[PATCH 02/22] drm/amd/display: Adding HDMI SCDC DEVICE_ID define

Alan Liu HaoPing.Liu at amd.com
Wed Nov 2 16:00:57 UTC 2022


From: Leo Ma <hanghong.ma at amd.com>

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

Reviewed-by: Chris Park <Chris.Park at amd.com>
Acked-by: Alan Liu <HaoPing.Liu at amd.com>
Signed-off-by: Leo Ma <hanghong.ma at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c | 1 +
 1 file changed, 1 insertion(+)

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 651231387043..ce8d6a54ca54 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];
-- 
2.25.1



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