mirror of https://github.com/torvalds/linux.git
230dced3e2
[WHY] We see unstable DP LL 4.2.1.3 test result with dpia pre-train. It is because the outbox interrupt mechanism can not handle HPD immediately 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 mode Reviewed-by: Wenjing Liu <wenjing.liu@amd.com> Reviewed-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com> Signed-off-by: Peichen Huang <PeiChen.Huang@amd.com> Signed-off-by: Tom Chung <chiahsuan.chung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
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| .. | ||
| link_ddc.c | ||
| link_ddc.h | ||
| link_dp_capability.c | ||
| link_dp_capability.h | ||
| link_dp_dpia.c | ||
| link_dp_dpia.h | ||
| link_dp_dpia_bw.c | ||
| link_dp_dpia_bw.h | ||
| link_dp_irq_handler.c | ||
| link_dp_irq_handler.h | ||
| link_dp_phy.c | ||
| link_dp_phy.h | ||
| link_dp_training.c | ||
| link_dp_training.h | ||
| link_dp_training_8b_10b.c | ||
| link_dp_training_8b_10b.h | ||
| link_dp_training_128b_132b.c | ||
| link_dp_training_128b_132b.h | ||
| link_dp_training_auxless.c | ||
| link_dp_training_auxless.h | ||
| link_dp_training_dpia.c | ||
| link_dp_training_dpia.h | ||
| link_dp_training_fixed_vs_pe_retimer.c | ||
| link_dp_training_fixed_vs_pe_retimer.h | ||
| link_dpcd.c | ||
| link_dpcd.h | ||
| link_edp_panel_control.c | ||
| link_edp_panel_control.h | ||
| link_hpd.c | ||
| link_hpd.h | ||