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authorMike Rapoport <mike.rapoport@gmail.com>2016-02-15 19:54:04 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-02-15 18:26:17 -0800
commitd6a4cba73c63bb027275ec4d318ed52fb123cbfd (patch)
tree3cce09067e921c1a0f6215a6de4913993d47235a /drivers/staging/sm750fb/sm750_hw.c
parentstaging: sm750fb: change definition of DE_WINDOW_WIDTH fields (diff)
downloadlinux-dev-d6a4cba73c63bb027275ec4d318ed52fb123cbfd.tar.xz
linux-dev-d6a4cba73c63bb027275ec4d318ed52fb123cbfd.zip
staging: sm750fb: change definition of CRT_FB_WIDTH fields
Use stratight-forward definition of CRT_FB_WIDTH 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>
Diffstat (limited to 'drivers/staging/sm750fb/sm750_hw.c')
-rw-r--r--drivers/staging/sm750fb/sm750_hw.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c
index 807d9928f815..751fa3b6a55b 100644
--- a/drivers/staging/sm750fb/sm750_hw.c
+++ b/drivers/staging/sm750fb/sm750_hw.c
@@ -342,11 +342,10 @@ int hw_sm750_crtc_setMode(struct lynxfb_crtc *crtc,
POKE32(CRT_FB_ADDRESS, crtc->oScreen);
reg = var->xres * (var->bits_per_pixel >> 3);
/* crtc->channel is not equal to par->index on numeric,be aware of that */
- reg = ALIGN(reg, crtc->line_pad);
-
- POKE32(CRT_FB_WIDTH,
- FIELD_VALUE(0, CRT_FB_WIDTH, WIDTH, reg)|
- FIELD_VALUE(0, CRT_FB_WIDTH, OFFSET, fix->line_length));
+ reg = ALIGN(reg, crtc->line_pad) << CRT_FB_WIDTH_WIDTH_SHIFT;
+ reg &= CRT_FB_WIDTH_WIDTH_MASK;
+ reg |= (fix->line_length & CRT_FB_WIDTH_OFFSET_MASK);
+ POKE32(CRT_FB_WIDTH, reg);
/* SET PIXEL FORMAT */
reg = PEEK32(CRT_DISPLAY_CTRL);