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| author | Vitaly Prosyak <vitaly.prosyak@amd.com> | 2019-09-16 17:04:33 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-10 19:33:37 -0500 |
| commit | 566b4252fe9da9582dde008c5e9c3eb7c136e348 (patch) | |
| tree | 51412bd876a977a359d5ec6bfd829c78349eeff0 /drivers/gpu/drm/amd/display/include | |
| parent | b356843ee584a97fa38046b28d833988d42c0256 (diff) | |
| download | linux-566b4252fe9da9582dde008c5e9c3eb7c136e348.tar.bz2 | |
drm/amd/display: add new active dongle to existent w/a
[Why & How]
Dongle 0x00E04C power down all internal circuits including
AUX communication preventing reading DPCD table.
Encoder will skip DP RX power down on disable output
to keep receiver powered all the time.
Signed-off-by: Vitaly Prosyak <vitaly.prosyak@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Vitaly Prosyak <Vitaly.Prosyak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/include')
| -rw-r--r-- | drivers/gpu/drm/amd/display/include/ddc_service_types.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/ddc_service_types.h b/drivers/gpu/drm/amd/display/include/ddc_service_types.h index 18961707db23..9ad49da50a17 100644 --- a/drivers/gpu/drm/amd/display/include/ddc_service_types.h +++ b/drivers/gpu/drm/amd/display/include/ddc_service_types.h @@ -31,6 +31,8 @@ #define DP_BRANCH_DEVICE_ID_0022B9 0x0022B9 #define DP_BRANCH_DEVICE_ID_00001A 0x00001A #define DP_BRANCH_DEVICE_ID_0080E1 0x0080e1 +#define DP_BRANCH_DEVICE_ID_90CC24 0x90CC24 +#define DP_BRANCH_DEVICE_ID_00E04C 0x00E04C enum ddc_result { DDC_RESULT_UNKNOWN = 0, |