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staging: sm750fb: change definition of CRT_VERTICAL_TOTAL fields

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Use stratight-forward definition of CRT_VERTICAL_TOTAL register fields
and use open-coded implementation for register manipulation

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 2016-02-15 19:53:49 +02:00 committed by Greg Kroah-Hartman
parent 1adb3c2338
commit 3d5158d3e3
2 changed files with 8 additions and 4 deletions
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7
drivers/staging/sm750fb/ddk750_mode.c
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@ -97,8 +97,11 @@ static int programModeRegisters(mode_parameter_t *pModeParam, pll_value_t *pll)
CRT_HORIZONTAL_SYNC_START_MASK));
POKE32(CRT_VERTICAL_TOTAL,
FIELD_VALUE(0, CRT_VERTICAL_TOTAL, TOTAL, pModeParam->vertical_total - 1)
| FIELD_VALUE(0, CRT_VERTICAL_TOTAL, DISPLAY_END, pModeParam->vertical_display_end - 1));
(((pModeParam->vertical_total - 1) <<
CRT_VERTICAL_TOTAL_TOTAL_SHIFT) &
CRT_VERTICAL_TOTAL_TOTAL_MASK) |
((pModeParam->vertical_display_end - 1) &
CRT_VERTICAL_TOTAL_DISPLAY_END_MASK));
POKE32(CRT_VERTICAL_SYNC,
FIELD_VALUE(0, CRT_VERTICAL_SYNC, HEIGHT, pModeParam->vertical_sync_height)

5
drivers/staging/sm750fb/ddk750_reg.h
View File

@ -1387,8 +1387,9 @@
#define CRT_HORIZONTAL_SYNC_START_MASK 0xfff
#define CRT_VERTICAL_TOTAL 0x080214
#define CRT_VERTICAL_TOTAL_TOTAL 26:16
#define CRT_VERTICAL_TOTAL_DISPLAY_END 10:0
#define CRT_VERTICAL_TOTAL_TOTAL_SHIFT 16
#define CRT_VERTICAL_TOTAL_TOTAL_MASK (0x7ff << 16)
#define CRT_VERTICAL_TOTAL_DISPLAY_END_MASK (0x7ff)
#define CRT_VERTICAL_SYNC 0x080218
#define CRT_VERTICAL_SYNC_HEIGHT 21:16