[PATCH 1/2] drm/amdgpu: fix coding error of mmhub pg enablement

[Zhang, Hawking]

[AMD Public Use]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: Gao, Likun <Likun.Gao at amd.com> 
Sent: Monday, July 6, 2020 18:00
To: amd-gfx at lists.freedesktop.org
Cc: Zhang, Hawking <Hawking.Zhang at amd.com>; Feng, Kenneth <Kenneth.Feng at amd.com>; Gao, Likun <Likun.Gao at amd.com>
Subject: [PATCH 1/2] drm/amdgpu: fix coding error of mmhub pg enablement

From: Likun Gao <Likun.Gao at amd.com>

MMHUB powergating should be disabled on navi12 and enabled on sienna cichlid.

Signed-off-by: Likun Gao <Likun.Gao at amd.com>
Change-Id: I0b0e6801408df3c13322c4f9ed8e13b6ffc9ec25
---
 drivers/gpu/drm/amd/amdgpu/nv.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index 4b87506cb005..356849136d1d 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -707,8 +707,7 @@ static int nv_common_early_init(void *handle)
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG |
-			AMD_PG_SUPPORT_ATHUB |
-			AMD_PG_SUPPORT_MMHUB;
+			AMD_PG_SUPPORT_ATHUB;
 		/* guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0,
 		 * as a consequence, the rev_id and external_rev_id are wrong.
 		 * workaround it by hardcoding rev_id to 0 (default value).
@@ -731,7 +730,8 @@ static int nv_common_early_init(void *handle)
 		adev->pg_flags = AMD_PG_SUPPORT_VCN |
 			AMD_PG_SUPPORT_VCN_DPG |
 			AMD_PG_SUPPORT_JPEG |
-			AMD_PG_SUPPORT_ATHUB;
+			AMD_PG_SUPPORT_ATHUB |
+			AMD_PG_SUPPORT_MMHUB;
 		adev->external_rev_id = adev->rev_id + 0x28;
 		break;
 	default:
--
2.25.1