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dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=amd.com; Received: from BYAPR12MB3560.namprd12.prod.outlook.com (2603:10b6:a03:ae::10) by BYAPR12MB3191.namprd12.prod.outlook.com (2603:10b6:a03:133::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3174.22; Wed, 8 Jul 2020 14:30:57 +0000 Received: from BYAPR12MB3560.namprd12.prod.outlook.com ([fe80::110f:a75f:beb8:96c6]) by BYAPR12MB3560.namprd12.prod.outlook.com ([fe80::110f:a75f:beb8:96c6%7]) with mapi id 15.20.3153.030; Wed, 8 Jul 2020 14:30:57 +0000 Subject: Re: [PATCH] drm/amd/display: add dmcub check on RENOIR To: "Deucher, Alexander" , Aaron Ma , "Wentland, Harry" , "Li, Sun peng (Leo)" , "Koenig, Christian" , "airlied@linux.ie" , "daniel@ffwll.ch" , "amd-gfx@lists.freedesktop.org" , "dri-devel@lists.freedesktop.org" , "linux-kernel@vger.kernel.org" , "mapengyu@gmail.com" References: <20200708081622.3109902-1-aaron.ma@canonical.com> From: "Kazlauskas, Nicholas" Message-ID: <349fe037-2daf-f73a-5e28-725d3953e1a5@amd.com> Date: Wed, 8 Jul 2020 10:30:52 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; 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charset="windows-1252"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Looks good to me. Reviewed-by: Nicholas Kazlauskas Regards, Nicholas Kazlauskas On 2020-07-08 10:15 a.m., Deucher, Alexander wrote: > [AMD Public Use] > = > = > [AMD Public Use] > = > = > Acked-by: Alex Deucher > ------------------------------------------------------------------------ > *From:* Aaron Ma > *Sent:* Wednesday, July 8, 2020 4:16 AM > *To:* Wentland, Harry ; Li, Sun peng (Leo) = > ; Deucher, Alexander ; = > Koenig, Christian ; airlied@linux.ie = > ; daniel@ffwll.ch ; = > amd-gfx@lists.freedesktop.org ; = > dri-devel@lists.freedesktop.org ; = > linux-kernel@vger.kernel.org ; = > mapengyu@gmail.com ; aaron.ma@canonical.com = > > *Subject:* [PATCH] drm/amd/display: add dmcub check on RENOIR > RENOIR loads dmub fw not dmcu, check dmcu only will prevent loading iram, > it breaks backlight control. > = > Bug: = > https://bugzilla.kernel.org/show_bug.cgi?id=3D208277 = > > Signed-off-by: Aaron Ma > --- > =A0drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- > =A01 file changed, 1 insertion(+), 1 deletion(-) > = > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c = > b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index 10ac8076d4f2..db5e0bb0d935 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -1358,7 +1358,7 @@ static int dm_late_init(void *handle) > =A0=A0=A0=A0=A0=A0=A0=A0 struct dmcu *dmcu =3D NULL; > =A0=A0=A0=A0=A0=A0=A0=A0 bool ret; > = > -=A0=A0=A0=A0=A0=A0 if (!adev->dm.fw_dmcu) > +=A0=A0=A0=A0=A0=A0 if (!adev->dm.fw_dmcu && !adev->dm.dmub_fw) > =A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0=A0 return detect_mst_link_= for_all_connectors(adev->ddev); > = > =A0=A0=A0=A0=A0=A0=A0=A0 dmcu =3D adev->dm.dc->res_pool->dmcu; > -- = > 2.25.1 > = > = > _______________________________________________ > dri-devel mailing list > dri-devel@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/dri-devel > = _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel