From mboxrd@z Thu Jan 1 00:00:00 1970 From: jernej.skrabec@siol.net (Jernej Skrabec) Date: Sun, 4 Nov 2018 19:26:56 +0100 Subject: [PATCH v3 19/28] drm/sun4i: Add support for H6 DW HDMI controller In-Reply-To: <20181104182705.18047-1-jernej.skrabec@siol.net> References: <20181104182705.18047-1-jernej.skrabec@siol.net> Message-ID: <20181104182705.18047-20-jernej.skrabec@siol.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org H6 has DW HDMI 2.0b controller v2.12a. It supports 4K at 60 Hz and HDCP 2.2. Reviewed-by: Chen-Yu Tsai Signed-off-by: Jernej Skrabec --- 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 99b878e380e1..445cca8d9a26 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -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 at 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); -- 2.19.1