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sunxi: video: Use sunxi_lcdc_get_clk_delay to calculate tcon1 delay 

Use sunxi_lcdc_get_clk_delay to calculate tcon1 delay instead of hardcoding
it to 30. We will still end up using 30 for most modes, but for e.g. 800x600
this makes a (small) difference.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
This commit is contained in:
Hans de Goede 2014-12-24 19:50:11 +01:00
parent b98d048030
commit 6741cc78bb
1 changed files with 3 additions and 3 deletions
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6
drivers/video/sunxi_display.c
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@ -576,15 +576,15 @@ static void sunxi_lcdc_tcon1_mode_set(const struct ctfb_res_modes *mode,
{
struct sunxi_lcdc_reg * const lcdc =
(struct sunxi_lcdc_reg *)SUNXI_LCD0_BASE;
int bp, total;
int bp, clk_delay, total;
/* Use tcon1 */
clrsetbits_le32(&lcdc->ctrl, SUNXI_LCDC_CTRL_IO_MAP_MASK,
SUNXI_LCDC_CTRL_IO_MAP_TCON1);
/* Enabled, 0x1e start delay */
clk_delay = sunxi_lcdc_get_clk_delay(mode);
writel(SUNXI_LCDC_TCON1_CTRL_ENABLE |
SUNXI_LCDC_TCON1_CTRL_CLK_DELAY(0x1e), &lcdc->tcon1_ctrl);
SUNXI_LCDC_TCON1_CTRL_CLK_DELAY(clk_delay), &lcdc->tcon1_ctrl);
writel(SUNXI_LCDC_X(mode->xres) | SUNXI_LCDC_Y(mode->yres),
&lcdc->tcon1_timing_source);