drm/display: Move HDMI helpers into display-helper module

Move DRM's HMDI helpers into the display/ subdirectoy and add it
to DRM's display helpers. Update all affected drivers. No functional
changes.

The HDMI helpers were implemented in the EDID and connector code, but
are actually unrelated. With the move to the display-helper library, we
can remove the dependency on drm_edid.{c,h} in some driver's HDMI source
files.

Several of the HDMI helpers remain in EDID code because both share parts
of their implementation internally. With better refractoring of the EDID
code, those HDMI helpers could be moved into the display-helper library
as well.

v3:
	* fix Kconfig dependencies (Javier)
v2:
	* reduce HDMI helpers to avoid exporting functions (Jani)
	* fix include statements (Jani, Javier)
	* update Kconfig symbols
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220421073108.19226-8-tzimmermann@suse.de

drivers/gpu/drm/Kconfig

@@ -246,6 +246,7 @@ config DRM_AMDGPU
 	depends on DRM && PCI && MMU
 	select FW_LOADER
 	select DRM_DISPLAY_DP_HELPER
+	select DRM_DISPLAY_HDMI_HELPER
 	select DRM_DISPLAY_HELPER
 	select DRM_KMS_HELPER
 	select DRM_SCHED

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

@@ -74,6 +74,7 @@
 #include <linux/component.h>
 
 #include <drm/display/drm_dp_mst_helper.h>
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_uapi.h>
 #include <drm/drm_atomic_helper.h>

drivers/gpu/drm/bridge/synopsys/Kconfig

 # SPDX-License-Identifier: GPL-2.0-only
 config DRM_DW_HDMI
 	tristate
+	select DRM_DISPLAY_HDMI_HELPER
+	select DRM_DISPLAY_HELPER
 	select DRM_KMS_HELPER
 	select REGMAP_MMIO
 	select CEC_CORE if CEC_NOTIFIER

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

@@ -25,10 +25,10 @@
 #include <uapi/linux/videodev2.h>
 
 #include <drm/bridge/dw_hdmi.h>
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_bridge.h>
-#include <drm/drm_edid.h>
 #include <drm/drm_of.h>
 #include <drm/drm_print.h>
 #include <drm/drm_probe_helper.h>

drivers/gpu/drm/display/Kconfig

@@ -23,6 +23,12 @@ config DRM_DISPLAY_HDCP_HELPER
 	help
 	  DRM display helpers for HDCP.
 
+config DRM_DISPLAY_HDMI_HELPER
+	bool
+	depends on DRM_DISPLAY_HELPER
+	help
+	  DRM display helpers for HDMI.
+
 config DRM_DP_AUX_CHARDEV
 	bool "DRM DP AUX Interface"
 	depends on DRM

drivers/gpu/drm/display/Makefile

@@ -8,6 +8,7 @@ drm_display_helper-$(CONFIG_DRM_DISPLAY_DP_HELPER) += drm_dp_dual_mode_helper.o
 						      drm_dp_mst_topology.o \
 						      drm_dsc_helper.o
 drm_display_helper-$(CONFIG_DRM_DISPLAY_HDCP_HELPER) += drm_hdcp_helper.o
+drm_display_helper-$(CONFIG_DRM_DISPLAY_HDMI_HELPER) += drm_hdmi_helper.o
 drm_display_helper-$(CONFIG_DRM_DP_AUX_CHARDEV) += drm_dp_aux_dev.o
 drm_display_helper-$(CONFIG_DRM_DP_CEC) += drm_dp_cec.o
 

