[RFC PATCH 3/7] drm/amd/display: use drm_edid_product_id for parsing EDID product info

[Melissa Wen]

Since [1], we can use drm_edid_product_id to get debug info from
drm_edid instead of directly parsing EDID.

Link: https://lore.kernel.org/dri-devel/cover.1712655867.git.jani.nikula@intel.com/ [1]
Signed-off-by: Melissa Wen <mwen at igalia.com>
---
 .../drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

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 7edc23267ee7..0e37039dead0 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
@@ -109,6 +109,7 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
 	struct drm_device *dev = connector->dev;
 	struct edid *edid_buf = edid ? (struct edid *) edid->raw_edid : NULL;
 	struct drm_edid *drm_edid;
+	struct drm_edid_product_id product_id;
 	struct cea_sad *sads;
 	int sad_count = -1;
 	int sadb_count = -1;
@@ -126,13 +127,13 @@ enum dc_edid_status dm_helpers_parse_edid_caps(
 	if (!drm_edid_valid(drm_edid))
 		result = EDID_BAD_CHECKSUM;
 
-	edid_caps->manufacturer_id = (uint16_t) edid_buf->mfg_id[0] |
-					((uint16_t) edid_buf->mfg_id[1])<<8;
-	edid_caps->product_id = (uint16_t) edid_buf->prod_code[0] |
-					((uint16_t) edid_buf->prod_code[1])<<8;
-	edid_caps->serial_number = edid_buf->serial;
-	edid_caps->manufacture_week = edid_buf->mfg_week;
-	edid_caps->manufacture_year = edid_buf->mfg_year;
+	drm_edid_get_product_id(drm_edid, &product_id);
+
+	edid_caps->manufacturer_id = le16_to_cpu(product_id.manufacturer_name);
+	edid_caps->product_id = le16_to_cpu(product_id.product_code);
+	edid_caps->serial_number = le32_to_cpu(product_id.serial_number);
+	edid_caps->manufacture_week = product_id.week_of_manufacture;
+	edid_caps->manufacture_year = product_id.year_of_manufacture;
 
 	drm_edid_get_monitor_name(edid_buf,
 				  edid_caps->display_name,
-- 
2.47.2