@@ -86,17 +86,21 @@
#endif /* CONFIG_ARCH_OMAP15XX */
/* Override the ARM default */
-#ifdef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
+#ifndef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
+#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 0
+#endif
-#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0)
+#if (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE == 0) && \
+ (defined(CONFIG_SND_OMAP_SOC) || defined(CONFIG_SND_OMAP_SOC_MODULE))
#undef CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE
-#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 2
+#define CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE 1
#endif
-#define CONSISTENT_DMA_SIZE \
- (((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE + 1) & ~1) * 1024 * 1024)
+#define CONSISTENT_WC_SIZE \
+ (CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE * 1024 * 1024)
-#endif
+#define CONSISTENT_DMA_SIZE \
+ ((CONFIG_FB_OMAP_CONSISTENT_DMA_SIZE % 2 ? 1 : 2) * 1024 * 1024)
#endif
@@ -85,9 +85,10 @@ config FB_OMAP_CONSISTENT_DMA_SIZE
range 1 14
default 2
help
- Increase the DMA consistent memory size according to your video
+ Increase the DMA writecombine memory size according to your video
memory needs, for example if you want to use multiple planes.
- The size must be 2MB aligned.
+ Note that 256kB can be consumed by OMAP sound driver if active.
+ Specifying an odd number reduces DMA coherent memory from 2 to 1MB.
If unsure say 1.
config FB_OMAP_DMA_TUNE