[PATCH v6 09/14] drm/amd/display: change DC functions to accept private types for edid

[Melissa Wen]

There is an opaque obj in Linux/DRM to encapsulate edid data as
`drm_edid`. This obj isn't present in other platforms but we need to
pass it through DC when adding sink. To pass this data without
compromise the independence of DC code, make some DC functions accept
edid data as private options.

Signed-off-by: Melissa Wen <mwen at igalia.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c | 9 ++++-----
 drivers/gpu/drm/amd/display/dc/dc.h                   | 9 ++++-----
 drivers/gpu/drm/amd/display/dc/inc/link.h             | 9 ++++-----
 drivers/gpu/drm/amd/display/dc/link/link_detection.c  | 4 ++--
 drivers/gpu/drm/amd/display/dc/link/link_detection.h  | 9 ++++-----
 5 files changed, 18 insertions(+), 22 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
index 130455f2802a..2459d62bc586 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_exports.c
@@ -278,11 +278,10 @@ unsigned int dc_dp_trace_get_link_loss_count(struct dc_link *link)
 	return link->dc->link_srv->dp_trace_get_link_loss_count(link);
 }
 
-struct dc_sink *dc_link_add_remote_sink(
-		struct dc_link *link,
-		const uint8_t *edid,
-		int len,
-		struct dc_sink_init_data *init_data)
+struct dc_sink *dc_link_add_remote_sink(struct dc_link *link,
+					const void *edid,
+					int len,
+					struct dc_sink_init_data *init_data)
 {
 	return link->dc->link_srv->add_remote_sink(link, edid, len, init_data);
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 59c07756130d..233d73f9f19f 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1943,11 +1943,10 @@ struct dc_sink_init_data;
  * @len - size of the edid in byte
  * @init_data -
  */
-struct dc_sink *dc_link_add_remote_sink(
-		struct dc_link *dc_link,
-		const uint8_t *edid,
-		int len,
-		struct dc_sink_init_data *init_data);
+struct dc_sink *dc_link_add_remote_sink(struct dc_link *dc_link,
+					const void *edid,
+					int len,
+					struct dc_sink_init_data *init_data);
 
 /* Remove remote sink from a link with dc_connection_mst_branch connection type.
  * @link - link the sink should be removed from
diff --git a/drivers/gpu/drm/amd/display/dc/inc/link.h b/drivers/gpu/drm/amd/display/dc/inc/link.h
index f2503402c10e..4110f11f44cc 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/link.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/link.h
@@ -107,11 +107,10 @@ struct link_service {
 	bool (*detect_link)(struct dc_link *link, enum dc_detect_reason reason);
 	bool (*detect_connection_type)(struct dc_link *link,
 			enum dc_connection_type *type);
-	struct dc_sink *(*add_remote_sink)(
-			struct dc_link *link,
-			const uint8_t *edid,
-			int len,
-			struct dc_sink_init_data *init_data);
+	struct dc_sink *(*add_remote_sink)(struct dc_link *link,
+					   const void *edid,
+					   int len,
+					   struct dc_sink_init_data *init_data);
 	void (*remove_remote_sink)(struct dc_link *link, struct dc_sink *sink);
 	bool (*get_hpd_state)(struct dc_link *link);
 	struct gpio *(*get_hpd_gpio)(struct dc_bios *dcb,
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.c b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
index a0d76d851cdd..10670c79bf54 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -1386,7 +1386,7 @@ static bool link_add_remote_sink_helper(struct dc_link *dc_link, struct dc_sink
 
 struct dc_sink *link_add_remote_sink(
 		struct dc_link *link,
-		const uint8_t *edid,
+		const void *edid,
 		int len,
 		struct dc_sink_init_data *init_data)
 {
@@ -1413,7 +1413,7 @@ struct dc_sink *link_add_remote_sink(
 	if (!dc_sink)
 		return NULL;
 
-	memmove(dc_sink->dc_edid.raw_edid, edid, len);
+	memmove(dc_sink->dc_edid.raw_edid, (const uint8_t *) edid, len);
 	dc_sink->dc_edid.length = len;
 
 	if (!link_add_remote_sink_helper(
diff --git a/drivers/gpu/drm/amd/display/dc/link/link_detection.h b/drivers/gpu/drm/amd/display/dc/link/link_detection.h
index 7da05078721e..9cd3aa36c7d8 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.h
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.h
@@ -29,11 +29,10 @@
 bool link_detect(struct dc_link *link, enum dc_detect_reason reason);
 bool link_detect_connection_type(struct dc_link *link,
 		enum dc_connection_type *type);
-struct dc_sink *link_add_remote_sink(
-		struct dc_link *link,
-		const uint8_t *edid,
-		int len,
-		struct dc_sink_init_data *init_data);
+struct dc_sink *link_add_remote_sink(struct dc_link *link,
+				     const void *edid,
+				     int len,
+				     struct dc_sink_init_data *init_data);
 void link_remove_remote_sink(struct dc_link *link, struct dc_sink *sink);
 bool link_reset_cur_dp_mst_topology(struct dc_link *link);
 const struct dc_link_status *link_get_status(const struct dc_link *link);
-- 
2.47.2