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| author | Mike Rapoport <mike.rapoport@gmail.com> | 2016-02-10 18:34:08 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-11 19:52:37 -0800 |
| commit | 6fba39cf32a3adc84de531bb8463d208f6d6f2bf (patch) | |
| tree | c6d2e5db8441baa1d4557d0efc1b21d34c0b74b8 /drivers/staging/sm750fb/sm750_hw.c | |
| parent | 5b621779c2365216dcbf6f9166c2e791e304767a (diff) | |
| download | talos-obmc-linux-6fba39cf32a3adc84de531bb8463d208f6d6f2bf.tar.gz talos-obmc-linux-6fba39cf32a3adc84de531bb8463d208f6d6f2bf.zip | |
staging: sm750fb: use BIT macro for PANEL_DISPLAY_CTRL single-bit fields
Replace complex definition of PANEL_DISPLAY_CTRL register fields with BIT()
macro 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>
Diffstat (limited to 'drivers/staging/sm750fb/sm750_hw.c')
| -rw-r--r-- | drivers/staging/sm750fb/sm750_hw.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index 52fd250d7afe..384989184537 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -416,28 +416,24 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank) case FB_BLANK_UNBLANK: pr_debug("flag = FB_BLANK_UNBLANK\n"); dpms = SYSTEM_CTRL_DPMS_VPHP; - pps = PANEL_DISPLAY_CTRL_DATA_ENABLE; + pps = PANEL_DISPLAY_CTRL_DATA; crtdb = CRT_DISPLAY_CTRL_BLANK_OFF; break; case FB_BLANK_NORMAL: pr_debug("flag = FB_BLANK_NORMAL\n"); dpms = SYSTEM_CTRL_DPMS_VPHP; - pps = PANEL_DISPLAY_CTRL_DATA_DISABLE; crtdb = CRT_DISPLAY_CTRL_BLANK_ON; break; case FB_BLANK_VSYNC_SUSPEND: dpms = SYSTEM_CTRL_DPMS_VNHP; - pps = PANEL_DISPLAY_CTRL_DATA_DISABLE; crtdb = CRT_DISPLAY_CTRL_BLANK_ON; break; case FB_BLANK_HSYNC_SUSPEND: dpms = SYSTEM_CTRL_DPMS_VPHN; - pps = PANEL_DISPLAY_CTRL_DATA_DISABLE; crtdb = CRT_DISPLAY_CTRL_BLANK_ON; break; case FB_BLANK_POWERDOWN: dpms = SYSTEM_CTRL_DPMS_VNHN; - pps = PANEL_DISPLAY_CTRL_DATA_DISABLE; crtdb = CRT_DISPLAY_CTRL_BLANK_ON; break; } @@ -449,8 +445,13 @@ int hw_sm750_setBLANK(struct lynxfb_output *output, int blank) POKE32(CRT_DISPLAY_CTRL, FIELD_VALUE(PEEK32(CRT_DISPLAY_CTRL), CRT_DISPLAY_CTRL, BLANK, crtdb)); } - if (output->paths & sm750_panel) - POKE32(PANEL_DISPLAY_CTRL, FIELD_VALUE(PEEK32(PANEL_DISPLAY_CTRL), PANEL_DISPLAY_CTRL, DATA, pps)); + if (output->paths & sm750_panel) { + unsigned int val = PEEK32(PANEL_DISPLAY_CTRL); + + val &= ~PANEL_DISPLAY_CTRL_DATA; + val |= pps; + POKE32(PANEL_DISPLAY_CTRL, val); + } return 0; } |
