Re: [PATCH v6 1/4] drm/i915: Remove skl_ddl_allocation struct

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On Wed, Nov 27, 2019 at 04:41:25PM +0200, Stanislav Lisovskiy wrote:
> Current consensus that it is redundant as
> we already have skl_ddb_values struct out there,
> also this struct contains only single member
> which makes it unnecessary.
> 
> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/display/intel_display.c      | 10 +++++-----
>  .../gpu/drm/i915/display/intel_display_power.c    |  8 ++++----
>  drivers/gpu/drm/i915/i915_drv.h                   |  6 +-----
>  drivers/gpu/drm/i915/intel_pm.c                   | 15 +++++++--------
>  drivers/gpu/drm/i915/intel_pm.h                   |  4 ++--
>  5 files changed, 19 insertions(+), 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
> index 53dc310a5f6d..530832067113 100644
> --- a/drivers/gpu/drm/i915/display/intel_display.c
> +++ b/drivers/gpu/drm/i915/display/intel_display.c
> @@ -13393,10 +13393,10 @@ static void verify_wm_state(struct intel_crtc *crtc,
>  	struct skl_hw_state {
>  		struct skl_ddb_entry ddb_y[I915_MAX_PLANES];
>  		struct skl_ddb_entry ddb_uv[I915_MAX_PLANES];
> -		struct skl_ddb_allocation ddb;
> +		struct skl_ddb_values ddb;
>  	} *hw;
> -	struct skl_ddb_allocation *sw_ddb;
> +	struct skl_ddb_values *sw_ddb;
>  	struct skl_pipe_wm *sw_wm;
>  	struct skl_ddb_entry *hw_ddb_entry, *sw_ddb_entry;
>  	const enum pipe pipe = crtc->pipe;
> @@ -13415,7 +13415,7 @@ static void verify_wm_state(struct intel_crtc *crtc,
>  	skl_pipe_ddb_get_hw_state(crtc, hw->ddb_y, hw->ddb_uv);
>  
>  	skl_ddb_get_hw_state(dev_priv, &hw->ddb);
> -	sw_ddb = &dev_priv->wm.skl_hw.ddb;
> +	sw_ddb = &dev_priv->wm.skl_hw;
>  
>  	if (INTEL_GEN(dev_priv) >= 11 &&
>  	    hw->ddb.enabled_slices != sw_ddb->enabled_slices)
> @@ -14647,8 +14647,8 @@ static void skl_commit_modeset_enables(struct intel_atomic_state *state)
>  	unsigned int updated = 0;
>  	bool progress;
>  	int i;
> -	u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
> -	u8 required_slices = state->wm_results.ddb.enabled_slices;
> +	u8 hw_enabled_slices = dev_priv->wm.skl_hw.enabled_slices;
> +	u8 required_slices = state->wm_results.enabled_slices;
>  	struct skl_ddb_entry entries[I915_MAX_PIPES] = {};
>  
>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i)
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
> index ce1b64f4dd44..75198da13479 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -4264,7 +4264,7 @@ static u8 intel_dbuf_max_slices(struct drm_i915_private *dev_priv)
>  void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
>  			    u8 req_slices)
>  {
> -	const u8 hw_enabled_slices = dev_priv->wm.skl_hw.ddb.enabled_slices;
> +	const u8 hw_enabled_slices = dev_priv->wm.skl_hw.enabled_slices;
>  	bool ret;
>  
>  	if (req_slices > intel_dbuf_max_slices(dev_priv)) {
> @@ -4281,7 +4281,7 @@ void icl_dbuf_slices_update(struct drm_i915_private *dev_priv,
>  		ret = intel_dbuf_slice_set(dev_priv, DBUF_CTL_S2, false);
>  
>  	if (ret)
> -		dev_priv->wm.skl_hw.ddb.enabled_slices = req_slices;
> +		dev_priv->wm.skl_hw.enabled_slices = req_slices;
>  }
>  
>  static void icl_dbuf_enable(struct drm_i915_private *dev_priv)
> @@ -4300,7 +4300,7 @@ static void icl_dbuf_enable(struct drm_i915_private *dev_priv)
>  		 * FIXME: for now pretend that we only have 1 slice, see
>  		 * intel_enabled_dbuf_slices_num().
>  		 */
> -		dev_priv->wm.skl_hw.ddb.enabled_slices = 1;
> +		dev_priv->wm.skl_hw.enabled_slices = 1;
>  }
>  
>  static void icl_dbuf_disable(struct drm_i915_private *dev_priv)
> @@ -4319,7 +4319,7 @@ static void icl_dbuf_disable(struct drm_i915_private *dev_priv)
>  		 * FIXME: for now pretend that the first slice is always
>  		 * enabled, see intel_enabled_dbuf_slices_num().
>  		 */
> -		dev_priv->wm.skl_hw.ddb.enabled_slices = 1;
> +		dev_priv->wm.skl_hw.enabled_slices = 1;
>  }
>  
>  static void icl_mbus_init(struct drm_i915_private *dev_priv)
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index fdae5a919bc8..6457f8e557a2 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -798,13 +798,9 @@ static inline bool skl_ddb_entry_equal(const struct skl_ddb_entry *e1,
>  	return false;
>  }
>  
> -struct skl_ddb_allocation {
> -	u8 enabled_slices; /* GEN11 has configurable 2 slices */
> -};
> -
>  struct skl_ddb_values {
>  	unsigned dirty_pipes;

Didn't I already nuke this dirty_pipes crap?

