staging: sm750fb: merge reserved bits of PANEL/CRT_DISPLAY_CTRL registers

Use single mask for reserved bits in PANEL_DISPLAY_CTRL and
CRT_DISPLAY_CTRL registers.
Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_display.c

@@ -33,9 +33,7 @@ static void setDisplayControl(int ctrl, int disp_state)
 			 * writing to the PRIMARY_DISPLAY_CTRL, therefore, the register
 			 * reserved bits are needed to be masked out.
 			 */
-			reserved = FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_1_MASK, ENABLE) |
-				FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_2_MASK, ENABLE) |
-				FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_3_MASK, ENABLE);
+			reserved = PANEL_DISPLAY_CTRL_RESERVED_MASK;
 
 			/* Somehow the register value on the plane is not set
 			 * until a few delay. Need to write
@@ -80,12 +78,7 @@ static void setDisplayControl(int ctrl, int disp_state)
 			 * writing to the PRIMARY_DISPLAY_CTRL, therefore, the register
 			 * reserved bits are needed to be masked out.
 			 */
-
-			reserved = FIELD_SET(0, CRT_DISPLAY_CTRL, RESERVED_1_MASK, ENABLE) |
-				FIELD_SET(0, CRT_DISPLAY_CTRL, RESERVED_2_MASK, ENABLE) |
-				FIELD_SET(0, CRT_DISPLAY_CTRL, RESERVED_3_MASK, ENABLE) |
-				FIELD_SET(0, CRT_DISPLAY_CTRL, RESERVED_4_MASK, ENABLE);
-
+			reserved = CRT_DISPLAY_CTRL_RESERVED_MASK;
 			do {
 				cnt++;
 				POKE32(CRT_DISPLAY_CTRL, reg);

drivers/staging/sm750fb/ddk750_mode.c

@@ -152,10 +152,7 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
 			FIELD_SET(0, DISPLAY_CTRL, TIMING, ENABLE) |
 			FIELD_SET(0, DISPLAY_CTRL, PLANE, ENABLE);
 
-		reserved = FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_1_MASK,
-				     ENABLE) |
-				 FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_2_MASK, ENABLE) |
-				 FIELD_SET(0, PANEL_DISPLAY_CTRL, RESERVED_3_MASK, ENABLE) |
+		reserved = PANEL_DISPLAY_CTRL_RESERVED_MASK |
 			FIELD_SET(0, PANEL_DISPLAY_CTRL, VSYNC, ACTIVE_LOW);
 
 		reg = (PEEK32(PANEL_DISPLAY_CTRL) & ~reserved)

drivers/staging/sm750fb/ddk750_reg.h

@@ -782,9 +782,7 @@
 
 
 #define PANEL_DISPLAY_CTRL                            0x080000
-#define PANEL_DISPLAY_CTRL_RESERVED_1_MASK            31:30
-#define PANEL_DISPLAY_CTRL_RESERVED_1_MASK_DISABLE    0
-#define PANEL_DISPLAY_CTRL_RESERVED_1_MASK_ENABLE     3
+#define PANEL_DISPLAY_CTRL_RESERVED_MASK              0xc0f08000
 #define PANEL_DISPLAY_CTRL_SELECT                     29:28
 #define PANEL_DISPLAY_CTRL_SELECT_PANEL               0
 #define PANEL_DISPLAY_CTRL_SELECT_VGA                 1
@@ -801,9 +799,6 @@
 #define PANEL_DISPLAY_CTRL_FPVDDEN                    24:24
 #define PANEL_DISPLAY_CTRL_FPVDDEN_LOW                0
 #define PANEL_DISPLAY_CTRL_FPVDDEN_HIGH               1
-#define PANEL_DISPLAY_CTRL_RESERVED_2_MASK            23:20
-#define PANEL_DISPLAY_CTRL_RESERVED_2_MASK_DISABLE    0
-#define PANEL_DISPLAY_CTRL_RESERVED_2_MASK_ENABLE     15
 
