diff options
| author | Arushi Singhal <arushisinghal19971997@gmail.com> | 2017-03-20 19:36:56 +0530 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-03-21 08:45:30 +0100 |
| commit | 7369e062fde2fe64502011c85b11176eb3c5ea06 (patch) | |
| tree | 06277c14b09bb0a5a08b869d0a0b75267c7c06b0 /drivers/staging/sm750fb | |
| parent | 50d94eac3ef4e5c26f3f68c9c10e9363c9a4b962 (diff) | |
staging:sm750fb: Code readability is improved.
New variables are added to make the code more readable.
Signed-off-by: Arushi Singhal <arushisinghal19971997@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/sm750fb')
| -rw-r--r-- | drivers/staging/sm750fb/ddk750_mode.c | 55 |
1 files changed, 30 insertions, 25 deletions
diff --git a/drivers/staging/sm750fb/ddk750_mode.c b/drivers/staging/sm750fb/ddk750_mode.c index eea5aef2956f..37b5d4850fb9 100644 --- a/drivers/staging/sm750fb/ddk750_mode.c +++ b/drivers/staging/sm750fb/ddk750_mode.c @@ -81,33 +81,38 @@ static int programModeRegisters(mode_parameter_t *pModeParam, struct pll_value * if (pll->clockType == SECONDARY_PLL) { /* programe secondary pixel clock */ poke32(CRT_PLL_CTRL, sm750_format_pll_reg(pll)); - poke32(CRT_HORIZONTAL_TOTAL, - (((pModeParam->horizontal_total - 1) << - CRT_HORIZONTAL_TOTAL_TOTAL_SHIFT) & - CRT_HORIZONTAL_TOTAL_TOTAL_MASK) | - ((pModeParam->horizontal_display_end - 1) & - CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK)); - - poke32(CRT_HORIZONTAL_SYNC, - ((pModeParam->horizontal_sync_width << - CRT_HORIZONTAL_SYNC_WIDTH_SHIFT) & - CRT_HORIZONTAL_SYNC_WIDTH_MASK) | - ((pModeParam->horizontal_sync_start - 1) & - CRT_HORIZONTAL_SYNC_START_MASK)); - poke32(CRT_VERTICAL_TOTAL, - (((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)); + tmp = ((pModeParam->horizontal_total - 1) << + CRT_HORIZONTAL_TOTAL_TOTAL_SHIFT) & + CRT_HORIZONTAL_TOTAL_TOTAL_MASK; + tmp |= (pModeParam->horizontal_display_end - 1) & + CRT_HORIZONTAL_TOTAL_DISPLAY_END_MASK; - poke32(CRT_VERTICAL_SYNC, - ((pModeParam->vertical_sync_height << - CRT_VERTICAL_SYNC_HEIGHT_SHIFT) & - CRT_VERTICAL_SYNC_HEIGHT_MASK) | - ((pModeParam->vertical_sync_start - 1) & - CRT_VERTICAL_SYNC_START_MASK)); + poke32(CRT_HORIZONTAL_TOTAL, tmp); + + tmp = (pModeParam->horizontal_sync_width << + CRT_HORIZONTAL_SYNC_WIDTH_SHIFT) & + CRT_HORIZONTAL_SYNC_WIDTH_MASK; + tmp |= (pModeParam->horizontal_sync_start - 1) & + CRT_HORIZONTAL_SYNC_START_MASK; + + poke32(CRT_HORIZONTAL_SYNC, tmp); + + tmp = ((pModeParam->vertical_total - 1) << + CRT_VERTICAL_TOTAL_TOTAL_SHIFT) & + CRT_VERTICAL_TOTAL_TOTAL_MASK; + tmp |= (pModeParam->vertical_display_end - 1) & + CRT_VERTICAL_TOTAL_DISPLAY_END_MASK; + + poke32(CRT_VERTICAL_TOTAL, tmp); + + tmp = ((pModeParam->vertical_sync_height << + CRT_VERTICAL_SYNC_HEIGHT_SHIFT)) & + CRT_VERTICAL_SYNC_HEIGHT_MASK; + tmp |= (pModeParam->vertical_sync_start - 1) & + CRT_VERTICAL_SYNC_START_MASK; + + poke32(CRT_VERTICAL_SYNC, tmp); tmp = DISPLAY_CTRL_TIMING | DISPLAY_CTRL_PLANE; if (pModeParam->vertical_sync_polarity) |