diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2018-03-21 17:29:05 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2018-03-28 18:34:12 +0200 |
| commit | d29859e6cf92a866470da451c4d815556ce99188 (patch) | |
| tree | 0382f216cf409ae9a9b5649a040d9c3bbbff5d49 /drivers/video | |
| parent | 722035cfcd7e238000eafa5803e26072433371c8 (diff) | |
apalis-tk1:lvds: add option to select 24-bit lvds mode
Add ability to switch between 24.1 and 24.0 lvds modes.
Mode description can be found in "Using 24-bpp LVDS Panels with
Intel® Mobile Chipsets for Embedded Applications".
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/tegra/dc/of_dc.c | 6 | ||||
| -rw-r--r-- | drivers/video/tegra/dc/sor.c | 5 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/video/tegra/dc/of_dc.c b/drivers/video/tegra/dc/of_dc.c index 0f047f6388bc..ee1dc1f81f87 100644 --- a/drivers/video/tegra/dc/of_dc.c +++ b/drivers/video/tegra/dc/of_dc.c @@ -465,6 +465,12 @@ static int parse_disp_default_out(struct platform_device *ndev, } } + if (!of_property_read_u32(np, "nvidia,out-lvds-mode", &temp)) { + default_out->lvds_mode = temp; + OF_DC_LOG("lvds mode %s\n", + default_out->lvds_mode); + } else + default_out->lvds_mode = TEGRA_DC_LVDS_24_1; /* * construct fb */ diff --git a/drivers/video/tegra/dc/sor.c b/drivers/video/tegra/dc/sor.c index 65708cffd82f..1326155cd183 100644 --- a/drivers/video/tegra/dc/sor.c +++ b/drivers/video/tegra/dc/sor.c @@ -1282,7 +1282,10 @@ void tegra_dc_sor_enable_lvds(struct tegra_dc_sor_data *sor, if (!conforming && (sor->dc->pdata->default_out->depth == 24)) { tegra_sor_write_field(sor, NV_SOR_LVDS, NV_SOR_LVDS_ROTDAT_DEFAULT_MASK, - 6 << NV_SOR_LVDS_ROTDAT_SHIFT); + sor->dc->pdata->default_out->lvds_mode == + TEGRA_DC_LVDS_24_1 ? + 6 << NV_SOR_LVDS_ROTDAT_SHIFT: + 0 << NV_SOR_LVDS_ROTDAT_SHIFT); tegra_sor_writel(sor, NV_SOR_LANE4_DRIVE_CURRENT(sor->portnum), 0x40); } |