drm: Remove linux/i2c.h from drm_crtc.h

drm_crtc.h has no need for linux/i2c.h, so don't include it.
Avoids useless rebuilds of the entire universe when
touching linux/i2c.h.

Quite a few placs do currently depend on linux/i2c.h without
actually including it directly. All of those need to be
fixed up.

v2: imx and mcde need linux/io.h for readl()/etc.

Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220630195114.17407-5-ville.syrjala@linux.intel.com

drivers/gpu/drm/bridge/chrontel-ch7033.c

@@ -6,6 +6,7 @@
  */
 
 #include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/regmap.h>
 

drivers/gpu/drm/bridge/imx/imx8qxp-pixel-combiner.c

@@ -7,6 +7,7 @@
 #include <linux/bitfield.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
+#include <linux/io.h>
 #include <linux/media-bus-format.h>
 #include <linux/module.h>
 #include <linux/of.h>

drivers/gpu/drm/bridge/lontium-lt9611.c

@@ -5,6 +5,7 @@
  */
 
 #include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/media-bus-format.h>
 #include <linux/module.h>

drivers/gpu/drm/bridge/lontium-lt9611uxc.c

@@ -6,6 +6,7 @@
 
 #include <linux/firmware.h>
 #include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/mutex.h>

drivers/gpu/drm/bridge/synopsys/dw-hdmi.c

@@ -10,6 +10,7 @@
 #include <linux/delay.h>
 #include <linux/err.h>
 #include <linux/hdmi.h>
+#include <linux/i2c.h>
 #include <linux/irq.h>
 #include <linux/module.h>
 #include <linux/mutex.h>

drivers/gpu/drm/exynos/exynos_dp.c

@@ -10,6 +10,7 @@
 #include <linux/component.h>
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/of_graph.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>

drivers/gpu/drm/i2c/tda998x_drv.c

@@ -7,6 +7,7 @@
 #include <linux/component.h>
 #include <linux/gpio/consumer.h>
 #include <linux/hdmi.h>
+#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/platform_data/tda9950.h>
 #include <linux/irq.h>

drivers/gpu/drm/mcde/mcde_clk_div.c

@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/clk-provider.h>
+#include <linux/io.h>
 #include <linux/regulator/consumer.h>
 
 #include "mcde_drm.h"

drivers/gpu/drm/panel/panel-simple.c

@@ -23,6 +23,7 @@
 
 #include <linux/delay.h>
 #include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
 #include <linux/media-bus-format.h>
 #include <linux/module.h>
 #include <linux/of_platform.h>

drivers/gpu/drm/sti/sti_hdmi.c

@@ -8,6 +8,7 @@
 #include <linux/component.h>
 #include <linux/debugfs.h>
 #include <linux/hdmi.h>
+#include <linux/i2c.h>
 #include <linux/module.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>

drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c

@@ -7,6 +7,7 @@
 
 #include <linux/clk.h>
 #include <linux/component.h>
+#include <linux/i2c.h>
 #include <linux/iopoll.h>
 #include <linux/module.h>
 #include <linux/of_device.h>

include/drm/drm_crtc.h

@@ -25,7 +25,6 @@
 #ifndef __DRM_CRTC_H__
 #define __DRM_CRTC_H__
 
-#include <linux/i2c.h>
 #include <linux/spinlock.h>
 #include <linux/types.h>
 #include <drm/drm_modeset_lock.h>

include/drm/drm_encoder_slave.h

@@ -27,6 +27,8 @@
 #ifndef __DRM_ENCODER_SLAVE_H__
 #define __DRM_ENCODER_SLAVE_H__
 
+#include <linux/i2c.h>
+
 #include <drm/drm_crtc.h>
 #include <drm/drm_encoder.h>