drivers/gpu/drm/display/drm_hdmi_helper.c

+// SPDX-License-Identifier: MIT
+
+#include <linux/module.h>
+
+#include <drm/display/drm_hdmi_helper.h>
+#include <drm/drm_connector.h>
+#include <drm/drm_edid.h>
+#include <drm/drm_modes.h>
+#include <drm/drm_print.h>
+#include <drm/drm_property.h>
+
+static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
+{
+	return sink_eotf & BIT(output_eotf);
+}
+
+/**
+ * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
+ *                                         HDR metadata from userspace
+ * @frame: HDMI DRM infoframe
+ * @conn_state: Connector state containing HDR metadata
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
+					const struct drm_connector_state *conn_state)
+{
+	struct drm_connector *connector;
+	struct hdr_output_metadata *hdr_metadata;
+	int err;
+
+	if (!frame || !conn_state)
+		return -EINVAL;
+
+	connector = conn_state->connector;
+
+	if (!conn_state->hdr_output_metadata)
+		return -EINVAL;
+
+	hdr_metadata = conn_state->hdr_output_metadata->data;
+
+	if (!hdr_metadata || !connector)
+		return -EINVAL;
+
+	/* Sink EOTF is Bit map while infoframe is absolute values */
+	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
+	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
+		DRM_DEBUG_KMS("EOTF Not Supported\n");
+		return -EINVAL;
+	}
+
+	err = hdmi_drm_infoframe_init(frame);
+	if (err < 0)
+		return err;
+
+	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
+	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
+
+	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
+		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
+	BUILD_BUG_ON(sizeof(frame->white_point) !=
+		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
+
+	memcpy(&frame->display_primaries,
+	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
+	       sizeof(frame->display_primaries));
+
+	memcpy(&frame->white_point,
+	       &hdr_metadata->hdmi_metadata_type1.white_point,
+	       sizeof(frame->white_point));
+
+	frame->max_display_mastering_luminance =
+		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
+	frame->min_display_mastering_luminance =
+		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
+	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
+	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
+
+/* HDMI Colorspace Spec Definitions */
+#define FULL_COLORIMETRY_MASK		0x1FF
+#define NORMAL_COLORIMETRY_MASK		0x3
+#define EXTENDED_COLORIMETRY_MASK	0x7
+#define EXTENDED_ACE_COLORIMETRY_MASK	0xF
+
+#define C(x) ((x) << 0)
+#define EC(x) ((x) << 2)
+#define ACE(x) ((x) << 5)
+
+#define HDMI_COLORIMETRY_NO_DATA		0x0
+#define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
+#define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
+#define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
+#define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
+#define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
+#define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
+#define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
+#define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
+#define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
+#define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
+#define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
+#define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
+
+static const u32 hdmi_colorimetry_val[] = {
+	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
+	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
+	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
+	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
+	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
+	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
+	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
+	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
+	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
+	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
+	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
+};
+
+#undef C
+#undef EC
+#undef ACE
+
+/**
+ * drm_hdmi_avi_infoframe_colorimetry() - fill the HDMI AVI infoframe
+ *                                       colorimetry information
+ * @frame: HDMI AVI infoframe
+ * @conn_state: connector state
+ */
+void drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
+					const struct drm_connector_state *conn_state)
+{
+	u32 colorimetry_val;
+	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
+
+	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
+		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
+	else
+		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
+
+	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
+	/*
+	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
+	 * structure and extend it in drivers/video/hdmi
+	 */
+	frame->extended_colorimetry = (colorimetry_val >> 2) &
+					EXTENDED_COLORIMETRY_MASK;
+}
+EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorimetry);
+
+/**
+ * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
+ *                                 bar information
+ * @frame: HDMI AVI infoframe
+ * @conn_state: connector state
+ */
+void drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
+				 const struct drm_connector_state *conn_state)
+{
+	frame->right_bar = conn_state->tv.margins.right;
+	frame->left_bar = conn_state->tv.margins.left;
+	frame->top_bar = conn_state->tv.margins.top;
+	frame->bottom_bar = conn_state->tv.margins.bottom;
+}
+EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
+
+/**
+ * drm_hdmi_avi_infoframe_content_type() - fill the HDMI AVI infoframe
+ *                                         content type information, based
+ *                                         on correspondent DRM property.
+ * @frame: HDMI AVI infoframe
+ * @conn_state: DRM display connector state
+ *
+ */
+void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
+					 const struct drm_connector_state *conn_state)
+{
+	switch (conn_state->content_type) {
+	case DRM_MODE_CONTENT_TYPE_GRAPHICS:
+		frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
+		break;
+	case DRM_MODE_CONTENT_TYPE_CINEMA:
+		frame->content_type = HDMI_CONTENT_TYPE_CINEMA;
+		break;
+	case DRM_MODE_CONTENT_TYPE_GAME:
+		frame->content_type = HDMI_CONTENT_TYPE_GAME;
+		break;
+	case DRM_MODE_CONTENT_TYPE_PHOTO:
+		frame->content_type = HDMI_CONTENT_TYPE_PHOTO;
+		break;
+	default:
+		/* Graphics is the default(0) */
+		frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
+	}
+
+	frame->itc = conn_state->content_type != DRM_MODE_CONTENT_TYPE_NO_DATA;
+}
+EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);