> -	struct skl_ddb_allocation ddb;
> +	u8 enabled_slices; /* GEN11 has configurable 2 slices */
>  };
>  
>  struct skl_wm_level {
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 5aad9d49a528..3857ec3d2bd6 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -3823,7 +3823,7 @@ static u16 intel_get_ddb_size(struct drm_i915_private *dev_priv,
>  			      const struct intel_crtc_state *crtc_state,
>  			      const u64 total_data_rate,
>  			      const int num_active,
> -			      struct skl_ddb_allocation *ddb)
> +			      struct skl_ddb_values *ddb)
>  {
>  	const struct drm_display_mode *adjusted_mode;
>  	u64 total_data_bw;
> @@ -3859,7 +3859,7 @@ static void
>  skl_ddb_get_pipe_allocation_limits(struct drm_i915_private *dev_priv,
>  				   const struct intel_crtc_state *crtc_state,
>  				   const u64 total_data_rate,
> -				   struct skl_ddb_allocation *ddb,
> +				   struct skl_ddb_values *ddb,
>  				   struct skl_ddb_entry *alloc, /* out */
>  				   int *num_active /* out */)
>  {
> @@ -4047,7 +4047,7 @@ void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
>  }
>  
>  void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
> -			  struct skl_ddb_allocation *ddb /* out */)
> +			  struct skl_ddb_values *ddb /* out */)
>  {
>  	ddb->enabled_slices = intel_enabled_dbuf_slices_num(dev_priv);
>  }
> @@ -4227,7 +4227,7 @@ icl_get_total_relative_data_rate(struct intel_crtc_state *crtc_state,
>  
>  static int
>  skl_allocate_pipe_ddb(struct intel_crtc_state *crtc_state,
> -		      struct skl_ddb_allocation *ddb /* out */)
> +		      struct skl_ddb_values *ddb /* out */)
>  {
>  	struct drm_atomic_state *state = crtc_state->uapi.state;
>  	struct drm_crtc *crtc = crtc_state->uapi.crtc;
> @@ -5184,13 +5184,13 @@ static int
>  skl_compute_ddb(struct intel_atomic_state *state)
>  {
>  	const struct drm_i915_private *dev_priv = to_i915(state->base.dev);
> -	struct skl_ddb_allocation *ddb = &state->wm_results.ddb;
> +	struct skl_ddb_values *ddb = &state->wm_results;
>  	struct intel_crtc_state *old_crtc_state;
>  	struct intel_crtc_state *new_crtc_state;
>  	struct intel_crtc *crtc;
>  	int ret, i;
>  
> -	memcpy(ddb, &dev_priv->wm.skl_hw.ddb, sizeof(*ddb));
> +	memcpy(ddb, &dev_priv->wm.skl_hw, sizeof(*ddb));
>  
>  	for_each_oldnew_intel_crtc_in_state(state, crtc, old_crtc_state,
>  					    new_crtc_state, i) {
> @@ -5666,11 +5666,10 @@ void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
>  void skl_wm_get_hw_state(struct drm_i915_private *dev_priv)
>  {
>  	struct skl_ddb_values *hw = &dev_priv->wm.skl_hw;
> -	struct skl_ddb_allocation *ddb = &dev_priv->wm.skl_hw.ddb;
>  	struct intel_crtc *crtc;
>  	struct intel_crtc_state *crtc_state;
>  
> -	skl_ddb_get_hw_state(dev_priv, ddb);
> +	skl_ddb_get_hw_state(dev_priv, hw);
>  	for_each_intel_crtc(&dev_priv->drm, crtc) {
>  		crtc_state = to_intel_crtc_state(crtc->base.state);
>  
> diff --git a/drivers/gpu/drm/i915/intel_pm.h b/drivers/gpu/drm/i915/intel_pm.h
> index b579c724b915..1d03732ff22e 100644
> --- a/drivers/gpu/drm/i915/intel_pm.h
> +++ b/drivers/gpu/drm/i915/intel_pm.h
> @@ -17,8 +17,8 @@ struct intel_atomic_state;
>  struct intel_crtc;
>  struct intel_crtc_state;
>  struct intel_plane;
> -struct skl_ddb_allocation;
>  struct skl_ddb_entry;
> +struct skl_ddb_values;
>  struct skl_pipe_wm;
>  struct skl_wm_level;
>  
> @@ -37,7 +37,7 @@ void skl_pipe_ddb_get_hw_state(struct intel_crtc *crtc,
>  			       struct skl_ddb_entry *ddb_y,
>  			       struct skl_ddb_entry *ddb_uv);
>  void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
> -			  struct skl_ddb_allocation *ddb /* out */);
> +			  struct skl_ddb_values *ddb /* out */);
>  void skl_pipe_wm_get_hw_state(struct intel_crtc *crtc,
>  			      struct skl_pipe_wm *out);
>  void g4x_wm_sanitize(struct drm_i915_private *dev_priv);
> -- 
> 2.17.1

-- 
Ville Syrjälä
Intel
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