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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Ben Skeggs <bskeggs@redhat.com>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.4 097/113] drm/nouveau/TBDdevinit: dont fail when PMU/PRE_OS is missing from VBIOS
Date:   Mon,  8 Oct 2018 20:31:38 +0200
Message-Id: <20181008175536.599827793@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@redhat.com>

[ Upstream commit 0a6986c6595e9afd20ff7280dab36431c1e467f8 ]

This Falcon application doesn't appear to be present on some newer
systems, so let's not fail init if we can't find it.

TBD: is there a way to determine whether it *should* be there?

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
@@ -161,7 +161,8 @@ gm204_devinit_post(struct nvkm_devinit *
 	}
 
 	/* load and execute some other ucode image (bios therm?) */
-	return pmu_load(init, 0x01, post, NULL, NULL);
+	pmu_load(init, 0x01, post, NULL, NULL);
+	return 0;
 }
 
 static const struct nvkm_devinit_func