Re: [PATCH 3/3] drm/i915/glk: Fix Geminilake scalers mode programming

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On Wed, Feb 22, 2017 at 12:29:09PM +0200, Ander Conselvan de Oliveira wrote:
> Geminilake scalers can do 7x7 filtering for all supported input sizes,
> so it doesn't need the "high quality" mode programming, which was
> actually removed from that platform.
> 
> Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_atomic.c  | 14 ++++++++------
>  drivers/gpu/drm/i915/intel_display.c |  2 +-
>  drivers/gpu/drm/i915/intel_drv.h     |  6 +++---
>  3 files changed, 12 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c
> index aa9160e..e65818e 100644
> --- a/drivers/gpu/drm/i915/intel_atomic.c
> +++ b/drivers/gpu/drm/i915/intel_atomic.c
> @@ -121,7 +121,7 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
>  
>  /**
>   * intel_atomic_setup_scalers() - setup scalers for crtc per staged requests
> - * @dev: DRM device
> + * @dev_priv: i915 device

This change makes the diff quite messy for what's essentially a
addition of two lines of code.

>   * @crtc: intel crtc
>   * @crtc_state: incoming crtc_state to validate and setup scalers
>   *
> @@ -136,9 +136,9 @@ intel_crtc_destroy_state(struct drm_crtc *crtc,
>   *         0 - scalers were setup succesfully
>   *         error code - otherwise
>   */
> -int intel_atomic_setup_scalers(struct drm_device *dev,
> -	struct intel_crtc *intel_crtc,
> -	struct intel_crtc_state *crtc_state)
> +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> +			       struct intel_crtc *intel_crtc,
> +			       struct intel_crtc_state *crtc_state)
>  {
>  	struct drm_plane *plane = NULL;
>  	struct intel_plane *intel_plane;
> @@ -199,7 +199,7 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
>  			 */
>  			if (!plane) {
>  				struct drm_plane_state *state;
> -				plane = drm_plane_from_index(dev, i);
> +				plane = drm_plane_from_index(&dev_priv->drm, i);
>  				state = drm_atomic_get_plane_state(drm_state, plane);
>  				if (IS_ERR(state)) {
>  					DRM_DEBUG_KMS("Failed to add [PLANE:%d] to drm_state\n",
> @@ -247,7 +247,9 @@ int intel_atomic_setup_scalers(struct drm_device *dev,
>  		}
>  
>  		/* set scaler mode */
> -		if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
> +		if (IS_GEMINILAKE(dev_priv)) {
> +			scaler_state->scalers[*scaler_id].mode = 0;
> +		} else if (num_scalers_need == 1 && intel_crtc->pipe != PIPE_C) {
>  			/*
>  			 * when only 1 scaler is in use on either pipe A or B,
>  			 * scaler 0 operates in high quality (HQ) mode.
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 000fb31..65e76d1 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -10959,7 +10959,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
>  			ret = skl_update_scaler_crtc(pipe_config);
>  
>  		if (!ret)
> -			ret = intel_atomic_setup_scalers(dev, intel_crtc,
> +			ret = intel_atomic_setup_scalers(dev_priv, intel_crtc,
>  							 pipe_config);
>  	}
>  
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 0edc499..d9d96d6 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1910,9 +1910,9 @@ intel_atomic_get_existing_plane_state(struct drm_atomic_state *state,
>  	return to_intel_plane_state(plane_state);
>  }
>  
> -int intel_atomic_setup_scalers(struct drm_device *dev,
> -	struct intel_crtc *intel_crtc,
> -	struct intel_crtc_state *crtc_state);
> +int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv,
> +			       struct intel_crtc *intel_crtc,
> +			       struct intel_crtc_state *crtc_state);
>  
>  /* intel_atomic_plane.c */
>  struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane);
> -- 
> 2.9.3
> 
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Ville Syrjälä
Intel OTC
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