New variables are added to make the code more readable.
Signed-off-by: Arushi Singhal <arushisinghal19971...@gmail.com>
---
changes in v5
-try to make the code much more readable.
- defined the variable at the top of a block.
- change the variable from temp to tmp.
drivers/staging/sm750fb/ddk750_mode.c | 55 +++++++++++++++++++----------------
1 file 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)
--
2.11.0
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
