diff options
| author | Alex Frid <afrid@nvidia.com> | 2010-12-16 17:05:42 -0800 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:44:56 -0800 |
| commit | a9fde4bbe27d66a8b0639363de2bbf1f04d27939 (patch) | |
| tree | e8d2bb71c5022bb1bf46993a88edb398fdbdf695 /drivers/video/tegra/dc/dc.c | |
| parent | 5a060c3e2643d280c00f6e3190a99e523dae80d2 (diff) | |
ARM: tegra: dc: Set fixed dc rate on FPGA.
Original-Change-Id: I4c21dcfbcb59aef14656e91badaf9760b5aed498
Reviewed-on: http://git-master/r/13550
Reviewed-by: Jonathan Mayo <jmayo@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Tested-by: Scott Williams <scwilliams@nvidia.com>
Original-Change-Id: Id6eee40265de4e21f269ab12d320152b1a40f8d7
Rebase-Id: R81f450360f01be1eb6dd282fa7b7168eafec09fc
Diffstat (limited to 'drivers/video/tegra/dc/dc.c')
| -rw-r--r-- | drivers/video/tegra/dc/dc.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c index 1e85390bb2e8..01196c6ef04f 100644 --- a/drivers/video/tegra/dc/dc.c +++ b/drivers/video/tegra/dc/dc.c @@ -705,12 +705,21 @@ int tegra_dc_sync_windows(struct tegra_dc_win *windows[], int n) } EXPORT_SYMBOL(tegra_dc_sync_windows); +static unsigned long tegra_dc_clk_get_rate(struct tegra_dc *dc) +{ +#ifdef CONFIG_TEGRA_FPGA_PLATFORM + return 27000000; +#else + return clk_get_rate(dc->clk); +#endif +} + static unsigned long tegra_dc_pclk_round_rate(struct tegra_dc *dc, int pclk) { unsigned long rate; unsigned long div; - rate = clk_get_rate(dc->clk); + rate = tegra_dc_clk_get_rate(dc); div = DIV_ROUND_CLOSEST(rate * 2, pclk); @@ -812,11 +821,7 @@ static int tegra_dc_program_mode(struct tegra_dc *dc, struct tegra_dc_mode *mode tegra_dc_writel(dc, val, DC_DISP_DISP_INTERFACE_CONTROL); -#ifdef CONFIG_TEGRA_FPGA_PLATFORM - rate = 27000000; -#else - rate = clk_get_rate(dc->clk); -#endif + rate = tegra_dc_clk_get_rate(dc); pclk = tegra_dc_pclk_round_rate(dc, mode->pclk); if (pclk < (mode->pclk / 100 * 99) || |