Re: [PATCH v5 5/6] drm/i915/dp: Prep for bigjoiner atomic check

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On Mon, Nov 02, 2020 at 01:19:05PM -0800, Manasi Navare wrote:
> No functional changes here. Just pass intel_atomic_state
> along with crtc_state to certain atomic_check functions.
> This will lay the foundation for adding bigjoiner master/slave
> states in atomic check.
> 
> v2:
> * More prep with intel_atomic_state (Ville)
> 
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_atomic.c  |  9 +++++----
>  drivers/gpu/drm/i915/display/intel_atomic.h  |  3 ++-
>  drivers/gpu/drm/i915/display/intel_display.c | 21 ++++++++++++--------
>  3 files changed, 20 insertions(+), 13 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.c b/drivers/gpu/drm/i915/display/intel_atomic.c
> index 86be032bcf96..e243ce97b534 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic.c
> +++ b/drivers/gpu/drm/i915/display/intel_atomic.c
> @@ -270,14 +270,15 @@ void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state)
>  	intel_crtc_put_color_blobs(crtc_state);
>  }
>  
> -void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state)
> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state,
> +				 const struct intel_crtc_state *from_crtc_state)
>  {
>  	drm_property_replace_blob(&crtc_state->hw.degamma_lut,
> -				  crtc_state->uapi.degamma_lut);
> +				  from_crtc_state->uapi.degamma_lut);
>  	drm_property_replace_blob(&crtc_state->hw.gamma_lut,
> -				  crtc_state->uapi.gamma_lut);
> +				  from_crtc_state->uapi.gamma_lut);
>  	drm_property_replace_blob(&crtc_state->hw.ctm,
> -				  crtc_state->uapi.ctm);
> +				  from_crtc_state->uapi.ctm);

This patch still seems to do two totally separate things:
1) pass intel_atomic_State all over (for which there was another
   patch in the series as well?)
2) this intel_crtc_copy_color_blobs() change

I would split these up because the commit message doesn't
even mention the second change.

Each part looks fine on its own so with a proper split they are
Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

>  }
>  
>  /**
> diff --git a/drivers/gpu/drm/i915/display/intel_atomic.h b/drivers/gpu/drm/i915/display/intel_atomic.h
> index 285de07011dc..62a3365ed5e6 100644
> --- a/drivers/gpu/drm/i915/display/intel_atomic.h
> +++ b/drivers/gpu/drm/i915/display/intel_atomic.h
> @@ -43,7 +43,8 @@ struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc);
>  void intel_crtc_destroy_state(struct drm_crtc *crtc,
>  			       struct drm_crtc_state *state);
>  void intel_crtc_free_hw_state(struct intel_crtc_state *crtc_state);
> -void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state);
> +void intel_crtc_copy_color_blobs(struct intel_crtc_state *crtc_state,
> +				 const struct intel_crtc_state *from_crtc_state);
>  struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev);
>  void intel_atomic_state_free(struct drm_atomic_state *state);
>  void intel_atomic_state_clear(struct drm_atomic_state *state);
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 0bea90cdf242..ab10dfe705e4 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -13459,13 +13459,17 @@ static bool check_digital_port_conflicts(struct intel_atomic_state *state)
>  }
>  
>  static void
> -intel_crtc_copy_uapi_to_hw_state_nomodeset(struct intel_crtc_state *crtc_state)
> +intel_crtc_copy_uapi_to_hw_state_nomodeset(struct intel_atomic_state *state,
> +					   struct intel_crtc_state *crtc_state)
>  {
> -	intel_crtc_copy_color_blobs(crtc_state);
> +	const struct intel_crtc_state *from_crtc_state = crtc_state;
> +
> +	intel_crtc_copy_color_blobs(crtc_state, from_crtc_state);
>  }
>  
>  static void
> -intel_crtc_copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
> +intel_crtc_copy_uapi_to_hw_state(struct intel_atomic_state *state,
> +				 struct intel_crtc_state *crtc_state)
>  {
>  	crtc_state->hw.enable = crtc_state->uapi.enable;
>  	crtc_state->hw.active = crtc_state->uapi.active;
> @@ -13473,7 +13477,7 @@ intel_crtc_copy_uapi_to_hw_state(struct intel_crtc_state *crtc_state)
>  	crtc_state->hw.pipe_mode = crtc_state->hw.adjusted_mode = crtc_state->uapi.adjusted_mode;
>  	crtc_state->hw.scaling_filter = crtc_state->uapi.scaling_filter;
>  
> -	intel_crtc_copy_uapi_to_hw_state_nomodeset(crtc_state);
> +	intel_crtc_copy_uapi_to_hw_state_nomodeset(state, crtc_state);
>  }
>  
>  static void intel_crtc_copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state)
> @@ -13496,7 +13500,8 @@ static void intel_crtc_copy_hw_to_uapi_state(struct intel_crtc_state *crtc_state
>  }
>  
>  static int
> -intel_crtc_prepare_cleared_state(struct intel_crtc_state *crtc_state)
> +intel_crtc_prepare_cleared_state(struct intel_atomic_state *state,
> +				 struct intel_crtc_state *crtc_state)
>  {
>  	struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
>  	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> @@ -13528,7 +13533,7 @@ intel_crtc_prepare_cleared_state(struct intel_crtc_state *crtc_state)
>  	memcpy(crtc_state, saved_state, sizeof(*crtc_state));
>  	kfree(saved_state);
>  
> -	intel_crtc_copy_uapi_to_hw_state(crtc_state);
> +	intel_crtc_copy_uapi_to_hw_state(state, crtc_state);
>  
>  	return 0;
>  }
> @@ -15233,12 +15238,12 @@ static int intel_atomic_check(struct drm_device *dev,
>  					    new_crtc_state, i) {
>  		if (!needs_modeset(new_crtc_state)) {
>  			/* Light copy */
> -			intel_crtc_copy_uapi_to_hw_state_nomodeset(new_crtc_state);
> +			intel_crtc_copy_uapi_to_hw_state_nomodeset(state, new_crtc_state);
>  
>  			continue;
>  		}
>  
> -		ret = intel_crtc_prepare_cleared_state(new_crtc_state);
> +		ret = intel_crtc_prepare_cleared_state(state, new_crtc_state);
>  		if (ret)
>  			goto fail;
>  
> -- 
> 2.19.1

-- 
Ville Syrjälä
Intel
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