diff options
| author | Kevin Huang <kevinh@nvidia.com> | 2011-08-10 16:09:43 -0700 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2011-10-13 12:18:15 -0700 |
| commit | a7d3089a4c2dbf51222c9586b0e708b05efe806b (patch) | |
| tree | 8e0067636b55d8303f16c87aeda3a2e255f00fc4 | |
| parent | 0e5d439da9c0db4ba56b47791c6a79846f21873e (diff) | |
ARM: tegra: enterprise: Increase refresh rate to catch up TE signal.
DSI clock rate is calculated according to the refresh rate 60Hz. However,
the real TE signal can be more or less than 60Hz. Increase refresh rate
to avoid missing TE signal.
Bug 878230
Change-Id: I1dbf275cad2a4bd1692a3a287a4719298413ece9
Reviewed-on: http://git-master/r/46455
Reviewed-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Tested-by: Rohan Somvanshi <rsomvanshi@nvidia.com>
Reviewed-on: http://git-master/r/57354
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
| -rw-r--r-- | arch/arm/mach-tegra/board-enterprise-panel.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-enterprise-panel.c b/arch/arm/mach-tegra/board-enterprise-panel.c index ec522ca65afa..5d51b332494f 100644 --- a/arch/arm/mach-tegra/board-enterprise-panel.c +++ b/arch/arm/mach-tegra/board-enterprise-panel.c @@ -547,7 +547,15 @@ static struct tegra_dsi_cmd dsi_suspend_cmd[] = { struct tegra_dsi_out enterprise_dsi = { .n_data_lanes = 2, .pixel_format = TEGRA_DSI_PIXEL_FORMAT_24BIT_P, +#if(DC_CTRL_MODE & TEGRA_DC_OUT_ONE_SHOT_MODE) + /* For one-shot mode, mismatch between freq of DC and TE signal + * may cause frame drop. We increase refreash rate a little bit + * more than target value to avoid missing TE signal. + */ + .refresh_rate = 66, +#else .refresh_rate = 60, +#endif .virtual_channel = TEGRA_DSI_VIRTUAL_CHANNEL_0, .panel_has_frame_buffer = true, |