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authorVitaly Prosyak <vitaly.prosyak@amd.com>2019-09-16 17:04:33 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-10-10 19:33:37 -0500
commit566b4252fe9da9582dde008c5e9c3eb7c136e348 (patch)
tree51412bd876a977a359d5ec6bfd829c78349eeff0 /drivers/gpu/drm/amd/display/include
parentb356843ee584a97fa38046b28d833988d42c0256 (diff)
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.h2
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,