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drm/nouveau/kms/nv50-: split DP disable+enable into two modesets

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Link training can finally be moved out of the supervisor sequence,
but first we need to split DP modesets into separate disable and
enable sequences to be able to perform link training between them
instead.

- preparation for GSP-RM

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Acked-by: Danilo Krummrich <me@dakr.org>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230919220442.202488-30-lyude@redhat.com
This commit is contained in:
Ben Skeggs 2023-09-19 17:56:24 -04:00 committed by Lyude Paul
parent bfb03a077b
commit a5a7379f6d
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/nouveau/dispnv50/disp.c
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@ -2375,7 +2375,8 @@ nv50_disp_outp_atomic_check_clr(struct nv50_atom *atom,
if (IS_ERR(outp))
return PTR_ERR(outp);
if (outp->encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
if (outp->encoder->encoder_type == DRM_MODE_ENCODER_DPMST ||
nouveau_encoder(outp->encoder)->dcb->type == DCB_OUTPUT_DP) {
outp->flush_disable = true;
atom->flush_disable = true;
}