drm/i915: add for_each_port_masked macro
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.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/a0ef5bf33395e1fcd87178b17d6687b022042cf7.1458070700.git.jani.nikula@intel.com
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index fd1ed66..e5e2982 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -274,6 +274,10 @@
(__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)