drm/vc4: crtc: Rename HDMI encoder type to HDMI0

The previous generations were only supporting a single HDMI controller, but
that's about to change, so put an index as well to differentiate between
the two controllers.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Tested-by: Chanwoo Choi <cw00.choi@samsung.com>
Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/84e11e4793aaa30d6e5c56e305d22404ac5a932d.1599120059.git-series.maxime@cerno.tech

drivers/gpu/drm/vc4/vc4_crtc.c

@@ -835,7 +835,7 @@ static const struct vc4_pv_data bcm2835_pv2_data = {
 	.fifo_depth = 64,
 	.pixels_per_clock = 1,
 	.encoder_types = {
-		[PV_CONTROL_CLK_SELECT_DPI_SMI_HDMI] = VC4_ENCODER_TYPE_HDMI,
+		[PV_CONTROL_CLK_SELECT_DPI_SMI_HDMI] = VC4_ENCODER_TYPE_HDMI0,
 		[PV_CONTROL_CLK_SELECT_VEC] = VC4_ENCODER_TYPE_VEC,
 	},
 };

drivers/gpu/drm/vc4/vc4_drv.h

@@ -426,7 +426,7 @@ to_vc4_plane_state(struct drm_plane_state *state)
 
 enum vc4_encoder_type {
 	VC4_ENCODER_TYPE_NONE,
-	VC4_ENCODER_TYPE_HDMI,
+	VC4_ENCODER_TYPE_HDMI0,
 	VC4_ENCODER_TYPE_VEC,
 	VC4_ENCODER_TYPE_DSI0,
 	VC4_ENCODER_TYPE_DSI1,

drivers/gpu/drm/vc4/vc4_hdmi.c

@@ -1309,7 +1309,7 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
 					GFP_KERNEL);
 	if (!vc4_hdmi_encoder)
 		return -ENOMEM;
-	vc4_hdmi_encoder->base.type = VC4_ENCODER_TYPE_HDMI;
+	vc4_hdmi_encoder->base.type = VC4_ENCODER_TYPE_HDMI0;
 	hdmi->encoder = &vc4_hdmi_encoder->base.base;
 
 	hdmi->pdev = pdev;