redonkable/alistair23-linux
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staging: sm750fb: change definition of PANEL_PLANE_BR fields

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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>
This commit is contained in:
Mike Rapoport 2016-02-10 18:34:16 +02:00 committed by Greg Kroah-Hartman
parent 30ca5cb63c
commit 27b047bbe1
2 changed files with 7 additions and 5 deletions
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5
drivers/staging/sm750fb/ddk750_reg.h
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@ -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

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

@ -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);