drm/i915: Convert DIP port switch cases to a simple macro
We have a couple of switch cases to compute the port value for the
VIDEO_DIP_CTL register. Replace them with a simple macro.
We do lose a few BUG() calls, but many people may consider that
an improvement.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 3579a9ce..2f564ce 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2347,9 +2347,7 @@
#define VIDEO_DIP_CTL 0x61170
/* Pre HSW: */
#define VIDEO_DIP_ENABLE (1 << 31)
-#define VIDEO_DIP_PORT_B (1 << 29)
-#define VIDEO_DIP_PORT_C (2 << 29)
-#define VIDEO_DIP_PORT_D (3 << 29)
+#define VIDEO_DIP_PORT(port) ((port) << 29)
#define VIDEO_DIP_PORT_MASK (3 << 29)
#define VIDEO_DIP_ENABLE_GCP (1 << 25)
#define VIDEO_DIP_ENABLE_AVI (1 << 21)
