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Commit 7fac4933 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/dp: workaround broken display 



The display in fdo#76483 pulses the hotplug line for link retraining
after we cut power to the main link on the source, even while it's
in D3.

fdo#76483

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 0713b451

drivers/gpu/drm/nouveau/core/engine/disp/sornv50.c

+1 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ nv50_sor_mthd(struct nouveau_object *object, u32 mthd, void *args, u32 size) 
			struct nvkm_output_dp *outpdp = (void *)outp;

			switch (data) {

			case NV94_DISP_SOR_DP_PWR_STATE_OFF:

				nouveau_event_put(outpdp->irq);

				((struct nvkm_output_dp_impl *)nv_oclass(outp))

					->lnk_pwr(outpdp, 0);

				atomic_set(&outpdp->lt.done, 0);