STM32LTDC: Expose more options to board file

boards/base/STM32F429i-Discovery/chibios/board_STM32LTDC.h

@@ -23,7 +23,9 @@ static const SPIConfig spi_cfg = {
 	((1 << 3) & SPI_CR1_BR) | SPI_CR1_SSM | SPI_CR1_SSI | SPI_CR1_MSTR
 };
 
+#define LTDC_USE_DMA2D			GFXON
 #define LTDC_USE_2ND_LAYER		GFXON
+#define LTDC_DMA_CACHE_FLUSH	GFXOFF		// This will be turned on automatically on certain systems/platforms
 
 static const ltdcConfig driverCfg = {
 	240, 320,

boards/base/STM32F439i-Eval/CubeHal/board_STM32LTDC.h

@@ -19,7 +19,9 @@
 #include "stm32f4xx_hal.h"
 #include "stm324x9i_eval_sdram.h"
 
+#define LTDC_USE_DMA2D			GFXON
 #define LTDC_USE_2ND_LAYER		GFXON
+#define LTDC_DMA_CACHE_FLUSH	GFXOFF		// This will be turned on automatically on certain systems/platforms
 
 // Panel parameters
 // This panel is a AMPIRE640480 panel.

boards/base/STM32F469i-Discovery/CubeHAL/board_STM32LTDC.h

@@ -8,6 +8,10 @@
 #ifndef _GDISP_LLD_BOARD_H
 #define _GDISP_LLD_BOARD_H
 
+#define LTDC_USE_DMA2D			GFXON
+#define LTDC_USE_2ND_LAYER		GFXON
+#define LTDC_DMA_CACHE_FLUSH	GFXOFF		// This will be turned on automatically on certain systems/platforms
+
 /* Avoid naming collisions with CubeHAL. */
 #if GFX_COMPAT_V2 && GFX_COMPAT_OLDCOLORS
 	#undef Red

boards/base/STM32F746-Discovery/board_STM32LTDC.h

@@ -36,7 +36,9 @@
 	#define AFRH	AFR[1]
 #endif
 
+#define LTDC_USE_DMA2D			GFXON
 #define LTDC_USE_2ND_LAYER		GFXON
+#define LTDC_DMA_CACHE_FLUSH	GFXOFF		// This will be turned on automatically on certain systems/platforms
 
 static const ltdcConfig driverCfg = {
 	480, 272,								// Width, Height (pixels)

drivers/gdisp/STM32LTDC/board_STM32LTDC_template.h

@@ -8,7 +8,9 @@
 #ifndef _GDISP_LLD_BOARD_H
 #define _GDISP_LLD_BOARD_H
 
-#define LTDC_USE_2ND_LAYER		GFXON
+#define LTDC_USE_DMA2D			GFXON
+#define LTDC_USE_2ND_LAYER		GFXOFF
+#define LTDC_DMA_CACHE_FLUSH	GFXOFF		// This will be turned on automatically on certain systems/platforms
 
 static const ltdcConfig driverCfg = {
 	480, 272,								// Width, Height (pixels)

drivers/gdisp/STM32LTDC/gdisp_lld_STM32LTDC.c

@@ -12,6 +12,10 @@
 #define GDISP_DRIVER_VMT			GDISPVMT_STM32LTDC
 #include "gdisp_lld_config.h"
 #include "../../../src/gdisp/gdisp_driver.h"
+#include "stm32_ltdc.h"
+#if LTDC_USE_DMA2D
+ 	#include "stm32_dma2d.h"
+#endif
 
 #if defined(GDISP_SCREEN_HEIGHT) || defined(GDISP_SCREEN_HEIGHT)
 	#if GFX_COMPILER_WARNING_TYPE == GFX_COMPILER_WARNING_DIRECT
@@ -23,25 +27,6 @@
 	#undef GDISP_SCREEN_HEIGHT
 #endif
 
-#ifndef LTDC_USE_DMA2D
- 	#define LTDC_USE_DMA2D 			GFXOFF
-#endif
-#ifndef	LTDC_DMA_CACHE_FLUSH
-	#define	LTDC_DMA_CACHE_FLUSH	GFXOFF
-#endif
-
-#include "stm32_ltdc.h"
-
-#if LTDC_USE_DMA2D
- 	#include "stm32_dma2d.h"
-
-	#if defined(STM32F7) || defined(STM32H7) || defined(STM32F746xx)
-		#undef 	LTDC_DMA_CACHE_FLUSH
-		#define	LTDC_DMA_CACHE_FLUSH	GFXON
-	#endif
-#endif
-
-
 typedef struct ltdcLayerConfig {
 	// Frame
 	LLDCOLOR_TYPE*	frame;			// Frame buffer address
@@ -90,6 +75,20 @@ typedef struct ltdcConfig {
 
 #include "board_STM32LTDC.h"
 
+#ifndef LTDC_USE_DMA2D
+ 	#define LTDC_USE_DMA2D 			GFXOFF
+#endif
+#ifndef	LTDC_DMA_CACHE_FLUSH
+	#define	LTDC_DMA_CACHE_FLUSH	GFXOFF
+#endif
+
+#if LTDC_USE_DMA2D
+	#if defined(STM32F7) || defined(STM32H7) || defined(STM32F746xx)
+		#undef 	LTDC_DMA_CACHE_FLUSH
+		#define	LTDC_DMA_CACHE_FLUSH	GFXON
+	#endif
+#endif
+
 /*===========================================================================*/
 /* Driver local definitions.                                                 */
 /*===========================================================================*/