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authorJernej Skrabec <jernej.skrabec@siol.net>2018-11-04 21:26:56 +0300
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-11-05 13:49:04 +0300
commit40bb9d3147b2de4c6380f25e6a75e54013beeef4 (patch)
treeb589b46bb0d4aa3eb3bad9e8b59f79e7f4257660 /drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c
parent9d0fdd4843329ceee9a4fe0852becf7260c98095 (diff)
downloadlinux-40bb9d3147b2de4c6380f25e6a75e54013beeef4.tar.xz
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.c19
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);