drivers/gpu/drm/drm_connector.c

@@ -1486,40 +1486,6 @@ int drm_connector_attach_content_type_property(struct drm_connector *connector)
 }
 EXPORT_SYMBOL(drm_connector_attach_content_type_property);
 
-
-/**
- * drm_hdmi_avi_infoframe_content_type() - fill the HDMI AVI infoframe
- *                                         content type information, based
- *                                         on correspondent DRM property.
- * @frame: HDMI AVI infoframe
- * @conn_state: DRM display connector state
- *
- */
-void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
-					 const struct drm_connector_state *conn_state)
-{
-	switch (conn_state->content_type) {
-	case DRM_MODE_CONTENT_TYPE_GRAPHICS:
-		frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
-		break;
-	case DRM_MODE_CONTENT_TYPE_CINEMA:
-		frame->content_type = HDMI_CONTENT_TYPE_CINEMA;
-		break;
-	case DRM_MODE_CONTENT_TYPE_GAME:
-		frame->content_type = HDMI_CONTENT_TYPE_GAME;
-		break;
-	case DRM_MODE_CONTENT_TYPE_PHOTO:
-		frame->content_type = HDMI_CONTENT_TYPE_PHOTO;
-		break;
-	default:
-		/* Graphics is the default(0) */
-		frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
-	}
-
-	frame->itc = conn_state->content_type != DRM_MODE_CONTENT_TYPE_NO_DATA;
-}
-EXPORT_SYMBOL(drm_hdmi_avi_infoframe_content_type);
-
 /**
  * drm_connector_attach_tv_margin_properties - attach TV connector margin
  * 	properties

drivers/gpu/drm/drm_edid.c

@@ -5883,78 +5883,6 @@ static bool is_hdmi2_sink(const struct drm_connector *connector)
 		connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR420;
 }
 
-static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
-{
-	return sink_eotf & BIT(output_eotf);
-}
-
-/**
- * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
- *                                         HDR metadata from userspace
- * @frame: HDMI DRM infoframe
- * @conn_state: Connector state containing HDR metadata
- *
- * Return: 0 on success or a negative error code on failure.
- */
-int
-drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
-				    const struct drm_connector_state *conn_state)
-{
-	struct drm_connector *connector;
-	struct hdr_output_metadata *hdr_metadata;
-	int err;
-
-	if (!frame || !conn_state)
-		return -EINVAL;
-
-	connector = conn_state->connector;
-
-	if (!conn_state->hdr_output_metadata)
-		return -EINVAL;
-
-	hdr_metadata = conn_state->hdr_output_metadata->data;
-
-	if (!hdr_metadata || !connector)
-		return -EINVAL;
-
-	/* Sink EOTF is Bit map while infoframe is absolute values */
-	if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
-	    connector->hdr_sink_metadata.hdmi_type1.eotf)) {
-		DRM_DEBUG_KMS("EOTF Not Supported\n");
-		return -EINVAL;
-	}
-
-	err = hdmi_drm_infoframe_init(frame);
-	if (err < 0)
-		return err;
-
-	frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
-	frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
-
-	BUILD_BUG_ON(sizeof(frame->display_primaries) !=
-		     sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
-	BUILD_BUG_ON(sizeof(frame->white_point) !=
-		     sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
-
-	memcpy(&frame->display_primaries,
-	       &hdr_metadata->hdmi_metadata_type1.display_primaries,
-	       sizeof(frame->display_primaries));
-
-	memcpy(&frame->white_point,
-	       &hdr_metadata->hdmi_metadata_type1.white_point,
-	       sizeof(frame->white_point));
-
-	frame->max_display_mastering_luminance =
-		hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
-	frame->min_display_mastering_luminance =
-		hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
-	frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
-	frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
-
-	return 0;
-}
-EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
-
 static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
 			    const struct drm_display_mode *mode)
 {
@@ -6076,76 +6004,6 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
 }
 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
 
