[Intel-gfx] [RFC PATCH 01/10] drm/i915: add for_each_port_masked macro

[Ville Syrjälä]

On Tue, Mar 15, 2016 at 09:51:09PM +0200, Jani Nikula wrote:
> Same as for_each_dsi_port, but for general use. Leave the
> for_each_dsi_port version around as an "alias" for now to not cause too
> much churn. No functional changes.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_drv.h  | 4 ++++
>  drivers/gpu/drm/i915/intel_dsi.h | 4 +---
>  2 files changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
> index 80b14f1ba302..8ef3c88d0ed2 100644
> --- a/drivers/gpu/drm/i915/i915_drv.h
> +++ b/drivers/gpu/drm/i915/i915_drv.h
> @@ -274,6 +274,10 @@ struct i915_hotplug {
>  	     (__s) < INTEL_INFO(__dev_priv)->num_sprites[(__p)];	\
>  	     (__s)++)
>  
> +#define for_each_port_masked(__port, __ports_mask) \
> +	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
> +		for_each_if ((__ports_mask) & (1 << (__port)))
> +
>  #define for_each_crtc(dev, crtc) \
>  	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
>  
> diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
> index 92f39227b361..0b5e0b8ac08d 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.h
> +++ b/drivers/gpu/drm/i915/intel_dsi.h
> @@ -117,9 +117,7 @@ static inline struct intel_dsi_host *to_intel_dsi_host(struct mipi_dsi_host *h)
>  	return container_of(h, struct intel_dsi_host, base);
>  }
>  
> -#define for_each_dsi_port(__port, __ports_mask) \
> -	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)	\
> -		for_each_if ((__ports_mask) & (1 << (__port)))
> +#define for_each_dsi_port(__port, __ports_mask) for_each_port_masked(__port, __ports_mask)
>  
>  static inline struct intel_dsi *enc_to_intel_dsi(struct drm_encoder *encoder)
>  {
> -- 
> 2.1.4

-- 
Ville Syrjälä
Intel OTC