From: Leo Ma <hanghong.ma@amd.com>
Date: Thu, 15 Sep 2022 16:03:04 +0000 (-0400)
Subject: drm/amd/display: Adding HDMI SCDC DEVICE_ID define
X-Git-Tag: v6.6.17~5843^2~17^2~128
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea8626425859cf99de0c7f7e5b2c485d5f19b20e;p=platform%2Fkernel%2Flinux-rpi.git

drm/amd/display: Adding HDMI SCDC DEVICE_ID define

[Why && How]
We will need to differentiate vendor behavior in the future.

Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Alan Liu <HaoPing.Liu@amd.com>
Signed-off-by: Leo Ma <hanghong.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index 6512313..ce8d6a5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -82,6 +82,7 @@ struct dp_hdmi_dongle_signature_data {
 #define HDMI_SCDC_STATUS_FLAGS 0x40
 #define HDMI_SCDC_ERR_DETECT 0x50
 #define HDMI_SCDC_TEST_CONFIG 0xC0
+#define HDMI_SCDC_DEVICE_ID 0xD3
 
 union hdmi_scdc_update_read_data {
 	uint8_t byte[2];