-/* HDMI Colorspace Spec Definitions */
-#define FULL_COLORIMETRY_MASK		0x1FF
-#define NORMAL_COLORIMETRY_MASK		0x3
-#define EXTENDED_COLORIMETRY_MASK	0x7
-#define EXTENDED_ACE_COLORIMETRY_MASK	0xF
-
-#define C(x) ((x) << 0)
-#define EC(x) ((x) << 2)
-#define ACE(x) ((x) << 5)
-
-#define HDMI_COLORIMETRY_NO_DATA		0x0
-#define HDMI_COLORIMETRY_SMPTE_170M_YCC		(C(1) | EC(0) | ACE(0))
-#define HDMI_COLORIMETRY_BT709_YCC		(C(2) | EC(0) | ACE(0))
-#define HDMI_COLORIMETRY_XVYCC_601		(C(3) | EC(0) | ACE(0))
-#define HDMI_COLORIMETRY_XVYCC_709		(C(3) | EC(1) | ACE(0))
-#define HDMI_COLORIMETRY_SYCC_601		(C(3) | EC(2) | ACE(0))
-#define HDMI_COLORIMETRY_OPYCC_601		(C(3) | EC(3) | ACE(0))
-#define HDMI_COLORIMETRY_OPRGB			(C(3) | EC(4) | ACE(0))
-#define HDMI_COLORIMETRY_BT2020_CYCC		(C(3) | EC(5) | ACE(0))
-#define HDMI_COLORIMETRY_BT2020_RGB		(C(3) | EC(6) | ACE(0))
-#define HDMI_COLORIMETRY_BT2020_YCC		(C(3) | EC(6) | ACE(0))
-#define HDMI_COLORIMETRY_DCI_P3_RGB_D65		(C(3) | EC(7) | ACE(0))
-#define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER	(C(3) | EC(7) | ACE(1))
-
-static const u32 hdmi_colorimetry_val[] = {
-	[DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
-	[DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
-	[DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
-	[DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
-	[DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
-	[DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
-	[DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
-	[DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
-	[DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
-	[DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
-	[DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
-};
-
-#undef C
-#undef EC
-#undef ACE
-
-/**
- * drm_hdmi_avi_infoframe_colorimetry() - fill the HDMI AVI infoframe
- *                                       colorimetry information
- * @frame: HDMI AVI infoframe
- * @conn_state: connector state
- */
-void
-drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
-				  const struct drm_connector_state *conn_state)
-{
-	u32 colorimetry_val;
-	u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
-
-	if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
-		colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
-	else
-		colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
-
-	frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
-	/*
-	 * ToDo: Extend it for ACE formats as well. Modify the infoframe
-	 * structure and extend it in drivers/video/hdmi
-	 */
-	frame->extended_colorimetry = (colorimetry_val >> 2) &
-					EXTENDED_COLORIMETRY_MASK;
-}
-EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorimetry);
-
 /**
  * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
  *                                        quantization range information
@@ -6201,23 +6059,6 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
 }
 EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
 
-/**
- * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
- *                                 bar information
- * @frame: HDMI AVI infoframe
- * @conn_state: connector state
- */
-void
-drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
-			    const struct drm_connector_state *conn_state)
-{
-	frame->right_bar = conn_state->tv.margins.right;
-	frame->left_bar = conn_state->tv.margins.left;
-	frame->top_bar = conn_state->tv.margins.top;
-	frame->bottom_bar = conn_state->tv.margins.bottom;
-}
-EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
-
 static enum hdmi_3d_structure
 s3d_structure_from_display_mode(const struct drm_display_mode *mode)
 {

drivers/gpu/drm/i915/Kconfig

@@ -12,6 +12,7 @@ config DRM_I915
 	select TMPFS
 	select DRM_DISPLAY_DP_HELPER
 	select DRM_DISPLAY_HDCP_HELPER
+	select DRM_DISPLAY_HDMI_HELPER
 	select DRM_DISPLAY_HELPER
 	select DRM_KMS_HELPER
 	select DRM_PANEL

drivers/gpu/drm/i915/display/intel_dp.c

@@ -37,9 +37,9 @@
 
 #include <drm/display/drm_dp_helper.h>
 #include <drm/display/drm_dsc_helper.h>
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
 #include <drm/drm_probe_helper.h>
 
