Commit 1f403d9c authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nv50: set DP display power state during DPMS 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent ea4718d1

drivers/gpu/drm/nouveau/nv50_sor.c

+16 −2
Original line number Diff line number Diff line
@@ -115,8 +115,22 @@ nv50_sor_dpms(struct drm_encoder *encoder, int mode) 
			 nv_rd32(dev, NV50_PDISPLAY_SOR_DPMS_STATE(or)));

	}



	if (nv_encoder->dcb->type == OUTPUT_DP && mode == DRM_MODE_DPMS_ON)

	if (nv_encoder->dcb->type == OUTPUT_DP) {

		struct nouveau_i2c_chan *auxch;



		auxch = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);

		if (!auxch)

			return;



		if (mode == DRM_MODE_DPMS_ON) {

			u8 status = DP_SET_POWER_D0;

			nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1);

			nouveau_dp_link_train(encoder);

		} else {

			u8 status = DP_SET_POWER_D3;

			nouveau_dp_auxch(auxch, 8, DP_SET_POWER, &status, 1);

		}

	}

}



static void