diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c index da5aa4683d16..12e52529413c 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.c @@ -411,6 +411,23 @@ nvkm_dp_train(struct nvkm_dp *dp, u32 dataKBps) return ret; } +static void +nvkm_dp_release(struct nvkm_outp *outp, struct nvkm_ior *ior) +{ + struct nvkm_dp *dp = nvkm_dp(outp); + + /* Prevent link from being retrained if sink sends an IRQ. */ + atomic_set(&dp->lt.done, 0); + ior->dp.nr = 0; + + /* Execute DisableLT script from DP Info Table. */ + nvbios_init(&ior->disp->engine.subdev, dp->info.script[4], + init.outp = &dp->outp.info; + init.or = ior->id; + init.link = ior->arm.link; + ); +} + int nvkm_output_dp_train(struct nvkm_outp *outp, u32 unused) { @@ -557,6 +574,7 @@ nvkm_dp_func = { .dtor = nvkm_dp_dtor, .init = nvkm_dp_init, .fini = nvkm_dp_fini, + .release = nvkm_dp_release, }; static int |