display_send_command(0x3a); // COLMOD (should be 0x55)
display_send_data(0x06);
display_send_command(0xbb); // VCOMS (default: 0x20)
display_send_data(0x2b);
display_send_command(0xc3); // VRHS (default: 0xb)
display_send_data(0x11);
display_send_command(0xd0); // PWCTRL1 (default: 0xa4, 0x81)
display_send_data(0xa4);
display_send_data(0xa1);
display_send_command(0xe0); // PVGAMCTRL
display_send_data(0xd0);
display_send_data(0x00);
display_send_data(0x05);
display_send_data(0x0e);
display_send_data(0x15);
display_send_data(0x0d);
display_send_data(0x37);
display_send_data(0x43);
display_send_data(0x47);
display_send_data(0x09);
display_send_data(0x15);
display_send_data(0x12);
display_send_data(0x16);
display_send_data(0x19);
display_send_command(0xe1); // NVGAMCTRL
display_send_data(0xd0);
display_send_data(0x00);
display_send_data(0x05);
display_send_data(0x0d);
display_send_data(0x0c);
display_send_data(0x06);
display_send_data(0x2d);
display_send_data(0x44);
display_send_data(0x40);
display_send_data(0x0e);
display_send_data(0x1c);
display_send_data(0x18);
display_send_data(0x16);
display_send_data(0x19);