linux-kernel - [PATCH AUTOSEL 4.4 06/17] drm/nouveau/TBDdevinit: don't fail when PMU/PRE

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Message-ID: <20181001004122.147276-6-alexander.levin@microsoft.com>
Date:   Mon, 1 Oct 2018 00:41:28 +0000
From:   Sasha Levin <Alexander.Levin@...rosoft.com>
To:     "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Ben Skeggs <bskeggs@...hat.com>,
        Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.4 06/17] drm/nouveau/TBDdevinit: don't fail when
 PMU/PRE_OS is missing from VBIOS

From: Ben Skeggs <bskeggs@...hat.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@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c b/drivers/gpu/drm/nouveau/nvkm/subdev/devinit/gm204.c
index 2b9c3f11b7a8..ba42ed86148a 100644
--- 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 *base, bool post)
 	}
 
 	/* 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
-- 
2.17.1