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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
This commit is contained in:
Jernej Skrabec 2018-11-04 19:26:56 +01:00 committed by Maxime Ripard
parent 9d0fdd4843
commit 40bb9d3147
No known key found for this signature in database
GPG Key ID: E3EF0D6F671851C5
1 changed files with 19 additions and 0 deletions
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19
drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
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@ -44,6 +44,17 @@ sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector,
return MODE_OK; 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) static bool sun8i_dw_hdmi_node_is_tcon_top(struct device_node *node)
{ {
return IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) && return IS_ENABLED(CONFIG_DRM_SUN8I_TCON_TOP) &&
@ -239,11 +250,19 @@ static const struct sun8i_dw_hdmi_quirks sun8i_a83t_quirks = {
.set_rate = true, .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[] = { static const struct of_device_id sun8i_dw_hdmi_dt_ids[] = {
{ {
.compatible = "allwinner,sun8i-a83t-dw-hdmi", .compatible = "allwinner,sun8i-a83t-dw-hdmi",
.data = &sun8i_a83t_quirks, .data = &sun8i_a83t_quirks,
}, },
{
.compatible = "allwinner,sun50i-h6-dw-hdmi",
.data = &sun50i_h6_quirks,
},
{ /* sentinel */ }, { /* sentinel */ },
}; };
MODULE_DEVICE_TABLE(of, sun8i_dw_hdmi_dt_ids); MODULE_DEVICE_TABLE(of, sun8i_dw_hdmi_dt_ids);