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

[Jani Nikula]

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>
---
 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