[PATCH] drm/amdgpu: disable MMHUB power gating on raven

[Deucher, Alexander]

Acked-by: Alex Deucher <alexander.deucher at amd.com>

________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Huang Rui <ray.huang at amd.com>
Sent: Thursday, January 18, 2018 7:26:11 AM
To: Deucher, Alexander; amd-gfx at lists.freedesktop.org
Cc: Huang, Ray
Subject: [PATCH] drm/amdgpu: disable MMHUB power gating on raven

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 at amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/soc15.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index f134ca0..5ccac91 100644
--- 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 *handle)
                         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:
--
2.7.4

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