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drm/amd/display: Adding HDMI SCDC DEVICE_ID define

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[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>
This commit is contained in:
Leo Ma
2022-09-15 12:03:04 -04:00
committed by Alex Deucher
parent 00efc965a7
commit ea86264258
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
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@@ -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];