diff options
| author | Xin Xie <xxie@nvidia.com> | 2011-06-03 20:47:14 -0700 |
|---|---|---|
| committer | Niket Sirsi <nsirsi@nvidia.com> | 2011-06-24 21:30:03 -0700 |
| commit | 08bb9eed94479a37999be169c434d561d0074c49 (patch) | |
| tree | a0b678a3146c1084049134fe0490cff1273998c0 /arch | |
| parent | 683092ca422d64cb7d72d70763d1100812abfd58 (diff) | |
tegra: dc: set EMC clock dynamically
If the screen is idle (no POST for some time), reduce the DC EMC clock
according the windows size. If external display connected, the EMC clock
will not be reduced.
BUG 828306
Change-Id: I6fb62ce6baf3380737c76b71f16e38ad6465a667
Reviewed-on: http://git-master/r/37106
Reviewed-by: Niket Sirsi <nsirsi@nvidia.com>
Tested-by: Niket Sirsi <nsirsi@nvidia.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/include/mach/dc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/dc.h b/arch/arm/mach-tegra/include/mach/dc.h index 05ab8953366c..ebd8259e5bc6 100644 --- a/arch/arm/mach-tegra/include/mach/dc.h +++ b/arch/arm/mach-tegra/include/mach/dc.h @@ -432,6 +432,9 @@ u32 tegra_dc_get_syncpt_id(const struct tegra_dc *dc); u32 tegra_dc_incr_syncpt_max(struct tegra_dc *dc); void tegra_dc_incr_syncpt_min(struct tegra_dc *dc, u32 val); +int tegra_dc_set_default_emc(struct tegra_dc *dc); +int tegra_dc_set_dynamic_emc(struct tegra_dc_win *windows[], int n); + /* tegra_dc_update_windows and tegra_dc_sync_windows do not support windows * with differenct dcs in one call */ |