diff options
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index ed2983770e9c..dc47720c99ba 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -5,6 +5,7 @@ #include <linux/component.h> #include <linux/module.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <drm/drm_of.h> @@ -20,7 +21,8 @@ static void sun8i_dw_hdmi_encoder_mode_set(struct drm_encoder *encoder, { struct sun8i_dw_hdmi *hdmi = encoder_to_sun8i_dw_hdmi(encoder); - clk_set_rate(hdmi->clk_tmds, mode->crtc_clock * 1000); + if (hdmi->quirks->set_rate) + clk_set_rate(hdmi->clk_tmds, mode->crtc_clock * 1000); } static const struct drm_encoder_helper_funcs @@ -33,8 +35,8 @@ static const struct drm_encoder_funcs sun8i_dw_hdmi_encoder_funcs = { }; static enum drm_mode_status -sun8i_dw_hdmi_mode_valid(struct drm_connector *connector, - const struct drm_display_mode *mode) +sun8i_dw_hdmi_mode_valid_a83t(struct drm_connector *connector, + const struct drm_display_mode *mode) { if (mode->clock > 297000) return MODE_CLOCK_HIGH; @@ -42,6 +44,17 @@ sun8i_dw_hdmi_mode_valid(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) && @@ -102,6 +115,8 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, hdmi->dev = &pdev->dev; encoder = &hdmi->encoder; + hdmi->quirks = of_device_get_match_data(dev); + encoder->possible_crtcs = sun8i_dw_hdmi_find_possible_crtcs(drm, dev->of_node); /* @@ -168,10 +183,8 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, sun8i_hdmi_phy_init(hdmi->phy); - plat_data->mode_valid = &sun8i_dw_hdmi_mode_valid; - plat_data->phy_ops = sun8i_hdmi_phy_get_ops(); - plat_data->phy_name = "sun8i_dw_hdmi_phy"; - plat_data->phy_data = hdmi->phy; + plat_data->mode_valid = hdmi->quirks->mode_valid; + sun8i_hdmi_phy_set_ops(hdmi->phy, plat_data); platform_set_drvdata(pdev, hdmi); @@ -230,8 +243,24 @@ static int sun8i_dw_hdmi_remove(struct platform_device *pdev) return 0; } +static const struct sun8i_dw_hdmi_quirks sun8i_a83t_quirks = { + .mode_valid = sun8i_dw_hdmi_mode_valid_a83t, + .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" }, + { + .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); |