diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-11-17 10:16:43 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-11-17 10:17:47 +0100 |
| commit | a7b63425a41cd6a8d50f76fef0660c5110f97e91 (patch) | |
| tree | be17ee121f1c8814d8d39c9f3e0205d9397fab54 /drivers/video/atmel_lcdfb.c | |
| parent | 35039eb6b199749943547c8572be6604edf00229 (diff) | |
| parent | 3726cc75e581c157202da93bb2333cce25c15c98 (diff) | |
| download | linux-a7b63425a41cd6a8d50f76fef0660c5110f97e91.tar.bz2 | |
Merge branch 'perf/core' into perf/probes
Resolved merge conflict in tools/perf/Makefile
Merge reason: we want to queue up a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
| -rw-r--r-- | drivers/video/atmel_lcdfb.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 2830ffd72976..d5e801076d33 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -484,6 +484,7 @@ static int atmel_lcdfb_set_par(struct fb_info *info) unsigned long value; unsigned long clk_value_khz; unsigned long bits_per_line; + unsigned long pix_factor = 2; might_sleep(); @@ -516,20 +517,24 @@ static int atmel_lcdfb_set_par(struct fb_info *info) /* Now, the LCDC core... */ /* Set pixel clock */ + if (cpu_is_at91sam9g45() && !cpu_is_at91sam9g45es()) + pix_factor = 1; + clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000; value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock)); - if (value < 2) { + if (value < pix_factor) { dev_notice(info->device, "Bypassing pixel clock divider\n"); lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS); } else { - value = (value / 2) - 1; + value = (value / pix_factor) - 1; dev_dbg(info->device, " * programming CLKVAL = 0x%08lx\n", value); lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET); - info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1))); + info->var.pixclock = + KHZ2PICOS(clk_value_khz / (pix_factor * (value + 1))); dev_dbg(info->device, " updated pixclk: %lu KHz\n", PICOS2KHZ(info->var.pixclock)); } |