Messages in this thread Patch in this message | | | From | Jernej Skrabec <> | Subject | [PATCH v2 20/29] drm/sun4i: Add support for H6 DW HDMI controller | Date | Sun, 7 Oct 2018 11:38:56 +0200 |
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H6 has DW HDMI 2.0b controller v2.12a.
It supports 4K at 60 Hz and HDCP 2.2.
Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> --- drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index e9e93f174b35..0306a51e1b35 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -43,6 +43,17 @@ sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector, return MODE_OK; } +static enum drm_mode_status +sun8i_dw_hdmi_mode_valid_h6(struct drm_connector *connector, + const struct drm_display_mode *mode) +{ + /* This is max for HDMI 2.0b (4K@60Hz) */ + if (mode->clock > 594000) + return MODE_CLOCK_HIGH; + + return MODE_OK; +} + static bool sun8i_dw_hdmi_node_is_tcon_top(struct device_node *node) { return IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) && @@ -240,11 +251,19 @@ static const struct sun8i_dw_hdmi_quirks sun8i_a83t_quirks = { .set_rate = true, }; +static const struct sun8i_dw_hdmi_quirks sun50i_h6_quirks = { + .mode_valid = sun8i_dw_hdmi_mode_valid_h6, +}; + static const struct of_device_id sun8i_dw_hdmi_dt_ids[] = { { .compatible = "allwinner,sun8i-a83t-dw-hdmi", .data = &sun8i_a83t_quirks, }, + { + .compatible = "allwinner,sun50i-h6-dw-hdmi", + .data = &sun50i_h6_quirks, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, sun8i_dw_hdmi_dt_ids); -- 2.19.0
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