diff options
| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2018-11-04 19:26:56 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-11-05 11:49:04 +0100 |
| commit | 40bb9d3147b2de4c6380f25e6a75e54013beeef4 (patch) | |
| tree | b589b46bb0d4aa3eb3bad9e8b59f79e7f4257660 /drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | |
| parent | 9d0fdd4843329ceee9a4fe0852becf7260c98095 (diff) | |
| download | lwn-40bb9d3147b2de4c6380f25e6a75e54013beeef4.tar.gz lwn-40bb9d3147b2de4c6380f25e6a75e54013beeef4.zip | |
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
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 19 |
1 files changed, 19 insertions, 0 deletions
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@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); |