 #define PANEL_DISPLAY_CTRL_TFT_DISP 19:18
 #define PANEL_DISPLAY_CTRL_TFT_DISP_24 0
@@ -822,9 +817,6 @@
 #define PANEL_DISPLAY_CTRL_FIFO_3                     1
 #define PANEL_DISPLAY_CTRL_FIFO_7                     2
 #define PANEL_DISPLAY_CTRL_FIFO_11                    3
-#define PANEL_DISPLAY_CTRL_RESERVED_3_MASK            15:15
-#define PANEL_DISPLAY_CTRL_RESERVED_3_MASK_DISABLE    0
-#define PANEL_DISPLAY_CTRL_RESERVED_3_MASK_ENABLE     1
 #define DISPLAY_CTRL_CLOCK_PHASE                      14:14
 #define DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_HIGH          0
 #define DISPLAY_CTRL_CLOCK_PHASE_ACTIVE_LOW           1
@@ -1365,9 +1357,7 @@
 /* CRT Graphics Control */
 
 #define CRT_DISPLAY_CTRL                              0x080200
-#define CRT_DISPLAY_CTRL_RESERVED_1_MASK	      31:27
-#define CRT_DISPLAY_CTRL_RESERVED_1_MASK_DISABLE      0
-#define CRT_DISPLAY_CTRL_RESERVED_1_MASK_ENABLE       0x1F
+#define CRT_DISPLAY_CTRL_RESERVED_MASK                0xfb008200
 
 /* SM750LE definition */
 #define CRT_DISPLAY_CTRL_DPMS                         31:30
@@ -1388,11 +1378,6 @@
 #define CRT_DISPLAY_CTRL_SHIFT_VGA_DAC_DISABLE        1
 #define CRT_DISPLAY_CTRL_SHIFT_VGA_DAC_ENABLE         0
 
-
-#define CRT_DISPLAY_CTRL_RESERVED_2_MASK	      25:24
-#define CRT_DISPLAY_CTRL_RESERVED_2_MASK_ENABLE	      3
-#define CRT_DISPLAY_CTRL_RESERVED_2_MASK_DISABLE      0
-
 /* SM750LE definition */
 #define CRT_DISPLAY_CTRL_CRTSELECT                    25:25
 #define CRT_DISPLAY_CTRL_CRTSELECT_VGA                0
@@ -1401,15 +1386,6 @@
 #define CRT_DISPLAY_CTRL_RGBBIT_24BIT                 0
 #define CRT_DISPLAY_CTRL_RGBBIT_12BIT                 1
 
-
-#define CRT_DISPLAY_CTRL_RESERVED_3_MASK	      15:15
-#define CRT_DISPLAY_CTRL_RESERVED_3_MASK_DISABLE      0
-#define CRT_DISPLAY_CTRL_RESERVED_3_MASK_ENABLE       1
-
-#define CRT_DISPLAY_CTRL_RESERVED_4_MASK	      9:9
-#define CRT_DISPLAY_CTRL_RESERVED_4_MASK_DISABLE      0
-#define CRT_DISPLAY_CTRL_RESERVED_4_MASK_ENABLE       1
-
 #ifndef VALIDATION_CHIP
     #define CRT_DISPLAY_CTRL_SHIFT_VGA_DAC            26:26
     #define CRT_DISPLAY_CTRL_SHIFT_VGA_DAC_DISABLE    1
@@ -1447,7 +1423,6 @@
 #define CRT_DISPLAY_CTRL_FORMAT_8                     0
 #define CRT_DISPLAY_CTRL_FORMAT_16                    1
 #define CRT_DISPLAY_CTRL_FORMAT_32                    2
-#define CRT_DISPLAY_CTRL_RESERVED_BITS_MASK           0xFF000200
 
 #define CRT_FB_ADDRESS                                0x080204
 #define CRT_FB_ADDRESS_STATUS                         31:31