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rk27xx: Slightly refactor lcd_set_gram_area()

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Change-Id: I1040164220dd87b19b58be560eb5b628857bc284
This commit is contained in:
Marcin Bukat 2013-05-11 12:30:04 +02:00
parent 3f4824b94f
commit ca8154741f
5 changed files with 46 additions and 39 deletions
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17
firmware/target/arm/rk27xx/rk27generic/lcd-rk27generic.c
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@ -161,18 +161,19 @@ void lcd_display_init(void)
lcd_sleep(false);
}
void lcd_set_gram_area(int x, int y, int width, int height)
void lcd_set_gram_area(int x_start, int y_start,
int x_end, int y_end)
{
lcdctrl_bypass(1);
LCDC_CTRL |= RGB24B;
/* addresses setup */
lcd_write_reg(WINDOW_H_START, y);
lcd_write_reg(WINDOW_H_END, height-1);
lcd_write_reg(WINDOW_V_START, x);
lcd_write_reg(WINDOW_V_END, width-1);
lcd_write_reg(GRAM_H_ADDR, y);
lcd_write_reg(GRAM_V_ADDR, x);
lcd_write_reg(WINDOW_H_START, y_start);
lcd_write_reg(WINDOW_H_END, y_end);
lcd_write_reg(WINDOW_V_START, x_start);
lcd_write_reg(WINDOW_V_END, x_end);
lcd_write_reg(GRAM_H_ADDR, y_start);
lcd_write_reg(GRAM_V_ADDR, x_start);
lcd_cmd(GRAM_WRITE);
LCDC_CTRL &= ~RGB24B;
@ -183,7 +184,7 @@ void lcd_update_rect(int x, int y, int width, int height)
int px = x, py = y;
int pxmax = x + width, pymax = y + height;
lcd_set_gram_area(x, y, pxmax, pymax);
lcd_set_gram_area(x, y, pxmax-1, pymax-1);
for (py=y; py<pymax; py++)
{