[media] s5p-fimc: fix MSCTRL.FIFO_CTRL for performance enhancement

Commit Message

Hyunwoong Kim Dec. 29, 2010, 7:50 a.m. UTC

None

Patch

diff --git a/drivers/media/video/s5p-fimc/fimc-reg.c b/drivers/media/video/s5p-fimc/fimc-reg.c
index 88951b8..0eb9319 100644
--- a/drivers/media/video/s5p-fimc/fimc-reg.c
+++ b/drivers/media/video/s5p-fimc/fimc-reg.c
@@ -457,7 +457,9 @@  void fimc_hw_set_in_dma(struct fimc_ctx *ctx)
 		| S5P_MSCTRL_C_INT_IN_MASK
 		| S5P_MSCTRL_2P_IN_ORDER_MASK);
 
-	cfg |= (S5P_MSCTRL_FRAME_COUNT(1) | S5P_MSCTRL_INPUT_MEMORY);
+	cfg |= (S5P_MSCTRL_FRAME_COUNT(1)
+		| S5P_MSCTRL_INPUT_MEMORY
+		| S5P_MSCTRL_FIFO_CTRL_FULL);
 
 	switch (frame->fmt->color) {
 	case S5P_FIMC_RGB565:
diff --git a/drivers/media/video/s5p-fimc/regs-fimc.h b/drivers/media/video/s5p-fimc/regs-fimc.h
index 28bd2fb..a984e81 100644
--- a/drivers/media/video/s5p-fimc/regs-fimc.h
+++ b/drivers/media/video/s5p-fimc/regs-fimc.h
@@ -226,6 +226,7 @@ 
 #define S5P_MSCTRL_FLIP_X_MIRROR	(1 << 13)
 #define S5P_MSCTRL_FLIP_Y_MIRROR	(2 << 13)
 #define S5P_MSCTRL_FLIP_180		(3 << 13)
+#define S5P_MSCTRL_FIFO_CTRL_FULL	(1 << 12)
 #define S5P_MSCTRL_ORDER422_SHIFT	4
 #define S5P_MSCTRL_ORDER422_YCBYCR	(0 << 4)
 #define S5P_MSCTRL_ORDER422_CBYCRY	(1 << 4)