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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, Huang Rui <ray.huang@amd.com>,
        Hawking Zhang <Hawking.Zhang@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>
Subject: [PATCH 4.15 56/64] drm/amdgpu: disable MMHUB power gating on raven
Date:   Mon, 26 Feb 2018 21:22:33 +0100
Message-Id: <20180226202155.831900463@linuxfoundation.org>
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4.15-stable review patch.  If anyone has any objections, please let me know.

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

From: Huang Rui <ray.huang@amd.com>

commit 400b6afbaa949914460e5fd1d769c5e26ef1f6b8 upstream.

MMHUB power gating still has issue, and doesn't work on raven at current. So
disable it for the moment.

Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/amd/amdgpu/soc15.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -659,8 +659,8 @@ static int soc15_common_early_init(void
 			AMD_CG_SUPPORT_MC_LS |
 			AMD_CG_SUPPORT_SDMA_MGCG |
 			AMD_CG_SUPPORT_SDMA_LS;
-		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
-				 AMD_PG_SUPPORT_MMHUB;
+		adev->pg_flags = AMD_PG_SUPPORT_SDMA;
+
 		adev->external_rev_id = 0x1;
 		break;
 	default: