diff options
| author | Erik Gilling <konkers@android.com> | 2011-02-02 15:28:32 -0800 |
|---|---|---|
| committer | Erik Gilling <konkers@android.com> | 2011-02-02 18:36:55 -0800 |
| commit | 29c4c67185ebab213ce0b54a9292250e0f45a180 (patch) | |
| tree | 23dfe32ced25968b3e82477e890110fe21a589cf /drivers/video | |
| parent | 29cf32156dbdbb36d89edffbbe1bbda44760f7ac (diff) | |
video: tegra: set h/v sync polarity for HDMI
Change-Id: I4be0eb963c3779b9313ef94476b1589059d4aa3c
Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/tegra/dc/hdmi.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/drivers/video/tegra/dc/hdmi.c b/drivers/video/tegra/dc/hdmi.c index b3eb86220ab4..b214f2c41db3 100644 --- a/drivers/video/tegra/dc/hdmi.c +++ b/drivers/video/tegra/dc/hdmi.c @@ -1052,16 +1052,23 @@ static void tegra_dc_hdmi_enable(struct tegra_dc *dc) val = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PWR); } while (val & SOR_PWR_SETTING_NEW_PENDING); - tegra_hdmi_writel(hdmi, - SOR_STATE_ASY_CRCMODE_COMPLETE | - SOR_STATE_ASY_OWNER_HEAD0 | - SOR_STATE_ASY_SUBOWNER_BOTH | - SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A | - /* TODO: to look at hsync polarity */ - SOR_STATE_ASY_HSYNCPOL_POS | - SOR_STATE_ASY_VSYNCPOL_POS | - SOR_STATE_ASY_DEPOL_POS, - HDMI_NV_PDISP_SOR_STATE2); + val = SOR_STATE_ASY_CRCMODE_COMPLETE | + SOR_STATE_ASY_OWNER_HEAD0 | + SOR_STATE_ASY_SUBOWNER_BOTH | + SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A | + SOR_STATE_ASY_DEPOL_POS; + + if (dc->mode.flags & TEGRA_DC_MODE_FLAG_NEG_H_SYNC) + val |= SOR_STATE_ASY_HSYNCPOL_NEG; + else + val |= SOR_STATE_ASY_HSYNCPOL_POS; + + if (dc->mode.flags & TEGRA_DC_MODE_FLAG_NEG_V_SYNC) + val |= SOR_STATE_ASY_VSYNCPOL_NEG; + else + val |= SOR_STATE_ASY_VSYNCPOL_POS; + + tegra_hdmi_writel(hdmi, val, HDMI_NV_PDISP_SOR_STATE2); val = SOR_STATE_ASY_HEAD_OPMODE_AWAKE | SOR_STATE_ASY_ORMODE_NORMAL; tegra_hdmi_writel(hdmi, val, HDMI_NV_PDISP_SOR_STATE1); |