Merge v5.6-rc2 into drm-misc-next

Lyude needs some patches in 5.6-rc2 and we didn't bring drm-misc-next
forward yet, so it looks like a good occasion.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

drivers/gpu/drm/sun4i/sun4i_drv.c

@@ -85,7 +85,6 @@ static int sun4i_drv_bind(struct device *dev)
 	}
 
 	drm_mode_config_init(drm);
-	drm->mode_config.allow_fb_modifiers = true;
 
 	ret = component_bind_all(drm->dev, drm);
 	if (ret) {

drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c

@@ -685,8 +685,6 @@ static void sun4i_hdmi_unbind(struct device *dev, struct device *master,
 	struct sun4i_hdmi *hdmi = dev_get_drvdata(dev);
 
 	cec_unregister_adapter(hdmi->cec_adap);
-	drm_connector_cleanup(&hdmi->connector);
-	drm_encoder_cleanup(&hdmi->encoder);
 	i2c_del_adapter(hdmi->i2c);
 	i2c_put_adapter(hdmi->ddc_i2c);
 	clk_disable_unprepare(hdmi->mod_clk);

drivers/gpu/drm/sun4i/sun4i_tcon.c

@@ -489,7 +489,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
 
 	WARN_ON(!tcon->quirks->has_channel_0);
 
-	tcon->dclk_min_div = 1;
+	tcon->dclk_min_div = tcon->quirks->dclk_min_div;
 	tcon->dclk_max_div = 127;
 	sun4i_tcon0_mode_set_common(tcon, mode);
 
@@ -1426,12 +1426,14 @@ static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon,
 static const struct sun4i_tcon_quirks sun4i_a10_quirks = {
 	.has_channel_0		= true,
 	.has_channel_1		= true,
+	.dclk_min_div		= 4,
 	.set_mux		= sun4i_a10_tcon_set_mux,
 };
 
 static const struct sun4i_tcon_quirks sun5i_a13_quirks = {
 	.has_channel_0		= true,
 	.has_channel_1		= true,
+	.dclk_min_div		= 4,
 	.set_mux		= sun5i_a13_tcon_set_mux,
 };
 
@@ -1440,6 +1442,7 @@ static const struct sun4i_tcon_quirks sun6i_a31_quirks = {
 	.has_channel_1		= true,
 	.has_lvds_alt		= true,
 	.needs_de_be_mux	= true,
+	.dclk_min_div		= 1,
 	.set_mux		= sun6i_tcon_set_mux,
 };
 
@@ -1447,11 +1450,13 @@ static const struct sun4i_tcon_quirks sun6i_a31s_quirks = {
 	.has_channel_0		= true,
 	.has_channel_1		= true,
 	.needs_de_be_mux	= true,
+	.dclk_min_div		= 1,
 };
 
 static const struct sun4i_tcon_quirks sun7i_a20_quirks = {
 	.has_channel_0		= true,
 	.has_channel_1		= true,
+	.dclk_min_div		= 4,
 	/* Same display pipeline structure as A10 */
 	.set_mux		= sun4i_a10_tcon_set_mux,
 };
@@ -1459,11 +1464,13 @@ static const struct sun4i_tcon_quirks sun7i_a20_quirks = {
 static const struct sun4i_tcon_quirks sun8i_a33_quirks = {
 	.has_channel_0		= true,
 	.has_lvds_alt		= true,
+	.dclk_min_div		= 1,
 };
 
 static const struct sun4i_tcon_quirks sun8i_a83t_lcd_quirks = {
 	.supports_lvds		= true,
 	.has_channel_0		= true,
+	.dclk_min_div		= 1,
 };
 
 static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = {
@@ -1477,11 +1484,13 @@ static const struct sun4i_tcon_quirks sun8i_r40_tv_quirks = {
 
 static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {
 	.has_channel_0		= true,
+	.dclk_min_div		= 1,
 };
 
 static const struct sun4i_tcon_quirks sun9i_a80_tcon_lcd_quirks = {
-	.has_channel_0	= true,
-	.needs_edp_reset = true,
+	.has_channel_0		= true,
+	.needs_edp_reset	= true,
+	.dclk_min_div		= 1,
 };
 
 static const struct sun4i_tcon_quirks sun9i_a80_tcon_tv_quirks = {

drivers/gpu/drm/sun4i/sun4i_tcon.h

@@ -224,6 +224,7 @@ struct sun4i_tcon_quirks {
 	bool	needs_de_be_mux; /* sun6i needs mux to select backend */
 	bool    needs_edp_reset; /* a80 edp reset needed for tcon0 access */
 	bool	supports_lvds;   /* Does the TCON support an LVDS output? */
+	u8	dclk_min_div;	/* minimum divider for TCON0 DCLK */
 
 	/* callback to handle tcon muxing options */
 	int	(*set_mux)(struct sun4i_tcon *, const struct drm_encoder *);