2020 November 28 Breaking Changes Update (#11053)

* Branch point for 2020 November 28 Breaking Change                                                

* Remove matrix_col_t to allow MATRIX_ROWS > 32 (#10183)                                           

* Add support for soft serial to ATmega32U2 (#10204)                                               

* Change MIDI velocity implementation to allow direct control of velocity value (#9940)            

* Add ability to build a subset of all keyboards based on platform.                                

* Actually use eeprom_driver_init().                                                               

* Make bootloader_jump weak for ChibiOS. (#10417)                                                  

* Joystick 16-bit support (#10439)                                                                 

* Per-encoder resolutions (#10259)                                                                 

* Share button state from mousekey to pointing_device (#10179)                                     

* Add hotfix for chibios keyboards not wake (#10088)                                               

* Add advanced/efficient RGB Matrix Indicators (#8564)                                             

* Naming change.                                                                                   

* Support for STM32 GPIOF,G,H,I,J,K (#10206)                                                       

* Add milc as a dependency and remove the installed milc (#10563)                                  

* ChibiOS upgrade: early init conversions (#10214)                                                 

* ChibiOS upgrade: configuration file migrator (#9952)                                             

* Haptic and solenoid cleanup (#9700)                                                              

* XD75 cleanup (#10524)                                                                            

* OLED display update interval support (#10388)                                                    

* Add definition based on currently-selected serial driver. (#10716)                               

* New feature: Retro Tapping per key (#10622)                                                      

* Allow for modification of output RGB values when using rgblight/rgb_matrix. (#10638)             

* Add housekeeping task callbacks so that keyboards/keymaps are capable of executing code for each main loop iteration. (#10530)

* Rescale both ChibiOS and AVR backlighting.                                                       

* Reduce Helix keyboard build variation (#8669)                                                    

* Minor change to behavior allowing display updates to continue between task ticks (#10750)        

* Some GPIO manipulations in matrix.c change to atomic. (#10491)                                   

* qmk cformat (#10767)                                                                             

* [Keyboard] Update the Speedo firmware for v3.0 (#10657)                                          

* Maartenwut/Maarten namechange to evyd13/Evy (#10274)                                             

* [quantum] combine repeated lines of code (#10837)                                                

* Add step sequencer feature (#9703)                                                               

* aeboards/ext65 refactor (#10820)                                                                 

* Refactor xelus/dawn60 for Rev2 later (#10584)                                                    

* add DEBUG_MATRIX_SCAN_RATE_ENABLE to common_features.mk (#10824)                                 

* [Core] Added `add_oneshot_mods` & `del_oneshot_mods` (#10549)                                    

* update chibios os usb for the otg driver (#8893)                                                 

* Remove HD44780 References, Part 4 (#10735)                                                       

* [Keyboard] Add Valor FRL TKL (+refactor) (#10512)                                                

* Fix cursor position bug in oled_write_raw functions (#10800)                                     

* Fixup version.h writing when using SKIP_VERSION=yes (#10972)                                     

* Allow for certain code in the codebase assuming length of string. (#10974)                       

* Add AT90USB support for serial.c (#10706)                                                        

* Auto shift: support repeats and early registration (#9826)                                       

* Rename ledmatrix.h to match .c file (#7949)                                                      

* Split RGB_MATRIX_ENABLE into _ENABLE and _DRIVER (#10231)                                        

* Split LED_MATRIX_ENABLE into _ENABLE and _DRIVER (#10840)                                        

* Merge point for 2020 Nov 28 Breaking Change                                                      

6 files changed, 8 insertions, 9 deletions

diff --git a/keyboards/massdrop/alt/alt.h b/keyboards/massdrop/alt/alt.h
index f1adcd67c7..0396095450 100644
--- a/keyboards/massdrop/alt/alt.h
+++ b/keyboards/massdrop/alt/alt.h
@@ -5,7 +5,7 @@
 #include "matrix.h"
 
 #include "i2c_master.h"
-#include "led_matrix.h" //For led keycodes
+#include "md_rgb_matrix.h" //For led keycodes
 #include "usb/udi_cdc.h"
 #include "usb/usb2422.h"
 
diff --git a/keyboards/massdrop/alt/config_led.c b/keyboards/massdrop/alt/config_led.c
index dfd35a8491..136117703c 100644
--- a/keyboards/massdrop/alt/config_led.c
+++ b/keyboards/massdrop/alt/config_led.c
@@ -1,7 +1,7 @@
 #ifdef RGB_MATRIX_ENABLE
 #include "alt.h"
 
