Re: [PATCH v3] drm/i915: Nuke drm_crtc_state and use intel_atomic_state instead

[Manasi Navare <manasi.d.navare@intel.com>]

Pushed to dinq, thanks for the review!

Regards
Manasi

On Mon, Apr 15, 2019 at 11:22:10AM -0700, Manasi Navare wrote:
> This is one of the patches to start replacing drm pointers
> and use the intel_atomic_state and intel_crtc to derive
> the necessary intel state variables required for the intel
> modeset functions.
> 
> v3:
> * Remove the unwanted newline (Ville)
> v2:
> * Flip the function arguments (Ville)
> * Remove some remaining instances of drm pointers (Ville)
> * Use old_crtc_state and new_crtc_state (Ville)
> 
> Suggested-by: Ville Syrjala <ville.syrjala@linux.intel.com>
> Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
> Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
> Reviewed-by: Ville Syrjala <ville.syrjala@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/intel_display.c | 61 +++++++++++++---------------
>  1 file changed, 28 insertions(+), 33 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index f29a348e8d71..aaf44ab6766f 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -125,8 +125,8 @@ static void vlv_prepare_pll(struct intel_crtc *crtc,
>  			    const struct intel_crtc_state *pipe_config);
>  static void chv_prepare_pll(struct intel_crtc *crtc,
>  			    const struct intel_crtc_state *pipe_config);
> -static void intel_begin_crtc_commit(struct drm_crtc *, struct drm_crtc_state *);
> -static void intel_finish_crtc_commit(struct drm_crtc *, struct drm_crtc_state *);
> +static void intel_begin_crtc_commit(struct intel_atomic_state *, struct intel_crtc *);
> +static void intel_finish_crtc_commit(struct intel_atomic_state *, struct intel_crtc *);
>  static void intel_crtc_init_scalers(struct intel_crtc *crtc,
>  				    struct intel_crtc_state *crtc_state);
>  static void skylake_pfit_enable(const struct intel_crtc_state *crtc_state);
> @@ -13273,14 +13273,14 @@ static void intel_update_crtc(struct drm_crtc *crtc,
>  	else if (new_plane_state)
>  		intel_fbc_enable(intel_crtc, pipe_config, new_plane_state);
>  
> -	intel_begin_crtc_commit(crtc, old_crtc_state);
> +	intel_begin_crtc_commit(to_intel_atomic_state(state), intel_crtc);
>  
>  	if (INTEL_GEN(dev_priv) >= 9)
>  		skl_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc);
>  	else
>  		i9xx_update_planes_on_crtc(to_intel_atomic_state(state), intel_crtc);
>  
> -	intel_finish_crtc_commit(crtc, old_crtc_state);
> +	intel_finish_crtc_commit(to_intel_atomic_state(state), intel_crtc);
>  }
>  
>  static void intel_update_crtcs(struct drm_atomic_state *state)
> @@ -14070,39 +14070,35 @@ skl_max_scale(const struct intel_crtc_state *crtc_state,
>  	return max_scale;
>  }
>  
> -static void intel_begin_crtc_commit(struct drm_crtc *crtc,
> -				    struct drm_crtc_state *old_crtc_state)
> +static void intel_begin_crtc_commit(struct intel_atomic_state *state,
> +				    struct intel_crtc *crtc)
>  {
> -	struct drm_device *dev = crtc->dev;
> -	struct drm_i915_private *dev_priv = to_i915(dev);
> -	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -	struct intel_crtc_state *old_intel_cstate =
> -		to_intel_crtc_state(old_crtc_state);
> -	struct intel_atomic_state *old_intel_state =
> -		to_intel_atomic_state(old_crtc_state->state);
> -	struct intel_crtc_state *intel_cstate =
> -		intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
> -	bool modeset = needs_modeset(&intel_cstate->base);
> +	struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
> +	struct intel_crtc_state *old_crtc_state =
> +		intel_atomic_get_old_crtc_state(state, crtc);
> +	struct intel_crtc_state *new_crtc_state =
> +		intel_atomic_get_new_crtc_state(state, crtc);
> +	bool modeset = needs_modeset(&new_crtc_state->base);
>  
>  	/* Perform vblank evasion around commit operation */
> -	intel_pipe_update_start(intel_cstate);
> +	intel_pipe_update_start(new_crtc_state);
>  
>  	if (modeset)
>  		goto out;
>  
> -	if (intel_cstate->base.color_mgmt_changed ||
> -	    intel_cstate->update_pipe)
> -		intel_color_commit(intel_cstate);
> +	if (new_crtc_state->base.color_mgmt_changed ||
> +	    new_crtc_state->update_pipe)
> +		intel_color_commit(new_crtc_state);
>  
> -	if (intel_cstate->update_pipe)
> -		intel_update_pipe_config(old_intel_cstate, intel_cstate);
> +	if (new_crtc_state->update_pipe)
> +		intel_update_pipe_config(old_crtc_state, new_crtc_state);
>  	else if (INTEL_GEN(dev_priv) >= 9)
> -		skl_detach_scalers(intel_cstate);
> +		skl_detach_scalers(new_crtc_state);
>  
>  out:
>  	if (dev_priv->display.atomic_update_watermarks)
> -		dev_priv->display.atomic_update_watermarks(old_intel_state,
> -							   intel_cstate);
> +		dev_priv->display.atomic_update_watermarks(state,
> +							   new_crtc_state);
>  }
>  
>  void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
> @@ -14121,21 +14117,20 @@ void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
>  	}
>  }
>  
> -static void intel_finish_crtc_commit(struct drm_crtc *crtc,
> -				     struct drm_crtc_state *old_crtc_state)
> +static void intel_finish_crtc_commit(struct intel_atomic_state *state,
> +				     struct intel_crtc *crtc)
>  {
> -	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
> -	struct intel_atomic_state *old_intel_state =
> -		to_intel_atomic_state(old_crtc_state->state);
> +	struct intel_crtc_state *old_crtc_state =
> +		intel_atomic_get_old_crtc_state(state, crtc);
>  	struct intel_crtc_state *new_crtc_state =
> -		intel_atomic_get_new_crtc_state(old_intel_state, intel_crtc);
> +		intel_atomic_get_new_crtc_state(state, crtc);
>  
>  	intel_pipe_update_end(new_crtc_state);
>  
>  	if (new_crtc_state->update_pipe &&
>  	    !needs_modeset(&new_crtc_state->base) &&
> -	    old_crtc_state->mode.private_flags & I915_MODE_FLAG_INHERITED)
> -		intel_crtc_arm_fifo_underrun(intel_crtc, new_crtc_state);
> +	    old_crtc_state->base.mode.private_flags & I915_MODE_FLAG_INHERITED)
> +		intel_crtc_arm_fifo_underrun(crtc, new_crtc_state);
>  }
>  
>  /**
> -- 
> 2.19.1
> 
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