diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2022-06-01 20:46:35 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2022-11-09 10:43:10 +1000 |
| commit | 8bb30c882334c0fdbec9b604f09d2e9120b509ab (patch) | |
| tree | 467441811efe8c1185e771639667f8e0f304782c /drivers/gpu/drm/nouveau/include/nvif/if0012.h | |
| parent | 016dacb60e6d4b301c5941a0dedb49d337926832 (diff) | |
drm/nouveau/disp: add method to trigger DP link retrain
This moves control of link retraining in response to HPD IRQ to the
KMS driver's HPD IRQ handler.
NVKM still handles checking link status for the moment, this can be
moved to the KMS driver when it takes explicit control of link rate
selection.
v2:
- skip source config on retrain (fixes some retrain failures)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvif/if0012.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvif/if0012.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/if0012.h b/drivers/gpu/drm/nouveau/include/nvif/if0012.h index d1583271f5d4..0d2e9a949d98 100644 --- a/drivers/gpu/drm/nouveau/include/nvif/if0012.h +++ b/drivers/gpu/drm/nouveau/include/nvif/if0012.h @@ -16,6 +16,7 @@ union nvif_outp_args { #define NVIF_OUTP_V0_INFOFRAME 0x03 #define NVIF_OUTP_V0_HDA_ELD 0x04 #define NVIF_OUTP_V0_DP_AUX_PWR 0x05 +#define NVIF_OUTP_V0_DP_RETRAIN 0x06 union nvif_outp_load_detect_args { struct nvif_outp_load_detect_v0 { @@ -100,4 +101,9 @@ union nvif_outp_dp_aux_pwr_args { __u8 pad02[6]; } v0; }; + +union nvif_outp_dp_retrain_args { + struct nvif_outp_dp_retrain_vn { + } vn; +}; #endif |