mx31: changed CONSISTENT_DMA_SIZE to 8M for mx31 video

Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

2 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index eca37d09f3f8..6065e00176ed 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -32,4 +32,12 @@
 #define CONSISTENT_DMA_SIZE SZ_4M
 #endif /* CONFIG_MX1_VIDEO */
 
+#if defined(CONFIG_MX3_VIDEO)
+/*
+ * Increase size of DMA-consistent memory region.
+ * This is required for mx3 camera driver to capture at least two QXGA frames.
+ */
+#define CONSISTENT_DMA_SIZE SZ_8M
+#endif /* CONFIG_MX3_VIDEO */
+
 #endif /* __ASM_ARCH_MXC_MEMORY_H__ */
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 9d48da2fb013..57835f5715fc 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -758,10 +758,14 @@ config VIDEO_MX1
         ---help---
           This is a v4l2 driver for the i.MX1/i.MXL CMOS Sensor Interface
 
+config MX3_VIDEO
+        bool
+
 config VIDEO_MX3
         tristate "i.MX3x Camera Sensor Interface driver"
         depends on VIDEO_DEV && MX3_IPU && SOC_CAMERA
         select VIDEOBUF_DMA_CONTIG
+        select MX3_VIDEO
         ---help---
           This is a v4l2 driver for the i.MX3x Camera Sensor Interface