[Intel-gfx] [PATCH 4/9] drm/i915: Use enum old_plane_id for the .get_fifo_size() hooks

[Daniel Vetter]

On Wed, Oct 11, 2017 at 07:04:50PM +0300, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> Replace the 0 and 1 with PLANE_A and PLANE_B in the pre-g4x wm code.
> 
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

With the bikeshed from the preceeding patch applied here too:

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

> ---
>  drivers/gpu/drm/i915/i915_drv.h |  3 ++-
>  drivers/gpu/drm/i915/intel_pm.c | 36 +++++++++++++++++++-----------------
>  2 files changed, 21 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 7280f9eb2e95..df120a38ae42 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -699,7 +699,8 @@ struct drm_i915_display_funcs {
>  			  struct intel_cdclk_state *cdclk_state);
>  	void (*set_cdclk)(struct drm_i915_private *dev_priv,
>  			  const struct intel_cdclk_state *cdclk_state);
> -	int (*get_fifo_size)(struct drm_i915_private *dev_priv, int plane);
> +	int (*get_fifo_size)(struct drm_i915_private *dev_priv,
> +			     enum old_plane_id plane_id);
>  	int (*compute_pipe_wm)(struct intel_crtc_state *cstate);
>  	int (*compute_intermediate_wm)(struct drm_device *dev,
>  				       struct intel_crtc *intel_crtc,
> diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
> index 2fcff9788b6f..13f1010eea77 100644
> --- a/drivers/gpu/drm/i915/intel_pm.c
> +++ b/drivers/gpu/drm/i915/intel_pm.c
> @@ -521,38 +521,41 @@ static void vlv_get_fifo_size(struct intel_crtc_state *crtc_state)
>  	fifo_state->plane[PLANE_CURSOR] = 63;
>  }
>  
> -static int i9xx_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
> +static int i9xx_get_fifo_size(struct drm_i915_private *dev_priv,
> +			      enum old_plane_id plane_id)
>  {
>  	uint32_t dsparb = I915_READ(DSPARB);
>  	int size;
>  
>  	size = dsparb & 0x7f;
> -	if (plane)
> +	if (plane_id == PLANE_B)
>  		size = ((dsparb >> DSPARB_CSTART_SHIFT) & 0x7f) - size;
>  
> -	DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
> -		      plane ? "B" : "A", size);
> +	DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
> +		      dsparb, plane_name(plane_id), size);
>  
>  	return size;
>  }
>  
> -static int i830_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
> +static int i830_get_fifo_size(struct drm_i915_private *dev_priv,
> +			      enum old_plane_id plane_id)
>  {
>  	uint32_t dsparb = I915_READ(DSPARB);
>  	int size;
>  
>  	size = dsparb & 0x1ff;
> -	if (plane)
> +	if (plane_id == PLANE_B)
>  		size = ((dsparb >> DSPARB_BEND_SHIFT) & 0x1ff) - size;
>  	size >>= 1; /* Convert to cachelines */
>  
> -	DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
> -		      plane ? "B" : "A", size);
> +	DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
> +		      dsparb, plane_name(plane_id), size);
>  
>  	return size;
>  }
>  
> -static int i845_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
> +static int i845_get_fifo_size(struct drm_i915_private *dev_priv,
> +			      enum old_plane_id plane_id)
>  {
>  	uint32_t dsparb = I915_READ(DSPARB);
>  	int size;
> @@ -560,9 +563,8 @@ static int i845_get_fifo_size(struct drm_i915_private *dev_priv, int plane)
>  	size = dsparb & 0x7f;
>  	size >>= 2; /* Convert to cachelines */
>  
> -	DRM_DEBUG_KMS("FIFO size - (0x%08x) %s: %d\n", dsparb,
> -		      plane ? "B" : "A",
> -		      size);
> +	DRM_DEBUG_KMS("FIFO size - (0x%08x) %c: %d\n",
> +		      dsparb, plane_name(plane_id), size);
>  
>  	return size;
>  }
> @@ -2261,8 +2263,8 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc)
>  	else
>  		wm_info = &i830_a_wm_info;
>  
> -	fifo_size = dev_priv->display.get_fifo_size(dev_priv, 0);
> -	crtc = intel_get_crtc_for_plane(dev_priv, 0);
> +	fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_A);
> +	crtc = intel_get_crtc_for_plane(dev_priv, PLANE_A);
>  	if (intel_crtc_active(crtc)) {
>  		const struct drm_display_mode *adjusted_mode =
>  			&crtc->config->base.adjusted_mode;
> @@ -2288,8 +2290,8 @@ static void i9xx_update_wm(struct intel_crtc *unused_crtc)
>  	if (IS_GEN2(dev_priv))
>  		wm_info = &i830_bc_wm_info;
>  
> -	fifo_size = dev_priv->display.get_fifo_size(dev_priv, 1);
> -	crtc = intel_get_crtc_for_plane(dev_priv, 1);
> +	fifo_size = dev_priv->display.get_fifo_size(dev_priv, PLANE_B);
> +	crtc = intel_get_crtc_for_plane(dev_priv, PLANE_B);
>  	if (intel_crtc_active(crtc)) {
>  		const struct drm_display_mode *adjusted_mode =
>  			&crtc->config->base.adjusted_mode;
> @@ -2401,7 +2403,7 @@ static void i845_update_wm(struct intel_crtc *unused_crtc)
>  	adjusted_mode = &crtc->config->base.adjusted_mode;
>  	planea_wm = intel_calculate_wm(adjusted_mode->crtc_clock,
>  				       &i845_wm_info,
> -				       dev_priv->display.get_fifo_size(dev_priv, 0),
> +				       dev_priv->display.get_fifo_size(dev_priv, PLANE_A),
>  				       4, pessimal_latency_ns);
>  	fwater_lo = I915_READ(FW_BLC) & ~0xfff;
>  	fwater_lo |= (3<<8) | planea_wm;
> -- 
> 2.13.6
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch