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| author | Thierry Reding <treding@nvidia.com> | 2014-04-16 10:47:36 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2014-06-05 23:09:25 +0200 |
| commit | 9cbfc73e1141460243c5b169a36fa41b1582bbbd (patch) | |
| tree | dc289615fb7ce667094d203bde15b1c0196a8ed4 | |
| parent | 8c8282c04d6aef91db1729cd5a2ab314598d23ed (diff) | |
| download | linux-next-9cbfc73e1141460243c5b169a36fa41b1582bbbd.tar.gz | |
drm/tegra: hdmi - Disable LVDS mode
Disable LVDS mode according to register documentation. It seems like
this has no effect on the operation of HDMI, but it's probably a good
idea to do this anyway.
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | drivers/gpu/drm/tegra/hdmi.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/tegra/hdmi.h | 5 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index 4116b08acabb..9cba9bf14079 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -846,9 +846,13 @@ static int tegra_output_hdmi_enable(struct tegra_output *output) tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(0)); tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(8)); - value = 0x1c800; + value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_CSTM); value &= ~SOR_CSTM_ROTCLK(~0); value |= SOR_CSTM_ROTCLK(2); + value |= SOR_CSTM_PLLDIV; + value &= ~SOR_CSTM_LVDS_ENABLE; + value &= ~SOR_CSTM_MODE_MASK; + value |= SOR_CSTM_MODE_TMDS; tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_CSTM); /* start SOR */ diff --git a/drivers/gpu/drm/tegra/hdmi.h b/drivers/gpu/drm/tegra/hdmi.h index 0aebc485f7fa..919a19df4e1b 100644 --- a/drivers/gpu/drm/tegra/hdmi.h +++ b/drivers/gpu/drm/tegra/hdmi.h @@ -190,6 +190,11 @@ #define HDMI_NV_PDISP_SOR_CSTM 0x5a #define SOR_CSTM_ROTCLK(x) (((x) & 0xf) << 24) +#define SOR_CSTM_PLLDIV (1 << 21) +#define SOR_CSTM_LVDS_ENABLE (1 << 16) +#define SOR_CSTM_MODE_LVDS (0 << 12) +#define SOR_CSTM_MODE_TMDS (1 << 12) +#define SOR_CSTM_MODE_MASK (3 << 12) #define HDMI_NV_PDISP_SOR_LVDS 0x5b #define HDMI_NV_PDISP_SOR_CRCA 0x5c |