - validate state object
>   * @dev: drm device
> @@ -15447,6 +15468,10 @@ static int intel_atomic_check(struct drm_device *dev,
>  	if (ret)
>  		goto fail;
>  
> +	ret = intel_bigjoiner_add_affected_crtcs(state);
> +	if (ret)
> +		goto fail;
> +
>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
>  					    new_crtc_state, i) {
>  		if (!needs_modeset(new_crtc_state)) {
> -- 
> 2.26.2
> 
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