-#include "led_matrix.h"
+#include "md_rgb_matrix.h"
 #include "rgb_matrix.h"
 #include "config_led.h"
 
@@ -52,7 +52,7 @@ led_config_t g_led_config = { {
 #ifdef USB_LED_INDICATOR_ENABLE
 void rgb_matrix_indicators_kb(void)
 {
-  led_matrix_indicators();
+  md_rgb_matrix_indicators();
 }
 #endif // USB_LED_INDICATOR_ENABLE
 
diff --git a/keyboards/massdrop/alt/keymaps/default_md/keymap.c b/keyboards/massdrop/alt/keymaps/default_md/keymap.c
index 9894caf48e..810585a3df 100644
--- a/keyboards/massdrop/alt/keymaps/default_md/keymap.c
+++ b/keyboards/massdrop/alt/keymaps/default_md/keymap.c
@@ -173,7 +173,7 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
 led_instruction_t led_instructions[] = {
     //LEDs are normally inactive, no processing is performed on them
     //Flags are used in matching criteria for an LED to be active and indicate how to color it
-    //Flags can be found in tmk_core/protocol/arm_atsam/led_matrix.h (prefixed with LED_FLAG_)
+    //Flags can be found in tmk_core/protocol/arm_atsam/md_rgb_matrix.h (prefixed with LED_FLAG_)
     //LED IDs can be found in config_led.h in the keyboard's directory
     //Examples are below
 
diff --git a/keyboards/massdrop/alt/keymaps/reywood/rgb_matrix_user.c b/keyboards/massdrop/alt/keymaps/reywood/rgb_matrix_user.c
index 36131e2020..9ea8fbede4 100644
--- a/keyboards/massdrop/alt/keymaps/reywood/rgb_matrix_user.c
+++ b/keyboards/massdrop/alt/keymaps/reywood/rgb_matrix_user.c
@@ -1,5 +1,5 @@
 #include "quantum.h"
-#include "led_matrix.h"
+#include "md_rgb_matrix.h"
 
 extern issi3733_led_t *led_cur;
 extern uint8_t led_per_run;
@@ -76,7 +76,7 @@ void rgb_matrix_init_user(void) {
   led_cur_index = 0;
 }
 
-void led_matrix_run(void) {
+void md_rgb_matrix_run(void) {
   uint8_t led_this_run = 0;
 
   if (led_cur == 0) { //Denotes start of new processing cycle in the case of chunked processing
diff --git a/keyboards/massdrop/alt/keymaps/reywood/rules.mk b/keyboards/massdrop/alt/keymaps/reywood/rules.mk
index 956d1c700c..fd78df14ef 100644
--- a/keyboards/massdrop/alt/keymaps/reywood/rules.mk
+++ b/keyboards/massdrop/alt/keymaps/reywood/rules.mk
@@ -26,7 +26,6 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no           # Audio output on port C6
 FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no         # Enable support for HD44780 based LCDs (+400)
 VIRTSER_ENABLE = no         # USB Serial Driver
 RAW_ENABLE = no             # Raw device
 AUTO_SHIFT_ENABLE = no      # Auto Shift
diff --git a/keyboards/massdrop/alt/rules.mk b/keyboards/massdrop/alt/rules.mk
index ff482bb570..548288f5d3 100644
--- a/keyboards/massdrop/alt/rules.mk
+++ b/keyboards/massdrop/alt/rules.mk
@@ -27,12 +27,12 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 AUDIO_ENABLE = no           # Audio output on port C6
 FAUXCLICKY_ENABLE = no      # Use buzzer to emulate clicky switches
-HD44780_ENABLE = no         # Enable support for HD44780 based LCDs
 VIRTSER_ENABLE = no         # USB Serial Driver
 RAW_ENABLE = no             # Raw device
 AUTO_SHIFT_ENABLE = no      # Auto Shift
 
 # Custom RGB matrix handling
-RGB_MATRIX_ENABLE = custom
+RGB_MATRIX_ENABLE = yes
+RGB_MATRIX_DRIVER = custom
 
 LAYOUTS = 65_ansi_blocker