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Unverified Commit 40bb9d31 authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Maxime Ripard
Browse files

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: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181104182705.18047-20-jernej.skrabec@siol.net
parent 9d0fdd48

drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c

+19 −0
Original line number Diff line number Diff line
@@ -44,6 +44,17 @@ 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) &&
@@ -239,11 +250,19 @@ 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);