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drm/sun4i: Add support for H6 DW HDMI controller
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> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181104182705.18047-20-jernej.skrabec@siol.net
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1 changed files with 19 additions and 0 deletions
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@ -44,6 +44,17 @@ sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector,
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return MODE_OK;
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}
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static enum drm_mode_status
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sun8i_dw_hdmi_mode_valid_h6(struct drm_connector *connector,
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const struct drm_display_mode *mode)
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{
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/* This is max for HDMI 2.0b (4K@60Hz) */
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if (mode->clock > 594000)
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return MODE_CLOCK_HIGH;
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return MODE_OK;
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}
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static bool sun8i_dw_hdmi_node_is_tcon_top(struct device_node *node)
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{
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return IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) &&
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@ -239,11 +250,19 @@ static const struct sun8i_dw_hdmi_quirks sun8i_a83t_quirks = {
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.set_rate = true,
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};
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static const struct sun8i_dw_hdmi_quirks sun50i_h6_quirks = {
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.mode_valid = sun8i_dw_hdmi_mode_valid_h6,
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};
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static const struct of_device_id sun8i_dw_hdmi_dt_ids[] = {
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{
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.compatible = "allwinner,sun8i-a83t-dw-hdmi",
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.data = &sun8i_a83t_quirks,
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},
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{
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.compatible = "allwinner,sun50i-h6-dw-hdmi",
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.data = &sun50i_h6_quirks,
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},
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{ /* sentinel */ },
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};
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MODULE_DEVICE_TABLE(of, sun8i_dw_hdmi_dt_ids);
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