drm/amd/display: improve dpia pre-train[WHY]We see unstable DP LL 4.2.1.3 test result with dpia pre-train. It isbecause the outbox interrupt mechanism can not handle HPDimmediately and require s
drm/amd/display: improve dpia pre-train[WHY]We see unstable DP LL 4.2.1.3 test result with dpia pre-train. It isbecause the outbox interrupt mechanism can not handle HPDimmediately and require some improvement.[HOW]1. not enable link if hpd_pending is true.2. abort pre-train if training failed and hpd_pending is true.3. check if 2 lane supported when it is alt modeReviewed-by: Wenjing Liu <[email protected]>Reviewed-by: Meenakshikumar Somasundaram <[email protected]>Signed-off-by: Peichen Huang <[email protected]>Signed-off-by: Tom Chung <[email protected]>Tested-by: Daniel Wheeler <[email protected]>Signed-off-by: Alex Deucher <[email protected]>
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drm/amd/display: Move dio files into dio folder[why]Refactor the code of dio to unit test.[how]Moved files to respective folders and changed cMakeLists and makefiles.Acked-by: Rodrigo Siqueir
drm/amd/display: Move dio files into dio folder[why]Refactor the code of dio to unit test.[how]Moved files to respective folders and changed cMakeLists and makefiles.Acked-by: Rodrigo Siqueira <[email protected]>Signed-off-by: Jerry Zuo <[email protected]>Signed-off-by: Bhuvanachandra Pinninti <[email protected]>Tested-by: Daniel Wheeler <[email protected]>Signed-off-by: Alex Deucher <[email protected]>