Using BIT() is preferred over manual shifts as it's more readable,
handles the 1 << 31 case properly, and avoids other mistakes as shown by
the DEBUG0_HSYNC and DEBUG0_VSYNC bits (that are currently unused). Use
it.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
 drivers/gpu/drm/mxsfb/mxsfb_regs.h | 56 +++++++++++++++---------------
 1 file changed, 28 insertions(+), 28 deletions(-)

diff --git a/drivers/gpu/drm/mxsfb/mxsfb_regs.h 
b/drivers/gpu/drm/mxsfb/mxsfb_regs.h
index 932d7ea08fd5..713d8f830135 100644
--- a/drivers/gpu/drm/mxsfb/mxsfb_regs.h
+++ b/drivers/gpu/drm/mxsfb/mxsfb_regs.h
@@ -28,51 +28,51 @@
 #define LCDC_V4_DEBUG0                 0x1d0
 #define LCDC_V3_DEBUG0                 0x1f0
 
-#define CTRL_SFTRST                    (1 << 31)
-#define CTRL_CLKGATE                   (1 << 30)
-#define CTRL_BYPASS_COUNT              (1 << 19)
-#define CTRL_VSYNC_MODE                        (1 << 18)
-#define CTRL_DOTCLK_MODE               (1 << 17)
-#define CTRL_DATA_SELECT               (1 << 16)
+#define CTRL_SFTRST                    BIT(31)
+#define CTRL_CLKGATE                   BIT(30)
+#define CTRL_BYPASS_COUNT              BIT(19)
+#define CTRL_VSYNC_MODE                        BIT(18)
+#define CTRL_DOTCLK_MODE               BIT(17)
+#define CTRL_DATA_SELECT               BIT(16)
 #define CTRL_SET_BUS_WIDTH(x)          (((x) & 0x3) << 10)
 #define CTRL_GET_BUS_WIDTH(x)          (((x) >> 10) & 0x3)
 #define CTRL_BUS_WIDTH_MASK            (0x3 << 10)
 #define CTRL_SET_WORD_LENGTH(x)                (((x) & 0x3) << 8)
 #define CTRL_GET_WORD_LENGTH(x)                (((x) >> 8) & 0x3)
-#define CTRL_MASTER                    (1 << 5)
-#define CTRL_DF16                      (1 << 3)
-#define CTRL_DF18                      (1 << 2)
-#define CTRL_DF24                      (1 << 1)
-#define CTRL_RUN                       (1 << 0)
+#define CTRL_MASTER                    BIT(5)
+#define CTRL_DF16                      BIT(3)
+#define CTRL_DF18                      BIT(2)
+#define CTRL_DF24                      BIT(1)
+#define CTRL_RUN                       BIT(0)
 
-#define CTRL1_FIFO_CLEAR               (1 << 21)
+#define CTRL1_FIFO_CLEAR               BIT(21)
 #define CTRL1_SET_BYTE_PACKAGING(x)    (((x) & 0xf) << 16)
 #define CTRL1_GET_BYTE_PACKAGING(x)    (((x) >> 16) & 0xf)
-#define CTRL1_CUR_FRAME_DONE_IRQ_EN    (1 << 13)
-#define CTRL1_CUR_FRAME_DONE_IRQ       (1 << 9)
+#define CTRL1_CUR_FRAME_DONE_IRQ_EN    BIT(13)
+#define CTRL1_CUR_FRAME_DONE_IRQ       BIT(9)
 
 #define TRANSFER_COUNT_SET_VCOUNT(x)   (((x) & 0xffff) << 16)
 #define TRANSFER_COUNT_GET_VCOUNT(x)   (((x) >> 16) & 0xffff)
 #define TRANSFER_COUNT_SET_HCOUNT(x)   ((x) & 0xffff)
 #define TRANSFER_COUNT_GET_HCOUNT(x)   ((x) & 0xffff)
 
-#define VDCTRL0_ENABLE_PRESENT         (1 << 28)
-#define VDCTRL0_VSYNC_ACT_HIGH         (1 << 27)
-#define VDCTRL0_HSYNC_ACT_HIGH         (1 << 26)
-#define VDCTRL0_DOTCLK_ACT_FALLING     (1 << 25)
-#define VDCTRL0_ENABLE_ACT_HIGH                (1 << 24)
-#define VDCTRL0_VSYNC_PERIOD_UNIT      (1 << 21)
-#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT (1 << 20)
-#define VDCTRL0_HALF_LINE              (1 << 19)
-#define VDCTRL0_HALF_LINE_MODE         (1 << 18)
+#define VDCTRL0_ENABLE_PRESENT         BIT(28)
+#define VDCTRL0_VSYNC_ACT_HIGH         BIT(27)
+#define VDCTRL0_HSYNC_ACT_HIGH         BIT(26)
+#define VDCTRL0_DOTCLK_ACT_FALLING     BIT(25)
+#define VDCTRL0_ENABLE_ACT_HIGH                BIT(24)
+#define VDCTRL0_VSYNC_PERIOD_UNIT      BIT(21)
+#define VDCTRL0_VSYNC_PULSE_WIDTH_UNIT BIT(20)
+#define VDCTRL0_HALF_LINE              BIT(19)
+#define VDCTRL0_HALF_LINE_MODE         BIT(18)
 #define VDCTRL0_SET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
 #define VDCTRL0_GET_VSYNC_PULSE_WIDTH(x) ((x) & 0x3ffff)
 
 #define VDCTRL2_SET_HSYNC_PERIOD(x)    ((x) & 0x3ffff)
 #define VDCTRL2_GET_HSYNC_PERIOD(x)    ((x) & 0x3ffff)
 
-#define VDCTRL3_MUX_SYNC_SIGNALS       (1 << 29)
-#define VDCTRL3_VSYNC_ONLY             (1 << 28)
+#define VDCTRL3_MUX_SYNC_SIGNALS       BIT(29)
+#define VDCTRL3_VSYNC_ONLY             BIT(28)
 #define SET_HOR_WAIT_CNT(x)            (((x) & 0xfff) << 16)
 #define GET_HOR_WAIT_CNT(x)            (((x) >> 16) & 0xfff)
 #define SET_VERT_WAIT_CNT(x)           ((x) & 0xffff)
@@ -80,11 +80,11 @@
 
 #define VDCTRL4_SET_DOTCLK_DLY(x)      (((x) & 0x7) << 29) /* v4 only */
 #define VDCTRL4_GET_DOTCLK_DLY(x)      (((x) >> 29) & 0x7) /* v4 only */
-#define VDCTRL4_SYNC_SIGNALS_ON                (1 << 18)
+#define VDCTRL4_SYNC_SIGNALS_ON                BIT(18)
 #define SET_DOTCLK_H_VALID_DATA_CNT(x) ((x) & 0x3ffff)
 
-#define DEBUG0_HSYNC                   (1 < 26)
-#define DEBUG0_VSYNC                   (1 < 25)
+#define DEBUG0_HSYNC                   BIT(26)
+#define DEBUG0_VSYNC                   BIT(25)
 
 #define MXSFB_MIN_XRES                 120
 #define MXSFB_MIN_YRES                 120
-- 
Regards,

Laurent Pinchart

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