diff options
| author | Kevin Huang <kevinh@nvidia.com> | 2011-07-26 17:49:43 -0700 |
|---|---|---|
| committer | Ryan Wong <ryanw@nvidia.com> | 2011-07-28 17:44:23 -0700 |
| commit | 617434cebb5f6b7b6b6b72dea3df22ae92a897eb (patch) | |
| tree | 97cb2179ffbe8d7e696144ea28643bfdecc7e7a0 /arch/arm/mach-tegra | |
| parent | 0810893fefc4c80e721b88259b9c8db582aa0248 (diff) | |
ARM: tegra: clock: Optimize power consumption of DSI module DO NOT MERGE
- Disable phy clock at early suspend.
- Set DSI to LP mode at early suspend
Bug 847254
Bug 848069
Change-Id: Ia3199b1848075e7adfc3b8c686d93d4d5655aca5
Reviewed-on: http://git-master/r/43800
Reviewed-by: Chih-Lung Huang <lhuang@nvidia.com>
Tested-by: Chih-Lung Huang <lhuang@nvidia.com>
Reviewed-by: Ryan Wong <ryanw@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra')
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-panel.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra3_clocks.c | 11 |
2 files changed, 1 insertions, 12 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-panel.c b/arch/arm/mach-tegra/board-enterprise-panel.c index dd2c1e296993..bdba10c33d0b 100644 --- a/arch/arm/mach-tegra/board-enterprise-panel.c +++ b/arch/arm/mach-tegra/board-enterprise-panel.c @@ -459,7 +459,7 @@ struct tegra_dsi_out enterprise_dsi = { .n_suspend_cmd = ARRAY_SIZE(dsi_suspend_cmd), .dsi_suspend_cmd = dsi_suspend_cmd, .video_data_type = TEGRA_DSI_VIDEO_TYPE_COMMAND_MODE, - .lp_cmd_mode_freq_khz = 430000, + .lp_cmd_mode_freq_khz = 20000, }; static struct tegra_stereo_out enterprise_stereo = { diff --git a/arch/arm/mach-tegra/tegra3_clocks.c b/arch/arm/mach-tegra/tegra3_clocks.c index 00469a555fb9..05cbaa4148de 100644 --- a/arch/arm/mach-tegra/tegra3_clocks.c +++ b/arch/arm/mach-tegra/tegra3_clocks.c @@ -1348,12 +1348,6 @@ static int tegra3_pll_clk_enable(struct clk *c) val |= PLL_BASE_ENABLE; clk_writel(val, c->reg + PLL_BASE); - if (c->flags & PLLD) { - val = clk_readl(c->reg + PLL_MISC(c) + PLL_BASE); - val |= PLLD_MISC_CLKENABLE; - clk_writel(val, c->reg + PLL_MISC(c) + PLL_BASE); - } - if (c->flags & PLLM) { val = pmc_readl(PMC_PLLP_WB0_OVERRIDE_0); val |= PMC_PLLP_WB0_OVERRIDE_0_PLLM_ENABLE; @@ -1374,11 +1368,6 @@ static void tegra3_pll_clk_disable(struct clk *c) val &= ~(PLL_BASE_BYPASS | PLL_BASE_ENABLE); clk_writel(val, c->reg); - if (c->flags & PLLD) { - val = clk_readl(c->reg + PLL_MISC(c) + PLL_BASE); - val &= ~PLLD_MISC_CLKENABLE; - clk_writel(val, c->reg + PLL_MISC(c) + PLL_BASE); - } if (c->flags & PLLM) { val = pmc_readl(PMC_PLLP_WB0_OVERRIDE_0); val &= ~PMC_PLLP_WB0_OVERRIDE_0_PLLM_ENABLE; |