[Intel-gfx] [PATCH 7/9] drm/i915: Switch fbc over to for_each_new_intel_plane_in_state()

Daniel Vetter daniel at ffwll.ch
Thu Oct 12 19:21:07 UTC 2017


On Wed, Oct 11, 2017 at 07:04:53PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Stop using the old for_each_intel_plane_in_state() type iteration
> macro and replace it with for_each_new_intel_plane_in_state().
> And similarly replace drm_atomic_get_existing_crtc_state() with
> intel_atomic_get_new_crtc_state(). Switch over to intel_ types
> as well to make the code less cluttered.
> 
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/i915/i915_drv.h      |  7 +++----
>  drivers/gpu/drm/i915/intel_display.c |  2 +-
>  drivers/gpu/drm/i915/intel_drv.h     |  2 +-
>  drivers/gpu/drm/i915/intel_fbc.c     | 23 ++++++++++-------------
>  4 files changed, 15 insertions(+), 19 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index df120a38ae42..9c4735da2169 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -561,13 +561,13 @@ struct i915_hotplug {
>  	for_each_power_well_rev(__dev_priv, __power_well)		        \
>  		for_each_if ((__power_well)->domains & (__domain_mask))
>  
> -#define for_each_intel_plane_in_state(__state, plane, plane_state, __i) \
> +#define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
>  	for ((__i) = 0; \
>  	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
>  		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
> -		      (plane_state) = to_intel_plane_state((__state)->base.planes[__i].state), 1); \
> +		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
>  	     (__i)++) \
> -		for_each_if (plane_state)
> +		for_each_if (plane)
>  
>  #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
>  	for ((__i) = 0; \
> @@ -577,7 +577,6 @@ struct i915_hotplug {
>  	     (__i)++) \
>  		for_each_if (crtc)

Would be nice to co-evolve our versions of these along the lines of

commit 331494eb51002d0ee99414e3918e06d5e9a3962d
Author: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
Date:   Wed Sep 27 10:35:32 2017 +0200

    drm/atomic: Make atomic iterators less surprising

On the patch itself:

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

>  
> -
>  #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
>  	for ((__i) = 0; \
>  	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index 82be2342d1c6..ccdfd922fe5b 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -12025,7 +12025,7 @@ static int intel_atomic_check(struct drm_device *dev,
>  	if (ret)
>  		return ret;
>  
> -	intel_fbc_choose_crtc(dev_priv, state);
> +	intel_fbc_choose_crtc(dev_priv, intel_state);
>  	return calc_watermark_data(state);
>  }
>  
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index 08318260453b..0852b33712b1 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -1645,7 +1645,7 @@ static inline void intel_fbdev_restore_mode(struct drm_device *dev)
>  
>  /* intel_fbc.c */
>  void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
> -			   struct drm_atomic_state *state);
> +			   struct intel_atomic_state *state);
>  bool intel_fbc_is_active(struct drm_i915_private *dev_priv);
>  void intel_fbc_pre_update(struct intel_crtc *crtc,
>  			  struct intel_crtc_state *crtc_state,
> diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c
> index 8e3a05505f49..0b40b89f8e2b 100644
> --- a/drivers/gpu/drm/i915/intel_fbc.c
> +++ b/drivers/gpu/drm/i915/intel_fbc.c
> @@ -1051,11 +1051,11 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv,
>   * enable FBC for the chosen CRTC. If it does, it will set dev_priv->fbc.crtc.
>   */
>  void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
> -			   struct drm_atomic_state *state)
> +			   struct intel_atomic_state *state)
>  {
>  	struct intel_fbc *fbc = &dev_priv->fbc;
> -	struct drm_plane *plane;
> -	struct drm_plane_state *plane_state;
> +	struct intel_plane *plane;
> +	struct intel_plane_state *plane_state;
>  	bool crtc_chosen = false;
>  	int i;
>  
> @@ -1063,7 +1063,7 @@ void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
>  
>  	/* Does this atomic commit involve the CRTC currently tied to FBC? */
>  	if (fbc->crtc &&
> -	    !drm_atomic_get_existing_crtc_state(state, &fbc->crtc->base))
> +	    !intel_atomic_get_new_crtc_state(state, fbc->crtc))
>  		goto out;
>  
>  	if (!intel_fbc_can_enable(dev_priv))
> @@ -1073,13 +1073,11 @@ void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
>  	 * plane. We could go for fancier schemes such as checking the plane
>  	 * size, but this would just affect the few platforms that don't tie FBC
>  	 * to pipe or plane A. */
> -	for_each_new_plane_in_state(state, plane, plane_state, i) {
> -		struct intel_plane_state *intel_plane_state =
> -			to_intel_plane_state(plane_state);
> -		struct intel_crtc_state *intel_crtc_state;
> -		struct intel_crtc *crtc = to_intel_crtc(plane_state->crtc);
> +	for_each_new_intel_plane_in_state(state, plane, plane_state, i) {
> +		struct intel_crtc_state *crtc_state;
> +		struct intel_crtc *crtc = to_intel_crtc(plane_state->base.crtc);
>  
> -		if (!intel_plane_state->base.visible)
> +		if (!plane_state->base.visible)
>  			continue;
>  
>  		if (fbc_on_pipe_a_only(dev_priv) && crtc->pipe != PIPE_A)
> @@ -1088,10 +1086,9 @@ void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv,
>  		if (fbc_on_plane_a_only(dev_priv) && crtc->plane != PLANE_A)
>  			continue;
>  
> -		intel_crtc_state = to_intel_crtc_state(
> -			drm_atomic_get_existing_crtc_state(state, &crtc->base));
> +		crtc_state = intel_atomic_get_new_crtc_state(state, crtc);
>  
> -		intel_crtc_state->enable_fbc = true;
> +		crtc_state->enable_fbc = true;
>  		crtc_chosen = true;
>  		break;
>  	}
> -- 
> 2.13.6
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch


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