[PATCH v4 08/14] drm/amd/display: simplify dm_helpers_parse_edid_caps signature

[Melissa Wen]

Pass dc_sink to dm_helpers_parse_edid_caps(), since it already contains
edid info. It's a groundwork to get rid of raw edid stored as dc_edid.

v4:
- fix kernel-doc

Signed-off-by: Melissa Wen <mwen at igalia.com>
---
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c |  5 +---
 .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 23 ++++++++-----------
 drivers/gpu/drm/amd/display/dc/dm_helpers.h   |  7 ++----
 .../drm/amd/display/dc/link/link_detection.c  |  5 +---
 4 files changed, 13 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 2f806bc6322b..c7efeb9f38b6 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -7384,10 +7384,7 @@ static void amdgpu_dm_connector_funcs_force(struct drm_connector *connector)
 		memset(&dc_em_sink->edid_caps, 0, sizeof(struct dc_edid_caps));
 		memmove(dc_em_sink->dc_edid.raw_edid, edid,
 			(edid->extensions + 1) * EDID_LENGTH);
-		dm_helpers_parse_edid_caps(
-			dc_link,
-			&dc_em_sink->dc_edid,
-			&dc_em_sink->edid_caps);
+		dm_helpers_parse_edid_caps(dc_link, dc_em_sink);
 	}
 }
 
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
index e7cfbee6c67f..abfce44dcee7 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c
@@ -89,29 +89,27 @@ static void apply_edid_quirks(struct drm_device *dev,
 /**
  * dm_helpers_parse_edid_caps() - Parse edid caps
  *
- * @link: current detected link
- * @edid:	[in] pointer to edid
- * @edid_caps:	[in] pointer to edid caps
+ * @link: current detected link (connector)
+ * @sink: current detected sink (display)
  *
  * Return: void
  */
-enum dc_edid_status dm_helpers_parse_edid_caps(
-		struct dc_link *link,
-		const struct dc_edid *edid,
-		struct dc_edid_caps *edid_caps)
+enum dc_edid_status dm_helpers_parse_edid_caps(struct dc_link *link,
+					       struct dc_sink *sink)
 {
 	struct amdgpu_dm_connector *aconnector = link->priv;
 	struct drm_connector *connector = &aconnector->base;
 	struct drm_device *dev = connector->dev;
-	struct edid *edid_buf = edid ? (struct edid *) edid->raw_edid : NULL;
+	struct edid *edid_buf;
 	const struct drm_edid *drm_edid;
 	struct drm_edid_product_id product_id;
+	struct dc_edid_caps *edid_caps = &sink->edid_caps;
 	int sad_count;
 	int i = 0;
 	enum dc_edid_status result = EDID_OK;
 
-
-	if (!edid_caps || !edid)
+	edid_buf = (struct edid *) &sink->dc_edid.raw_edid;
+	if (!edid_caps || !edid_buf)
 		return EDID_BAD_INPUT;
 
 	drm_edid = drm_edid_alloc(edid_buf, EDID_LENGTH * (edid_buf->extensions + 1));
@@ -1030,10 +1028,7 @@ enum dc_edid_status dm_helpers_read_local_edid(
 		/* We don't need the original edid anymore */
 		drm_edid_free(drm_edid);
 
-		edid_status = dm_helpers_parse_edid_caps(
-						link,
-						&sink->dc_edid,
-						&sink->edid_caps);
+		edid_status = dm_helpers_parse_edid_caps(link, sink);
 
 	} while (edid_status == EDID_BAD_CHECKSUM && --retry > 0);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dm_helpers.h b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
index 9d160b39e8c5..ce6a70368bd0 100644
--- a/drivers/gpu/drm/amd/display/dc/dm_helpers.h
+++ b/drivers/gpu/drm/amd/display/dc/dm_helpers.h
@@ -59,11 +59,8 @@ void dm_helpers_free_gpu_mem(
 		enum dc_gpu_mem_alloc_type type,
 		void *pvMem);
 
-enum dc_edid_status dm_helpers_parse_edid_caps(
-	struct dc_link *link,
-	const struct dc_edid *edid,
-	struct dc_edid_caps *edid_caps);
-
+enum dc_edid_status dm_helpers_parse_edid_caps(struct dc_link *link,
+					       struct dc_sink *sink);
 
 /*
  * Update DP branch info
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 9655e6fa53a4..5ac361c59371 100644
--- a/drivers/gpu/drm/amd/display/dc/link/link_detection.c
+++ b/drivers/gpu/drm/amd/display/dc/link/link_detection.c
@@ -1420,10 +1420,7 @@ struct dc_sink *link_add_remote_sink(
 			dc_sink))
 		goto fail_add_sink;
 
-	edid_status = dm_helpers_parse_edid_caps(
-			link,
-			&dc_sink->dc_edid,
-			&dc_sink->edid_caps);
+	edid_status = dm_helpers_parse_edid_caps(link, dc_sink);
 
 	/*
 	 * Treat device as no EDID device if EDID
-- 
2.47.2