[PATCH v2 20/29] drm/sun4i: Add support for H6 DW HDMI controller
From: Jernej Skrabec <hidden>
Date: 2018-10-07 09:40:12
Also in:
dri-devel, linux-clk, linux-devicetree, lkml
Subsystem:
drm driver for allwinner de2 and de3 engine, drm drivers, drm drivers and misc gpu patches, drm drivers for allwinner a10, the rest · Maintainers:
Chen-Yu Tsai, David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Linus Torvalds
H6 has DW HDMI 2.0b controller v2.12a. It supports 4K at 60 Hz and HDCP 2.2. Reviewed-by: Chen-Yu Tsai <redacted> Signed-off-by: Jernej Skrabec <redacted> --- 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 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) &&
@@ -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