From: Jimmy Kizito <Jimmy.Kizito@xxxxxxx>
[Why]
Some TBT3 docks have DPOAs which report USB4 capability and are expected
to support USB4 DPOA features such as FEC/DSC.
[How]
By default, do not override FEC/DSC capabilities reported by TBT3 docks.
Reviewed-by: Meenakshikumar Somasundaram <Meenakshikumar.Somasundaram@xxxxxxx>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@xxxxxxx>
Signed-off-by: Jimmy Kizito <Jimmy.Kizito@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 2 +-
drivers/gpu/drm/amd/display/dc/dc.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index e0660e7356c9..07e5b316fbde 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -5553,7 +5553,7 @@ static bool retrieve_link_cap(struct dc_link *link)
* only if required.
*/
if (link->ep_type == DISPLAY_ENDPOINT_USB4_DPIA &&
- !link->dc->debug.dpia_debug.bits.disable_force_tbt3_work_around &&
+ link->dc->debug.dpia_debug.bits.enable_force_tbt3_work_around &&
link->dpcd_caps.is_branch_dev &&
link->dpcd_caps.branch_dev_id == DP_BRANCH_DEVICE_ID_90CC24 &&
link->dpcd_caps.branch_hw_revision == DP_BRANCH_HW_REV_10 &&
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 30379e5ff898..337bbd4c6642 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -542,7 +542,7 @@ union dpia_debug_options {
uint32_t force_non_lttpr:1; /* bit 1 */
uint32_t extend_aux_rd_interval:1; /* bit 2 */
uint32_t disable_mst_dsc_work_around:1; /* bit 3 */
- uint32_t disable_force_tbt3_work_around:1; /* bit 4 */
+ uint32_t enable_force_tbt3_work_around:1; /* bit 4 */
uint32_t reserved:27;
} bits;
uint32_t raw;
--
2.25.1