 #include "g4x_dp.h"

drivers/gpu/drm/i915/display/intel_hdmi.c

@@ -33,6 +33,7 @@
 #include <linux/string_helpers.h>
 
 #include <drm/display/drm_hdcp_helper.h>
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>

drivers/gpu/drm/i915/display/intel_lspcon.c

@@ -24,8 +24,8 @@
  */
 
 #include <drm/display/drm_dp_dual_mode_helper.h>
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
 
 #include "intel_de.h"
 #include "intel_display_types.h"

drivers/gpu/drm/i915/display/intel_sdvo.c

@@ -31,6 +31,7 @@
 #include <linux/i2c.h>
 #include <linux/slab.h>
 
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic_helper.h>
 #include <drm/drm_crtc.h>
 #include <drm/drm_edid.h>

drivers/gpu/drm/vc4/Kconfig

@@ -5,6 +5,8 @@ config DRM_VC4
 	depends on DRM
 	depends on SND && SND_SOC
 	depends on COMMON_CLK
+	select DRM_DISPLAY_HDMI_HELPER
+	select DRM_DISPLAY_HELPER
 	select DRM_KMS_HELPER
 	select DRM_GEM_CMA_HELPER
 	select DRM_PANEL_BRIDGE

drivers/gpu/drm/vc4/vc4_hdmi.c

@@ -31,8 +31,8 @@
  * encoder block has CEC support.
  */
 
+#include <drm/display/drm_hdmi_helper.h>
 #include <drm/drm_atomic_helper.h>
-#include <drm/drm_edid.h>
 #include <drm/drm_probe_helper.h>
 #include <drm/drm_simple_kms_helper.h>
 #include <drm/drm_scdc_helper.h>

include/drm/display/drm_hdmi_helper.h

+/* SPDX-License-Identifier: MIT */
+
+#ifndef DRM_HDMI_HELPER
+#define DRM_HDMI_HELPER
+
+#include <linux/hdmi.h>
+
+struct drm_connector;
+struct drm_connector_state;
+struct drm_display_mode;
+
+void
+drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
+				   const struct drm_connector_state *conn_state);
+
+void
+drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
+			    const struct drm_connector_state *conn_state);
+
+int
+drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
+				    const struct drm_connector_state *conn_state);
+
+void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
+					 const struct drm_connector_state *conn_state);
+
+#endif

include/drm/drm_connector.h

@@ -1784,9 +1784,6 @@ int drm_mode_create_aspect_ratio_property(struct drm_device *dev);
 int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector);
 int drm_mode_create_dp_colorspace_property(struct drm_connector *connector);
 int drm_mode_create_content_type_property(struct drm_device *dev);
-void drm_hdmi_avi_infoframe_content_type(struct hdmi_avi_infoframe *frame,
-					 const struct drm_connector_state *conn_state);
-
 int drm_mode_create_suggested_offset_properties(struct drm_device *dev);
 
 int drm_connector_set_path_property(struct drm_connector *connector,

include/drm/drm_edid.h

@@ -400,24 +400,12 @@ drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
 					    const struct drm_connector *connector,
 					    const struct drm_display_mode *mode);
 
-void
-drm_hdmi_avi_infoframe_colorimetry(struct hdmi_avi_infoframe *frame,
-				   const struct drm_connector_state *conn_state);
-
-void
-drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
-			    const struct drm_connector_state *conn_state);
-
 void
 drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
 				   const struct drm_connector *connector,
 				   const struct drm_display_mode *mode,
 				   enum hdmi_quantization_range rgb_quant_range);
 
-int
-drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
-				    const struct drm_connector_state *conn_state);
-
 /**
  * drm_eld_mnl - Get ELD monitor name length in bytes.
  * @eld: pointer to an eld memory structure with mnl set