diff --git a/ion/src/device/display.cpp b/ion/src/device/display.cpp
index 548ce2b67..25feb5b07 100644
--- a/ion/src/device/display.cpp
+++ b/ion/src/device/display.cpp
@@ -5,6 +5,12 @@ extern "C" {
 #include <assert.h>
 }
 
+/* This driver interfaces with the ST7789V LCD controller.
+ * This chip keeps a whole frame in SRAM memory and feeds it to the LCD panel as
+ * needed. We use the STM32's FSMC to drive the bus between the ST7789V. Once
+ * configured, we only need to write in the address space of the MCU to actually
+ * send some data to the LCD controller. */
+
 // Public Ion::Display methods
 
 namespace Ion {
@@ -128,35 +134,17 @@ void initFSMC() {
 
 void initPanel() {
 
-  *CommandAddress = Command::Reset; //software reset
+  *CommandAddress = Command::Reset;
   msleep(5);
 
   *CommandAddress = Command::SleepOut;
   msleep(5);
 
-  SEND_COMMAND(PowerControlB, 0x00, 0x83, 0x30);
-  SEND_COMMAND(PowerOnSequenceControl, 0x64, 0x03, 0x12, 0x81);
-  SEND_COMMAND(DriverTimingControlA, 0x85, 0x01, 0x79);
-  SEND_COMMAND(PowerControlA, 0x39, 0x2C, 0x00, 0x34, 0x02);
-  SEND_COMMAND(PumpRatioControl, 0x20);
-  SEND_COMMAND(DriverTimingControlB, 0x00, 0x00);
-  SEND_COMMAND(PowerControl2, 0x11);
-  SEND_COMMAND(VCOMControl1, 0x34, 0x3D);
-  SEND_COMMAND(VCOMControl2, 0xC0);
-  SEND_COMMAND(MemoryAccessControl, 0xA8);
-  SEND_COMMAND(PixelFormatSet, 0x55);
-  SEND_COMMAND(FrameRateControl, 0x00, 0x1D);
-  SEND_COMMAND(DisplayFunctionControl, 0x0A, 0xA2, 0x27, 0x00);
-  SEND_COMMAND(EntryMode, 0x07);
-  SEND_COMMAND(Enable3G, 0x08);
-  SEND_COMMAND(GammaSet, 0x01);
-  SEND_COMMAND(PositiveGammaCorrection, 0x1f, 0x1a, 0x18, 0x0a, 0x0f, 0x06, 0x45, 0x87, 0x32, 0x0a, 0x07, 0x02, 0x07, 0x05, 0x00);
-  SEND_COMMAND(NegativeGammaCorrection, 0x00, 0x25, 0x27, 0x05, 0x10, 0x09, 0x3a, 0x78, 0x4d, 0x05, 0x18, 0x0d, 0x38, 0x3a, 0x1f);
-  SEND_COMMAND(InterfaceControl, 0x01, 0x00, 0x20); // Data is sent little-endian
 
-  //*CommandAddress = Command::SleepOut;    //Exit Sleep
-  //msleep(120);
-  *CommandAddress = Command::DisplayOn;    //Display on
+  SEND_COMMAND(PixelFormatSet, 0x05);
+  SEND_COMMAND(MemoryAccessControl, 0xA0);
+
+  *CommandAddress = Command::DisplayOn;
   //msleep(50);
 }
 
@@ -207,7 +195,7 @@ void pullPixels(KDColor * pixels, size_t numberOfPixels) {
   if (numberOfPixels == 0) {
     return;
   }
-  SEND_COMMAND(PixelFormatSet, 0x66);
+  SEND_COMMAND(PixelFormatSet, 0x06);
   *CommandAddress  = Command::MemoryRead;
   uint16_t dummy = *DataAddress; // First read is dummy data, per datasheet
   while (true) {
@@ -228,7 +216,7 @@ void pullPixels(KDColor * pixels, size_t numberOfPixels) {
     *pixels++ = KDColor::RGB16(secondPixel);
     numberOfPixels--;
   }
-  SEND_COMMAND(PixelFormatSet, 0x55);
+  SEND_COMMAND(PixelFormatSet, 0x05);
 }
 
 }
diff --git a/ion/src/device/display.h b/ion/src/device/display.h
index 48801b81a..d95cada02 100644
--- a/ion/src/device/display.h
+++ b/ion/src/device/display.h
@@ -57,28 +57,11 @@ enum class Command : uint16_t {
   DisplayOff = 0x28,
   DisplayOn = 0x29,
   ColumnAddressSet = 0x2A,
-  GammaSet = 0x26,
   PageAddressSet = 0x2B,
   MemoryWrite = 0x2C,
   MemoryRead = 0x2E,
   MemoryAccessControl = 0x36,
   PixelFormatSet = 0x3A,
-  FrameRateControl = 0xB1,
-  DisplayFunctionControl = 0xB6,
-  EntryMode = 0xB7,
-  PowerControl2 = 0xC1,
-  VCOMControl1 = 0xC5,
-  VCOMControl2 = 0xC7,
-  PowerControlA = 0xCB,
-  PowerControlB = 0xCF,
-  PositiveGammaCorrection = 0xE0,
-  NegativeGammaCorrection = 0xE1,
-  DriverTimingControlA = 0xE8,
-  DriverTimingControlB = 0xEA,
-  PowerOnSequenceControl = 0xED,
-  Enable3G = 0xF2,
-  InterfaceControl = 0xF6,
-  PumpRatioControl = 0xF7,
 };
 
 constexpr static int FSMCMemoryBank = 1;