hwc: Query MDP capability for blending stages supported.
- Read MDP sys_fs node for blending stages supported per mixer
instead of hard cording the value. This makes the implementation
scalable across chipsets.
- Add binder support to change the max pipes per layer value
dynamically for MDP comp.
Change-Id: I3b83f4bdc2e2e81ca55c54fc6bcfd61c55fef501
diff --git a/libhwcomposer/hwc_utils.h b/libhwcomposer/hwc_utils.h
index 3f903b1..921c3e5 100644
--- a/libhwcomposer/hwc_utils.h
+++ b/libhwcomposer/hwc_utils.h
@@ -41,6 +41,7 @@
#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
#define MAX_NUM_APP_LAYERS 32
+#define MAX_NUM_BLEND_STAGES 16
#define MIN_DISPLAY_XRES 200
#define MIN_DISPLAY_YRES 200
#define HWC_WFDDISPSYNC_LOG 0