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staging: sm750fb: change definition of PANEL_WINDOW_WIDTH fields

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Use stratight-forward defintion of PANEL_WINDOW_WIDTH 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>
This commit is contained in:
Mike Rapoport 2016-02-10 18:34:13 +02:00 committed by Greg Kroah-Hartman
parent 26a3cc907c
commit 4c221d82cf
2 changed files with 7 additions and 5 deletions
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5
drivers/staging/sm750fb/ddk750_reg.h
View File

@ -838,8 +838,9 @@
#define PANEL_FB_WIDTH_OFFSET_MASK 0x3fff
#define PANEL_WINDOW_WIDTH 0x080014
#define PANEL_WINDOW_WIDTH_WIDTH 27:16
#define PANEL_WINDOW_WIDTH_X 11:0
#define PANEL_WINDOW_WIDTH_WIDTH_SHIFT 16
#define PANEL_WINDOW_WIDTH_WIDTH_MASK (0xfff << 16)
#define PANEL_WINDOW_WIDTH_X_MASK 0xfff
#define PANEL_WINDOW_HEIGHT 0x080018
#define PANEL_WINDOW_HEIGHT_HEIGHT 27:16

7
drivers/staging/sm750fb/sm750_hw.c
View File

@ -318,9 +318,10 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
reg |= (fix->line_length & PANEL_FB_WIDTH_OFFSET_MASK);
POKE32(PANEL_FB_WIDTH, reg);
POKE32(PANEL_WINDOW_WIDTH,
FIELD_VALUE(0, PANEL_WINDOW_WIDTH, WIDTH, var->xres - 1)|
FIELD_VALUE(0, PANEL_WINDOW_WIDTH, X, var->xoffset));
reg = ((var->xres - 1) << PANEL_WINDOW_WIDTH_WIDTH_SHIFT) &
PANEL_WINDOW_WIDTH_WIDTH_MASK;
reg |= (var->xoffset & PANEL_WINDOW_WIDTH_X_MASK);
POKE32(PANEL_WINDOW_WIDTH, reg);
POKE32(PANEL_WINDOW_HEIGHT,
FIELD_VALUE(0, PANEL_WINDOW_HEIGHT, HEIGHT, var->yres_virtual - 1)|