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authorDavid S. Miller <davem@davemloft.net>2009-11-19 07:19:03 +0100
committerDavid S. Miller <davem@davemloft.net>2009-11-19 07:19:03 +0100
commit3505d1a9fd65e2d3e00827857b6795d9d8983658 (patch)
tree941cfafdb57c427bb6b7ebf6354ee93b2a3693b5 /drivers/video/atmel_lcdfb.c
parentMerge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil... (diff)
parentMerge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/c... (diff)
downloadlinux-3505d1a9fd65e2d3e00827857b6795d9d8983658.tar.xz
linux-3505d1a9fd65e2d3e00827857b6795d9d8983658.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
Diffstat (limited to 'drivers/video/atmel_lcdfb.c')
-rw-r--r--drivers/video/atmel_lcdfb.c11
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));
}