staging: sm750fb: change definition of PANEL_PLANE_BR fields

Use stratight-forward defintion of PANEL_PLANE_BR register fields and
use open-coded implementation for register manipulations

Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/sm750fb/ddk750_reg.h

@@ -853,8 +853,9 @@
 #define PANEL_PLANE_TL_LEFT_MASK                      0xeff
 
 #define PANEL_PLANE_BR                                0x080020
-#define PANEL_PLANE_BR_BOTTOM                         26:16
-#define PANEL_PLANE_BR_RIGHT                          10:0
+#define PANEL_PLANE_BR_BOTTOM_SHIFT                   16
+#define PANEL_PLANE_BR_BOTTOM_MASK                    (0xeff << 16)
+#define PANEL_PLANE_BR_RIGHT_MASK                     0xeff
 
 #define PANEL_HORIZONTAL_TOTAL                        0x080024
 #define PANEL_HORIZONTAL_TOTAL_TOTAL                  27:16

drivers/staging/sm750fb/sm750_hw.c

@@ -331,9 +331,10 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
 
 		POKE32(PANEL_PLANE_TL, 0);
 
-		POKE32(PANEL_PLANE_BR,
-			FIELD_VALUE(0, PANEL_PLANE_BR, BOTTOM, var->yres - 1)|
-			FIELD_VALUE(0, PANEL_PLANE_BR, RIGHT, var->xres - 1));
+		reg = ((var->yres - 1) << PANEL_PLANE_BR_BOTTOM_SHIFT) &
+		       PANEL_PLANE_BR_BOTTOM_MASK;
+		reg |= ((var->xres - 1) & PANEL_PLANE_BR_RIGHT_MASK);
+		POKE32(PANEL_PLANE_BR, reg);
 
 		/* set pixel format */
 		reg = PEEK32(PANEL_DISPLAY_CTRL);