[PATCH 4/4] drm/amdgpu: enable mmhub clock gating for Arcturus

[Wang, Kevin(Yang)]

Reviewed-by: Kevin Wang <kevin1.wang at amd.com>
________________________________
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> on behalf of Le Ma <le.ma at amd.com>
Sent: Friday, August 9, 2019 7:26 PM
To: amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Cc: Ma, Le <Le.Ma at amd.com>
Subject: [PATCH 4/4] drm/amdgpu: enable mmhub clock gating for Arcturus

Init MC_MGCG/LS flag. Also apply to athub CG.

Change-Id: Ic00cb8e6d69eb75dd32f34f778352cee93063ee0
Signed-off-by: Le Ma <le.ma at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 1 -
 drivers/gpu/drm/amd/amdgpu/soc15.c      | 4 +++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
index e52e4d1..0cf7ef4 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c
@@ -615,7 +615,6 @@ int mmhub_v9_4_set_clockgating(struct amdgpu_device *adev,
         return 0;
 }

-/* TODO: get 2 mmhub instances CG state */
 void mmhub_v9_4_get_clockgating(struct amdgpu_device *adev, u32 *flags)
 {
         int data, data1;
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index aecba1c..235cb5b 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -1126,7 +1126,9 @@ static int soc15_common_early_init(void *handle)
                         AMD_CG_SUPPORT_HDP_MGCG |
                         AMD_CG_SUPPORT_HDP_LS |
                         AMD_CG_SUPPORT_SDMA_MGCG |
-                       AMD_CG_SUPPORT_SDMA_LS;
+                       AMD_CG_SUPPORT_SDMA_LS |
+                       AMD_CG_SUPPORT_MC_MGCG |
+                       AMD_CG_SUPPORT_MC_LS;
                 adev->pg_flags = 0;
                 adev->external_rev_id = adev->rev_id + 0x32;
                 break;
--
2.7.4

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